<?php

class WCML_Adventure_tours {

	/**
	 * @var woocommerce_wpml
	 */
	private $woocommerce_wpml;
	/**
	 * @var SitePress
	 */
	private $sitepress;

	/**
	 * @var WPML_Element_Translation_Package
	 */
	private $tp;

	/**
	 * WCML_Adventure_tours constructor.
	 *
	 * @param woocommerce_wpml                 $woocommerce_wpml
	 * @param SitePress                        $sitepress
	 * @param WPML_Element_Translation_Package $tp
	 */
	public function __construct( woocommerce_wpml $woocommerce_wpml, SitePress $sitepress, WPML_Element_Translation_Package $tp ) {
		$this->woocommerce_wpml = $woocommerce_wpml;
		$this->sitepress        = $sitepress;
		$this->tp               = $tp;
	}

	public function add_hooks() {
		add_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10, 4 );
		add_filter( 'get_post_metadata', [ $this, 'product_price_filter' ], 9, 4 );
		add_action( 'wpml_translation_job_saved', [ $this, 'save_tour_data_translation' ], 10, 3 );

		if ( is_admin() ) {

			add_action( 'wcml_gui_additional_box_html', [ $this, 'custom_box_html' ], 10, 3 );
			add_filter( 'wcml_gui_additional_box_data', [ $this, 'custom_box_html_data' ], 10, 4 );
			add_action( 'wcml_update_extra_fields', [ $this, 'tour_data_update' ], 10, 3 );

			add_filter( 'wpml_tm_translation_job_data', [ $this, 'append_tour_data_translation_package' ], 10, 2 );

			add_action( 'admin_footer', [ $this, 'load_assets' ] );
			add_action( 'wcml_after_custom_prices_block', [ $this, 'add_custom_prices_block' ] );
			add_action( 'wcml_after_save_custom_prices', [ $this, 'save_custom_costs' ] );

			add_filter( 'wcml_is_variable_product', [ $this, 'is_variable_tour' ], 10, 2 );
			add_filter( 'wcml_variation_term_taxonomy_ids', [ $this, 'add_tour_tax_id' ] );
			add_filter( 'wcml_is_attributes_page', [ $this, 'is_attributes_page' ] );
			add_filter( 'wcml_is_attributes_page', [ $this, 'is_attributes_page' ] );

			add_filter(
				'wcml_do_not_display_custom_fields_for_product',
				[
					$this,
					'replace_tm_editor_custom_fields_with_own_sections',
				]
			);
		}
	}


	public function sync_tour_data_across_translations( $meta_id, $post_id, $meta_key, $tour_tabs_meta ) {
		if ( 'tour_tabs_meta' !== $meta_key ) {
			return false;
		}

		$post = get_post( $post_id );

		// Skip auto-drafts // skip autosave.
		if ( 'auto-draft' === $post->post_status || isset( $_POST['autosave'] ) ) {
			return false;
		}

		if ( 'product' === $post->post_type ) {

			remove_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10 );

			$original_product_id = $post_id;
			if ( ! $this->woocommerce_wpml->products->is_original_product( $post_id ) ) {
				$original_product_language = $this->woocommerce_wpml->products->get_original_product_language( $post_id );
				$original_product_id       = apply_filters( 'translate_object_id', $post_id, 'product', true, $original_product_language );
			}

			$product_trid         = $this->sitepress->get_element_trid( $original_product_id, 'post_product' );
			$product_translations = $this->sitepress->get_element_translations( $product_trid, 'post_product' );

			foreach ( $product_translations as $product_translation ) {

				if ( empty( $product_translation->original ) ) {

					$trnsl_tour_tabs_meta = get_post_meta( $product_translation->element_id, 'tour_tabs_meta', true );

					$trnsl_tour_tabs_meta['tour_badge'] = $tour_tabs_meta['tour_badge'];

					update_post_meta( $product_translation->element_id, 'tour_tabs_meta', $trnsl_tour_tabs_meta );

				}
			}

			add_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10, 4 );

		}

	}

	public function custom_box_html( $obj, $product_id, $data ) {

		if ( $tour_tabs_meta = get_post_meta( $product_id, 'tour_tabs_meta', true ) ) {

			$tour_section = new WPML_Editor_UI_Field_Section( __( 'Tour Data', 'woocommerce-multilingual' ) );

			$divider = true;

			foreach ( $tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {

				$group           = new WPML_Editor_UI_Field_Group( '', $divider );
				$composite_field = new WPML_Editor_UI_Single_Line_Field( 'adventure_tour_' . $tour_tab_id . '_title', __( 'Title', 'woocommerce-multilingual' ), $data, false );
				$group->add_field( $composite_field );
				$composite_field = new WPML_Editor_UI_Single_Line_Field( 'adventure_tour_' . $tour_tab_id . '_content', __( 'Content', 'woocommerce-multilingual' ), $data, false );
				$group->add_field( $composite_field );
				$tour_section->add_field( $group );

