<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

function acewpcf_register_assets() {
	wp_register_style(
		'acewpcf-filter-style',
		ACEWPCF_PLUGIN_URL . 'assets/css/style.css',
		array(),
		acewpcf_get_asset_version( 'assets/css/style.css' )
	);

	wp_register_script(
		'acewpcf-filter-script',
		ACEWPCF_PLUGIN_URL . 'assets/js/filter.js',
		array(),
		acewpcf_get_asset_version( 'assets/js/filter.js' ),
		true
	);

	wp_register_script(
		'acewpcf-content-search-script',
		ACEWPCF_PLUGIN_URL . 'assets/js/content-search.js',
		array(),
		acewpcf_get_asset_version( 'assets/js/content-search.js' ),
		true
	);
}
add_action( 'wp_enqueue_scripts', 'acewpcf_register_assets' );

function acewpcf_is_elementor_edit_or_preview() {
	if ( '' !== acewpcf_get_request_query_value( 'elementor-preview' ) ) {
		return true;
	}

	if ( 'elementor' === acewpcf_get_request_query_value( 'action' ) ) {
		return true;
	}

	// phpcs:disable WordPress.Security.NonceVerification.Missing -- Elementor editor/preview requests are identified by action name only.
	$post_action = isset( $_POST['action'] ) ? sanitize_key( wp_unslash( (string) $_POST['action'] ) ) : '';
	// phpcs:enable WordPress.Security.NonceVerification.Missing

	if ( in_array( $post_action, array( 'elementor_ajax', 'elementor_render_widget' ), true ) ) {
		return true;
	}

	if ( ! class_exists( '\Elementor\Plugin' ) ) {
		return false;
	}

	$elementor = \Elementor\Plugin::$instance;

	if ( isset( $elementor->preview ) && method_exists( $elementor->preview, 'is_preview_mode' ) && $elementor->preview->is_preview_mode() ) {
		return true;
	}

	if ( isset( $elementor->editor ) && method_exists( $elementor->editor, 'is_edit_mode' ) && $elementor->editor->is_edit_mode() ) {
		return true;
	}

	return false;
}

function acewpcf_late_inline_style_blocks( $style_block = null, $flush = false ) {
	static $blocks = array();

	if ( $flush ) {
		$pending = $blocks;
		$blocks  = array();

		return $pending;
	}

	$style_block = trim( (string) $style_block );

	if ( '' !== $style_block ) {
		$blocks[ md5( $style_block ) ] = $style_block;
	}

	return $blocks;
}

function acewpcf_print_late_styles() {
	if ( ! wp_style_is( 'acewpcf-filter-style', 'done' ) ) {
		if ( ! wp_style_is( 'acewpcf-filter-style', 'registered' ) ) {
			acewpcf_register_assets();
		}

		if ( ! wp_style_is( 'acewpcf-filter-style', 'enqueued' ) ) {
			wp_enqueue_style( 'acewpcf-filter-style' );
		}

		wp_print_styles( array( 'acewpcf-filter-style' ) );
	}

	foreach ( acewpcf_late_inline_style_blocks( null, true ) as $hash => $css ) {
		$handle = 'acewpcf-filter-inline-' . substr( (string) $hash, 0, 12 );

		if ( ! wp_style_is( $handle, 'registered' ) ) {
			wp_register_style( $handle, false, array( 'acewpcf-filter-style' ), ACEWPCF_VERSION );
			wp_add_inline_style( $handle, wp_strip_all_tags( $css ) );
		}

		if ( ! wp_style_is( $handle, 'done' ) ) {
			wp_enqueue_style( $handle );
			wp_print_styles( array( $handle ) );
		}
	}
}

function acewpcf_should_print_filter_styles_immediately() {
	if ( wp_doing_ajax() ) {
		return true;
	}

	if ( did_action( 'wp_head' ) ) {
		return true;
	}

	return acewpcf_is_elementor_edit_or_preview() && did_action( 'admin_head' );
}

function acewpcf_prefix_late_filter_styles( $html ) {
	$html = (string) $html;

	if ( '' === $html || ! acewpcf_should_print_filter_styles_immediately() ) {
		return $html;
	}

	ob_start();
	acewpcf_print_late_styles();

	return ob_get_clean() . $html;
}

function acewpcf_enqueue_assets() {
	static $assets_enqueued = false;

	if ( ! wp_style_is( 'acewpcf-filter-style', 'registered' ) || ! wp_script_is( 'acewpcf-filter-script', 'registered' ) ) {
		acewpcf_register_assets();
	}

	if ( $assets_enqueued ) {
		return;
	}

	$assets_enqueued = true;

	wp_enqueue_style( 'acewpcf-filter-style' );
	wp_enqueue_script( 'acewpcf-filter-script' );
	wp_localize_script(
		'acewpcf-filter-script',
		'acewpcfFilterI18n',
		array(
			'noResultsMessage' => __( 'No results were found matching your selection.', 'ace-content-filters' ),
		)
	);
}

function acewpcf_enqueue_google_font_stylesheet( $styles, $style_keys ) {
	static $loaded_urls = array();

	if ( ! acewpcf_google_fonts_are_enabled() ) {
		return;
	}

	$styles     = is_array( $styles ) ? $styles : array();
	$style_keys = is_array( $style_keys ) ? $style_keys : array();
	$families = array();

	foreach ( $style_keys as $style_key ) {
		if ( empty( $styles[ $style_key ] ) ) {
			continue;
		}

		$family = acewpcf_get_google_font_family_name( $styles[ $style_key ] );

		if ( '' !== $family ) {
			$families[] = $family;
		}
	}

	$url = acewpcf_get_google_fonts_url( $families );

	if ( '' === $url || isset( $loaded_urls[ $url ] ) ) {
		return;
	}

	$loaded_urls[ $url ] = true;
	$handle             = 'cpcf-fonts-' . substr( md5( $url ), 0, 12 );

	wp_enqueue_style(
		$handle,
		$url,
		array(),
		substr( md5( $url ), 0, 12 )
	);

	if ( did_action( 'wp_head' ) ) {
		add_action(
			'wp_footer',
			static function () use ( $handle ) {
				if ( ! wp_style_is( $handle, 'done' ) ) {
					wp_print_styles( array( $handle ) );
				}
			},
			1
		);
	}
}

function acewpcf_enqueue_filter_font_stylesheet( $filter ) {
	$styles = isset( $filter['styles'] ) && is_array( $filter['styles'] ) ? $filter['styles'] : array();

	acewpcf_enqueue_google_font_stylesheet(
		$styles,
		array( 'label_font_family', 'panel_heading_font_family', 'count_font_family', 'button_font_family', 'term_search_font_family' )
	);
}

function acewpcf_enqueue_panel_font_stylesheet( $panel ) {
	$styles = isset( $panel['styles'] ) && is_array( $panel['styles'] ) ? $panel['styles'] : array();

	acewpcf_enqueue_google_font_stylesheet(
		$styles,
		array( 'mobile_toggle_font_family', 'group_header_font_family' )
	);
}


function acewpcf_enqueue_inline_style_block( $style_block ) {
	static $enqueued_blocks = array();

	$style_block = trim( (string) $style_block );

	if ( '' === $style_block ) {
		return;
	}

	acewpcf_enqueue_assets();

	$style_hash = md5( $style_block );

	if ( isset( $enqueued_blocks[ $style_hash ] ) ) {
		return;
	}

	$enqueued_blocks[ $style_hash ] = true;

	if ( wp_style_is( 'acewpcf-filter-style', 'done' ) ) {
		acewpcf_late_inline_style_blocks( $style_block );
		return;
	}

	wp_add_inline_style( 'acewpcf-filter-style', $style_block );
}

function acewpcf_build_css_rule( $selector, $declarations ) {
	if ( empty( $declarations ) ) {
		return '';
	}

	return $selector . '{' . implode( ';', $declarations ) . ';}';
	}

function acewpcf_style_value_is_set( $value ) {
	return '' !== trim( (string) $value );
}

function acewpcf_append_panel_button_style_rules( &$rules, $scope, $selector, $hover_selector, $styles, $prefix ) {
	$styles             = is_array( $styles ) ? $styles : array();
	$base_declarations  = array();
	$hover_declarations = array();
	$base_declarations[] = 'font-style:normal';

	if ( ! empty( $styles[ $prefix . '_text_color' ] ) ) {
		$base_declarations[] = 'color:' . $styles[ $prefix . '_text_color' ];
	}

	if ( ! empty( $styles[ $prefix . '_background_color' ] ) ) {
		$base_declarations[] = 'background:' . $styles[ $prefix . '_background_color' ];
	}

	if ( ! empty( $styles[ $prefix . '_border_color' ] ) ) {
		$base_declarations[] = 'border-color:' . $styles[ $prefix . '_border_color' ];
	}

	if ( isset( $styles[ $prefix . '_border_width' ] ) && acewpcf_style_value_is_set( $styles[ $prefix . '_border_width' ] ) ) {
		$base_declarations[] = 'border-width:' . absint( $styles[ $prefix . '_border_width' ] ) . 'px';
	}

	if ( isset( $styles[ $prefix . '_padding_y' ] ) && acewpcf_style_value_is_set( $styles[ $prefix . '_padding_y' ] ) ) {
		$base_declarations[] = 'padding-top:' . absint( $styles[ $prefix . '_padding_y' ] ) . 'px';
		$base_declarations[] = 'padding-bottom:' . absint( $styles[ $prefix . '_padding_y' ] ) . 'px';
	}

	if ( isset( $styles[ $prefix . '_padding_x' ] ) && acewpcf_style_value_is_set( $styles[ $prefix . '_padding_x' ] ) ) {
		$base_declarations[] = 'padding-left:' . absint( $styles[ $prefix . '_padding_x' ] ) . 'px';
		$base_declarations[] = 'padding-right:' . absint( $styles[ $prefix . '_padding_x' ] ) . 'px';
	}

	if ( isset( $styles[ $prefix . '_border_radius' ] ) && acewpcf_style_value_is_set( $styles[ $prefix . '_border_radius' ] ) ) {
		$base_declarations[] = 'border-radius:' . absint( $styles[ $prefix . '_border_radius' ] ) . 'px';
	}

	acewpcf_append_typography_declarations( $base_declarations, $styles, $prefix );

	$base_rule = acewpcf_build_css_rule( $scope . ' ' . $selector, $base_declarations );

	if ( '' !== $base_rule ) {
		$rules[] = $base_rule;
	}

	if ( ! empty( $styles[ $prefix . '_hover_text_color' ] ) ) {
		$hover_declarations[] = 'color:' . $styles[ $prefix . '_hover_text_color' ];
	}

	if ( ! empty( $styles[ $prefix . '_hover_background_color' ] ) ) {
		$hover_declarations[] = 'background:' . $styles[ $prefix . '_hover_background_color' ];
	}

	if ( ! empty( $styles[ $prefix . '_hover_border_color' ] ) ) {
		$hover_declarations[] = 'border-color:' . $styles[ $prefix . '_hover_border_color' ];
	}

