<?php
/**
 * Assets class for Aha Mobile Menu
 *
 * @package AHA_Mobile_Menu
 * @since 1.0.0
 */

if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Class AHA_Mobile_Menu_Assets
 *
 * Handles CSS and JavaScript enqueuing
 */
class AHA_Mobile_Menu_Assets {

	/**
	 * Instance of the class
	 *
	 * @var AHA_Mobile_Menu_Assets
	 */
	private static $instance = null;

	/**
	 * Get instance of the class
	 *
	 * @return AHA_Mobile_Menu_Assets
	 */
	public static function get_instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor
	 */
	public function __construct() {
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_assets' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'inline_custom_styles' ), 99 );
	}

	/**
	 * Enqueue frontend assets
	 */
	public function enqueue_assets() {
		$settings_instance = AHA_Mobile_Menu_Settings::get_instance();
		$settings = $settings_instance->get_settings();

		// Only enqueue if enabled
		if ( ! $settings['enable'] ) {
			return;
		}

		// Don't load if current page is excluded
		if ( $settings_instance->is_current_page_excluded() ) {
			return;
		}

		/**
		 * Filter: aha_mobile_menu_enqueue_assets
		 * Allows developers to prevent asset enqueuing
		 *
		 * @since 1.0.0
		 *
		 * @param bool $enqueue Whether to enqueue assets.
		 */
		if ( ! apply_filters( 'aha_mobile_menu_enqueue_assets', true ) ) {
			return;
		}

		// Enqueue main CSS
		wp_enqueue_style(
			'aha-mobile-menu-main',
			AHA_MOBILE_MENU_URL . 'assets/css/main.css',
			array(),
			AHA_MOBILE_MENU_VERSION
		);

		// Enqueue main JavaScript
		wp_enqueue_script(
			'aha-mobile-menu-main',
			AHA_MOBILE_MENU_URL . 'assets/js/main.js',
			array(),
			AHA_MOBILE_MENU_VERSION,
			true
		);

		// Pass settings to JavaScript
		$js_settings = array(
			'closeOnClickOutside'  => $settings['close_on_click_outside'],
			'closeOnNavigation'    => $settings['close_on_navigation'],
			'mobileOnly'           => $settings['mobile_only'],
			'animation'            => $settings['animation'],
			'position'             => $settings['position'],
			'triggerClasses'       => AHA_Mobile_Menu_Sidebar::get_instance()->get_trigger_classes(),
			'sidebarId'            => 'aha-mobile-menu-sidebar',
			'overlayId'            => 'aha-mobile-menu-overlay',
		);

		/**
		 * Filter: aha_mobile_menu_js_settings
		 * Allows developers to modify JavaScript settings
		 *
		 * @since 1.0.0
		 *
		 * @param array $js_settings JavaScript settings.
		 */
		$js_settings = apply_filters( 'aha_mobile_menu_js_settings', $js_settings );

		wp_localize_script( 'aha-mobile-menu-main', 'ahaMobileMenuSettings', $js_settings );
	}

	/**
	 * Output inline custom styles
	 */
	public function inline_custom_styles() {
		$settings_instance = AHA_Mobile_Menu_Settings::get_instance();
		$settings = $settings_instance->get_settings();

		if ( ! $settings['enable'] ) {
			return;
		}

		// Don't load if current page is excluded
		if ( $settings_instance->is_current_page_excluded() ) {
			return;
		}

		// Build CSS content
		$css_content = ':root {' . "\n";
		$css_content .= '--aha-mobile-menu-bg-color: ' . esc_attr( $settings['bg_color'] ) . ';' . "\n";
		$css_content .= '--aha-mobile-menu-text-color: ' . esc_attr( $settings['text_color'] ) . ';' . "\n";
		$css_content .= '}' . "\n";

		// Close button custom colors
		if ( ! empty( $settings['close_button_bg_color'] ) || ! empty( $settings['close_button_icon_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__close {' . "\n";
			if ( ! empty( $settings['close_button_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['close_button_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['close_button_icon_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['close_button_icon_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}