			}

			if ( ! empty( $tour_tabs_meta['tabs'] ) ) {
				$obj->add_field( $tour_section );
			}
		}

	}

	public function custom_box_html_data( $data, $product_id, $translation, $lang ) {

		if ( $tour_tabs_meta = get_post_meta( $product_id, 'tour_tabs_meta', true ) ) {

			foreach ( $tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {
				$data[ 'adventure_tour_' . $tour_tab_id . '_title' ]   = [ 'original' => $tour_tab_meta['title'] ];
				$data[ 'adventure_tour_' . $tour_tab_id . '_content' ] = [ 'original' => $tour_tab_meta['content'] ];
			}

			if ( $translation ) {
				$translated_tour_tabs_meta = get_post_meta( $translation->ID, 'tour_tabs_meta', true );

				if ( $translated_tour_tabs_meta ) {
					foreach ( $translated_tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {
						$data[ 'adventure_tour_' . $tour_tab_id . '_title' ]['translation']   = $tour_tab_meta['title'];
						$data[ 'adventure_tour_' . $tour_tab_id . '_content' ]['translation'] = $tour_tab_meta['content'];
					}
				}
			}
		}

		return $data;
	}

	public function tour_data_update( $original_product_id, $product_id, $data ) {

		$tour_tabs_meta = get_post_meta( $original_product_id, 'tour_tabs_meta', true );

		if ( isset( $tour_tabs_meta['tabs'] ) && is_array( $tour_tabs_meta['tabs'] ) ) {
			foreach ( $tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {

				if ( ! empty( $data[ md5( 'adventure_tour_' . $tour_tab_id . '_title' ) ] ) ) {
					$tour_tabs_meta['tabs'][ $tour_tab_id ]['title'] = $data[ md5( 'adventure_tour_' . $tour_tab_id . '_title' ) ];
				}

				if ( ! empty( $data[ md5( 'adventure_tour_' . $tour_tab_id . '_content' ) ] ) ) {
					$tour_tabs_meta['tabs'][ $tour_tab_id ]['content'] = $data[ md5( 'adventure_tour_' . $tour_tab_id . '_content' ) ];
				}
			}
			remove_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10 );

			update_post_meta( $product_id, 'tour_tabs_meta', $tour_tabs_meta );

			add_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10, 4 );
		}

	}

	public function append_tour_data_translation_package( $package, $post ) {

		if ( 'product' === $post->post_type ) {

			$tour_tabs_meta = get_post_meta( $post->ID, 'tour_tabs_meta', true );

			if ( $tour_tabs_meta ) {

				$fields = [ 'title', 'content' ];

				foreach ( $tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {

					foreach ( $fields as $field ) {
						if ( ! empty( $tour_tab_meta[ $field ] ) ) {

							$package['contents'][ 'wc_adventure_tour:' . $tour_tab_id . ':' . $field ] = [
								'translate' => 1,
								'data'      => $this->tp->encode_field_data( $tour_tab_meta[ $field ], 'base64' ),
								'format'    => 'base64',
							];

						}
					}
				}
			}
		}

		return $package;

	}

	public function save_tour_data_translation( $post_id, $data, $job ) {

		$translated_tour_data = [];
		foreach ( $data as $value ) {

			if ( preg_match( '/wc_adventure_tour:([0-9]+):(.+)/', $value['field_type'], $matches ) ) {

				$tour_tab_id = $matches[1];
				$field       = $matches[2];

				$translated_tour_data[ $tour_tab_id ][ $field ] = $value['data'];

			}
		}

		if ( $translated_tour_data ) {

			$tour_tabs_meta = get_post_meta( $job->original_doc_id, 'tour_tabs_meta', true );

			foreach ( $tour_tabs_meta['tabs'] as $tour_tab_id => $tour_tab_meta ) {

				if ( isset( $translated_tour_data[ $tour_tab_id ]['title'] ) ) {
					$tour_tabs_meta['tabs'][ $tour_tab_id ]['title'] = $translated_tour_data[ $tour_tab_id ]['title'];
				}

				if ( isset( $translated_tour_data[ $tour_tab_id ]['content'] ) ) {
					$tour_tabs_meta['tabs'][ $tour_tab_id ]['content'] = $translated_tour_data[ $tour_tab_id ]['content'];
				}
			}

			remove_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10 );
			update_post_meta( $post_id, 'tour_tabs_meta', $tour_tabs_meta );
			add_action( 'updated_post_meta', [ $this, 'sync_tour_data_across_translations' ], 10, 4 );
		}

	}

	public function load_assets() {
		global $pagenow;

		if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) {
			wp_register_script( 'wcml-adventure-tours', WCML_PLUGIN_URL . '/compatibility/res/js/wcml-adventure-tours.js', [ 'jquery' ], WCML_VERSION, true );
			wp_enqueue_script( 'wcml-adventure-tours' );
		}
	}

	public function add_custom_prices_block( $product_id ) {

		if ( 'new' !== $product_id ) {
			$currencies            = $this->woocommerce_wpml->multi_currency->get_currencies();
			$tour_booking_periods  = get_post_meta( $product_id, 'tour_booking_periods', true );
			$custom_periods_prices = get_post_meta( $product_id, 'custom_booking_periods_prices', true );
			if ( $tour_booking_periods ) {
				foreach ( $tour_booking_periods as $per_key => $tour_booking_period ) {
					foreach ( $currencies as $key => $currency ) {

