<?php

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

if ( ! class_exists( 'AIEO_Gravity_Forms', false ) ) {

	class AIEO_Gravity_Forms {

		
		const ID = 'gravityforms';

		
		const HANDLE = 'aieo-gravity-forms';

		
		const ROOT = 'aieo-gf';

		
		const PRIMARY   = 'wp-element-button';
		const SECONDARY = 'wp-element-button is-style-outline';

		private static $booted = false;

		public static function boot() {
			if ( self::$booted ) {
				return;
			}
			self::$booted = true;
			if ( is_admin() && ! wp_doing_ajax() ) {
				return;
			}
			add_action( 'gform_enqueue_scripts', array( __CLASS__, 'enqueue' ), 20, 2 );
			add_filter( 'gform_get_form_filter', array( __CLASS__, 'form' ), 20, 2 );
			add_filter( 'gform_submit_button', array( __CLASS__, 'submit' ), 20, 2 );
			add_filter( 'gform_next_button', array( __CLASS__, 'submit' ), 20, 2 );
			add_filter( 'gform_previous_button', array( __CLASS__, 'previous' ), 20, 2 );
			add_filter( 'gform_field_content', array( __CLASS__, 'field' ), 20, 5 );
			add_filter( 'gform_validation_message', array( __CLASS__, 'refusal' ), 20, 2 );
			add_filter( 'gform_confirmation', array( __CLASS__, 'confirmation' ), 20, 4 );
			add_filter( 'gform_tabindex', array( __CLASS__, 'tabindex' ), 20, 2 );
		}

		
		public static function tabindex( $tabindex, $form = null ) {
			return self::applies( is_array( $form ) ? $form : null ) ? 0 : (int) $tabindex;
		}

		
		public static function available() {
			return function_exists( 'gravity_form' ) && function_exists( 'rooster_icon' );
		}

		
		public static function switched_on() {
			return ! class_exists( 'AIEO_Recognised_Plugins' ) || AIEO_Recognised_Plugins::on( self::ID );
		}

		
		public static function applies( $form = null ) {
			if ( ! self::available() || self::in_admin() ) {
				return false;
			}
			
			return (bool) apply_filters( 'aieo_gravity_forms_look', self::switched_on(), $form );
		}

		
		private static function in_admin() {
			if ( is_admin() && ! wp_doing_ajax() ) {
				return true;
			}
			return class_exists( 'GFCommon' ) && ( ( is_callable( array( 'GFCommon', 'is_form_editor' ) ) && GFCommon::is_form_editor() ) || ( is_callable( array( 'GFCommon', 'is_entry_detail' ) ) && GFCommon::is_entry_detail() ) );
		}

		
		public static function enqueue( $form, $ajax = false ) {
			if ( self::applies( is_array( $form ) ? $form : null ) ) {
				self::assets();
			}
		}

		
		public static function form( $html, $form ) {
			if ( ! is_string( $html ) || ! self::applies( is_array( $form ) ? $form : null ) ) {
				return $html;
			}
			$count = 0;
			$html  = (string) preg_replace_callback(
				'/<div([^>]*?)\sclass=([\'"])([^\'"]*\b(?:gform_wrapper|gform_confirmation_wrapper)\b[^\'"]*)\2/',
				static function ( $m ) {
					return '<div' . $m[1] . ' class=' . $m[2] . trim( $m[3] ) . ' ' . self::ROOT . $m[2] . ' data-rooster-ui="rooster-one/gravity-forms"';
				},
				$html,
				1,
				$count
			);
			if ( $count ) {
				self::assets();
			}
			return $html;
		}

		
		public static function submit( $button, $form ) {
			return self::applies( is_array( $form ) ? $form : null ) ? self::add_class( $button, self::PRIMARY ) : $button;
		}

		
		public static function previous( $button, $form ) {
			return self::applies( is_array( $form ) ? $form : null ) ? self::add_class( $button, self::SECONDARY ) : $button;
		}

