<?php
/**
 * Register the scripts, styles, and blocks needed for the block editor.
 *
 * @package WooCommerce\Blocks
 * @version 3.6.0
 */

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

/**
 * WC_Block_Library Class.
 */
class WC_Block_Library {

	/**
	 * Get the file modified time as a cache buster if we're in dev mode.
	 *
	 * @param string $file Local path to the file.
	 * @return string The cache buster value to use for the given file.
	 */
	protected static function get_file_version( $file ) {
		if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
			$file = trim( $file, '/' );
			return filemtime( WC_ABSPATH . $file );
		}
		return WC_VERSION;
	}

	/**
	 * Registers a script according to `wp_register_script`, additionally loading the translations for the file.
	 *
	 * @since 3.6.0
	 *
	 * @param string $handle    Name of the script. Should be unique.
	 * @param string $src       Full URL of the script, or path of the script relative to the WordPress root directory.
	 * @param array  $deps      Optional. An array of registered script handles this script depends on. Default empty array.
	 * @param bool   $has_i18n  Optional. Whether to add a script translation call to this file. Default 'false'.
	 */
	protected static function register_script( $handle, $src, $deps = array(), $has_i18n = true ) {
		$filename = str_replace( plugins_url( '/', WC_PLUGIN_FILE ), '', $src );
		$ver      = self::get_file_version( $filename );
		wp_register_script( $handle, $src, $deps, $ver, true );
		if ( $has_i18n && function_exists( 'wp_set_script_translations' ) ) {
			wp_set_script_translations( $handle, 'woocommerce', WC_ABSPATH . 'languages' );
		}
	}

	/**
	 * Registers a style according to `wp_register_style`.
	 *
	 * @since 4.1.0
	 *
	 * @param string $handle Name of the stylesheet. Should be unique.
	 * @param string $src    Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory.
	 * @param array  $deps   Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array.
	 * @param string $media  Optional. The media for which this stylesheet has been defined. Default 'all'. Accepts media types like
	 *                       'all', 'print' and 'screen', or media queries like '(orientation: portrait)' and '(max-width: 640px)'.
	 */
	protected static function register_style( $handle, $src, $deps = array(), $media = 'all' ) {
		$filename = str_replace( plugins_url( '/', WC_PLUGIN_FILE ), '', $src );
		$ver      = self::get_file_version( $filename );
		wp_register_style( $handle, $src, $deps, $ver, $media );
	}

	/**
	 * Register block scripts & styles.
	 */
	public static function register_assets() {
		self::register_style( 'wc-block-editor', WC()->plugin_url() . '/assets/css/blocks/editor.css', array( 'wp-edit-blocks' ) );
		self::register_style( 'wc-block-style', WC()->plugin_url() . '/assets/css/blocks/style.css', array() );

		// Shared libraries and components across all blocks.
		self::register_script( 'wc-vendors', WC()->plugin_url() . '/assets/js/blocks/vendors.js', array(), false );

		$block_dependencies = array(
			'wp-api-fetch',
			'wp-blocks',
			'wp-components',
			'wp-compose',
			'wp-data',
			'wp-element',
			'wp-editor',
			'wp-i18n',
			'wp-url',
			'lodash',
			'wc-vendors',
		);

		self::register_script( 'wc-handpicked-products', WC()->plugin_url() . '/assets/js/blocks/handpicked-products.js', $block_dependencies );
		self::register_script( 'wc-product-best-sellers', WC()->plugin_url() . '/assets/js/blocks/product-best-sellers.js', $block_dependencies );
		self::register_script( 'wc-product-category', WC()->plugin_url() . '/assets/js/blocks/product-category.js', $block_dependencies );
		self::register_script( 'wc-product-new', WC()->plugin_url() . '/assets/js/blocks/product-new.js', $block_dependencies );
		self::register_script( 'wc-product-on-sale', WC()->plugin_url() . '/assets/js/blocks/product-on-sale.js', $block_dependencies );
		self::register_script( 'wc-product-top-rated', WC()->plugin_url() . '/assets/js/blocks/product-top-rated.js', $block_dependencies );
		self::register_script( 'wc-products-attribute', WC()->plugin_url() . '/assets/js/blocks/products-attribute.js', $block_dependencies );
		self::register_script( 'wc-featured-product', WC()->plugin_url() . '/assets/js/blocks/featured-product.js', $block_dependencies );
	}

	/**
	 * Register blocks, hooking up assets and render functions as needed.
	 */
	public static function register_blocks() {
		require_once dirname( __FILE__ ) . '/class-wc-block-featured-product.php';

		register_block_type(
			'woocommerce/handpicked-products',
			array(
				'editor_script' => 'wc-handpicked-products',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/product-best-sellers',
			array(
				'editor_script' => 'wc-product-best-sellers',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/product-category',
			array(
				'editor_script' => 'wc-product-category',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/product-new',
			array(
				'editor_script' => 'wc-product-new',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/product-on-sale',
			array(
				'editor_script' => 'wc-product-on-sale',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/product-top-rated',
			array(
				'editor_script' => 'wc-product-top-rated',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/products-by-attribute',
			array(
				'editor_script' => 'wc-products-attribute',
				'editor_style'  => 'wc-block-editor',
				'style'         => 'wc-block-style',
			)
		);
		register_block_type(
			'woocommerce/featured-product',
			array(
				'render_callback' => array( 'WC_Block_Featured_Product', 'render' ),
				'editor_script'   => 'wc-featured-product',
				'editor_style'    => 'wc-block-editor',
				'style'           => 'wc-block-style',
			)
		);
	}

	/**
	 * Adds a WooCommerce category to the block inserter.
	 *
	 * @param array $categories Array of categories.
	 * @return array Array of block categories.
	 */
	public static function add_block_category( $categories ) {
		return array_merge(
			$categories,
			array(
				array(
					'slug'  => 'woocommerce',
					'title' => __( 'WooCommerce', 'woocommerce' ),
					'icon'  => 'woocommerce',
				),
			)
		);
	}

	/**
	 * Output the wcSettings global before printing any script tags.
	 */
	public static function print_script_settings() {
		// Global settings used in each block.
		$block_settings = array(
			'min_columns'       => wc_get_theme_support( 'product_grid::min_columns', 1 ),
			'max_columns'       => wc_get_theme_support( 'product_grid::max_columns', 6 ),
			'default_columns'   => wc_get_default_products_per_row(),
			'min_rows'          => wc_get_theme_support( 'product_grid::min_rows', 1 ),
			'max_rows'          => wc_get_theme_support( 'product_grid::max_rows', 6 ),
			'default_rows'      => wc_get_default_product_rows_per_page(),
			'placeholderImgSrc' => wc_placeholder_img_src(),
			'min_height'        => wc_get_theme_support( 'featured_block::min_height', 500 ),
			'default_height'    => wc_get_theme_support( 'featured_block::default_height', 500 ),
		);
		?>
		<script type="text/javascript">
			<?php // Use the wcSettings from wc-admin if already present. ?>
			var wc_product_block_data = <?php echo wp_json_encode( $block_settings ); ?>;
		</script>
		<?php
	}
}

if ( function_exists( 'register_block_type' ) ) {
	add_action( 'init', array( 'WC_Block_Library', 'register_blocks' ) );
	add_action( 'init', array( 'WC_Block_Library', 'register_assets' ) );
	add_filter( 'block_categories', array( 'WC_Block_Library', 'add_block_category' ) );
	add_action( 'admin_print_footer_scripts', array( 'WC_Block_Library', 'print_script_settings' ), 1 );
}