	$hover_rule = acewpcf_build_css_rule( $scope . ' ' . $hover_selector, $hover_declarations );

	if ( '' !== $hover_rule ) {
		$rules[] = $hover_rule;
	}
}

function acewpcf_append_typography_declarations( &$declarations, $styles, $prefix ) {
	$font_family = isset( $styles[ $prefix . '_font_family' ] ) ? acewpcf_get_font_family_css_value( $styles[ $prefix . '_font_family' ] ) : '';
	$font_weight = isset( $styles[ $prefix . '_font_weight' ] ) ? trim( (string) $styles[ $prefix . '_font_weight' ] ) : '';
	$font_size   = isset( $styles[ $prefix . '_font_size' ] ) ? trim( (string) $styles[ $prefix . '_font_size' ] ) : '';
	$letter_spacing = isset( $styles[ $prefix . '_letter_spacing' ] ) ? trim( (string) $styles[ $prefix . '_letter_spacing' ] ) : '';
	$text_transform = isset( $styles[ $prefix . '_text_transform' ] ) ? trim( (string) $styles[ $prefix . '_text_transform' ] ) : '';

	if ( '' !== $font_family ) {
		$declarations[] = 'font-family:' . $font_family;
	}

	if ( '' !== $font_weight ) {
		$declarations[] = 'font-weight:' . $font_weight;
	}

	if ( '' !== $font_size ) {
		$declarations[] = 'font-size:' . $font_size . 'px';
	}

	if ( '' !== $letter_spacing ) {
		$declarations[] = 'letter-spacing:' . $letter_spacing . 'px';
	}

	if ( '' !== $text_transform ) {
		$declarations[] = 'text-transform:' . $text_transform;
	}
}

function acewpcf_get_filter_responsive_style_block( $filter ) {
	$styles           = isset( $filter['styles'] ) && is_array( $filter['styles'] ) ? $filter['styles'] : array();
	$responsive       = isset( $styles['responsive'] ) && is_array( $styles['responsive'] ) ? $styles['responsive'] : array();
	$scope            = '.cpcf-filter--' . sanitize_html_class( $filter['id'] );
	$responsive_rules = array();

	foreach ( acewpcf_get_responsive_style_modes() as $mode_key => $mode ) {
		$mode_styles = isset( $responsive[ $mode_key ] ) && is_array( $responsive[ $mode_key ] ) ? $responsive[ $mode_key ] : array();
		$mode_rules  = array();

		$container_declarations = array();

		if ( isset( $mode_styles['gap'] ) && acewpcf_style_value_is_set( $mode_styles['gap'] ) ) {
			$container_declarations[] = 'gap:' . absint( $mode_styles['gap'] ) . 'px';
		}

		$container_rule = acewpcf_build_css_rule( $scope, $container_declarations );

		if ( '' !== $container_rule ) {
			$mode_rules[] = $container_rule;
		}

		$button_declarations = array();

		if ( isset( $mode_styles['button_padding_y'] ) && acewpcf_style_value_is_set( $mode_styles['button_padding_y'] ) ) {
			$button_declarations[] = 'padding-top:' . absint( $mode_styles['button_padding_y'] ) . 'px';
			$button_declarations[] = 'padding-bottom:' . absint( $mode_styles['button_padding_y'] ) . 'px';
		}

		if ( isset( $mode_styles['button_padding_x'] ) && acewpcf_style_value_is_set( $mode_styles['button_padding_x'] ) ) {
			$button_declarations[] = 'padding-left:' . absint( $mode_styles['button_padding_x'] ) . 'px';
			$button_declarations[] = 'padding-right:' . absint( $mode_styles['button_padding_x'] ) . 'px';
		}

		$button_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__button, ' . $scope . ' .cpcf-filter__mobile-toggle', $button_declarations );

		if ( '' !== $button_rule ) {
			$mode_rules[] = $button_rule;
		}

		$label_declarations = array();

		if ( isset( $mode_styles['label_font_size'] ) && acewpcf_style_value_is_set( $mode_styles['label_font_size'] ) ) {
			$label_declarations[] = 'font-size:' . absint( $mode_styles['label_font_size'] ) . 'px';
		}

		$label_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__label', $label_declarations );

		if ( '' !== $label_rule ) {
			$mode_rules[] = $label_rule;
		}

		$panel_heading_declarations = array();

		if ( isset( $mode_styles['panel_heading_font_size'] ) && acewpcf_style_value_is_set( $mode_styles['panel_heading_font_size'] ) ) {
			$panel_heading_declarations[] = 'font-size:' . absint( $mode_styles['panel_heading_font_size'] ) . 'px';
		} elseif ( isset( $mode_styles['label_font_size'] ) && acewpcf_style_value_is_set( $mode_styles['label_font_size'] ) ) {
			$panel_heading_declarations[] = 'font-size:' . absint( $mode_styles['label_font_size'] ) . 'px';
		}

		$panel_heading_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__panel-heading', $panel_heading_declarations );

		if ( '' !== $panel_heading_rule ) {
			$mode_rules[] = $panel_heading_rule;
		}

		$count_declarations = array();

		if ( isset( $mode_styles['count_font_size'] ) && acewpcf_style_value_is_set( $mode_styles['count_font_size'] ) ) {
			$count_declarations[] = 'font-size:' . absint( $mode_styles['count_font_size'] ) . 'px';
		}

		$count_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__count', $count_declarations );

		if ( '' !== $count_rule ) {
			$mode_rules[] = $count_rule;
		}

		if ( empty( $mode_rules ) ) {
			continue;
		}

		$responsive_rules[] = '@media (max-width: ' . absint( $mode['max_width'] ) . 'px){' . implode( '', $mode_rules ) . '}';
	}

	return implode( "\n", $responsive_rules );
}

function acewpcf_get_filter_style_block( $filter ) {
	$styles = isset( $filter['styles'] ) && is_array( $filter['styles'] ) ? $filter['styles'] : array();
	$scope  = '.cpcf-filter--' . sanitize_html_class( $filter['id'] );
	$rules  = array();
	$container_declarations = array();

	if ( isset( $styles['gap'] ) && acewpcf_style_value_is_set( $styles['gap'] ) ) {
		$container_declarations[] = 'gap:' . absint( $styles['gap'] ) . 'px';
	}

	$button_declarations = array();

	if ( ! empty( $styles['label_color'] ) ) {
		$button_declarations[] = 'color:' . $styles['label_color'];
	} elseif ( ! empty( $styles['count_color'] ) ) {
		$button_declarations[] = 'color:' . $styles['count_color'];
	}

	if ( ! empty( $styles['button_background_color'] ) ) {
		$button_declarations[] = 'background:' . $styles['button_background_color'];
	}

	if ( ! empty( $styles['button_border_color'] ) ) {
		$button_declarations[] = 'border-color:' . $styles['button_border_color'];
	}

	if ( isset( $styles['button_border_width'] ) && acewpcf_style_value_is_set( $styles['button_border_width'] ) ) {
		$button_declarations[] = 'border-width:' . absint( $styles['button_border_width'] ) . 'px';
	}

	if ( isset( $styles['checkbox_size'] ) && acewpcf_style_value_is_set( $styles['checkbox_size'] ) ) {
		$container_declarations[] = '--cpcf-checkbox-size:' . absint( $styles['checkbox_size'] ) . 'px';
	}

	if ( isset( $styles['checkbox_border_width'] ) && acewpcf_style_value_is_set( $styles['checkbox_border_width'] ) ) {
		$container_declarations[] = '--cpcf-checkbox-border-width:' . absint( $styles['checkbox_border_width'] ) . 'px';
	}

	if ( isset( $styles['checkbox_border_radius'] ) && acewpcf_style_value_is_set( $styles['checkbox_border_radius'] ) ) {
		$container_declarations[] = '--cpcf-checkbox-radius:' . absint( $styles['checkbox_border_radius'] ) . 'px';
	}

	$container_rule = acewpcf_build_css_rule( $scope, $container_declarations );

	if ( '' !== $container_rule ) {
		$rules[] = $container_rule;
	}

	if ( isset( $styles['border_radius'] ) && acewpcf_style_value_is_set( $styles['border_radius'] ) ) {
		$button_declarations[] = 'border-radius:' . absint( $styles['border_radius'] ) . 'px';
	}

	if ( isset( $styles['button_padding_y'] ) && acewpcf_style_value_is_set( $styles['button_padding_y'] ) ) {
		$button_declarations[] = 'padding-top:' . absint( $styles['button_padding_y'] ) . 'px';
		$button_declarations[] = 'padding-bottom:' . absint( $styles['button_padding_y'] ) . 'px';
	}

	if ( isset( $styles['button_padding_x'] ) && acewpcf_style_value_is_set( $styles['button_padding_x'] ) ) {
		$button_declarations[] = 'padding-left:' . absint( $styles['button_padding_x'] ) . 'px';
		$button_declarations[] = 'padding-right:' . absint( $styles['button_padding_x'] ) . 'px';
	}

	$button_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__button, ' . $scope . ' .cpcf-filter__mobile-toggle', $button_declarations );

	if ( '' !== $button_rule ) {
		$rules[] = $button_rule;
	}

	$active_declarations = array();

	if ( ! empty( $styles['active_text_color'] ) ) {
		$active_declarations[] = 'color:' . $styles['active_text_color'];
	}

	if ( ! empty( $styles['active_background_color'] ) ) {
		$active_declarations[] = 'background:' . $styles['active_background_color'];
	}

	if ( ! empty( $styles['active_border_color'] ) ) {
		$active_declarations[] = 'border-color:' . $styles['active_border_color'];
	}

	$active_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__button.is-active, ' . $scope . ' .cpcf-filter__choice.is-active .cpcf-filter__button, ' . $scope . ' .cpcf-filter__mobile-toggle.is-selected', $active_declarations );

	if ( '' !== $active_rule ) {
		$rules[] = $active_rule;
	}

	if ( ! empty( $styles['active_text_color'] ) ) {
		$active_text_rule = acewpcf_build_css_rule(
			$scope . ' .cpcf-filter__button.is-active .cpcf-filter__label, ' . $scope . ' .cpcf-filter__button.is-active .cpcf-filter__count, ' . $scope . ' .cpcf-filter__choice.is-active .cpcf-filter__label, ' . $scope . ' .cpcf-filter__choice.is-active .cpcf-filter__count, ' . $scope . ' .cpcf-filter__mobile-toggle.is-selected .cpcf-filter__label, ' . $scope . ' .cpcf-filter__mobile-toggle.is-selected .cpcf-filter__count',
			array( 'color:' . $styles['active_text_color'] )
		);

		if ( '' !== $active_text_rule ) {
			$rules[] = $active_text_rule;
		}
	}

	$hover_declarations = array();

	if ( ! empty( $styles['button_hover_text_color'] ) ) {
		$hover_declarations[] = 'color:' . $styles['button_hover_text_color'];
	}

	if ( ! empty( $styles['button_hover_background_color'] ) ) {
		$hover_declarations[] = 'background:' . $styles['button_hover_background_color'];
	}

	if ( ! empty( $styles['button_hover_border_color'] ) ) {
		$hover_declarations[] = 'border-color:' . $styles['button_hover_border_color'];
	}

	$hover_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__button:not(.is-active):hover, ' . $scope . ' .cpcf-filter__choice:not(.is-active):hover .cpcf-filter__button, ' . $scope . ' .cpcf-filter__mobile-toggle:not(.is-selected):hover', $hover_declarations );

	if ( '' !== $hover_rule ) {
		$rules[] = $hover_rule;
	}

	if ( ! empty( $styles['button_hover_text_color'] ) ) {
		$hover_text_rule = acewpcf_build_css_rule(
			$scope . ' .cpcf-filter__button:not(.is-active):hover .cpcf-filter__label, ' . $scope . ' .cpcf-filter__button:not(.is-active):hover .cpcf-filter__count, ' . $scope . ' .cpcf-filter__choice:not(.is-active):hover .cpcf-filter__label, ' . $scope . ' .cpcf-filter__choice:not(.is-active):hover .cpcf-filter__count, ' . $scope . ' .cpcf-filter__mobile-toggle:not(.is-selected):hover .cpcf-filter__label, ' . $scope . ' .cpcf-filter__mobile-toggle:not(.is-selected):hover .cpcf-filter__count',
			array( 'color:' . $styles['button_hover_text_color'] )
		);

		if ( '' !== $hover_text_rule ) {
			$rules[] = $hover_text_rule;
		}
	}

	$label_declarations = array();

	if ( ! empty( $styles['label_color'] ) ) {
		$label_declarations[] = 'color:' . $styles['label_color'];
	}

	acewpcf_append_typography_declarations( $label_declarations, $styles, 'label' );

