<?php
/**
 * Site Options Importer.
 *
 * @package KraftPlugins\DemoImporterPlus
 * @since 2.0.0
 */

namespace KraftPlugins\DemoImporterPlus;

use WP_Error;

/**
 * Site Options Importer.
 *
 * @package KraftPlugins\DemoImporterPlus
 * @since 2.0.0
 */
class SiteOptionsImporter {

	/**
	 * Cache Option Name.
	 *
	 * @var string
	 */
	protected static string $cache_option_name = '__demo_importer_plus_site_options';

	/**
	 * Site Options.
	 */
	protected function site_options() {
		$default_options = array(
			'custom_logo',
			'nav_menu_locations',
			'show_on_front',
			'page_on_front',
			'page_for_posts',
			'permalink_structure',

			// Plugin: Elementor.
			'elementor_container_width',
			'elementor_cpt_support',
			'elementor_css_print_method',
			'elementor_default_generic_fonts',
			'elementor_disable_color_schemes',
			'elementor_disable_typography_schemes',
			'elementor_editor_break_lines',
			'elementor_exclude_user_roles',
			'elementor_global_image_lightbox',
			'elementor_page_title_selector',
			'elementor_scheme_color',
			'elementor_scheme_color-picker',
			'elementor_scheme_typography',
			'elementor_space_between_widgets',
			'elementor_stretched_section_container',
			'elementor_load_fa4_shim',
			'elementor_active_kit',

			// Plugin: WooCommerce.
			// Pages.
			'woocommerce_shop_page_title',
			'woocommerce_cart_page_title',
			'woocommerce_checkout_page_title',
			'woocommerce_myaccount_page_title',
			'woocommerce_edit_address_page_title',
			'woocommerce_view_order_page_title',
			'woocommerce_change_password_page_title',
			'woocommerce_logout_page_title',

			// Account & Privacy.
			'woocommerce_enable_guest_checkout',
			'woocommerce_enable_checkout_login_reminder',
			'woocommerce_enable_signup_and_login_from_checkout',
			'woocommerce_enable_myaccount_registration',
			'woocommerce_registration_generate_username',

			// Categories.
			'woocommerce_product_cat',

			// PostX Support.
			'ultp-widget',

			// WP Travel Engine
			'primary_pricing_category',
			'wp_travel_engine_settings',
			'wp_travel_engine_permalinks',
			'wptravelengine_trip_version',
			'wptravelengine_version',
			'wptravelengine_since',
		);

		return apply_filters( 'demo-importer-plus:importable-site-options', $default_options );
	}

	/**
	 * In WP nav menu is stored as ( 'menu_location' => 'menu_id' );
	 * In export we send 'menu_slug' like ( 'menu_location' => 'menu_slug' );
	 * In import we set 'menu_id' from menu slug like ( 'menu_location' => 'menu_id' );
	 *
	 * @param array $nav_menu_locations Array of nav menu locations.
	 */
	protected function set_nav_menu_locations( array $nav_menu_locations = array() ) {

		$menu_locations = array();

		// Update menu locations.
		if ( isset( $nav_menu_locations ) ) {
			foreach ( $nav_menu_locations as $menu => $value ) {

				$term = get_term_by( 'slug', $value, 'nav_menu' );

				if ( is_object( $term ) ) {
					$menu_locations[ $menu ] = $term->term_id;
				}
			}

			set_theme_mod( 'nav_menu_locations', $menu_locations );
		}
	}

	/**
	 * Set WooCommerce category images.
	 *
	 * @param array $cats Array of categories.
	 */
	protected function set_woocommerce_product_cat( array $cats = array() ) {
		foreach ( $cats as $key => $cat ) {
			if ( ! empty( $cat[ 'slug' ] ) && ! empty( $cat[ 'thumbnail_src' ] ) ) {
				$image = (object) demo_importer_plus_sideload_image( $cat[ 'thumbnail_src' ] );
				if ( ! is_wp_error( $image ) ) {
					if ( ! empty( $image->attachment_id ) ) {
						$term = get_term_by( 'slug', $cat[ 'slug' ], 'product_cat' );
						if ( is_object( $term ) ) {
							update_term_meta( $term->term_id, 'thumbnail_id', $image->attachment_id );
						}
					}
				}
			}
		}
	}

