<?php

use WPML\Translation\TranslationElements\FieldCompression;

class WCML_Editor_UI_Product_Job extends WPML_Editor_UI_Job {

	/** @var array */
	private $data = [];
	/** @var woocommerce_wpml */
	private $woocommerce_wpml;
	/** @var SitePress */
	private $sitepress;
	/** @var TranslationManagement */
	private $tm_instance;
	/** @var wpdb */
	private $wpdb;
	/** @var array */
	private $job_details;
	/** @var WC_Product */
	private $product;
	/** @var int */
	private $product_id;
	/** @var string */
	private $product_type;
	/** @var bool */
	private $product_is_variable;
	/** @var array */
	private $product_downloadable_files;
	/** @var array */
	private $product_images_ids;
	/** @var array */
	private $product_fields;
	/** @var array */
	private $not_display_fields_for_variables_product;
	/** @var array */
	private $not_display_custom_fields_for_product;

	/** @var WP_Post|null $original_post */
	private $original_post;

	/**
	 * WCML_Editor_UI_Product_Job constructor.
	 *
	 * @param array            $job_details
	 * @param woocommerce_wpml $woocommerce_wpml
	 * @param SitePress        $sitepress
	 * @param wpdb             $wpdb
	 */
	public function __construct( $job_details, $woocommerce_wpml, $sitepress, $wpdb ) {
		global $iclTranslationManagement;

		$this->woocommerce_wpml = $woocommerce_wpml;
		$this->sitepress        = $sitepress;
		$this->tm_instance      = $iclTranslationManagement;
		$this->wpdb             = $wpdb;

		$this->not_display_fields_for_variables_product = [
			'_purchase_note',
			'_regular_price',
			'_sale_price',
			'_price',
			'_min_variation_price',
			'_max_variation_price',
			'_min_variation_regular_price',
			'_max_variation_regular_price',
			'_min_variation_sale_price',
			'_max_variation_sale_price',
			'_downloadable_files',
		];

		$this->not_display_custom_fields_for_product = [
			'_upsell_ids',
			'_crosssell_ids',
			'_children',
			'_downloadable_files',
		];

		$this->job_details         = $job_details;
		$this->product             = wc_get_product( $job_details['job_id'] );
		$this->original_post       = get_post( $job_details['job_id'] );
		$this->product_id          = $this->product->get_id();
		$this->product_is_variable = $this->woocommerce_wpml->products->isVariableProductObject( $this->product );
		$this->product_type        = $this->product->get_type();

		$source_lang          = $this->sitepress->get_language_for_element( $job_details['job_id'], 'post_product' );
		$target_lang          = $job_details['target'];
		$translation_complete = $this->is_translation_complete();
		$duplicate            = $this->is_duplicate();

		parent::__construct(
			$job_details['job_id'],
			'wc_product',
			__( 'Product', 'woocommerce-multilingual' ),
			$this->original_post->post_title,
			get_post_permalink( $this->product->get_id() ),
			$source_lang,
			$target_lang,
			$translation_complete,
			$duplicate
		);

		$this->product_downloadable_files = [];
		if ( $this->woocommerce_wpml->downloadable->isDownloadableProduct( $this->product ) ) {
			$this->product_downloadable_files = $this->woocommerce_wpml->downloadable->getDownloadableFiles( $this->product );
		}

		$this->product_images_ids = $this->woocommerce_wpml->media->product_images_ids( $this->product_id );

		$this->product_fields = [];

		$this->data = $this->get_data();

		$this->add_elements();
	}

	public function is_translation_complete() {

		$translation_complete = false;

		$product_trid         = $this->sitepress->get_element_trid( $this->product_id, 'post_product' );
		$product_translations = $this->sitepress->get_element_translations( $product_trid, 'post_product', false, false, true );
		if ( isset( $this->job_details['translation_complete'] ) ) {
			$translation_complete = $this->job_details['translation_complete'];
		} elseif ( isset( $product_translations[ $this->get_target_language() ] ) ) {
			$tr_status = $this->wpdb->get_var(
				$this->wpdb->prepare(
					"
                                SELECT status FROM {$this->wpdb->prefix}icl_translation_status
                                WHERE translation_id = %d",
					$product_translations[ $this->get_target_language() ]->translation_id
				)
			);
			// @todo debug
			/* @phpstan-ignore identical.alwaysFalse */
			$translation_complete = $tr_status === ICL_TM_COMPLETE;
		}

		return $translation_complete;
	}

	public function is_duplicate() {

		$is_duplicate_product = false;

		$product_trid         = $this->sitepress->get_element_trid( $this->product_id, 'post_product' );
		$product_translations = $this->sitepress->get_element_translations( $product_trid, 'post_product', false, false, true );
		if ( isset( $product_translations[ $this->get_target_language() ] ) && get_post_meta( $product_translations[ $this->get_target_language() ]->element_id, '_icl_lang_duplicate_of', true ) === $this->product_id ) {
			$is_duplicate_product = true;
		}

		return $is_duplicate_product;
	}

	public function add_elements() {
		$this->add_field( new WPML_Editor_UI_Single_Line_Field( 'title', __( 'Title', 'woocommerce-multilingual' ), $this->data, true ) );
		if ( 'translate' === apply_filters( 'wpml_setting', '', 'translated_document_page_url' ) ) {
			$this->add_field( new WPML_Editor_UI_Single_Line_Field( 'slug', __( 'Slug', 'woocommerce-multilingual' ), $this->data, true ) );
		}

		if ( $this->woocommerce_wpml->page_builders->get_page_builders_string_packages( $this->product_id ) ) {
			$page_builders_strings_section = $this->woocommerce_wpml->page_builders->get_page_builders_strings_section( $this->data, $this->product_id, $this->get_target_language() );

			if ( $page_builders_strings_section ) {
				$this->add_field( $page_builders_strings_section );
			}
		} else {
			$this->add_field( new WCML_Editor_UI_WYSIWYG_Field( 'product_content', __( 'Content / Description', 'woocommerce-multilingual' ), $this->data, true ) );
		}