		// Search input custom colors
		if ( ! empty( $settings['search_input_bg_color'] ) || ! empty( $settings['search_input_border_color'] ) || ! empty( $settings['search_input_text_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__search-input {' . "\n";
			if ( ! empty( $settings['search_input_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['search_input_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['search_input_border_color'] ) ) {
				$css_content .= 'border-color: ' . esc_attr( $settings['search_input_border_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['search_input_text_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['search_input_text_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}

		// Search button custom colors
		if ( ! empty( $settings['search_button_bg_color'] ) || ! empty( $settings['search_icon_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__search-btn {' . "\n";
			if ( ! empty( $settings['search_button_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['search_button_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['search_icon_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['search_icon_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}

		// Menu links custom colors
		if ( ! empty( $settings['menu_link_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__menu a {' . "\n";
			$css_content .= 'color: ' . esc_attr( $settings['menu_link_color'] ) . ' !important;' . "\n";
			$css_content .= '}' . "\n";
		}

		if ( ! empty( $settings['menu_link_active_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__menu a.current-menu-item,' . "\n";
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__menu a.current-menu-parent,' . "\n";
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__menu a.current-menu-ancestor {' . "\n";
			$css_content .= 'color: ' . esc_attr( $settings['menu_link_active_color'] ) . ' !important;' . "\n";
			$css_content .= '}' . "\n";
		}

		if ( ! empty( $settings['menu_link_hover_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__menu a:hover {' . "\n";
			$css_content .= 'color: ' . esc_attr( $settings['menu_link_hover_color'] ) . ' !important;' . "\n";
			$css_content .= '}' . "\n";
		}

		// Social icons custom colors
		if ( ! empty( $settings['social_bg_color'] ) || ! empty( $settings['social_icon_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__social-link {' . "\n";
			if ( ! empty( $settings['social_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['social_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['social_icon_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['social_icon_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}

		// Action button 1 custom colors
		if ( ! empty( $settings['action_button_1_bg_color'] ) || ! empty( $settings['action_button_1_text_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__action-button--1 {' . "\n";
			if ( ! empty( $settings['action_button_1_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['action_button_1_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['action_button_1_text_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['action_button_1_text_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}

		// Action button 2 custom colors
		if ( ! empty( $settings['action_button_2_bg_color'] ) || ! empty( $settings['action_button_2_text_color'] ) ) {
			$css_content .= '#aha-mobile-menu-sidebar .aha-mobile-menu__action-button--2 {' . "\n";
			if ( ! empty( $settings['action_button_2_bg_color'] ) ) {
				$css_content .= 'background-color: ' . esc_attr( $settings['action_button_2_bg_color'] ) . ' !important;' . "\n";
			}
			if ( ! empty( $settings['action_button_2_text_color'] ) ) {
				$css_content .= 'color: ' . esc_attr( $settings['action_button_2_text_color'] ) . ' !important;' . "\n";
			}
			$css_content .= '}' . "\n";
		}


		/**
		 * Filter: aha_mobile_menu_inline_styles
		 * Allows developers to modify inline styles
		 *
		 * @since 1.0.0
		 *
		 * @param string $css Inline CSS content.
		 * @param array  $settings Settings array.
		 */
		$css_content = apply_filters( 'aha_mobile_menu_inline_styles', $css_content, $settings );

		// Add inline style to the enqueued stylesheet using wp_add_inline_style
		// This ensures it loads after the main CSS file and avoids unescaped output
		$safe_css = wp_strip_all_tags( $css_content );
		if ( wp_style_is( 'aha-mobile-menu-main', 'enqueued' ) ) {
			wp_add_inline_style( 'aha-mobile-menu-main', $safe_css );
		} else {
			// Fallback: register a dummy handle and add inline style so output goes through WordPress APIs
			wp_register_style( 'aha-mobile-menu-inline-fallback', false, array(), AHA_MOBILE_MENU_VERSION );
			wp_enqueue_style( 'aha-mobile-menu-inline-fallback' );
			wp_add_inline_style( 'aha-mobile-menu-inline-fallback', $safe_css );
		}
	}
}