<?php
/**
 * Registers post meta fields and enqueues the Gutenberg sidebar panel.
 */

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

class FOXCP_Meta {

	/**
	 * Meta fields: key => type
	 */
	private $fields = [
		'_foxcp_display_home'       => 'boolean',
		'_foxcp_display_posts'      => 'boolean',
		'_foxcp_display_pages'      => 'boolean',
		'_foxcp_trigger_delay'      => 'integer',
		'_foxcp_trigger_scroll'     => 'integer',
		'_foxcp_trigger_exit_intent' => 'boolean',  // exit-intent trigger
		'_foxcp_cookie_always'      => 'boolean',
		'_foxcp_cookie_duration'    => 'integer',
		'_foxcp_cookie_unit'        => 'string',
		'_foxcp_animation'          => 'string',
		'_foxcp_image_mode'            => 'boolean',
		'_foxcp_link_url'              => 'string',
		'_foxcp_woo_cart_abandonment'  => 'boolean',
		'_foxcp_woo_coupon_code'       => 'string',
	];

	public function __construct() {
		add_action( 'init', [ $this, 'register_meta' ] );
		add_action( 'enqueue_block_editor_assets', [ $this, 'enqueue_editor_assets' ] );
		add_filter( 'preview_post_link', [ $this, 'custom_preview_link' ], 10, 2 );
	}

	public function custom_preview_link( $link, $post ) {
		if ( ! $post || 'foxcp_popup' !== $post->post_type ) {
			return $link;
		}
		$url = add_query_arg( 'foxcp_preview', absint( $post->ID ), home_url( '/' ) );
		return wp_nonce_url( $url, 'foxcp_preview_' . absint( $post->ID ) );
	}

	public function register_meta() {
		$defaults = [
			'_foxcp_trigger_exit_intent' => false,
			'_foxcp_cookie_always'       => false,
			'_foxcp_cookie_duration'     => 30,
			'_foxcp_cookie_unit'         => 'days',
			'_foxcp_animation'           => 'none',
			'_foxcp_image_mode'          => false,
			'_foxcp_link_url'            => '',
			'_foxcp_woo_cart_abandonment' => false,
			'_foxcp_woo_coupon_code'     => '',
		];

		foreach ( $this->fields as $key => $type ) {
			if ( isset( $defaults[ $key ] ) ) {
				$default = $defaults[ $key ];
			} elseif ( 'boolean' === $type ) {
				$default = false;
			} elseif ( 'string' === $type ) {
				$default = '';
			} else {
				$default = 0;
			}

			register_post_meta( 'foxcp_popup', $key, [
				'single'        => true,
				'type'          => $type,
				'show_in_rest'  => true,
				'default'       => $default,
				'auth_callback' => static function () {
					return current_user_can( 'edit_posts' );
				},
			] );
		}
	}

	public function enqueue_editor_assets() {
		$screen = get_current_screen();
		if ( ! $screen || 'foxcp_popup' !== $screen->post_type ) {
			return;
		}

		wp_enqueue_script(
			'foxcp-editor',
			FOXCP_PLUGIN_URL . 'assets/js/popup-editor.js',
			[ 'wp-plugins', 'wp-edit-post', 'wp-element', 'wp-components', 'wp-data', 'wp-i18n' ],
			FOXCP_VERSION,
			true
		);

		// Load JS translations (de_DE etc.)
		wp_set_script_translations( 'foxcp-editor', '2fox4-custom-popup', FOXCP_PLUGIN_DIR . 'languages' );

		// Pass WooCommerce availability flag to JS.
		wp_localize_script( 'foxcp-editor', 'foxcpEditorData', [
			'wooActive' => class_exists( 'WooCommerce' ),
		] );

		wp_enqueue_style(
			'foxcp-editor',
			FOXCP_PLUGIN_URL . 'assets/css/popup-editor.css',
			[],
			FOXCP_VERSION
		);
	}
}