		$excerpt_section = new WPML_Editor_UI_Field_Section( __( 'Excerpt', 'woocommerce-multilingual' ) );
		$excerpt_section->add_field( new WCML_Editor_UI_WYSIWYG_Field( 'product_excerpt', null, $this->data, true ) );
		$this->add_field( $excerpt_section );

		$purchase_note_section = new WPML_Editor_UI_Field_Section( __( 'Purchase note', 'woocommerce-multilingual' ) );
		$purchase_note_section->add_field( new WPML_Editor_UI_TextArea_Field( '_purchase_note', null, $this->data, true ) );
		$this->add_field( $purchase_note_section );

		/*
		 * Images
		 */
		if ( count( $this->product_images_ids ) ) {
			$images_section = new WPML_Editor_UI_Field_Section( __( 'Images', 'woocommerce-multilingual' ) );
			foreach ( $this->product_images_ids as $image_id ) {
				$image = new WPML_Editor_UI_Field_Image( 'image-id-' . $image_id, $image_id, $this->data, true );
				$images_section->add_field( $image );
			}
			$this->add_field( $images_section );
		}

		$attributes = $this->get_custom_product_atributes();
		if ( $attributes ) {
			$attributes_section = new WPML_Editor_UI_Field_Section( __( 'Custom Product attributes', 'woocommerce-multilingual' ) );
			foreach ( $attributes as $attr_key => $attribute ) {
				$group           = new WPML_Editor_UI_Field_Group( '', true );
				$attribute_field = new WPML_Editor_UI_Single_Line_Field( $attr_key . '_name', __( 'Name', 'woocommerce-multilingual' ), $this->data, false );
				$group->add_field( $attribute_field );
				$attribute_field = new WPML_Editor_UI_TextArea_Field( (string) $attr_key, __( 'Value(s)', 'woocommerce-multilingual' ), $this->data, false );
				$group->add_field( $attribute_field );
				$attributes_section->add_field( $group );
			}
			$this->add_field( $attributes_section );
		}

		$custom_fields = $this->get_product_custom_fields_to_translate( $this->product_id );

		if ( $this->product_type === 'external' ) {
			$custom_fields = array_diff( $custom_fields, [ '_product_url', '_button_text' ] );
		}

		if ( $custom_fields ) {

			$custom_fields_section = new WPML_Editor_UI_Field_Section( __( 'Custom Fields', 'woocommerce-multilingual' ) );

			foreach ( $custom_fields as $custom_field ) {

				if ( $this->check_custom_field_is_single_value( $this->product_id, $custom_field ) ) {

					$cf_settings = new WPML_Post_Custom_Field_Setting( $this->tm_instance, $custom_field );

					$field_style = apply_filters( 'wpml_editor_custom_field_style', $cf_settings->get_editor_style(), 'field-' . $custom_field );
					$field_style = (string) apply_filters( 'wpml_tm_editor_string_style', $field_style, 'field-' . $custom_field . '-0', get_post( $this->product_id ) );

					switch ( $field_style ) {
						case 'visual':
						case '2':
							$cf_field = new WPML_Editor_UI_WYSIWYG_Field( $custom_field, $this->get_product_custom_field_label( $custom_field ), $this->data, true );
							break;
						case 'textarea':
						case '1':
							$cf_field = new WPML_Editor_UI_TextArea_Field( $custom_field, $this->get_product_custom_field_label( $custom_field ), $this->data, true );
							break;
						default: // line.
							$cf_field = new WPML_Editor_UI_Single_Line_Field( $custom_field, $this->get_product_custom_field_label( $custom_field ), $this->data, true );
					}

					$custom_fields_section->add_field( $cf_field );

				} else {

					$custom_fields_values = (array) $this->get_custom_field_values( $this->product_id, $custom_field );

					if ( $custom_fields_values ) {
						$cf_fields_group = new WPML_Editor_UI_Field_Group();

						foreach ( array_values( array_filter( $custom_fields_values ) ) as $custom_field_index => $custom_field_val ) {
							$cf_fields_group = $this->add_single_custom_field_content( $cf_fields_group, $custom_field, $custom_field_index, $custom_field_val );
						}

						$custom_fields_section->add_field( $cf_fields_group );
					}
				}
			}

			$this->add_field( $custom_fields_section );
		}

		if ( $this->product_is_variable ) {
			$variationIds = $this->product->get_children();

			if ( ! empty( $variationIds ) ) {
				$variations_data_section = new WPML_Editor_UI_Field_Section( __( 'Variations data', 'woocommerce-multilingual' ) );
				foreach ( $variationIds as $variationId ) {
					$var_custom_fields = $this->get_product_custom_fields_to_translate( $variationId );
					if ( $var_custom_fields ) {
						$this->add_custom_fields_ui_section( $variations_data_section, $var_custom_fields, $variationId );
					}
				}
				$this->add_field( $variations_data_section );
			}
		}

		foreach ( $this->product_downloadable_files as $post_id => $file_data ) {
			if ( $this->product_is_variable ) {
				/* translators: %s is a product ID */
				$files_section = new WPML_Editor_UI_Field_Section( sprintf( __( 'Download Files for Variation #%s', 'woocommerce-multilingual' ), $post_id ) );
			} else {
				$files_section = new WPML_Editor_UI_Field_Section( __( 'Download Files', 'woocommerce-multilingual' ) );
			}

			foreach ( $file_data as $key => $file ) {
				$sub_group   = new WPML_Editor_UI_Field_Group();