	$label_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__label', $label_declarations );

	if ( '' !== $label_rule ) {
		$rules[] = $label_rule;
	}

	$panel_heading_declarations = array();
	$panel_heading_styles       = array(
		'panel_heading_font_family'    => ! empty( $styles['panel_heading_font_family'] ) ? $styles['panel_heading_font_family'] : ( isset( $styles['label_font_family'] ) ? $styles['label_font_family'] : '' ),
		'panel_heading_font_weight'    => ! empty( $styles['panel_heading_font_weight'] ) ? $styles['panel_heading_font_weight'] : ( isset( $styles['label_font_weight'] ) ? $styles['label_font_weight'] : '' ),
		'panel_heading_font_size'      => ( isset( $styles['panel_heading_font_size'] ) && acewpcf_style_value_is_set( $styles['panel_heading_font_size'] ) ) ? $styles['panel_heading_font_size'] : ( isset( $styles['label_font_size'] ) ? $styles['label_font_size'] : '' ),
		'panel_heading_letter_spacing' => ! empty( $styles['panel_heading_letter_spacing'] ) ? $styles['panel_heading_letter_spacing'] : ( isset( $styles['label_letter_spacing'] ) ? $styles['label_letter_spacing'] : '' ),
		'panel_heading_text_transform' => ! empty( $styles['panel_heading_text_transform'] ) ? $styles['panel_heading_text_transform'] : ( isset( $styles['label_text_transform'] ) ? $styles['label_text_transform'] : '' ),
	);

	if ( ! empty( $styles['panel_heading_color'] ) ) {
		$panel_heading_declarations[] = 'color:' . $styles['panel_heading_color'];
	} elseif ( ! empty( $styles['label_color'] ) ) {
		$panel_heading_declarations[] = 'color:' . $styles['label_color'];
	}

	acewpcf_append_typography_declarations( $panel_heading_declarations, $panel_heading_styles, 'panel_heading' );

	$panel_heading_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__panel-heading', $panel_heading_declarations );

	if ( '' !== $panel_heading_rule ) {
		$rules[] = $panel_heading_rule;
	}

	$panel_toggle_declarations = array();

	if ( ! empty( $styles['panel_toggle_icon_color'] ) ) {
		$panel_toggle_declarations[] = 'color:' . $styles['panel_toggle_icon_color'];
	} elseif ( ! empty( $styles['panel_heading_color'] ) ) {
		$panel_toggle_declarations[] = 'color:' . $styles['panel_heading_color'];
	}

	if ( isset( $styles['panel_toggle_icon_size'] ) && acewpcf_style_value_is_set( $styles['panel_toggle_icon_size'] ) ) {
		$panel_toggle_declarations[] = '--cpcf-panel-toggle-size:' . absint( $styles['panel_toggle_icon_size'] ) . 'px';
	}

	if ( ! empty( $styles['panel_toggle_hover_icon_color'] ) ) {
		$panel_toggle_declarations[] = '--cpcf-panel-toggle-hover-color:' . $styles['panel_toggle_hover_icon_color'];
	}

	if ( ! empty( $styles['panel_toggle_hover_background_color'] ) ) {
		$panel_toggle_declarations[] = '--cpcf-panel-toggle-hover-background:' . $styles['panel_toggle_hover_background_color'];
	}

	if ( ! empty( $styles['panel_toggle_active_icon_color'] ) ) {
		$panel_toggle_declarations[] = '--cpcf-panel-toggle-active-color:' . $styles['panel_toggle_active_icon_color'];
	}

	if ( ! empty( $styles['panel_toggle_active_background_color'] ) ) {
		$panel_toggle_declarations[] = '--cpcf-panel-toggle-active-background:' . $styles['panel_toggle_active_background_color'];
	}

	$panel_toggle_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__panel-toggle', $panel_toggle_declarations );

	if ( '' !== $panel_toggle_rule ) {
		$rules[] = $panel_toggle_rule;
	}

	$count_declarations = array();

	if ( ! empty( $styles['count_color'] ) ) {
		$count_declarations[] = 'color:' . $styles['count_color'];
	}

	acewpcf_append_typography_declarations( $count_declarations, $styles, 'count' );

	$count_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__count', $count_declarations );

	if ( '' !== $count_rule ) {
		$rules[] = $count_rule;
	}

	if ( acewpcf_filter_uses_terms( $filter ) ) {
		$term_search_declarations = array();
		$term_search_placeholder_declarations = array();
		$term_search_focus_declarations = array();

		if ( ! empty( $styles['term_search_text_color'] ) ) {
			$term_search_declarations[] = 'color:' . $styles['term_search_text_color'];
		}

		if ( ! empty( $styles['term_search_background_color'] ) ) {
			$term_search_declarations[] = 'background:' . $styles['term_search_background_color'];
		}

		if ( ! empty( $styles['term_search_border_color'] ) ) {
			$term_search_declarations[] = 'border-color:' . $styles['term_search_border_color'];
		}

		if ( isset( $styles['term_search_border_width'] ) && acewpcf_style_value_is_set( $styles['term_search_border_width'] ) ) {
			$term_search_declarations[] = 'border-width:' . absint( $styles['term_search_border_width'] ) . 'px';
		}

		if ( isset( $styles['term_search_border_radius'] ) && acewpcf_style_value_is_set( $styles['term_search_border_radius'] ) ) {
			$term_search_declarations[] = 'border-radius:' . absint( $styles['term_search_border_radius'] ) . 'px';
		}

		if ( isset( $styles['term_search_padding_y'] ) && acewpcf_style_value_is_set( $styles['term_search_padding_y'] ) ) {
			$term_search_declarations[] = 'padding-top:' . absint( $styles['term_search_padding_y'] ) . 'px';
			$term_search_declarations[] = 'padding-bottom:' . absint( $styles['term_search_padding_y'] ) . 'px';
		}

		if ( isset( $styles['term_search_padding_x'] ) && acewpcf_style_value_is_set( $styles['term_search_padding_x'] ) ) {
			$term_search_declarations[] = 'padding-left:' . absint( $styles['term_search_padding_x'] ) . 'px';
			$term_search_declarations[] = 'padding-right:' . absint( $styles['term_search_padding_x'] ) . 'px';
		}

		acewpcf_append_typography_declarations( $term_search_declarations, $styles, 'term_search' );

		$term_search_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter__term-search-input', $term_search_declarations );

		if ( '' !== $term_search_rule ) {
			$rules[] = $term_search_rule;
		}

		if ( ! empty( $styles['term_search_text_color'] ) ) {
			$term_search_clear_rule = acewpcf_build_css_rule(
				$scope . ' .cpcf-filter__term-search-clear',
				array(
					'color:' . $styles['term_search_text_color'] . ' !important',
					'opacity:0.7',
				)
			);

			if ( '' !== $term_search_clear_rule ) {
				$rules[] = $term_search_clear_rule;
			}

			$term_search_clear_hover_rule = acewpcf_build_css_rule(
				$scope . ' .cpcf-filter__term-search-clear:hover, ' . $scope . ' .cpcf-filter__term-search-clear:focus',
				array(
					'color:' . $styles['term_search_text_color'] . ' !important',
					'opacity:1',
				)
			);

			if ( '' !== $term_search_clear_hover_rule ) {
				$rules[] = $term_search_clear_hover_rule;
			}
		}

		if ( ! empty( $styles['term_search_placeholder_color'] ) ) {
			$term_search_placeholder_declarations[] = 'color:' . $styles['term_search_placeholder_color'];
			$term_search_placeholder_rule           = acewpcf_build_css_rule(
				$scope . ' .cpcf-filter__term-search-input::placeholder, ' . $scope . ' .cpcf-filter__term-search-input::-webkit-input-placeholder',
				$term_search_placeholder_declarations
			);

			if ( '' !== $term_search_placeholder_rule ) {
				$rules[] = $term_search_placeholder_rule;
			}
		}

		if ( ! empty( $styles['term_search_focus_border_color'] ) ) {
			$term_search_focus_declarations[] = 'border-color:' . $styles['term_search_focus_border_color'];
			$term_search_focus_rule           = acewpcf_build_css_rule( $scope . ' .cpcf-filter__term-search-input:focus', $term_search_focus_declarations );

			if ( '' !== $term_search_focus_rule ) {
				$rules[] = $term_search_focus_rule;
			}
		}

		if ( isset( $styles['term_search_list_max_height'] ) && acewpcf_style_value_is_set( $styles['term_search_list_max_height'] ) ) {
			$list_max_height = absint( $styles['term_search_list_max_height'] );
			$term_search_list_rule = acewpcf_build_css_rule(
				$scope,
				array( '--cpcf-term-search-list-max-height:' . ( $list_max_height > 0 ? $list_max_height . 'px' : 'none' ) )
			);

			if ( '' !== $term_search_list_rule ) {
				$rules[] = $term_search_list_rule;
			}
		}
	}

	if ( acewpcf_filter_uses_swatches( $filter ) ) {
		$swatch_declarations = array(
			'min-height:0',
			'width:auto',
			'padding:4px',
			'background:transparent',
			'border-color:transparent',
			'box-shadow:none',
		);

		if ( isset( $styles['swatch_size'] ) && acewpcf_style_value_is_set( $styles['swatch_size'] ) ) {
			$swatch_declarations[] = '--cpcf-swatch-size:' . absint( $styles['swatch_size'] ) . 'px';
		}

		$swatch_area_declarations = array();

		if ( ! empty( $styles['swatch_background_color'] ) ) {
			$swatch_area_declarations[] = '--cpcf-swatch-area-background:' . $styles['swatch_background_color'];
			$swatch_area_declarations[] = 'background:' . $styles['swatch_background_color'];
			$swatch_area_declarations[] = 'padding:10px';

			if ( isset( $styles['border_radius'] ) && acewpcf_style_value_is_set( $styles['border_radius'] ) ) {
				$swatch_area_declarations[] = 'border-radius:' . absint( $styles['border_radius'] ) . 'px';
			}
		}

		$swatch_area_rule = acewpcf_build_css_rule(
			$scope . '.cpcf-filter--swatches .cpcf-filter__panel-body',
			$swatch_area_declarations
		);

		if ( '' !== $swatch_area_rule ) {
			$rules[] = $swatch_area_rule;
		}

		$swatch_button_rule = acewpcf_build_css_rule(
			$scope . '.cpcf-filter--swatches .cpcf-filter__button, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice .cpcf-filter__button',
			$swatch_declarations
		);

		if ( '' !== $swatch_button_rule ) {
			$rules[] = $swatch_button_rule;
		}

		$swatch_active_color = '';

		if ( ! empty( $styles['active_border_color'] ) ) {
			$swatch_active_color = $styles['active_border_color'];
		} elseif ( ! empty( $styles['active_background_color'] ) ) {
			$swatch_active_color = $styles['active_background_color'];
		} elseif ( ! empty( $styles['button_border_color'] ) ) {
			$swatch_active_color = $styles['button_border_color'];
		}

		$swatch_text_color = '';

		if ( ! empty( $styles['label_color'] ) ) {
			$swatch_text_color = $styles['label_color'];
		} elseif ( ! empty( $styles['button_text_color'] ) ) {
			$swatch_text_color = $styles['button_text_color'];
		}