						$value = isset( $custom_periods_prices[ $per_key ][ $key ] ) ? $custom_periods_prices[ $per_key ][ $key ] : '';

						echo '<div class="wcml_custom_cost_field" data-tour="' . esc_html( $per_key ) . '" style="display: none;">';
						echo '<div>' . wp_kses_post( get_woocommerce_currency_symbol( $key ) ) . '</div>';
						echo '<input type="text" class="wc_input_price" style="width: 60px;" name="tour_spec_price[' . esc_html( $per_key ) . '][' . esc_html( $key ) . ']" value="' . esc_html( $value ) . '" />';
						echo '</div>';
					}
				}
			}

			echo '<div class="wcml_custom_cost_field_empty"  style="display: none;">';
				echo '<div></div>';
				echo '<input type="text" class="wc_input_price" style="width: 60px;" name="tour_spec_price" value="" />';
			echo '</div>';
		}
	}

	public function save_custom_costs( $post_id ) {

		$tour_spec_price = [];
		$currencies      = $this->woocommerce_wpml->multi_currency->get_currencies();

		if ( isset( $_POST['tour_spec_price'] ) && is_array( $_POST['tour_spec_price'] ) ) {

			foreach ( $_POST['tour_spec_price'] as $per_key => $costs ) {

				foreach ( $currencies as $code => $currency ) {

					$tour_spec_price[ $per_key ][ $code ] = $costs[ $code ];

				}
			}

			update_post_meta( $post_id, 'custom_booking_periods_prices', $tour_spec_price );
		}
	}

	public function product_price_filter( $value, $object_id, $meta_key, $single ) {

		if (
			$meta_key === 'tour_booking_periods' &&
			$this->woocommerce_wpml->settings['enable_multi_currency'] === WCML_MULTI_CURRENCIES_INDEPENDENT &&
			! is_admin() &&
			get_post_type( $object_id ) === 'product' &&
			( $currency = $this->woocommerce_wpml->multi_currency->get_client_currency() ) !== wcml_get_woocommerce_currency_option()
		) {

			remove_filter( 'get_post_metadata', [ $this, 'product_price_filter' ], 9 );

			$original_language = $this->woocommerce_wpml->products->get_original_product_language( $object_id );
			$original_product  = apply_filters( 'translate_object_id', $object_id, 'product', true, $original_language );

			if ( get_post_meta( $original_product, '_wcml_custom_prices_status' ) ) {
				$custom_periods_prices = get_post_meta( $object_id, 'custom_booking_periods_prices', true );
				$tours_data            = get_post_meta( $object_id, 'tour_booking_periods', true );
				if ( $tours_data ) {
					foreach ( $tours_data as $key => $periods ) {
						if ( isset( $custom_periods_prices[ $key ][ $currency ] ) ) {
							$tours_data[ $key ]['spec_price'] = $custom_periods_prices[ $key ][ $currency ];
						}
					}

					if ( $single ) {
						$value[0] = $tours_data;
					} else {
						$value = $tours_data;
					}
				}
			}
			add_filter( 'get_post_metadata', [ $this, 'product_price_filter' ], 9, 4 );
		}

		return $value;
	}

	public function add_tour_tax_id( $variation_term_taxonomy_ids ) {
		global $wpdb;
		$tour_taxonomy_id = $wpdb->get_var( "SELECT tt.term_taxonomy_id FROM {$wpdb->terms} AS t LEFT JOIN {$wpdb->term_taxonomy} AS tt ON t.term_id = tt.term_id WHERE t.name = 'tour' AND tt.taxonomy = 'product_type'" );

		if ( $tour_taxonomy_id ) {
			$variation_term_taxonomy_ids[] = $tour_taxonomy_id;
		}

		return $variation_term_taxonomy_ids;

	}

	public function is_variable_tour( $is_variable, $product_id ) {
		$var_tour_meta = get_post_meta( $product_id, '_variable_tour', true );

		if ( $is_variable && 'yes' === $var_tour_meta ) {
			$is_variable = true;
		} elseif ( 'no' === $var_tour_meta ) {
			$is_variable = false;
		}

		return $is_variable;
	}

	public function is_attributes_page( $is_attributes_page ) {

		if ( isset( $_GET['page'] ) && 'product_attributes_extended' === $_GET['page'] && isset( $_GET['post_type'] ) && 'product' === $_GET['post_type'] ) {
			$is_attributes_page = true;
		}

		return $is_attributes_page;
	}

	public function replace_tm_editor_custom_fields_with_own_sections( $fields ) {
		$fields[] = 'tour_tabs_meta';

		return $fields;
	}

}