		
		public static function field( $content, $field, $value = '', $entry_id = 0, $form_id = 0 ) {
			if ( ! is_string( $content ) || ! is_object( $field ) || ! self::applies() ) {
				return $content;
			}
			$type = (string) ( $field->type ?? '' );
			if ( 'fileupload' === $type && false !== strpos( $content, 'gform_button_select_files' ) ) {
				$content = (string) preg_replace_callback(
					'/<button([^>]*?)\sclass=([\'"])([^\'"]*\bgform_button_select_files\b[^\'"]*)\2/',
					static function ( $m ) {
						return '<button' . $m[1] . ' class=' . $m[2] . trim( $m[3] ) . ' ' . self::SECONDARY . $m[2];
					},
					$content
				);
			}
			if ( 'password' === $type && false !== strpos( $content, 'dashicons-hidden' ) ) {
				$eye     = '<span class="dashicons-hidden aieo-gf__eye" aria-hidden="true">'
					. rooster_icon( 'eye-off', array( 'width' => 18, 'height' => 18 ) )
					. rooster_icon( 'eye', array( 'width' => 18, 'height' => 18 ) )
					. '</span>';
				$content = (string) preg_replace( '/<span class=([\'"])dashicons dashicons-hidden\1 aria-hidden=([\'"])true\2><\/span>/', $eye, $content );
			}
			return $content;
		}

		
		public static function refusal( $markup, $form ) {
			if ( ! is_string( $markup ) || ! self::applies( is_array( $form ) ? $form : null ) ) {
				return $markup;
			}
			return (string) preg_replace( '/<span class=([\'"])gform-icon gform-icon--circle-error\1><\/span>/', rooster_icon( 'circle-alert', array( 'width' => 20, 'height' => 20 ) ), $markup );
		}

		
		public static function confirmation( $confirmation, $form, $entry = array(), $ajax = false ) {
			if ( ! is_string( $confirmation ) || ! self::applies( is_array( $form ) ? $form : null ) || false !== strpos( $confirmation, 'role=' ) ) {
				return $confirmation;
			}
			return (string) preg_replace( '/<div([^>]*\bclass=([\'"])[^\'"]*\bgform_confirmation_message\b[^\'"]*\2)/', '<div role="status"$1', $confirmation, 1 );
		}

		
		public static function add_class( $markup, $classes ) {
			if ( ! is_string( $markup ) || preg_match( '/type=([\'"])image\1/', $markup ) ) {
				return $markup;
			}
			return (string) preg_replace_callback(
				'/<(button|input)([^>]*?)\sclass=([\'"])([^\'"]*)\3/',
				static function ( $m ) use ( $classes ) {
					$have = preg_split( '/\s+/', trim( $m[4] ) );
					$add  = array_diff( preg_split( '/\s+/', $classes ), $have );
					return '<' . $m[1] . $m[2] . ' class=' . $m[3] . trim( $m[4] . ' ' . implode( ' ', $add ) ) . $m[3];
				},
				$markup,
				1
			);
		}

		
		private static function assets() {
			$root  = dirname( __DIR__ );
			$built = ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG;
			if ( ! wp_style_is( self::HANDLE, 'enqueued' ) ) {
				$css = $built && file_exists( $root . '/assets/css/aieo-gravity-forms.min.css' ) ? 'assets/css/aieo-gravity-forms.min.css' : 'assets/css/aieo-gravity-forms.css';
				if ( file_exists( $root . '/' . $css ) ) {
					wp_enqueue_style( self::HANDLE, plugins_url( $css, __DIR__ ), array(), (string) filemtime( $root . '/' . $css ) );
				}
			}
			if ( ! wp_script_is( self::HANDLE, 'enqueued' ) ) {
				$js = $built && file_exists( $root . '/assets/js/aieo-gravity-forms.min.js' ) ? 'assets/js/aieo-gravity-forms.min.js' : 'assets/js/aieo-gravity-forms.js';
				if ( file_exists( $root . '/' . $js ) ) {
					wp_enqueue_script( self::HANDLE, plugins_url( $js, __DIR__ ), array(), (string) filemtime( $root . '/' . $js ), array( 'in_footer' => true, 'strategy' => 'defer' ) );
				}
			}
		}
	}
}