				$field_input = new WPML_Editor_UI_Single_Line_Field( 'file-name' . $key . $post_id, __( 'Name', 'woocommerce-multilingual' ), $this->data, false );
				$sub_group->add_field( $field_input );

				$field_input = new WPML_Editor_UI_Single_Line_Field( 'file-url' . $key . $post_id, __( 'File URL', 'woocommerce-multilingual' ), $this->data, false );
				$sub_group->add_field( $field_input );

				$files_section->add_field( $sub_group );
			}

			$this->add_field( $files_section );
		}

		$this->add_taxonomies_ui_section();

		if ( $this->product_type === 'external' ) {
			$external_product_section = new WPML_Editor_UI_Field_Section( __( 'External Product', 'woocommerce-multilingual' ) );
			$external_product_section->add_field( new WPML_Editor_UI_Single_Line_Field( '_product_url', __( 'Product url', 'woocommerce-multilingual' ), $this->data, true ) );
			$external_product_section->add_field( new WPML_Editor_UI_Single_Line_Field( '_button_text', __( 'Button text', 'woocommerce-multilingual' ), $this->data, true ) );
			$this->add_field( $external_product_section );
		}

		do_action( 'wcml_gui_additional_box_html', $this, $this->product_id, $this->data );

	}

	public function add_taxonomies_ui_section() {

		$taxonomies = get_object_taxonomies( 'product', 'objects' );
		foreach ( $taxonomies as $taxonomy => $taxonomy_obj ) {
			if ( $this->woocommerce_wpml->terms->is_translatable_wc_taxonomy( $taxonomy ) && is_taxonomy_translated( $taxonomy ) ) {
				$product_terms = wp_get_post_terms( $this->product_id, $taxonomy );
				if ( $product_terms ) {
					$tax_section = new WPML_Editor_UI_Field_Section( $taxonomy_obj->label, __( 'Changes in these translations will affect terms in general! ( Not only for this product )', 'woocommerce-multilingual' ) );
					foreach ( $product_terms as $term ) {
						if (
							$this->sitepress->get_setting( 'tm_block_retranslating_terms' ) &&
							! is_null( apply_filters( 'wpml_object_id', $term->term_id, $taxonomy, false, $this->get_target_language() ) )
						) {
							continue;
						}
						$term_field = new WPML_Editor_UI_Single_Line_Field( 't_' . $term->term_taxonomy_id, '', $this->data, false );
						$tax_section->add_field( $term_field );
					}
					if ( isset( $term_field ) ) {
						$this->add_field( $tax_section );
					}
				}
			}
		}

	}

	public function add_single_custom_field_content( $cf_fields_group, $custom_field, $custom_field_index, $custom_field_val ) {

		if ( is_scalar( $custom_field_val ) ) {
			$key_index = $custom_field . '-' . $custom_field_index;
			$cf        = 'field-' . $key_index;

			$cf_field = new WPML_Editor_UI_Single_Line_Field( $cf, $cf, $this->data, false );
			$cf_fields_group->add_field( $cf_field );

		} else {
			foreach ( $custom_field_val as $ind => $value ) {
				$cf_fields_group = $this->add_single_custom_field_content( $cf_fields_group, $custom_field, $custom_field_index . '-' . str_replace( '-', ':::', $ind ), $value );
			}
		}

		return $cf_fields_group;

	}

	public function add_single_custom_field_content_value( $element_data, $custom_field, $custom_field_index, $custom_field_val, $trnsl_custom_field_value ) {

		if ( is_scalar( $custom_field_val ) ) {
			$key_index                          = $custom_field . '-' . $custom_field_index;
			$cf                                 = 'field-' . $key_index;
			$element_data[ $cf ]                = [ 'original' => $custom_field_val ];
			$element_data[ $cf ]['translation'] = ( $trnsl_custom_field_value ) ?: '';

		} else {
			foreach ( $custom_field_val as $ind => $value ) {
				$translated_value = $trnsl_custom_field_value[ $ind ] ?? '';
				$element_data     = $this->add_single_custom_field_content_value( $element_data, $custom_field, $custom_field_index . '-' . str_replace( '-', ':::', $ind ), $value, $translated_value );
			}
		}

		return $element_data;

	}

	public function add_custom_fields_ui_section( $custom_fields_section, $custom_fields, $variation_id ) {

		foreach ( $custom_fields as $custom_field ) {

			if ( $this->get_custom_field_values( $variation_id, $custom_field ) ) {

				$custom_field_id = $custom_field . $variation_id;

				if ( key( $this->data[ $custom_field_id ] ) !== 'original' ) {
					$group = new WPML_Editor_UI_Field_Group( $this->get_product_custom_field_label( $custom_field, $variation_id ), true );
					foreach ( $this->data[ $custom_field_id ] as $custom_field_key => $custom_field_array ) {
						if ( '_variation_description' === $custom_field ) {
							$custom_field_input = new WPML_Editor_UI_TextArea_Field( $custom_field_key, '', $this->data[ $custom_field_id ], false );
						} else {
							$custom_field_input = new WPML_Editor_UI_Single_Line_Field( $custom_field_key, '', $this->data[ $custom_field_id ], false );
						}

