<?php

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

if ( ! class_exists( 'AIEO_Form_Button' ) ) {

	class AIEO_Form_Button {

		const SHORTCODE = 'aieo_form_button';
		const BLOCK     = 'aieo/form-button';
		const STYLE     = 'aieo-form-button';
		const MODULE    = '@rooster-one/form-button';

		
		private static $drawn = 0;

		public static function register() {
			static $done = false;
			if ( $done ) {
				return;
			}
			$done = true;
			add_shortcode( self::SHORTCODE, array( __CLASS__, 'shortcode' ) );
			add_action( 'init', array( __CLASS__, 'register_assets' ), 5 );
			add_action( 'wp_enqueue_scripts', array( __CLASS__, 'enqueue_where_placed' ) );
			add_filter( 'rooster_blocks_allowed_html', array( __CLASS__, 'allow_dialog' ) );
			
			
			
			add_filter( 'kses_allowed_protocols', array( __CLASS__, 'protocols' ) );
			if ( ! did_action( 'wp_loaded' ) ) {
				wp_allowed_protocols();
			}
		}

		
		public static function protocols( $protocols ) {
			if ( is_array( $protocols ) ) {
				foreach ( array( 'viber', 'whatsapp' ) as $scheme ) {
					if ( ! in_array( $scheme, $protocols, true ) ) {
						$protocols[] = $scheme;
					}
				}
			}
			return $protocols;
		}

		public static function register_assets() {
			$base = plugins_url( '/', AIEO_DIR . 'ai-eshop-optimizer.php' );
			$ver  = static function ( $rel ) {
				$file = AIEO_DIR . $rel;
				return is_readable( $file ) ? (string) filemtime( $file ) : ( defined( 'AIEO_VERSION' ) ? AIEO_VERSION : '1' );
			};
			wp_register_style( self::STYLE, $base . 'includes/forms/form-button.css', array(), $ver( 'includes/forms/form-button.css' ) );
			if ( function_exists( 'wp_register_script_module' ) ) {
				wp_register_script_module( self::MODULE, $base . 'includes/forms/form-button.js', array(), $ver( 'includes/forms/form-button.js' ) );
			}
		}

		
		public static function enqueue_where_placed() {
			$post = get_queried_object();
			if ( ! $post instanceof WP_Post ) {
				return;
			}
			$content = (string) $post->post_content;
			if ( has_block( self::BLOCK, $post ) || has_shortcode( $content, self::SHORTCODE ) ) {
				wp_enqueue_style( self::STYLE );
			}
		}

		
		public static function allow_dialog( $tags ) {
			if ( is_array( $tags ) && ! isset( $tags['dialog'] ) ) {
				$tags['dialog'] = array( 'class' => true, 'id' => true, 'aria-labelledby' => true, 'aria-describedby' => true, 'data-*' => true );
			}
			
			if ( is_array( $tags ) ) {
				$tags['svg']  = ( $tags['svg'] ?? array() ) + array( 'class' => true, 'viewbox' => true, 'width' => true, 'height' => true, 'aria-hidden' => true, 'focusable' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'stroke-linecap' => true, 'stroke-linejoin' => true );
				$tags['path'] = ( $tags['path'] ?? array() ) + array( 'd' => true );
			}
			return $tags;
		}

		
		public static function allowed_html() {
			$tags           = class_exists( 'AIEO_Form_Render' ) ? AIEO_Form_Render::allowed_html() : array();
			$tags['dialog'] = array( 'class' => true, 'id' => true, 'aria-labelledby' => true, 'data-*' => true );
			$tags['button'] = ( $tags['button'] ?? array() ) + array( 'type' => true, 'class' => true, 'aria-haspopup' => true, 'aria-controls' => true, 'aria-label' => true, 'data-*' => true );
			$tags['a']      = ( $tags['a'] ?? array() ) + array( 'href' => true, 'class' => true, 'aria-label' => true );
			$tags['h2']     = ( $tags['h2'] ?? array() ) + array( 'class' => true, 'id' => true );
			$tags['svg']    = ( $tags['svg'] ?? array() ) + array( 'class' => true, 'viewbox' => true, 'width' => true, 'height' => true, 'aria-hidden' => true, 'focusable' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'stroke-linecap' => true, 'stroke-linejoin' => true );
			$tags['path']   = ( $tags['path'] ?? array() ) + array( 'd' => true );
			return $tags;
		}

		
		public static function shortcode( $atts ) {
			$atts = shortcode_atts( array( 'form' => '', 'label' => '', 'opens' => '', 'page' => '', 'contact' => '', 'location' => '', 'icons' => '' ), (array) $atts, self::SHORTCODE );
			return self::render( $atts );
		}

		
		public static function resolve( $form_id, array $a = array() ) {
			$words = AIEO_Form_CPT::words( (int) $form_id );
			$label = trim( (string) ( $a['label'] ?? '' ) );
			if ( '' === $label ) {
				$label = '' !== trim( (string) $words['cta_label'] ) ? (string) $words['cta_label'] : html_entity_decode( get_the_title( (int) $form_id ), ENT_QUOTES, 'UTF-8' );
			}
			$opens = in_array( (string) ( $a['opens'] ?? '' ), array( 'modal', 'page' ), true ) ? (string) $a['opens'] : ( 'page' === (string) $words['cta_opens'] ? 'page' : 'modal' );
			$page  = absint( $a['page'] ?? 0 );
			$page  = $page > 0 ? $page : absint( $words['cta_page'] );
			$url   = '';
			if ( 'page' === $opens && $page > 0 ) {
				