		$swatch_reset_declarations = array(
			'background:transparent',
			'border-color:transparent',
			'box-shadow:none',
		);

		if ( '' !== $swatch_text_color ) {
			$swatch_reset_declarations[] = 'color:' . $swatch_text_color;
		}

		$swatch_reset_rule = acewpcf_build_css_rule(
			$scope . '.cpcf-filter--swatches .cpcf-filter__button.is-active, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice.is-active .cpcf-filter__button, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__checkbox:checked + .cpcf-filter__button, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__button:not(.is-active):hover, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice:not(.is-active):hover .cpcf-filter__button',
			$swatch_reset_declarations
		);

		if ( '' !== $swatch_reset_rule ) {
			$rules[] = $swatch_reset_rule;
		}

		if ( '' !== $swatch_text_color ) {
			$swatch_label_rule = acewpcf_build_css_rule(
				$scope . '.cpcf-filter--swatches .cpcf-filter__button.is-active .cpcf-filter__label, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__button.is-active .cpcf-filter__count, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice.is-active .cpcf-filter__label, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice.is-active .cpcf-filter__count',
				array( 'color:' . $swatch_text_color )
			);

			if ( '' !== $swatch_label_rule ) {
				$rules[] = $swatch_label_rule;
			}
		}

		if ( '' !== $swatch_active_color ) {
			$swatch_ring_gap = ! empty( $styles['swatch_background_color'] ) ? $styles['swatch_background_color'] : '#ffffff';
			$swatch_ring_rule = acewpcf_build_css_rule(
				$scope . '.cpcf-filter--swatches .cpcf-filter__button.is-active .cpcf-filter__swatch, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__choice.is-active .cpcf-filter__swatch, ' . $scope . '.cpcf-filter--swatches .cpcf-filter__checkbox:checked + .cpcf-filter__button .cpcf-filter__swatch',
				array( 'box-shadow:0 0 0 2px ' . $swatch_ring_gap . ', 0 0 0 4px ' . $swatch_active_color . ', inset 0 0 0 1px rgba(16, 24, 40, 0.16)' )
			);

			if ( '' !== $swatch_ring_rule ) {
				$rules[] = $swatch_ring_rule;
			}
		}
	}

	$responsive_rule_block = acewpcf_get_filter_responsive_style_block( $filter );

	if ( '' !== $responsive_rule_block ) {
		$rules[] = $responsive_rule_block;
	}

	return implode( "\n", $rules );
	}

function acewpcf_get_filter_panel_style_block( $panel ) {
	$styles = isset( $panel['styles'] ) && is_array( $panel['styles'] ) ? $panel['styles'] : array();
	$scope  = '.cpcf-filter-panel--' . sanitize_html_class( $panel['id'] );
	$rules  = array();

	if ( empty( $styles ) ) {
		return '';
	}

	$button_declarations = array();

	if ( ! empty( $styles['clear_all_text_color'] ) ) {
		$button_declarations[] = 'color:' . $styles['clear_all_text_color'];
	}

	if ( ! empty( $styles['clear_all_background_color'] ) ) {
		$button_declarations[] = 'background:' . $styles['clear_all_background_color'];
	}

	if ( ! empty( $styles['clear_all_border_color'] ) ) {
		$button_declarations[] = 'border-color:' . $styles['clear_all_border_color'];
	}

	$panel_declarations = array();

	if ( ! empty( $styles['separator_color'] ) ) {
		$panel_declarations[] = '--cpcf-panel-separator-color:' . $styles['separator_color'];
	}

	if ( isset( $styles['separator_width'] ) && acewpcf_style_value_is_set( $styles['separator_width'] ) ) {
		$panel_declarations[] = '--cpcf-panel-separator-width:' . absint( $styles['separator_width'] ) . 'px';
	}

	if ( isset( $styles['separator_spacing'] ) && acewpcf_style_value_is_set( $styles['separator_spacing'] ) ) {
		$panel_declarations[] = '--cpcf-panel-separator-spacing:' . absint( $styles['separator_spacing'] ) . 'px';
	}

	if ( ! empty( $styles['group_header_color'] ) ) {
		$panel_declarations[] = '--cpcf-group-header-color:' . $styles['group_header_color'];
	}

	if ( isset( $styles['group_header_font_size'] ) && acewpcf_style_value_is_set( $styles['group_header_font_size'] ) ) {
		$panel_declarations[] = '--cpcf-group-header-font-size:' . absint( $styles['group_header_font_size'] ) . 'px';
	}

	if ( isset( $styles['group_header_letter_spacing'] ) && acewpcf_style_value_is_set( $styles['group_header_letter_spacing'] ) ) {
		$panel_declarations[] = '--cpcf-group-header-letter-spacing:' . $styles['group_header_letter_spacing'] . 'px';
	}

	// Safe fallback colors for mobile toggle to prevent transient theme colors on first render.
	$panel_declarations[] = '--cpcf-mobile-toggle-fallback-text-color:' . ( ! empty( $styles['mobile_toggle_text_color'] ) ? sanitize_hex_color( $styles['mobile_toggle_text_color'] ) : '#ffffff' );
	$panel_declarations[] = '--cpcf-mobile-toggle-fallback-background-color:' . ( ! empty( $styles['mobile_toggle_background_color'] ) ? sanitize_hex_color( $styles['mobile_toggle_background_color'] ) : '#1d2327' );
	$panel_declarations[] = '--cpcf-mobile-toggle-fallback-border-color:' . ( ! empty( $styles['mobile_toggle_border_color'] ) ? sanitize_hex_color( $styles['mobile_toggle_border_color'] ) : '#1d2327' );

	$panel_rule = acewpcf_build_css_rule( $scope, $panel_declarations );

	if ( '' !== $panel_rule ) {
		$rules[] = $panel_rule;
	}

	if ( isset( $styles['clear_all_font_size'] ) && acewpcf_style_value_is_set( $styles['clear_all_font_size'] ) ) {
		$button_declarations[] = 'font-size:' . absint( $styles['clear_all_font_size'] ) . 'px';
	}

	if ( isset( $styles['clear_all_padding_y'] ) && acewpcf_style_value_is_set( $styles['clear_all_padding_y'] ) ) {
		$button_declarations[] = 'padding-top:' . absint( $styles['clear_all_padding_y'] ) . 'px';
		$button_declarations[] = 'padding-bottom:' . absint( $styles['clear_all_padding_y'] ) . 'px';
	}

	if ( isset( $styles['clear_all_padding_x'] ) && acewpcf_style_value_is_set( $styles['clear_all_padding_x'] ) ) {
		$button_declarations[] = 'padding-left:' . absint( $styles['clear_all_padding_x'] ) . 'px';
		$button_declarations[] = 'padding-right:' . absint( $styles['clear_all_padding_x'] ) . 'px';
	}

	if ( isset( $styles['clear_all_border_radius'] ) && acewpcf_style_value_is_set( $styles['clear_all_border_radius'] ) ) {
		$button_declarations[] = 'border-radius:' . absint( $styles['clear_all_border_radius'] ) . 'px';
	}

	$button_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter-panel__clear', $button_declarations );

	if ( '' !== $button_rule ) {
		$rules[] = $button_rule;
	}

	$hover_declarations = array();

	if ( ! empty( $styles['clear_all_hover_text_color'] ) ) {
		$hover_declarations[] = 'color:' . $styles['clear_all_hover_text_color'];
	}

	if ( ! empty( $styles['clear_all_hover_background_color'] ) ) {
		$hover_declarations[] = 'background:' . $styles['clear_all_hover_background_color'];
	}

	if ( ! empty( $styles['clear_all_hover_border_color'] ) ) {
		$hover_declarations[] = 'border-color:' . $styles['clear_all_hover_border_color'];
	}

	$hover_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter-panel__clear:hover, ' . $scope . ' .cpcf-filter-panel__clear:focus-visible', $hover_declarations );

	if ( '' !== $hover_rule ) {
		$rules[] = $hover_rule;
	}

	acewpcf_append_panel_button_style_rules(
		$rules,
		$scope,
		'.cpcf-filter-panel__mobile-toggle',
		'.cpcf-filter-panel__mobile-toggle:hover, .cpcf-filter-panel__mobile-toggle:focus, .cpcf-filter-panel__mobile-toggle:focus-visible, .cpcf-filter-panel__mobile-toggle:active',
		$styles,
		'mobile_toggle'
	);

	$group_header_declarations = array();

	if ( ! empty( $styles['group_header_color'] ) ) {
		$group_header_declarations[] = 'color:' . $styles['group_header_color'];
	}

	acewpcf_append_typography_declarations( $group_header_declarations, $styles, 'group_header' );

	$group_header_rule = acewpcf_build_css_rule( $scope . ' .cpcf-filter-panel__group-header > span', $group_header_declarations );

	if ( '' !== $group_header_rule ) {
		$rules[] = $group_header_rule;
	}

	return implode( "\n", $rules );
}

function acewpcf_get_ajax_empty_results_config( $source ) {
	$source = is_array( $source ) ? $source : array();
	$styles = isset( $source['styles'] ) && is_array( $source['styles'] ) ? $source['styles'] : array();

	$config = array(
		'message'         => isset( $source['empty_results_message'] ) ? acewpcf_sanitize_empty_results_message( $source['empty_results_message'] ) : '',
		'textColor'       => isset( $styles['empty_results_text_color'] ) ? sanitize_hex_color( $styles['empty_results_text_color'] ) : '',
		'backgroundColor' => isset( $styles['empty_results_background_color'] ) ? sanitize_hex_color( $styles['empty_results_background_color'] ) : '',
		'borderColor'     => isset( $styles['empty_results_border_color'] ) ? sanitize_hex_color( $styles['empty_results_border_color'] ) : '',
		'fontSize'        => isset( $styles['empty_results_font_size'] ) ? acewpcf_sanitize_size_value( $styles['empty_results_font_size'] ) : '',
		'paddingY'        => isset( $styles['empty_results_padding_y'] ) ? acewpcf_sanitize_size_value( $styles['empty_results_padding_y'] ) : '',
		'paddingX'        => isset( $styles['empty_results_padding_x'] ) ? acewpcf_sanitize_size_value( $styles['empty_results_padding_x'] ) : '',
		'borderRadius'    => isset( $styles['empty_results_border_radius'] ) ? acewpcf_sanitize_size_value( $styles['empty_results_border_radius'] ) : '',
	);

	return array_filter(
		$config,
		static function ( $value ) {
			return '' !== (string) $value;
		}
	);
}

function acewpcf_get_current_archive_count_context() {
	static $context = null;

	if ( null !== $context ) {
		return $context;
	}

	$context        = array();
	$queried_object = get_queried_object();

	if ( ! ( $queried_object instanceof WP_Term ) ) {
		return $context;
	}

	$taxonomy = sanitize_key( $queried_object->taxonomy );

	if ( ! acewpcf_is_supported_content_taxonomy( $taxonomy ) ) {
		return $context;
	}

	$slug = sanitize_title( $queried_object->slug );

	if ( '' !== $slug ) {
		$context[ $taxonomy ] = array( $slug );
	}

	return $context;
}

function acewpcf_get_filter_count_context_tax_clauses( $filter ) {
	static $contexts = array();

	$filter          = is_array( $filter ) ? $filter : array();
	$filter_id       = isset( $filter['id'] ) ? sanitize_key( $filter['id'] ) : '';
	$filter_taxonomy = acewpcf_get_filter_taxonomy( $filter );
	$cache_key       = $filter_id . ':' . $filter_taxonomy;

	if ( isset( $contexts[ $cache_key ] ) ) {
		return $contexts[ $cache_key ];
	}

	$contexts[ $cache_key ] = acewpcf_get_all_active_filter_tax_clauses( $filter_id );

	foreach ( acewpcf_get_current_archive_count_context() as $taxonomy => $archive_slugs ) {
		if ( $taxonomy === $filter_taxonomy ) {
			continue;
		}