						$group->add_field( $custom_field_input );
					}
					$custom_fields_section->add_field( $group );
				} else {
					if ( '_variation_description' === $custom_field ) {
						$custom_field_input = new WPML_Editor_UI_TextArea_Field( $custom_field_id, $this->get_product_custom_field_label( $custom_field, $variation_id ), $this->data, true );
					} else {
						$custom_field_input = new WPML_Editor_UI_Single_Line_Field( $custom_field_id, $this->get_product_custom_field_label( $custom_field, $variation_id ), $this->data, true );
					}
					$custom_fields_section->add_field( $custom_field_input );
				}
			}
		}

	}

	/**
	 * @return array
	 */
	public function get_data() {
		$trn_product_id = apply_filters( 'wpml_object_id', $this->product_id, 'product', false, $this->get_target_language() );
		$translation    = false;
		if ( null !== $trn_product_id ) {
			$translation = get_post( $trn_product_id );
		}

		$element_data = [
			'title'           => [ 'original' => $this->original_post->post_title ],
			'slug'            => [ 'original' => urldecode( $this->original_post->post_name ) ],
			'product_excerpt' => [ 'original' => $this->original_post->post_excerpt ],
			'_purchase_note'  => [ 'original' => get_post_meta( $this->product_id, '_purchase_note', true ) ],
		];

		if ( $translation ) {
			$element_data['title']['translation']           = $translation->post_title;
			$element_data['slug']['translation']            = urldecode( $translation->post_name );
			$element_data['product_excerpt']['translation'] = $translation->post_excerpt;
			$element_data['_purchase_note']['translation']  = get_post_meta( $translation->ID, '_purchase_note', true );
		}

		if ( $this->woocommerce_wpml->page_builders->get_page_builders_string_packages( $this->product_id ) ) {
			$element_data = $this->woocommerce_wpml->page_builders->page_builders_data( $element_data, $this->product_id, $this->get_target_language() );
		} else {
			$element_data['product_content'] = [
				'original' => $this->original_post->post_content,
			];
			if ( $translation ) {
				$element_data['product_content']['translation'] = $translation->post_content;
			}
		}

		foreach ( $this->product_images_ids as $image_id ) {
			/** @var stdClass */
			$attachment_data = $this->wpdb->get_row( $this->wpdb->prepare( "SELECT post_title, post_excerpt, post_content FROM {$this->wpdb->posts} WHERE ID = %d", $image_id ) );
			if ( ! is_object( $attachment_data ) ) {
				continue;
			}
			$alt_text = get_post_meta( $image_id, '_wp_attachment_image_alt', true );
			$alt_text = $alt_text ?: '';
			$element_data[ 'image-id-' . $image_id . '-title' ]       = [ 'original' => $attachment_data->post_title ];
			$element_data[ 'image-id-' . $image_id . '-caption' ]     = [ 'original' => $attachment_data->post_excerpt ];
			$element_data[ 'image-id-' . $image_id . '-description' ] = [ 'original' => $attachment_data->post_content ];
			$element_data[ 'image-id-' . $image_id . '-alt-text' ]    = [ 'original' => $alt_text ];

			$trnsl_prod_image = apply_filters( 'wpml_object_id', $image_id, 'attachment', false, $this->get_target_language() );
			if ( null !== $trnsl_prod_image ) {
				/** @var stdClass */
				$trnsl_attachment_data = $this->wpdb->get_row( $this->wpdb->prepare( "SELECT post_title,post_excerpt,post_content FROM {$this->wpdb->posts} WHERE ID = %d", $trnsl_prod_image ) );
				$alt_text              = get_post_meta( $trnsl_prod_image, '_wp_attachment_image_alt', true );
				$alt_text              = $alt_text ?: '';
				$element_data[ 'image-id-' . $image_id . '-title' ]['translation']       = $trnsl_attachment_data->post_title;
				$element_data[ 'image-id-' . $image_id . '-caption' ]['translation']     = $trnsl_attachment_data->post_excerpt;
				$element_data[ 'image-id-' . $image_id . '-description' ]['translation'] = $trnsl_attachment_data->post_content;
				$element_data[ 'image-id-' . $image_id . '-alt-text' ]['translation']    = $alt_text;
			}
		}

		$attributes = $this->get_custom_product_atributes();
		if ( $attributes ) {
			foreach ( $attributes as $attr_key => $attribute ) {
				$element_data[ $attr_key . '_name' ] = [ 'original' => $attribute['name'] ];
				$element_data[ $attr_key ]           = [ 'original' => $attribute['value'] ];

				$trn_attribute = $this->woocommerce_wpml->attributes->get_custom_attribute_translation( $this->product_id, $attr_key, $attribute, $this->get_target_language() );

				$element_data[ $attr_key . '_name' ]['translation'] = $this->get_array_item( $trn_attribute, 'name' );
				$element_data[ $attr_key ]['translation']           = $this->get_array_item( $trn_attribute, 'value' );
			}
		}

		$element_data = $this->add_taxonomies_to_element_data( $element_data );

		$element_data = $this->add_custom_field_to_element_data( $element_data, $this->product_id, $translation->ID ?? false, false );

		if ( $this->product_is_variable ) {
			$variations = $this->woocommerce_wpml->sync_variations_data->get_product_variations( $this->product_id );

			if ( ! empty( $variations ) ) {
				foreach ( $variations as $variation ) {
					$element_data[ '_variation_description' . $variation->ID ] = [ 'original' => strip_tags( get_post_meta( $variation->ID, '_variation_description', true ) ) ];
					$translated_variation_id                                   = apply_filters( 'wpml_object_id', $variation->ID, 'product_variation', false, $this->get_target_language() );
					$element_data[ '_variation_description' . $variation->ID ]['translation'] = $translated_variation_id ? get_post_meta( $translated_variation_id, '_variation_description', true ) : '';