				$page = (int) apply_filters( 'wpml_object_id', $page, 'page', true );
				if ( function_exists( 'pll_get_post' ) ) {
					$translated = (int) pll_get_post( $page );
					$page       = $translated > 0 ? $translated : $page;
				}
				$url = 'publish' === get_post_status( $page ) ? (string) get_permalink( $page ) : '';
			}
			$contact  = trim( (string) ( $a['contact'] ?? '' ) );
			$contact  = '' !== $contact ? $contact : (string) ( $words['cta_contact'] ?? '' );
			$location = sanitize_key( (string) ( $a['location'] ?? '' ) );
			return array(
				'label'    => $label,
				'opens'    => 'page' === $opens && '' !== $url ? 'page' : 'modal',
				'url'      => $url,
				'contact'  => class_exists( 'AIEO_Location_Contact' ) ? AIEO_Location_Contact::parse( $contact ) : array(),
				'icons'    => in_array( (string) ( $a['icons'] ?? '' ), array( 'show', 'hide' ), true ) ? 'show' === $a['icons'] : 'hide' !== (string) ( $words['cta_icons'] ?? '' ),
				'location' => '' !== $location ? $location : sanitize_key( (string) ( $words['cta_location'] ?? '' ) ),
			);
		}

		
		private static function contact_buttons( $loc, array $channels, $icons = true ) {
			if ( ! $loc || ! $channels ) {
				return '';
			}
			$html = '';
			foreach ( AIEO_Location_Contact::channels( $loc, $channels ) as $channel => $c ) {
				$icon  = $icons ? AIEO_Location_Contact::icon( $channel ) : '';
				$html .= '<a class="aieo-form-contact aieo-form-contact--' . esc_attr( $channel ) . '" href="' . esc_url( $c['url'], array( 'tel', 'https', 'viber', 'whatsapp' ) ) . '" aria-label="' . esc_attr( $c['name'] ) . '">'
					. $icon . '<span>' . esc_html( $c['text'] ) . '</span></a>';
			}
			return $html;
		}

		
		public static function render( array $a ) {
			$form_id = class_exists( 'AIEO_Form_Render' ) ? AIEO_Form_Render::find( $a['form'] ?? '' ) : 0;
			if ( ! $form_id ) {
				return '';
			}
			$do = self::resolve( $form_id, $a );
			wp_enqueue_style( self::STYLE );
			
			$loc     = class_exists( 'AIEO_Location_Contact' ) ? AIEO_Location_Contact::location( $do['location'] ) : null;
			$contact = self::contact_buttons( $loc, $do['contact'], $do['icons'] );
			$where   = $loc ? (string) $loc['slug'] : '';
			$wrapper_class = trim( 'aieo-form-button-wrap ' . ( '' !== $contact ? 'has-contact ' : '' ) . (string) ( $a['class'] ?? '' ) );
			
			
			$counted = ' data-aieo-form="' . esc_attr( 'aieo_form_' . (int) $form_id ) . '"';
			if ( 'page' === $do['opens'] ) {
				
				$url = '' !== $where ? add_query_arg( AIEO_Form_Render::LOCATION_ARG, $where, $do['url'] ) : $do['url'];
				return '<div class="' . esc_attr( $wrapper_class ) . '" data-rooster-ui="rooster-one/form-button"' . $counted . '>'
					. '<a class="wp-element-button aieo-form-button" href="' . esc_url( $url ) . '">' . esc_html( $do['label'] ) . '</a>' . $contact . '</div>';
			}

			
			$saved = class_exists( 'WP_Block_Supports' ) ? WP_Block_Supports::$block_to_render : null;
			if ( class_exists( 'WP_Block_Supports' ) ) {
				WP_Block_Supports::$block_to_render = null;
			}
			
			$form = AIEO_Form_Render::block( array( 'form' => (string) $form_id, 'variant' => 'panel', 'bare' => true, 'location' => $where ) );
			if ( class_exists( 'WP_Block_Supports' ) ) {
				WP_Block_Supports::$block_to_render = $saved;
			}
			if ( '' === $form ) {
				return '';
			}
			if ( function_exists( 'wp_enqueue_script_module' ) ) {
				wp_enqueue_script_module( self::MODULE );
			}
			++self::$drawn;
			$slug  = (string) get_post_field( 'post_name', $form_id );
			$id    = 'aieo-form-dialog-' . ( '' !== $slug ? $slug : (string) $form_id ) . ( self::$drawn > 1 ? '-' . self::$drawn : '' );
			$close = function_exists( 'rooster_icon' ) ? rooster_icon( 'x', array( 'width' => 20, 'height' => 20 ) ) : '<span aria-hidden="true">&#215;</span>';
			return '<div class="' . esc_attr( $wrapper_class ) . '" data-rooster-ui="rooster-one/form-button"' . $counted . '>'
				. '<button type="button" class="wp-element-button aieo-form-button" aria-haspopup="dialog" aria-controls="' . esc_attr( $id ) . '" data-aieo-form-open>' . esc_html( $do['label'] ) . '</button>'
				. $contact
				. '<dialog class="aieo-form-dialog" id="' . esc_attr( $id ) . '" aria-labelledby="' . esc_attr( $id ) . '-title" data-rooster-ui="rooster-one/form-button">'
				. '<div class="aieo-form-dialog__head"><h2 class="aieo-form-dialog__title" id="' . esc_attr( $id ) . '-title">' . esc_html( $do['label'] ) . '</h2>'
				. '<button type="button" class="aieo-form-dialog__close" aria-label="' . esc_attr__( 'Close', 'ai-eshop-optimizer' ) . '" data-aieo-form-close>' . $close . '</button></div>'
				. '<div class="aieo-form-dialog__body">' . $form . '</div>'
				. '</dialog></div>';
		}
	}
}