		$contexts[ $cache_key ][] = array(
			'filter_id' => 'archive-' . $taxonomy,
			'taxonomy'  => $taxonomy,
			'slugs'     => $archive_slugs,
		);
	}

	$contexts[ $cache_key ] = acewpcf_normalize_active_filter_tax_clauses( $contexts[ $cache_key ] );

	return $contexts[ $cache_key ];
}

function acewpcf_get_filter_count_context_slugs_by_filter( $filter ) {
	return acewpcf_get_filter_count_context_tax_clauses( $filter );
}

function acewpcf_get_contextual_content_query_args( $active_tax_clauses, $content_type = 'post', $exclude_filter_id = '' ) {
	$content_type             = acewpcf_sanitize_content_type( $content_type );
	$query_args               = acewpcf_get_content_count_query_base_args( $content_type );
	$tax_query                = isset( $query_args['tax_query'] ) && is_array( $query_args['tax_query'] ) ? $query_args['tax_query'] : array();
	$active_tax_clauses       = acewpcf_normalize_active_filter_tax_clauses( $active_tax_clauses );

	foreach ( $active_tax_clauses as $filter_clause ) {
		if ( empty( $filter_clause['taxonomy'] ) || empty( $filter_clause['slugs'] ) ) {
			continue;
		}

		$tax_query[] = array(
			'taxonomy' => $filter_clause['taxonomy'],
			'field'    => 'slug',
			'terms'    => $filter_clause['slugs'],
			'operator' => ( isset( $filter_clause['operator'] ) && 'and' === $filter_clause['operator'] && count( $filter_clause['slugs'] ) > 1 ) ? 'AND' : 'IN',
		);
	}

	if ( ! empty( $tax_query ) ) {
		$query_args['tax_query'] = $tax_query; // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query -- Contextual filter state requires taxonomy constraints.
	}

	acewpcf_apply_virtual_filters_to_query_args( $query_args, $content_type, $exclude_filter_id );

	return $query_args;
}

function acewpcf_get_contextual_filter_term_count_map_for_terms( $filter_taxonomy, $terms, $active_tax_clauses, $selected_slugs = array(), $content_type = 'post', $exclude_filter_id = '' ) {
	static $maps = array();

	$filter_taxonomy      = sanitize_key( (string) $filter_taxonomy );
	$terms                = is_array( $terms ) ? $terms : array();
	$active_tax_clauses   = acewpcf_normalize_active_filter_tax_clauses( $active_tax_clauses );
	$selected_slugs       = array_map( 'sanitize_title', is_array( $selected_slugs ) ? $selected_slugs : array() );
	$selected_slugs       = array_values( array_filter( array_unique( $selected_slugs ) ) );
	$count_map            = array();
	$term_slugs           = array();

	foreach ( $terms as $term ) {
		if ( ! ( $term instanceof WP_Term ) ) {
			continue;
		}

		if ( $filter_taxonomy !== sanitize_key( $term->taxonomy ) ) {
			continue;
		}

		$term_id = (int) $term->term_id;

		if ( $term_id <= 0 ) {
			continue;
		}

		$count_map[ $term_id ]  = 0;
		$term_slugs[ $term_id ] = sanitize_title( $term->slug );
	}

	if ( '' === $filter_taxonomy || empty( $count_map ) ) {
		return $count_map;
	}

	$cache_key = md5(
		wp_json_encode(
			array(
				'filter_taxonomy' => $filter_taxonomy,
				'terms'           => array_keys( $count_map ),
				'active'          => $active_tax_clauses,
				'selected'        => $selected_slugs,
			)
		)
	);

	if ( isset( $maps[ $cache_key ] ) ) {
		return $maps[ $cache_key ];
	}

	$post_ids_by_term   = array();

	$query_args = acewpcf_get_contextual_content_query_args( $active_tax_clauses, $content_type, $exclude_filter_id );

	$query_args['posts_per_page'] = -1;
	$query_args['no_found_rows']  = true;
	$query_args['paged']          = 1;
	$query_args['orderby']        = 'none';
	$query_args['cache_results']  = false;

	$query      = new WP_Query( $query_args );
	$post_ids = ! empty( $query->posts ) ? array_map( 'absint', $query->posts ) : array();

	wp_reset_postdata();

	if ( empty( $post_ids ) ) {
		$maps[ $cache_key ] = $count_map;
		return $maps[ $cache_key ];
	}

	$term_relationships = wp_get_object_terms(
		$post_ids,
		$filter_taxonomy,
		array(
			'fields'  => 'all_with_object_id',
			'orderby' => 'none',
		)
	);

	if ( is_wp_error( $term_relationships ) || empty( $term_relationships ) ) {
		$maps[ $cache_key ] = $count_map;
		return $maps[ $cache_key ];
	}

	foreach ( $term_relationships as $term_relationship ) {
		if ( ! is_object( $term_relationship ) || ! isset( $term_relationship->object_id, $term_relationship->term_id, $term_relationship->slug ) ) {
			continue;
		}

		$object_id = absint( $term_relationship->object_id );
		$term_id   = (int) $term_relationship->term_id;

		if ( $object_id <= 0 || $term_id <= 0 ) {
			continue;
		}

		if ( isset( $count_map[ $term_id ] ) ) {
			if ( ! isset( $post_ids_by_term[ $term_id ] ) ) {
				$post_ids_by_term[ $term_id ] = array();
			}

			$post_ids_by_term[ $term_id ][ $object_id ] = true;
		}
	}

	foreach ( $count_map as $term_id => $count ) {
		$term_post_ids = isset( $post_ids_by_term[ $term_id ] ) ? $post_ids_by_term[ $term_id ] : array();
		$count_map[ $term_id ] = count( $term_post_ids );
	}

	$maps[ $cache_key ] = $count_map;

	return $maps[ $cache_key ];
}

function acewpcf_get_filter_term_count_map( $filter, $force_contextual = false ) {
	static $maps = array();

	$filter               = is_array( $filter ) ? $filter : array();
	$filter_id            = isset( $filter['id'] ) ? sanitize_key( $filter['id'] ) : '';
	$taxonomy             = acewpcf_get_filter_taxonomy( $filter );
	$active_tax_clauses   = acewpcf_get_filter_count_context_tax_clauses( $filter );
	$selected_slugs       = acewpcf_parse_filter_request_slugs( $filter_id );
	$force_contextual     = (bool) $force_contextual;

	if ( '' === $filter_id || ( empty( $active_tax_clauses ) && empty( $selected_slugs ) && ! $force_contextual && ! acewpcf_request_contains_filter_query_vars() ) ) {
		return array();
	}

	$cache_key = $filter_id . ':' . md5( wp_json_encode( array( 'tax' => $active_tax_clauses, 'selected' => $selected_slugs, 'force_contextual' => $force_contextual ) ) );

	if ( isset( $maps[ $cache_key ] ) ) {
		return $maps[ $cache_key ];
	}

	$terms = acewpcf_get_filter_terms( $filter_id );

	if ( empty( $terms ) ) {
		$maps[ $cache_key ] = array();
		return $maps[ $cache_key ];
	}

	if ( ( acewpcf_is_author_filter( $filter ) || acewpcf_is_date_filter( $filter ) ) && function_exists( 'acewpcf_get_virtual_filter_count_map' ) ) {
		$maps[ $cache_key ] = acewpcf_get_virtual_filter_count_map( $filter, $active_tax_clauses );
		return $maps[ $cache_key ];
	}

	$maps[ $cache_key ] = acewpcf_get_contextual_filter_term_count_map_for_terms(
		$taxonomy,
		$terms,
		$active_tax_clauses,
		$selected_slugs,
		acewpcf_get_filter_content_type( $filter ),
		$filter_id
	);

	return $maps[ $cache_key ];
}

function acewpcf_panel_has_active_filters( $panel ) {
	$panel_filter_ids = acewpcf_parse_filter_id_list( isset( $panel['filter_ids'] ) ? $panel['filter_ids'] : array() );

	if ( empty( $panel_filter_ids ) ) {
		return false;
	}

	foreach ( $panel_filter_ids as $filter_id ) {
		$filter = acewpcf_get_filter_set( $filter_id );

		if ( empty( $filter ) ) {
			continue;
		}

		if ( acewpcf_is_search_filter( $filter ) ) {
			if ( '' !== acewpcf_parse_filter_request_search( $filter['id'] ) ) {
				return true;
			}

			continue;
		}

		if ( ! empty( acewpcf_parse_filter_request_slugs( $filter['id'] ) ) ) {
			return true;
		}
	}

	return false;
}

function acewpcf_get_filter_panel_clear_all_url( $panel ) {
	$panel_filter_ids     = acewpcf_parse_filter_id_list( isset( $panel['filter_ids'] ) ? $panel['filter_ids'] : array() );
	$query_args_to_remove = array( 'paged' );
	$base_url             = acewpcf_get_filter_render_base_url();

	if ( '' === $base_url ) {
		$base_url = acewpcf_get_filter_base_url();
	}

	foreach ( $panel_filter_ids as $filter_id ) {
		$filter = acewpcf_get_filter_set( $filter_id );

		if ( empty( $filter ) ) {
			continue;
		}

		$query_args_to_remove[] = acewpcf_get_filter_query_var( $filter['id'] );
	}

	return remove_query_arg( array_values( array_unique( $query_args_to_remove ) ), $base_url );
}

function acewpcf_should_render_panel_clear_all( $panel ) {
	$panel_filter_ids = acewpcf_parse_filter_id_list( isset( $panel['filter_ids'] ) ? $panel['filter_ids'] : array() );
	$clear_all_mode   = isset( $panel['clear_all_mode'] ) ? acewpcf_sanitize_filter_panel_clear_all_mode( $panel['clear_all_mode'] ) : 'auto';

	if ( 'off' === $clear_all_mode || empty( $panel_filter_ids ) ) {
		return false;
	}

	if ( 'always' === $clear_all_mode ) {
		return true;
	}

	return count( $panel_filter_ids ) > 1;
}

function acewpcf_render_filter_choice_content( $category, $filter, $count = null ) {
	$selection_mode = isset( $filter['selection_mode'] ) ? $filter['selection_mode'] : 'single';
	$display_count  = null === $count ? absint( $category->count ) : absint( $count );
	$uses_swatches  = acewpcf_filter_uses_swatches( $filter );
	$swatch_color   = $uses_swatches ? acewpcf_get_filter_term_color( $filter, isset( $category->term_id ) ? $category->term_id : 0 ) : '';

	ob_start();
	?>
	<span class="cpcf-filter__content">
		<?php if ( $uses_swatches ) : ?>
			<span class="cpcf-filter__swatch"<?php echo '' !== $swatch_color ? ' style="--cpcf-swatch-color: ' . esc_attr( $swatch_color ) . ';"' : ''; ?> aria-hidden="true"></span>
		<?php elseif ( 'multiple' === $selection_mode ) : ?>
			<span class="cpcf-filter__marker" aria-hidden="true"></span>
		<?php endif; ?>
		<?php if ( ! empty( $filter['show_label'] ) ) : ?>
			<span class="cpcf-filter__label"><?php echo esc_html( $category->name ); ?></span>
		<?php endif; ?>
		<?php if ( ! empty( $filter['show_count'] ) ) : ?>
			<span class="cpcf-filter__count"><?php echo esc_html( (string) $display_count ); ?></span>
		<?php endif; ?>
	</span>
	<?php

	return ob_get_clean();
}

function acewpcf_get_filter_term_display_count( $term, $count_map ) {
	$count_map = is_array( $count_map ) ? $count_map : array();
	$count_key = acewpcf_get_filter_choice_count_key( $term );

	if ( '' !== (string) $count_key && isset( $count_map[ $count_key ] ) ) {
		return (int) $count_map[ $count_key ];
	}

	if ( is_object( $term ) && isset( $term->count ) ) {
		return (int) $term->count;
	}

	return 0;
}

function acewpcf_resolve_hide_zero_count_terms( $filter, $override = '' ) {
	if ( ! acewpcf_filter_uses_terms( $filter ) ) {
		return false;
	}