					$element_data = $this->add_custom_field_to_element_data( $element_data, $variation->ID, $translated_variation_id, true );
				}
			}
		}

		foreach ( $this->product_downloadable_files as $post_id => $file_data ) {
			$orig_product_files  = $file_data;
			$trnsl_product_files = [];
			if ( $this->product_is_variable ) {
				$trnsl_variation_id = apply_filters( 'wpml_object_id', $post_id, 'product_variation', false, $this->get_target_language() );
				if ( $trnsl_variation_id ) {
					$trnsl_product_files = $this->woocommerce_wpml->downloadable->get_files_data( $trnsl_variation_id );
				}
			} elseif ( isset( $translation->ID ) && $translation->ID ) {
				$trnsl_product_files = $this->woocommerce_wpml->downloadable->get_files_data( $translation->ID );
			}

			foreach ( $orig_product_files as $key => $product_file ) {
				$element_data[ 'file-name' . $key . $post_id ] = [ 'original' => $product_file['label'] ];
				$element_data[ 'file-url' . $key . $post_id ]  = [ 'original' => $product_file['value'] ];

				$element_data[ 'file-name' . $key . $post_id ]['translation'] = isset( $trnsl_product_files[ $key ] ) ? $trnsl_product_files[ $key ]['label'] : '';
				$element_data[ 'file-url' . $key . $post_id ]['translation']  = isset( $trnsl_product_files[ $key ] ) ? $trnsl_product_files[ $key ]['value'] : '';
			}
		}

		$element_data = apply_filters( 'wcml_gui_additional_box_data', $element_data, $this->product_id, $translation, $this->get_target_language() );

		return $element_data;
	}

	/**
	 * @param array  $array
	 * @param string $key
	 *
	 * @return string
	 */
	private function get_array_item( $array, $key ) {
		return isset( $array[ $key ] ) && $array[ $key ] ? $array[ $key ] : '';
	}

	public function add_taxonomies_to_element_data( $element_data ) {

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

		foreach ( $taxonomies as $taxonomy => $taxonomy_obj ) {
			if ( $this->woocommerce_wpml->terms->is_translatable_wc_taxonomy( $taxonomy ) && is_taxonomy_translated( $taxonomy ) ) {
				$product_terms = wp_get_post_terms( $this->product_id, $taxonomy );
				if ( ! is_wp_error( $product_terms ) ) {
					foreach ( $product_terms as $term ) {
						$translated_term = $this->woocommerce_wpml->terms->wcml_get_translated_term( $term->term_id, $taxonomy, $this->get_target_language() );
						if (
							$this->sitepress->get_setting( 'tm_block_retranslating_terms' ) &&
							$translated_term->term_taxonomy_id != $term->term_taxonomy_id
						) {
							continue;
						}

						$element_data[ 't_' . $term->term_taxonomy_id ]                = [ 'original' => htmlspecialchars_decode( $term->name ) ];
						$element_data[ 't_' . $term->term_taxonomy_id ]['translation'] = $translated_term->term_taxonomy_id != $term->term_taxonomy_id ? $translated_term->name : '';
					}
				}
			}
		}

		return $element_data;
	}

	public function add_custom_field_to_element_data( $element_data, $element_id, $translation_id, $is_variation = false ) {
		$custom_fields = $this->get_product_custom_fields_to_translate( $element_id );
		if ( $custom_fields ) {
			foreach ( $custom_fields as $custom_field ) {
				$orig_custom_field_values      = get_post_meta( $element_id, $custom_field );
				$translated_custom_field_value = [];
				$trnsl_mid_ids                 = [];

				if ( $translation_id ) {
					$translated_custom_field_value = get_post_meta( $translation_id, $custom_field );
					$trnsl_mid_ids                 = $this->woocommerce_wpml->products->get_mid_ids_by_key( $translation_id, $custom_field );
				}

				$data_custom_field_key = $custom_field;
				if ( $is_variation ) {
					$data_custom_field_key .= $element_id;
				}

				foreach ( $orig_custom_field_values as $val_key => $orig_custom_field_value ) {

					if ( $this->check_custom_field_is_single_value( $element_id, $custom_field ) ) {

						if ( count( $orig_custom_field_values ) == 1 ) {
							$element_data[ $data_custom_field_key ]                = [ 'original' => $orig_custom_field_value ];
							$element_data[ $data_custom_field_key ]['translation'] = ( $translation_id && isset( $translated_custom_field_value[ $val_key ] ) ) ? $translated_custom_field_value[ $val_key ] : '';
						} else {

							$custom_field_key = $data_custom_field_key . ':' . ( $trnsl_mid_ids[ $val_key ] ?? 'new_' . $val_key );

							$element_data[ $data_custom_field_key ][ $custom_field_key ]                = [ 'original' => $orig_custom_field_value ];
							$element_data[ $data_custom_field_key ][ $custom_field_key ]['translation'] = ( $translation_id && isset( $translated_custom_field_value[ $val_key ] ) ) ? $translated_custom_field_value[ $val_key ] : '';
						}
					} else {

						$custom_fields            = $this->get_custom_field_values( $element_id, $custom_field );
						$translated_custom_fields = [];

						if ( $custom_fields ) {

							if ( $translation_id ) {
								$translated_custom_fields = $this->get_custom_field_values( $translation_id, $custom_field );
							}

