<?php
/**
 * Moving from Custom Product Tabs (YIKES) without breaking anything:
 * - while YIKES is still active, its tabs are removed from the products already imported, so they do not show twice;
 * - after the import, the filters and classes of YIKES are applied to Prodtabs tabs, so that what a theme or a snippet
 *   did with YIKES tabs (hide the heading, change the content, reorder) keeps working;
 * - the copy of an imported product (Duplicate of WooCommerce) does not count as imported.
 *
 * @package Prodtabs
 */

namespace Prodtabs;

defined( 'ABSPATH' ) || exit;

/**
 * Coexistence with Custom Product Tabs (YIKES).
 */
final class Yikes_Compat {

	/** Hooks. */
	public static function init(): void {
		// Before Prodtabs places its tabs (98), so that the anchors of YIKES are free.
		add_filter( 'woocommerce_product_tabs', array( __CLASS__, 'drop_yikes_tabs' ), 97 );
		add_filter( 'prodtabs_tab_heading_html', array( __CLASS__, 'heading' ), 10, 3 );
		add_filter( 'prodtabs_tab_content', array( __CLASS__, 'content' ), 10, 2 );
		add_filter( 'prodtabs_product_tabs', array( __CLASS__, 'all_tabs' ), 10, 2 );
		add_filter( 'woocommerce_duplicate_product_exclude_meta', array( __CLASS__, 'exclude_import_marks' ) );
	}

	/**
	 * Leaves the marks of the import off the copy of a product: undoing the import would take its tabs away.
	 *
	 * @param mixed $keys Meta keys left out of the copy.
	 * @return mixed
	 */
	public static function exclude_import_marks( $keys ) {
		return is_array( $keys ) ? array_merge( $keys, array( Import_Yikes::META_IMPORTED, Import_Yikes::META_BACKUP ) ) : $keys;
	}

	/** Whether the YIKES filters apply to Prodtabs tabs (turned on by the import, setting under Tools). */
	private static function enabled(): bool {
		return (bool) Settings::get( 'yikes_compat' );
	}

	/**
	 * Removes the tabs YIKES adds to a product that has Prodtabs tabs: imported ones, ones made by hand, or the
	 * structure of its source for a translation created after the import. A list that only hides or orders the
	 * WooCommerce tabs keeps the YIKES tabs.
	 *
	 * @param mixed $tabs Tabs.
	 * @return mixed
	 */
	public static function drop_yikes_tabs( $tabs ) {
		if ( ! is_array( $tabs ) || ! class_exists( 'YIKES_Custom_Product_Tabs_Display' ) ) {
			return $tabs;
		}
		global $product;
		$id = $product instanceof \WC_Product ? $product->get_id() : (int) get_the_ID();
		if ( ! $id || ( ! get_post_meta( $id, Import_Yikes::META_IMPORTED, true ) && ! Import_Yikes::has_custom_tabs( $id ) ) ) {
			return $tabs;
		}
		foreach ( $tabs as $key => $tab ) {
			$callback = $tab['callback'] ?? null;
			if ( is_array( $callback ) && isset( $callback[0] ) && $callback[0] instanceof \YIKES_Custom_Product_Tabs_Display ) {
				unset( $tabs[ $key ] );
			}
		}
		return $tabs;
	}

	/**
	 * Heading of a panel: classes of YIKES added, then its heading filter.
	 *
	 * @param string     $html Heading markup.
	 * @param array      $data Tab data.
	 * @param string|int $key  Tab key.
	 */
	public static function heading( $html, $data, $key ) {
		if ( ! self::enabled() || '' === $html ) {
			return $html;
		}
		$classes = 'prodtabs-heading yikes-custom-woo-tab-title yikes-custom-woo-tab-title-' . sanitize_html_class( urldecode( sanitize_title( $data['title'] ) ) );
		$html    = str_replace( 'class="prodtabs-heading"', 'class="' . esc_attr( $classes ) . '"', $html );
		return apply_filters( 'yikes_woocommerce_custom_repeatable_product_tabs_heading', $html, self::yikes_tab( $data, $key ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- hook of Custom Product Tabs (YIKES), kept for compatibility.
	}

	/**
	 * Content of a panel through the content filter of YIKES.
	 *
	 * @param string $html Formatted content.
	 * @param array  $data Tab data.
	 */
	public static function content( $html, $data ) {
		if ( ! self::enabled() ) {
			return $html;
		}
		return apply_filters( 'yikes_woocommerce_custom_repeatable_product_tabs_content', $html, self::yikes_tab( $data, '' ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- hook of Custom Product Tabs (YIKES), kept for compatibility.
	}

	/**
	 * Whole tab list through the list filter of YIKES, when YIKES no longer applies it itself.
	 *
	 * @param array       $tabs    Tabs.
	 * @param \WC_Product $product Product.
	 */
	public static function all_tabs( $tabs, $product ) {
		if ( ! self::enabled() || class_exists( 'YIKES_Custom_Product_Tabs_Display' ) ) {
			return $tabs;
		}
		return apply_filters( 'yikes_woo_filter_all_product_tabs', $tabs, $product ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- hook of Custom Product Tabs (YIKES), kept for compatibility.
	}

	/**
	 * Tab in the shape YIKES passes to its filters: title, raw content, priority, callback.
	 *
	 * @param array      $data Tab data.
	 * @param string|int $key  Tab key.
	 */
	private static function yikes_tab( array $data, $key ): array {
		return array(
			'title'    => $data['title'],
			'content'  => $data['content'],
			'priority' => 25,
			'callback' => array( Render::class, 'render_panel' ),
			'id'       => $key,
		);
	}
}