	$override = sanitize_key( (string) $override );

	if ( 'hide' === $override ) {
		return true;
	}

	if ( 'show' === $override ) {
		return false;
	}

	return ! empty( $filter['hide_zero_count_terms'] );
}

function acewpcf_resolve_term_search_mode( $filter, $override = '' ) {
	if ( ! acewpcf_filter_uses_terms( $filter ) ) {
		return 'terms';
	}

	$override = sanitize_key( (string) $override );
	$choices  = acewpcf_get_filter_term_search_mode_choices();

	if ( isset( $choices[ $override ] ) ) {
		return $override;
	}

	return acewpcf_sanitize_filter_term_search_mode( isset( $filter['term_search_mode'] ) ? $filter['term_search_mode'] : 'terms' );
}

function acewpcf_filter_uses_swatches( $filter ) {
	if ( ! acewpcf_filter_uses_terms( $filter ) ) {
		return false;
	}

	return 'swatches' === acewpcf_sanitize_filter_display_mode( isset( $filter['display_mode'] ) ? $filter['display_mode'] : 'buttons' );
}

function acewpcf_get_filter_term_color( $filter, $term_id ) {
	$colors  = isset( $filter['term_colors'] ) && is_array( $filter['term_colors'] ) ? $filter['term_colors'] : array();
	$term_id = absint( $term_id );

	if ( ! $term_id ) {
		return '';
	}

	if ( ! empty( $colors[ $term_id ] ) ) {
		return acewpcf_normalize_hex_color( $colors[ $term_id ] );
	}

	$key = (string) $term_id;

	if ( ! empty( $colors[ $key ] ) ) {
		return acewpcf_normalize_hex_color( $colors[ $key ] );
	}

	return '';
}

function acewpcf_get_filter_term_search_placeholder( $filter ) {
	$placeholder = isset( $filter['term_search_placeholder'] ) ? trim( (string) $filter['term_search_placeholder'] ) : '';

	return '' !== $placeholder ? $placeholder : __( 'Search…', 'ace-content-filters' );
}

function acewpcf_get_filter_term_search_empty_message( $filter ) {
	$message = isset( $filter['term_search_empty_message'] ) ? trim( (string) $filter['term_search_empty_message'] ) : '';

	return '' !== $message ? $message : __( 'No matching terms', 'ace-content-filters' );
}

function acewpcf_get_filter_term_search_text( $term ) {
	$parts = array();

	if ( is_object( $term ) && isset( $term->name ) && '' !== (string) $term->name ) {
		$parts[] = (string) $term->name;
	}

	if ( is_object( $term ) && isset( $term->slug ) && '' !== (string) $term->slug ) {
		$parts[] = (string) $term->slug;
	}

	return strtolower( implode( ' ', $parts ) );
}

function acewpcf_get_visible_filter_terms( $terms, $count_map, $active_slugs, $preserve_ancestors = false ) {
	$terms        = is_array( $terms ) ? $terms : array();
	$count_map    = is_array( $count_map ) ? $count_map : array();
	$active_slugs = is_array( $active_slugs ) ? $active_slugs : array();

	if ( empty( $terms ) ) {
		return array();
	}

	$selected_ids = array();
	$keep         = array();

	foreach ( $terms as $term ) {
		if ( ! ( $term instanceof WP_Term ) ) {
			continue;
		}

		$term_id = (int) $term->term_id;
		$slug    = isset( $term->slug ) ? (string) $term->slug : '';

		$selected_ids[ $term_id ] = true;
		$keep[ $term_id ]         = ( '' !== $slug && in_array( $slug, $active_slugs, true ) ) || acewpcf_get_filter_term_display_count( $term, $count_map ) > 0;
	}

	if ( $preserve_ancestors ) {
		$changed = true;
		$guard   = 0;

		while ( $changed && $guard < 20 ) {
			$changed = false;
			$guard++;

			foreach ( $terms as $term ) {
				if ( ! ( $term instanceof WP_Term ) ) {
					continue;
				}

				$term_id = (int) $term->term_id;

				if ( empty( $keep[ $term_id ] ) ) {
					continue;
				}

				$ancestor_id = acewpcf_get_selected_term_ancestor_id( $term, $selected_ids );

				if ( $ancestor_id > 0 && empty( $keep[ $ancestor_id ] ) ) {
					$keep[ $ancestor_id ] = true;
					$changed              = true;
				}
			}
		}
	}

	$visible = array();

	foreach ( $terms as $term ) {
		if ( $term instanceof WP_Term && ! empty( $keep[ (int) $term->term_id ] ) ) {
			$visible[] = $term;
		}
	}

	return $visible;
}

function acewpcf_get_filter_choice_count_key( $choice ) {
	if ( is_object( $choice ) && isset( $choice->term_id ) ) {
		return (int) $choice->term_id;
	}

	if ( is_array( $choice ) && isset( $choice['term_id'] ) ) {
		return (int) $choice['term_id'];
	}

	if ( is_object( $choice ) && isset( $choice->slug ) ) {
		return sanitize_title( (string) $choice->slug );
	}

	if ( is_array( $choice ) && isset( $choice['slug'] ) ) {
		return sanitize_title( (string) $choice['slug'] );
	}

	return '';
}

function acewpcf_get_current_filter_choice( $choices, $active_slugs ) {
	if ( empty( $choices ) || ! is_array( $choices ) ) {
		return null;
	}

	foreach ( $choices as $choice ) {
		if ( in_array( $choice->slug, $active_slugs, true ) ) {
			return $choice;
		}
	}

	return reset( $choices );
}

function acewpcf_render_filter_mobile_toggle( $category, $filter, $is_selected, $count = null ) {
	if ( empty( $category ) ) {
		return '';
	}

	ob_start();
	?>
	<span
		class="cpcf-filter__mobile-toggle<?php echo $is_selected ? ' is-selected' : ''; ?>"
		role="button"
		tabindex="0"
		aria-expanded="false"
	>
		<?php echo acewpcf_render_filter_choice_content( $category, $filter, $count ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
		<span class="cpcf-filter__mobile-toggle-icon" aria-hidden="true"></span>
	</span>
	<?php

	return ob_get_clean();
}

function acewpcf_shortcode_truthy( $value ) {
	$value = strtolower( trim( (string) $value ) );

	return in_array( $value, array( '1', 'true', 'yes', 'on' ), true );
}

function acewpcf_render_single_filter_shortcode( $atts = array() ) {
	$atts   = shortcode_atts(
		array(
			'id'               => '',
			'ajax'             => '',
			'results_selector' => '',
			'show_panel_heading' => '',
			'count_display_mode' => '',
			'hide_zero_count_terms' => '',
			'term_search_mode' => '',
		),
		$atts,
		'acewpcf_filter'
	);
	$filter            = acewpcf_get_filter_set( $atts['id'] );

	if ( empty( $filter ) ) {
		return '';
	}

	$ajax_override        = isset( $atts['ajax'] ) ? trim( (string) $atts['ajax'] ) : '';
	$selector_override    = isset( $atts['results_selector'] ) ? trim( (string) $atts['results_selector'] ) : '';
	$force_contextual_counts = ! empty( $atts['force_contextual_counts'] );
	$count_display_override = isset( $atts['count_display_mode'] ) ? sanitize_key( (string) $atts['count_display_mode'] ) : '';
	$hide_zero_count_override = isset( $atts['hide_zero_count_terms'] ) ? sanitize_key( (string) $atts['hide_zero_count_terms'] ) : '';
	$term_search_override = isset( $atts['term_search_mode'] ) ? sanitize_key( (string) $atts['term_search_mode'] ) : '';
	$show_panel_heading_attr = isset( $atts['show_panel_heading'] ) ? strtolower( trim( (string) $atts['show_panel_heading'] ) ) : '';
	$panel_heading_forced_off = in_array( $show_panel_heading_attr, array( '0', 'false', 'no', 'off' ), true );
	$panel_heading_enabled = ! $panel_heading_forced_off && ! empty( $filter['show_panel_heading'] );
	$filter_ajax_enabled  = ! empty( $filter['ajax_enabled'] );
	$filter_results_selector = isset( $filter['results_selector'] ) ? acewpcf_sanitize_results_selector( $filter['results_selector'] ) : '';
	$ajax_enabled         = '' === $ajax_override ? $filter_ajax_enabled : acewpcf_shortcode_truthy( $ajax_override );
	$results_selector     = '' !== $selector_override ? acewpcf_sanitize_results_selector( $selector_override ) : $filter_results_selector;
	$ajax_enabled         = $ajax_enabled && '' !== $results_selector;
	$panel_heading        = '';
	if ( $panel_heading_enabled ) {
		$panel_heading = isset( $filter['panel_heading'] ) ? trim( sanitize_text_field( (string) $filter['panel_heading'] ) ) : '';
	}

	acewpcf_enqueue_assets();
	acewpcf_enqueue_filter_font_stylesheet( $filter );
	$style_block   = acewpcf_get_filter_style_block( $filter );
	acewpcf_enqueue_inline_style_block( $style_block );
	$empty_results_config      = acewpcf_get_ajax_empty_results_config( $filter );
	$empty_results_config_json = ! empty( $empty_results_config ) ? wp_json_encode( $empty_results_config ) : '';
	$orientation    = isset( $filter['orientation'] ) ? acewpcf_sanitize_filter_orientation( $filter['orientation'] ) : 'horizontal';
	$base_url        = acewpcf_get_filter_render_base_url();
	if ( acewpcf_is_search_filter( $filter ) ) {
		$search_value       = acewpcf_parse_filter_request_search( $filter['id'] );
		$search_placeholder = isset( $filter['search_placeholder'] ) && '' !== (string) $filter['search_placeholder']
			? (string) $filter['search_placeholder']
			: __( 'Search…', 'ace-content-filters' );
		$container_class    = 'cpcf-filter cpcf-filter--' . sanitize_html_class( $filter['id'] ) . ' cpcf-filter--' . sanitize_html_class( $orientation ) . ' cpcf-filter--search';
		$param_key          = acewpcf_get_filter_query_var( $filter['id'] );