							$i = 0;
							foreach ( array_filter( $custom_fields ) as $key => $field_value ) {
								$translated_custom_field_value = $translated_custom_fields[ $key ] ?? '';
								$element_data                  = $this->add_single_custom_field_content_value( $element_data, $data_custom_field_key, $i, $field_value, $translated_custom_field_value );
								$i ++;
							}
						}
					}
				}
			}
		}

		return $element_data;
	}

	/**
	 * @param array $translations
	 *
	 * @todo Port the pending synchronization methods, as they are focused on saving data and nos synchronizing it.
	 * @todo Unify how we access and execute the synchronization API, we might want to have a dedicated entry point.
	 */
	public function save_translations( $translations ) {
		/** @var TranslationManagement $iclTranslationManagement */
		global $iclTranslationManagement;

		$return = [];

		if ( $this->original_post->post_type !== 'product' ) {
			return $return;
		}

	    $active_languages = $this->sitepress->get_active_languages();

		$product_trid  = $this->sitepress->get_element_trid( $this->product_id, 'post_' . $this->original_post->post_type );
		$tr_product_id = apply_filters( 'wpml_object_id', $this->product_id, 'product', false, $this->get_target_language() );

		new WCML_Editor_Save_Filters( $product_trid, $this->get_target_language() );

		if ( null === $tr_product_id ) {

			// insert new post.
			$args                 = [];
			$args['post_title']   = $translations[ md5( 'title' ) ];
			$args['post_name']    = $translations[ md5( 'slug' ) ] ?? '';
			$args['post_type']    = $this->original_post->post_type;
			$args['post_content'] = $translations[ md5( 'product_content' ) ] ?? '';
			$args['post_excerpt'] = $translations[ md5( 'product_excerpt' ) ];

			if ( ! $args['post_title'] && ! $args['post_content'] && ! $args['post_excerpt'] ) {
				return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );
			}

			$args['post_author']    = $this->original_post->post_author;
			$args['post_status']    = $this->original_post->post_status;
			$args['menu_order ']    = $this->original_post->menu_order;
			$args['ping_status']    = $this->original_post->ping_status;
			$args['comment_status'] = $this->original_post->comment_status;
			$product_parent         = apply_filters( 'wpml_object_id', $this->original_post->post_parent, 'product', false, $this->get_target_language() );
			$args['post_parent']    = null === $product_parent ? 0 : $product_parent;

			// TODO: remove after change required WPML version > 3.3.
			$_POST['to_lang'] = $this->get_target_language();
			// for WPML > 3.3.
			$_POST['icl_post_language'] = $this->get_target_language();

			if ( $this->woocommerce_wpml->settings['products_sync_date'] ) {
				$args['post_date'] = $this->original_post->post_date;
			}

			$this->sitepress->switch_lang( $this->get_target_language() );

			$tr_product_id = wp_insert_post( $args );

			$this->sitepress->switch_lang(); // switch back.

			$translation_id = $this->wpdb->get_var(
				$this->wpdb->prepare(
					"SELECT translation_id
                 FROM {$this->wpdb->prefix}icl_translations
                 WHERE element_type=%s AND trid=%d AND language_code=%s AND element_id IS NULL ",
					'post_product',
					$product_trid,
					$this->get_target_language()
				)
			);

			if ( $translation_id ) {
				$this->wpdb->query(
					$this->wpdb->prepare(
						"DELETE FROM {$this->wpdb->prefix}icl_translations WHERE element_id=%d AND trid=%d",
						$tr_product_id,
						$product_trid
					)
				);

				$this->wpdb->update( $this->wpdb->prefix . 'icl_translations', [ 'element_id' => $tr_product_id ], [ 'translation_id' => $translation_id ] );
			} else {
				$this->sitepress->set_element_language_details( $tr_product_id, 'post_' . $this->original_post->post_type, $product_trid, $this->get_target_language() );
			}
		} else {
			// update post.
			$args                   = [];
			$args['ID']             = $tr_product_id;
			$args['post_title']     = $translations[ md5( 'title' ) ];
			$args['post_content']   = $translations[ md5( 'product_content' ) ] ?? '';
			$args['post_excerpt']   = $translations[ md5( 'product_excerpt' ) ];
			$args['post_author']    = $this->original_post->post_author;
			$args['post_status']    = $this->original_post->post_status;
			$args['ping_status']    = $this->original_post->ping_status;
			$args['comment_status'] = $this->original_post->comment_status;
			$product_parent         = apply_filters( 'wpml_object_id', $this->original_post->post_parent, 'product', false, $this->get_target_language() );
			$args['post_parent']    = null === $product_parent ? 0 : $product_parent;
			$_POST['to_lang']       = $this->get_target_language();

			$this->sitepress->switch_lang( $this->get_target_language() );
			wp_update_post( $args );
			$this->sitepress->switch_lang();

			$post_name = $this->wpdb->get_var( $this->wpdb->prepare( "SELECT post_name FROM {$this->wpdb->posts} WHERE ID=%d", $tr_product_id ) );
			if ( isset( $translations[ md5( 'slug' ) ] ) && $translations[ md5( 'slug' ) ] !== $post_name ) {
				// update post_name.
				// need set POST variable ( WPML used them when filtered this function).
				$new_post_name      = sanitize_title( $translations[ md5( 'slug' ) ] ?: $translations[ md5( 'title' ) ] );
				$_POST['new_title'] = $translations[ md5( 'title' ) ];
				$_POST['new_slug']  = $new_post_name;
				$new_slug           = wp_unique_post_slug( $new_post_name, $tr_product_id, $this->original_post->post_status, $this->original_post->post_type, $args['post_parent'] );

				wp_update_post(
					[
						'ID'        => $tr_product_id,
						'post_name' => $new_slug,
					]
				);
			}

			$this->sitepress->set_element_language_details( $tr_product_id, 'post_' . $this->original_post->post_type, $product_trid, $this->get_target_language() );
		}