	/**
	 * Insert Logo By URL
	 *
	 * @param string $image_url Logo URL.
	 */
	protected function insert_logo( string $image_url = '' ) {
		$attachment = demo_importer_plus_sideload_image( $image_url );

		if ( ! is_wp_error( $attachment ) ) {
			set_theme_mod( 'custom_logo', $attachment->attachment_id );
		}
	}

	/**
	 * Set Elementor Kit.
	 */
	private function set_elementor_kit() {

		// Update Elementor Theme Kit Option.
		$args = array(
			'post_type'   => 'elementor_library',
			'post_status' => 'publish',
			'numberposts' => 1,
			'meta_query'  => array(
				array(
					'key'   => '_demo_importer_plus_sites_imported_post',
					'value' => '1',
				),
				array(
					'key'   => '_elementor_template_type',
					'value' => 'kit',
				),
			),
		);

		$query = get_posts( $args );
		if ( isset( $query[ 0 ]->ID ) ) {
			update_option( 'elementor_active_kit', $query[ 0 ]->ID );
		}
	}

	/**
	 * Update Page ID by Option Value.
	 *
	 * @param string $option_name Option name.
	 * @param mixed $option_value Option value.
	 */
	protected function update_page_id_by_option_value( string $option_name, $option_value ) {
		$page = get_page_by_title( $option_value );
		if ( is_object( $page ) ) {
			update_option( $option_name, $page->ID );
		}
	}

	/**
	 * Fetch Site Options.
	 *
	 * @return array|WP_Error
	 * @since 2.0.0
	 * TODO: Remove all the options on reset request.
	 */
	public function import( array $options ) {
		$options = apply_filters( 'demo_importer_plus_site_options', $options );

		/**
		 * This cached option names will be used to remove options while cleanup.
		 */
		$cleanup_options = array();

		$allowed_options = array_flip( $this->site_options() );
		foreach ( $options as $option_name => $option_value ) {

			if ( isset( $allowed_options[ $option_name ] ) ) {
				switch ( $option_name ) {
					case 'woocommerce_shop_page_title':
					case 'woocommerce_cart_page_title':
					case 'woocommerce_checkout_page_title':
					case 'woocommerce_myaccount_page_title':
					case 'woocommerce_edit_address_page_title':
					case 'woocommerce_view_order_page_title':
					case 'woocommerce_change_password_page_title':
					case 'woocommerce_logout_page_title':
						$option_name = str_replace( '_title', '_id', $option_name );
						$page        = get_page_by_title( $option_value );
						if ( is_object( $page ) ) {
							update_option( $option_name, $page->ID );
						}
						break;

					case 'page_for_posts':
					case 'page_on_front':
						$this->update_page_id_by_option_value( $option_name, $option_value );
						break;

					case 'nav_menu_locations':
						if ( is_array( $option_value ) ) {
							$this->set_nav_menu_locations( $option_value );
						}
						break;

					case 'woocommerce_product_cat':
						if ( is_array( $option_value ) ) {
							$this->set_woocommerce_product_cat( $option_value );
						}
						break;

					case 'custom_logo':
						$this->insert_logo( $option_value );
						break;

					case 'elementor_active_kit':
						if ( ! empty( $option_value ) ) {
							$this->set_elementor_kit();
						}
						break;

					default:
						update_option( $option_name, $option_value );
						break;
				}
			}

			$cleanup_options[] = $option_name;
		}

		update_option( 'permalink_structure', '/%postname%/' );
		update_option( static::$cache_option_name, $cleanup_options );

		return $options;

	}

	/**
	 * Cleanup.
	 *
	 * @return array
	 * @since 2.0.0
	 */
	public function cleanup(): array {
		$cache_option_names = get_option( static::$cache_option_name, array() );

		foreach ( $cache_option_names as $option_name ) {
			delete_option( $option_name );
		}

		delete_option( static::$cache_option_name );

		return array(
			'count'           => count( $cache_option_names ),
			'deleted_options' => $cache_option_names,
		);
	}
}