		ob_start();
		?>
		<div
			class="<?php echo esc_attr( $container_class ); ?>"
			data-filter-id="<?php echo esc_attr( $filter['id'] ); ?>"
			data-filter-kind="search"
			data-base-url="<?php echo esc_url( $base_url ); ?>"
			data-param-key="<?php echo esc_attr( $param_key ); ?>"
			data-selection-mode="single"
			data-orientation="<?php echo esc_attr( $orientation ); ?>"
			data-ajax-enabled="<?php echo $ajax_enabled ? '1' : '0'; ?>"
			data-results-selector="<?php echo esc_attr( $results_selector ); ?>"
			<?php if ( '' !== $empty_results_config_json ) : ?>data-empty-results-config="<?php echo esc_attr( $empty_results_config_json ); ?>"<?php endif; ?>
			role="search"
			aria-label="<?php echo esc_attr( $filter['name'] ); ?>"
		>
			<?php if ( '' !== $panel_heading ) : ?>
				<span class="cpcf-filter__panel-heading"><?php echo esc_html( $panel_heading ); ?></span>
			<?php endif; ?>
			<label class="cpcf-filter__search">
				<?php if ( ! empty( $filter['show_label'] ) && '' === $panel_heading ) : ?>
					<span class="cpcf-filter__search-label"><?php echo esc_html( $filter['name'] ); ?></span>
				<?php endif; ?>
				<span class="cpcf-filter__search-row">
					<input
						type="search"
						class="cpcf-filter__search-input"
						name="<?php echo esc_attr( $param_key ); ?>"
						value="<?php echo esc_attr( $search_value ); ?>"
						placeholder="<?php echo esc_attr( $search_placeholder ); ?>"
						autocomplete="off"
						autocapitalize="none"
						spellcheck="false"
						aria-label="<?php echo esc_attr( $search_placeholder ); ?>"
					/>
					<button
						type="button"
						class="cpcf-filter__search-clear"
						<?php echo '' === $search_value ? 'hidden' : ''; ?>
						aria-label="<?php echo esc_attr__( 'Clear search', 'ace-content-filters' ); ?>"
					>
						<span aria-hidden="true">&times;</span>
					</button>
				</span>
			</label>
		</div>
		<?php

		return acewpcf_prefix_late_filter_styles( ob_get_clean() );
	}

	$categories = acewpcf_get_filter_terms( $filter['id'] );

	if ( empty( $categories ) ) {
		return '';
	}

	$active_slugs       = acewpcf_parse_filter_request_slugs( $filter['id'] );
	$current_category   = acewpcf_get_current_filter_choice( $categories, $active_slugs );
	$selection_mode     = $filter['selection_mode'];
	$count_display_mode = '' !== $count_display_override
		? acewpcf_sanitize_filter_count_display_mode( $count_display_override )
		: ( isset( $filter['count_display_mode'] ) ? acewpcf_sanitize_filter_count_display_mode( $filter['count_display_mode'] ) : 'contextual' );
	$uses_contextual_counts = 'contextual' === $count_display_mode;
	$hide_zero_count_terms = acewpcf_resolve_hide_zero_count_terms( $filter, $hide_zero_count_override );
	$term_search_mode   = acewpcf_resolve_term_search_mode( $filter, $term_search_override );
	$term_search_enabled = 'terms' !== $term_search_mode;
	$needs_contextual_counts = $uses_contextual_counts && ( ! empty( $filter['show_count'] ) || $hide_zero_count_terms );
	$count_map          = $needs_contextual_counts
		? acewpcf_get_filter_term_count_map( $filter, $force_contextual_counts )
		: array();
	$responsive_layouts = isset( $filter['responsive_layouts'] ) && is_array( $filter['responsive_layouts'] ) ? wp_parse_args( $filter['responsive_layouts'], acewpcf_get_default_filter_responsive_layouts() ) : acewpcf_get_default_filter_responsive_layouts();
	$panel_collapsible_enabled = ! empty( $filter['panel_collapsible'] );
	$panel_starts_collapsed = $panel_collapsible_enabled && ! empty( $filter['panel_collapsed_by_default'] ) && empty( $active_slugs );
	$panel_toggle_label = '' !== $panel_heading ? $panel_heading : ( isset( $filter['name'] ) ? trim( (string) $filter['name'] ) : '' );
	$include_child_terms = 'multiple' === $selection_mode && ! empty( $filter['include_child_terms'] ) && is_taxonomy_hierarchical( acewpcf_get_filter_taxonomy( $filter ) );
	$show_term_hierarchy = ! empty( $filter['show_term_hierarchy'] ) && is_taxonomy_hierarchical( acewpcf_get_filter_taxonomy( $filter ) );
	$uses_swatches       = acewpcf_filter_uses_swatches( $filter );
	$swatch_shape        = $uses_swatches ? acewpcf_sanitize_filter_swatch_shape( isset( $filter['swatch_shape'] ) ? $filter['swatch_shape'] : 'square' ) : 'square';
	$swatch_layout       = $uses_swatches ? acewpcf_sanitize_filter_swatch_layout( isset( $filter['swatch_layout'] ) ? $filter['swatch_layout'] : 'wrap' ) : 'wrap';
	$children_by_slug    = $include_child_terms ? acewpcf_get_filter_descendant_slugs_map( $categories ) : array();

	if ( $show_term_hierarchy ) {
		$categories = acewpcf_sort_filter_terms_hierarchically( $categories );
	}

	if ( $hide_zero_count_terms ) {
		$categories = acewpcf_get_visible_filter_terms( $categories, $count_map, $active_slugs, $show_term_hierarchy );
	}

	$container_class    = 'cpcf-filter cpcf-filter--' . sanitize_html_class( $filter['id'] ) . ' cpcf-filter--' . sanitize_html_class( $orientation ) . ( 'multiple' === $selection_mode ? ' cpcf-filter--multiple' : ' cpcf-filter--single' ) . ( $panel_collapsible_enabled ? ' cpcf-filter--panel-collapsible' : '' ) . ( $panel_starts_collapsed ? ' is-panel-collapsed' : '' ) . ( $show_term_hierarchy ? ' cpcf-filter--show-hierarchy' : '' ) . ( $term_search_enabled ? ' cpcf-filter--term-search' : '' ) . ( $uses_swatches ? ' cpcf-filter--swatches cpcf-filter--swatches-' . sanitize_html_class( $swatch_shape ) . ' cpcf-filter--swatches-' . sanitize_html_class( $swatch_layout ) : '' );
	$param_key          = acewpcf_get_filter_query_var( $filter['id'] );
	$filter_match_logic = ( 'multiple' === $selection_mode && isset( $filter['match_logic'] ) && 'and' === $filter['match_logic'] ) ? 'and' : 'or';
	$toggle_filter_aria_label = '';

	if ( $panel_collapsible_enabled ) {
		if ( '' === $panel_toggle_label ) {
			$panel_toggle_label = __( 'filter', 'ace-content-filters' );
		}

		/* translators: %s: filter heading or filter set name. */
		$toggle_filter_format     = __( 'Toggle %s filter', 'ace-content-filters' );
		$toggle_filter_aria_label = sprintf( $toggle_filter_format, $panel_toggle_label );
	}

	ob_start();
	?>
	<div
		class="<?php echo esc_attr( $container_class ); ?>"
		data-filter-id="<?php echo esc_attr( $filter['id'] ); ?>"
		data-base-url="<?php echo esc_url( $base_url ); ?>"
		data-param-key="<?php echo esc_attr( $param_key ); ?>"
		data-selection-mode="<?php echo esc_attr( $selection_mode ); ?>"
		data-match-logic="<?php echo esc_attr( $filter_match_logic ); ?>"
		data-orientation="<?php echo esc_attr( $orientation ); ?>"
		data-tablet-layout="<?php echo esc_attr( $responsive_layouts['tablet'] ); ?>"
		data-mobile-layout="<?php echo esc_attr( $responsive_layouts['mobile'] ); ?>"
		data-ajax-enabled="<?php echo $ajax_enabled ? '1' : '0'; ?>"
		data-results-selector="<?php echo esc_attr( $results_selector ); ?>"
		<?php if ( $term_search_enabled ) : ?>data-term-search-mode="<?php echo esc_attr( $term_search_mode ); ?>"<?php endif; ?>
		<?php if ( '' !== $empty_results_config_json ) : ?>data-empty-results-config="<?php echo esc_attr( $empty_results_config_json ); ?>"<?php endif; ?>
		role="group"
		aria-label="<?php echo esc_attr( $filter['name'] ); ?>"
	>
		<?php if ( '' !== $panel_heading || $panel_collapsible_enabled ) : ?>
			<div class="cpcf-filter__panel-heading-row">
				<?php if ( '' !== $panel_heading ) : ?>
					<span class="cpcf-filter__panel-heading"><?php echo esc_html( $panel_heading ); ?></span>
				<?php endif; ?>
				<?php if ( $panel_collapsible_enabled ) : ?>
					<button
						type="button"
						class="cpcf-filter__panel-toggle"
						aria-expanded="<?php echo $panel_starts_collapsed ? 'false' : 'true'; ?>"
						aria-label="<?php echo esc_attr( $toggle_filter_aria_label ); ?>"
					>
						<span class="cpcf-filter__panel-toggle-icon" aria-hidden="true">
							<svg viewBox="0 0 20 20" focusable="false" aria-hidden="true"><path d="M5.25 7.75L10 12.5L14.75 7.75" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75"/></svg>
						</span>
					</button>
				<?php endif; ?>
			</div>
		<?php endif; ?>
		<div class="cpcf-filter__panel-body"<?php echo $panel_starts_collapsed ? ' hidden' : ''; ?>>
			<?php if ( 'single' === $selection_mode && ! empty( $current_category ) ) : ?>
				<?php echo acewpcf_render_filter_mobile_toggle( $current_category, $filter, ! empty( $active_slugs ), isset( $count_map[ $current_category->term_id ] ) ? $count_map[ $current_category->term_id ] : $current_category->count ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
			<?php endif; ?>
			<?php if ( $term_search_enabled ) : ?>
				<?php
				$term_search_placeholder = acewpcf_get_filter_term_search_placeholder( $filter );
				$term_search_empty_message = acewpcf_get_filter_term_search_empty_message( $filter );
				?>
				<div class="cpcf-filter__term-search" role="search" aria-label="<?php echo esc_attr( $term_search_placeholder ); ?>">
					<div class="cpcf-filter__term-search-row">
						<input
							type="search"
							class="cpcf-filter__term-search-input"
							value=""
							placeholder="<?php echo esc_attr( $term_search_placeholder ); ?>"
							autocomplete="off"
							autocapitalize="none"
							spellcheck="false"
							aria-label="<?php echo esc_attr( $term_search_placeholder ); ?>"
						/>
						<button
							type="button"
							class="cpcf-filter__term-search-clear"
							hidden
							aria-label="<?php echo esc_attr__( 'Clear search', 'ace-content-filters' ); ?>"
						>
							<span aria-hidden="true">&times;</span>
						</button>
					</div>
					<p class="cpcf-filter__term-search-empty" hidden><?php echo esc_html( $term_search_empty_message ); ?></p>
				</div>
			<?php endif; ?>
			<?php foreach ( $categories as $category ) : ?>
				<?php $is_active = in_array( $category->slug, $active_slugs, true ); ?>
				<?php $is_current = ! empty( $current_category ) && $current_category->slug === $category->slug; ?>
				<?php $count_key = acewpcf_get_filter_choice_count_key( $category ); ?>
				<?php $display_count = '' !== (string) $count_key && isset( $count_map[ $count_key ] ) ? $count_map[ $count_key ] : $category->count; ?>
				<?php $term_depth = $show_term_hierarchy && isset( $category->acewpcf_depth ) ? max( 0, (int) $category->acewpcf_depth ) : 0; ?>
				<?php $term_search_text = acewpcf_get_filter_term_search_text( $category ); ?>
				<?php $needs_choice_name = $uses_swatches && empty( $filter['show_label'] ); ?>
				<?php if ( 'multiple' === $selection_mode ) : ?>
					<label class="cpcf-filter__choice<?php echo $is_active ? ' is-active' : ''; ?>" style="--cpcf-term-depth: <?php echo esc_attr( (string) $term_depth ); ?>;" data-term-search="<?php echo esc_attr( $term_search_text ); ?>"<?php echo $needs_choice_name ? ' aria-label="' . esc_attr( $category->name ) . '"' : ''; ?>>
						<input
							type="checkbox"
							class="cpcf-filter__checkbox"
							data-slug="<?php echo esc_attr( $category->slug ); ?>"
							<?php if ( $include_child_terms && isset( $children_by_slug[ $category->slug ] ) ) : ?>
							data-child-slugs="<?php echo esc_attr( implode( ',', $children_by_slug[ $category->slug ] ) ); ?>"
							<?php endif; ?>
							<?php checked( $is_active ); ?>
						/>
						<span class="cpcf-filter__button<?php echo $is_active ? ' is-active' : ''; ?>">
							<?php echo acewpcf_render_filter_choice_content( $category, $filter, $display_count ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
						</span>
					</label>
				<?php else : ?>
					<span
						class="cpcf-filter__button<?php echo $is_active ? ' is-active' : ''; ?><?php echo $is_current ? ' is-current' : ''; ?>"
						data-slug="<?php echo esc_attr( $category->slug ); ?>"
						data-term-search="<?php echo esc_attr( $term_search_text ); ?>"
						style="--cpcf-term-depth: <?php echo esc_attr( (string) $term_depth ); ?>;"
						role="button"
						tabindex="0"
						aria-pressed="<?php echo $is_active ? 'true' : 'false'; ?>"
						<?php echo $needs_choice_name ? 'aria-label="' . esc_attr( $category->name ) . '"' : ''; ?>
					>
						<?php echo acewpcf_render_filter_choice_content( $category, $filter, $display_count ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
					</span>
				<?php endif; ?>
			<?php endforeach; ?>
		</div>
	</div>
	<?php