		$product_translations = $this->sitepress->get_element_translations( $product_trid, 'post_product', false, false, true );
		
		
		
		$post                  = $this->original_post;
		$translationsIds       = [ $tr_product_id ];
		$translationsLanguages = [ $tr_product_id => $this->get_target_language() ];

		do_action( 'wcml_before_sync_product_data', $this->product_id, $tr_product_id, $this->get_target_language() );

		// ===================================================================== //
		// ====================== Saving and syncing data ====================== //
		// ===================================================================== //

		// TODO Port here as a saving method, as it does not only sync data.
		$this->woocommerce_wpml->sync_product_data->duplicate_product_post_meta( $this->product_id, $tr_product_id, $translations );

		$this->woocommerce_wpml->page_builders->save_page_builders_strings( $translations, $this->product_id, $this->get_target_language() );
		$this->save_translated_terms();

		do_action( \WCML\Synchronization\Hooks::HOOK_SYNCHRONIZE_PRODUCT_COMPONENT, $this->original_post, $translationsIds, $translationsLanguages, \WCML\Synchronization\Store::COMPONENT_TAXONOMIES );

		// Stay, this is unique to this flow., and used by multiple third-parties compatibility classes
		do_action( 'wcml_update_extra_fields', $this->product_id, $tr_product_id, $translations, $this->get_target_language() );

		// TODO Port here as a saving method, as it does not only sync data. Heavily related to \WCML\Synchronization\Store::COMPONENT_ATTRIBUTES.
		$this->woocommerce_wpml->attributes->sync_product_attr( $this->product_id, $tr_product_id, $this->get_target_language(), $translations );
		$this->woocommerce_wpml->attributes->sync_default_product_attr( $this->product_id, $tr_product_id, $this->get_target_language() );

		// TODO Port here as a saving method, as it does not only sync data. Heavily related to \WCML\Synchronization\Store::COMPONENT_VARIATIONS.
		// TODO Note that the legacy method is managing the custom fields when saved from the variation translation, see the duplicate_variation_data method. 
		// TODO Note that the legacy method is managing the _variation_description meta field. 
		// TODO Note that the legacy method is managing the downloadable fields data from the translation editor. 
		$this->woocommerce_wpml->sync_variations_data->sync_product_variations(
			$this->product_id,
			$tr_product_id,
			$this->get_target_language(),
			[
				'editor_translations' => $translations,
				'is_troubleshooting'  => true,
			]
		);

		do_action( \WCML\Synchronization\Hooks::HOOK_SYNCHRONIZE_PRODUCT_COMPONENT, $this->original_post, $translationsIds, $translationsLanguages, \WCML\Synchronization\Store::COMPONENT_LINKED );
		do_action( \WCML\Synchronization\Hooks::HOOK_SYNCHRONIZE_PRODUCT_COMPONENT, $this->original_post, $translationsIds, $translationsLanguages, \WCML\Synchronization\Store::COMPONENT_STOCK );
		do_action( \WCML\Synchronization\Hooks::HOOK_SYNCHRONIZE_PRODUCT_COMPONENT, $this->original_post, $translationsIds, $translationsLanguages, \WCML\Synchronization\Store::COMPONENT_ATTACHMENTS );

		// save images texts.
		if ( $this->product_images_ids ) {
			foreach ( $this->product_images_ids as $image_id ) {
				$trnsl_prod_image = apply_filters( 'wpml_object_id', $image_id, 'attachment', false, $this->get_target_language() );

				if ( ! $trnsl_prod_image ) {
					$trnsl_prod_image = $this->woocommerce_wpml->media->create_base_media_translation( $image_id, $this->product_id, $this->get_target_language() );
				}

				// update image texts.
				$this->wpdb->update(
					$this->wpdb->posts,
					[
						'post_title'   => $translations[ md5( 'image-id-' . $image_id . '-title' ) ],
						'post_content' => $translations[ md5( 'image-id-' . $image_id . '-description' ) ],
						'post_excerpt' => $translations[ md5( 'image-id-' . $image_id . '-caption' ) ],
					],
					[ 'id' => $trnsl_prod_image ]
				);

				if ( isset( $translations[ md5( 'image-id-' . $image_id . '-alt-text' ) ] ) ) {
					update_post_meta( $trnsl_prod_image, '_wp_attachment_image_alt', $translations[ md5( 'image-id-' . $image_id . '-alt-text' ) ] );
				}
			}
		}

		// ===================================================================== //

		do_action( 'wcml_after_sync_product_data', $this->product_id, $tr_product_id, $this->get_target_language() );

		if ( $product_translations ) {
			$iclTranslationManagement->update_translation_status(
				[
					'status'         => $this->is_translation_complete() ? ICL_TM_COMPLETE : ICL_TM_IN_PROGRESS,
					'needs_update'   => 0,
					'translation_id' => $product_translations[ $this->get_target_language() ]->translation_id,
					'translator_id'  => get_current_user_id(),
				]
			);
		}

		if ( ob_get_length() > 0 ) {
			ob_clean();
		}
		ob_start();

		$this->woocommerce_wpml->products->get_translation_statuses(
			$this->product_id,
			$product_translations,
			$active_languages,
			isset( $translations['slang'] )
																															&& $translations['slang']
																															   !== 'all' ? $translations['slang'] : false,
			$product_trid,
			$this->get_target_language()
		);
		$return['status_link'] = ob_get_clean();

		// no longer a duplicate.
		delete_post_meta( $tr_product_id, '_icl_lang_duplicate_of', $this->product_id );

		return $return;

