<?php


class WCML_Custom_Taxonomy_Translation_UI extends WCML_Templates_Factory {

	private $woocommerce_wpml;
	private $sitepress;

	private $custom_taxonomies              = [];
	private $product_builtin_taxonomy_names = [ 'product_cat', 'product_tag', 'product_shipping_class', 'product_type', 'translation_priority' ]; // 'product_type' is used for tags?


	/**
	 * WCML_Custom_Taxonomy_Translation_UI constructor.
	 *
	 * @param woocommerce_wpml $woocommerce_wpml
	 * @param SitePress        $sitepress
	 */
	public function __construct( $woocommerce_wpml, $sitepress ) {
		// @todo Cover by tests, required for wcml-3037.
		parent::__construct();

		$this->woocommerce_wpml = $woocommerce_wpml;
		$this->sitepress        = $sitepress;

		$product_attributes = [];
		$attributes         = wc_get_attribute_taxonomies();
		foreach ( $attributes as $attribute ) {
			$product_attributes[ 'pa_' . $attribute->attribute_name ] = $attribute;
		}

		$product_taxonomies = get_object_taxonomies( 'product', 'objects' );

		foreach ( $product_taxonomies as $product_taxonomy_name => $product_taxonomy_object ) {
			if (
				! isset( $product_attributes[ $product_taxonomy_name ] ) &&
				! in_array( $product_taxonomy_name, $this->product_builtin_taxonomy_names ) &&
				is_taxonomy_translated( $product_taxonomy_name )
			) {
				$this->custom_taxonomies[ $product_taxonomy_name ] = $product_taxonomy_object;
			}
		}

	}

	public function get_model() {

		$taxonomy          = isset( $_GET['taxonomy'] ) ? $_GET['taxonomy'] : false;
		$selected_taxonomy = false;
		$translation_ui    = '';

		if ( $this->custom_taxonomies && ! empty( $taxonomy ) ) {
			foreach ( $this->custom_taxonomies as $taxonomy_name => $taxonomy_object ) {
				if ( $taxonomy_name == $taxonomy ) {
					$selected_taxonomy = $taxonomy_object;
					break;
				}
			}
		}

		if ( $selected_taxonomy ) {
			$WPML_Translate_Taxonomy =
				new WPML_Taxonomy_Translation(
					isset( $selected_taxonomy->name ) ? $selected_taxonomy->name : '',
					[
						'taxonomy_selector' => false,
					]
				);
		} elseif ( $this->custom_taxonomies ) {
			$empty_value        = new stdClass();
			$empty_value->name  = '';
			$empty_value->label = __( '--Taxonomy--', 'woocommerce-multilingual' );
			array_unshift( $this->custom_taxonomies, $empty_value );

			$WPML_Translate_Taxonomy =
				new WPML_Taxonomy_Translation(
					'',
					[
						'taxonomy_selector' => false,
					],
					new WPML_UI_Screen_Options_Factory( $this->sitepress )
				);
		}

		if ( isset( $WPML_Translate_Taxonomy ) ) {
			ob_start();
			$WPML_Translate_Taxonomy->render();
			$translation_ui = ob_get_contents();
			ob_end_clean();
		}

		$model = [

			'taxonomies'        => $this->custom_taxonomies,
			'selected_taxonomy' => $selected_taxonomy,
			'strings'           => [
				'no_taxonomies' => __( 'There are no translatable product custom taxonomies defined', 'woocommerce-multilingual' ),
				'select_label'  => __( 'Select the taxonomy to translate: ', 'woocommerce-multilingual' ),
				'loading'       => __( 'Loading ...', 'woocommerce-multilingual' ),
			],
			'translation_ui'    => $translation_ui,

		];

		return $model;
	}


	public function init_template_base_dir() {
		$this->template_paths = [
			WCML_PLUGIN_PATH . '/templates/',
		];
	}

	public function get_template() {
		return 'custom-taxonomy-translation.twig';
	}
}