	return acewpcf_prefix_late_filter_styles( ob_get_clean() );
}

function acewpcf_render_filter_panel_shortcode( $atts = array() ) {
	$atts = shortcode_atts(
		array(
			'id'               => '',
			'ajax'             => '',
			'results_selector' => '',
		),
		$atts,
		'acewpcf_filter_panel'
	);

	$panel = acewpcf_get_filter_panel( $atts['id'] );

	if ( empty( $panel ) ) {
		return '';
	}

	$panel_filter_ids       = acewpcf_parse_filter_id_list( isset( $panel['filter_ids'] ) ? $panel['filter_ids'] : array() );
	$ajax_override          = isset( $atts['ajax'] ) ? trim( (string) $atts['ajax'] ) : '';
	$selector_override      = isset( $atts['results_selector'] ) ? trim( (string) $atts['results_selector'] ) : '';
	$panel_ajax_enabled     = ! empty( $panel['ajax_enabled'] );
	$panel_results_selector = isset( $panel['results_selector'] ) ? acewpcf_sanitize_results_selector( $panel['results_selector'] ) : '';
	$effective_ajax         = '' === $ajax_override ? ( $panel_ajax_enabled ? '1' : '0' ) : $ajax_override;
	$effective_selector     = '' !== $selector_override ? acewpcf_sanitize_results_selector( $selector_override ) : $panel_results_selector;
	$clear_all_mode         = isset( $panel['clear_all_mode'] ) ? acewpcf_sanitize_filter_panel_clear_all_mode( $panel['clear_all_mode'] ) : 'auto';
	$panel_count_display_mode = isset( $panel['count_display_mode'] ) ? acewpcf_sanitize_panel_count_display_mode( $panel['count_display_mode'] ) : 'inherit';
	$panel_hide_zero_count_terms = isset( $panel['hide_zero_count_terms'] ) ? acewpcf_sanitize_panel_hide_zero_count_terms( $panel['hide_zero_count_terms'] ) : 'inherit';
	$panel_term_search_mode = isset( $panel['term_search_mode'] ) ? acewpcf_sanitize_panel_term_search_mode( $panel['term_search_mode'] ) : 'inherit';
	$should_render_clear_all = acewpcf_should_render_panel_clear_all( $panel );
	$is_clear_all_enabled   = acewpcf_panel_has_active_filters( $panel );
	$clear_all_url          = acewpcf_get_filter_panel_clear_all_url( $panel );
	$mobile_toggle_label    = isset( $panel['mobile_toggle_label'] ) ? acewpcf_sanitize_panel_control_label( $panel['mobile_toggle_label'] ) : '';
	$clear_all_label        = isset( $panel['clear_all_label'] ) ? acewpcf_sanitize_panel_control_label( $panel['clear_all_label'] ) : '';
	$mobile_toggle_label    = '' !== $mobile_toggle_label ? $mobile_toggle_label : __( 'Filters', 'ace-content-filters' );
	$clear_all_label        = '' !== $clear_all_label ? $clear_all_label : __( 'Clear all', 'ace-content-filters' );
	acewpcf_enqueue_panel_font_stylesheet( $panel );
	$style_block            = acewpcf_get_filter_panel_style_block( $panel );
	$empty_results_config      = acewpcf_get_ajax_empty_results_config( $panel );
	$empty_results_config_json = ! empty( $empty_results_config ) ? wp_json_encode( $empty_results_config ) : '';

	if ( empty( $panel_filter_ids ) ) {
		return '';
	}

	$rendered_filters = array();

	foreach ( acewpcf_get_panel_layout_items( $panel ) as $panel_item ) {
		if ( isset( $panel_item['type'] ) && 'heading' === $panel_item['type'] ) {
			$group_header = isset( $panel_item['text'] ) ? acewpcf_sanitize_group_header( $panel_item['text'] ) : '';

			if ( '' !== $group_header ) {
				$rendered_filters[] = '<div class="cpcf-filter-panel__group-header"><span>' . esc_html( $group_header ) . '</span></div>';
			}

			continue;
		}

		$filter_id = isset( $panel_item['id'] ) ? sanitize_key( (string) $panel_item['id'] ) : '';
		$filter    = '' !== $filter_id ? acewpcf_get_filter_set( $filter_id ) : array();

		if ( empty( $filter ) ) {
			continue;
		}

		$filter_output = acewpcf_render_single_filter_shortcode(
			array(
				'id'               => $filter_id,
				'ajax'             => $effective_ajax,
				'results_selector' => $effective_selector,
				'show_panel_heading' => '1',
				'count_display_mode' => 'inherit' !== $panel_count_display_mode ? $panel_count_display_mode : '',
				'hide_zero_count_terms' => 'inherit' !== $panel_hide_zero_count_terms ? $panel_hide_zero_count_terms : '',
				'term_search_mode' => 'inherit' !== $panel_term_search_mode ? $panel_term_search_mode : '',
			)
		);

		if ( '' !== $filter_output ) {
			$rendered_filters[] = '<div class="cpcf-filter-panel__item" data-filter-id="' . esc_attr( $filter_id ) . '">' . $filter_output . '</div>';
		}
	}

	if ( empty( $rendered_filters ) ) {
		return '';
	}

	acewpcf_enqueue_inline_style_block( $style_block );

	ob_start();
	?>
	<div
		class="cpcf-filter-panel cpcf-filter-panel--<?php echo esc_attr( sanitize_html_class( $panel['id'] ) ); ?>"
		data-panel-id="<?php echo esc_attr( $panel['id'] ); ?>"
		data-panel-filter-count="<?php echo esc_attr( (string) count( $panel_filter_ids ) ); ?>"
		data-clear-all-mode="<?php echo esc_attr( $clear_all_mode ); ?>"
		data-ajax-enabled="<?php echo $effective_ajax && '' !== $effective_selector ? '1' : '0'; ?>"
		data-results-selector="<?php echo esc_attr( $effective_selector ); ?>"
		<?php if ( '' !== $empty_results_config_json ) : ?>data-empty-results-config="<?php echo esc_attr( $empty_results_config_json ); ?>"<?php endif; ?>
	>
		<button type="button" class="cpcf-filter-panel__mobile-toggle" aria-expanded="false">
			<span class="cpcf-filter-panel__mobile-toggle-main">
				<span class="cpcf-filter-panel__mobile-icon" aria-hidden="true">
					<svg viewBox="0 0 24 24" focusable="false" aria-hidden="true"><path d="M3 6.75C3 6.33579 3.33579 6 3.75 6H20.25C20.6642 6 21 6.33579 21 6.75C21 7.16421 20.6642 7.5 20.25 7.5H3.75C3.33579 7.5 3 7.16421 3 6.75ZM6 12C6 11.5858 6.33579 11.25 6.75 11.25H17.25C17.6642 11.25 18 11.5858 18 12C18 12.4142 17.6642 12.75 17.25 12.75H6.75C6.33579 12.75 6 12.4142 6 12ZM9 17.25C9 16.8358 9.33579 16.5 9.75 16.5H14.25C14.6642 16.5 15 16.8358 15 17.25C15 17.6642 14.6642 18 14.25 18H9.75C9.33579 18 9 17.6642 9 17.25Z" fill="currentColor"/></svg>
				</span>
				<span class="cpcf-filter-panel__mobile-label"><?php echo esc_html( $mobile_toggle_label ); ?></span>
			</span>
			<span class="cpcf-filter-panel__mobile-count" hidden></span>
			<span class="cpcf-filter-panel__mobile-arrow" aria-hidden="true"></span>
		</button>
		<div class="cpcf-filter-panel__content">
			<?php echo implode( "\n", $rendered_filters ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
			<?php if ( $should_render_clear_all ) : ?>
				<div class="cpcf-filter-panel__toolbar">
					<a
						class="cpcf-filter-panel__clear<?php echo $is_clear_all_enabled ? '' : ' is-disabled'; ?>"
						href="<?php echo esc_url( $clear_all_url ); ?>"
						aria-disabled="<?php echo $is_clear_all_enabled ? 'false' : 'true'; ?>"
						<?php echo $is_clear_all_enabled ? '' : 'tabindex="-1"'; ?>
					>
						<?php echo esc_html( $clear_all_label ); ?>
					</a>
				</div>
			<?php endif; ?>
		</div>
	</div>
	<?php

	return acewpcf_prefix_late_filter_styles( ob_get_clean() );
}

function acewpcf_render_filter_shortcode( $atts = array() ) {
	$atts = shortcode_atts(
		array(
			'id'               => '',
			'ids'              => '',
			'panel_id'         => '',
			'ajax'             => '',
			'results_selector' => '',
		),
		$atts,
		'acewpcf_filter'
	);

	$panel_id = isset( $atts['panel_id'] ) ? sanitize_key( (string) $atts['panel_id'] ) : '';

	if ( '' !== $panel_id ) {
		return acewpcf_render_filter_panel_shortcode(
			array(
				'id'               => $panel_id,
				'ajax'             => $atts['ajax'],
				'results_selector' => $atts['results_selector'],
			)
		);
	}

	$filter_ids = acewpcf_parse_filter_id_list( $atts['ids'] );

	if ( empty( $filter_ids ) ) {
		return acewpcf_render_single_filter_shortcode( $atts );
	}

	if ( 1 === count( $filter_ids ) ) {
		$atts['id'] = $filter_ids[0];

		return acewpcf_render_single_filter_shortcode( $atts );
	}

	$rendered_filters = array();

	foreach ( $filter_ids as $filter_id ) {
		$filter_output = acewpcf_render_single_filter_shortcode(
			array(
				'id'               => $filter_id,
				'ajax'             => $atts['ajax'],
				'results_selector' => $atts['results_selector'],
			)
		);

		if ( '' !== $filter_output ) {
			$rendered_filters[] = $filter_output;
		}
	}

	if ( empty( $rendered_filters ) ) {
		return '';
	}

	return implode( "\n", $rendered_filters );
}
add_shortcode( 'acewpcf_filter', 'acewpcf_render_filter_shortcode' );
add_shortcode( 'acewpcf_filter_panel', 'acewpcf_render_filter_panel_shortcode' );