	}

	private function save_translated_terms() {
		$job_data = [];
		parse_str( $_POST['data'], $job_data );

		foreach ( $job_data['fields'] as $field_key => $field ) {
			if ( substr( $field_key, 0, 2 ) === 't_' ) {
				$update = [];
				if ( isset( $field['data'] ) ) {
					$update['field_data_translated'] = class_exists( FieldCompression::class ) ?
						FieldCompression::compress( $field['data'], false ) :
						base64_encode( $field['data'] );

					$update['field_finished'] = 1;

					$this->wpdb->update(
						$this->wpdb->prefix . 'icl_translate',
						$update,
						[ 'field_type' => $field_key ]
					);
				}
			}
		}

		$job = new WPML_Post_Translation_Job( $job_data['job_id'] );
		$job->save_terms_to_post();
	}

	public function get_custom_product_atributes() {
		$attributes = get_post_meta( $this->product_id, '_product_attributes', true );
		if ( ! is_array( $attributes ) ) {
			$attributes = [];
		}

		foreach ( $attributes as $key => $attribute ) {
			if ( $attribute['is_taxonomy'] ) {
				unset( $attributes[ $key ] );
			}
		}

		return $attributes;
	}

	/**
	 * Get product content labels.
	 *
	 * @param string    $field
	 * @param int|false $variation_id
	 *
	 * @return string|false
	 */
	public function get_product_custom_field_label( $field, $variation_id = false ) {
		global $sitepress;
		$settings = $sitepress->get_settings();
		$label    = '';
		if ( isset( $settings['translation-management']['custom_fields_translation'][ $field ] ) && WPML_TRANSLATE_CUSTOM_FIELD === (int) $settings['translation-management']['custom_fields_translation'][ $field ] ) {
			if ( in_array( $field, apply_filters( 'wcml_not_display_single_fields_to_translate', $this->not_display_fields_for_variables_product ), true ) ) {
				return false;
			}

			if ( in_array( $field, apply_filters( 'wcml_do_not_display_custom_fields_for_product', $this->not_display_custom_fields_for_product ), true ) ) {
				return false;
			}

			$custom_key_label = apply_filters( 'wcml_product_content_label', $field, $this->product_id );
			if ( $custom_key_label !== $field ) {
				$label = $custom_key_label;
				return $label;
			}

			$custom_key_label = str_replace( '_', ' ', $field );
			$label            = trim( $custom_key_label[0] ) ? ucfirst( $custom_key_label ) : ucfirst( substr( $custom_key_label, 1 ) );

			if ( $variation_id ) {
				$label .= ' #' . $variation_id;
			}
		}

		return $label;
	}

	/**
	 * @return array
	 *
	 * @deprecated Use \WCML_Downloadable_Products::getDownloadableFiles
	 */
	public function get_files_for_variations() {
		return $this->woocommerce_wpml->downloadable->getDownloadableFiles( $this->product );
	}

	/**
	 * Get product fields to translate.
	 *
	 * Executed for the product being translated, and for each of its variations, if it is a variable product.
	 *
	 * Triggered twice: when collecting general data and when adding elements to the GUI;
	 * because of that, we will store the resulting fields keys per product ID.
	 *
	 * @param int $product_id
	 *
	 * @return array
	 *
	 * @todo The condition check_custom_field_is_single_value might not make sense:
	 * - This general discard is done on get_product_custom_field_label without any condition.
	 * - Lists do not match simple/variable product fields, regardless the property names.
	 * - None of the fields in both lists seem to appear on CTE anyway.
	 */
	public function get_product_custom_fields_to_translate( $product_id ) {
		if ( array_key_exists( $product_id, $this->product_fields ) ) {
			return $this->product_fields[ $product_id ];
		}

		$settings = $this->sitepress->get_settings();
		$contents = [];
		foreach ( get_post_custom_keys( $product_id ) as $meta_key ) {
			if ( isset( $settings['translation-management']['custom_fields_translation'][ $meta_key ] ) && WPML_TRANSLATE_CUSTOM_FIELD === (int) $settings['translation-management']['custom_fields_translation'][ $meta_key ] ) {
				if ( $this->check_custom_field_is_single_value( $product_id, $meta_key ) ) {
					if ( in_array( $meta_key, apply_filters( 'wcml_not_display_single_fields_to_translate', $this->not_display_fields_for_variables_product ), true ) ) {
						continue;
					}
				} elseif ( in_array( $meta_key, apply_filters( 'wcml_do_not_display_custom_fields_for_product', $this->not_display_custom_fields_for_product ), true ) ) {
					continue;
				}
				$contents[] = $meta_key;
			}
		}
		$this->product_fields[ $product_id ] = apply_filters( 'wcml_product_content_fields', $contents, $product_id );
		return $this->product_fields[ $product_id ];
	}

	public function check_custom_field_is_single_value( $product_id, $meta_key ) {

		if ( is_array( $this->get_custom_field_values( $product_id, $meta_key ) ) ) {
			return false;
		} else {
			return apply_filters( 'wcml_check_is_single', true, $product_id, $meta_key );
		}
	}

	public function requires_translation_complete_for_each_field() {
		return false;
	}

	public function display_hide_completed_switcher() {
		return false;
	}

	public function is_hide_empty_fields() {
		return false;
	}

	public function show_media_button() {
		return true;
	}

	/**
	 * @param int    $product_id
	 * @param string $field_key
	 *
	 * @return array|string
	 */
	private function get_custom_field_values( $product_id, $field_key ) {
		$maybe_double_unserialize = function ( $value ) {
			return maybe_unserialize( $value );
		};

		$values = array_map(
			$maybe_double_unserialize,
			array_filter( get_post_meta( $product_id, $field_key ) )
		);

		return count( $values ) === 1 ? $values[0] : $values;
	}

}
