<?php
/**
 * WPML support.
 *
 * @package Lazy Blocks
 */

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

/**
 * Class LazyBlocks_WPML
 */
class LazyBlocks_WPML {
	/**
	 * LazyBlocks_WPML constructor.
	 */
	public function __construct() {
		add_filter( 'wpml_config_array', array( $this, 'wpml_config_array' ) );
	}

	/**
	 * Convert controls to WPML data.
	 *
	 * @param Array  $controls - block controls.
	 * @param String $child_of - filter by child key.
	 *
	 * @return Array
	 */
	public function get_translated_controls_data( $controls, $child_of = '' ) {
		$translated_data = array();

		foreach ( $controls as $control_key => $control ) {
			if ( $child_of === $control['child_of'] ) {
				// Repeater control.
				if ( 'repeater' === $control['type'] ) {
					$translate_inner_controls = $this->get_translated_controls_data( $controls, $control_key );

					if ( ! empty( $translate_inner_controls ) ) {
						$translated_data[] = array(
							'value' => '',
							'attr'  => array(
								'name'     => $control['name'],
								'encoding' => 'json',
							),
							'key'   => array(
								'value' => '',
								'attr'  => array(
									'name' => '*',
								),
								'key'   => $translate_inner_controls,
							),
						);
					}

					// Regular control.
				} elseif ( isset( $control['translate'] ) && 'true' === $control['translate'] ) {
					$translated_data[] = array(
						'value' => '',
						'attr'  => array(
							'name' => $control['name'],
						),
					);
				}
			}
		}

		return $translated_data;
	}

	/**
	 * Prepare Lazy Blocks WPML configs for WMPL.
	 *
	 * @param Array $config - WPML config.
	 *
	 * @return Array
	 */
	public function wpml_config_array( $config ) {
		if ( ! isset( $config['wpml-config']['gutenberg-blocks']['gutenberg-block'] ) ) {
			return $config;
		}

		$lazy_blocks = lazyblocks()->blocks()->get_blocks();

		foreach ( $lazy_blocks as $block ) {
			$translated_controls = array();

			if ( ! empty( $block['controls'] ) ) {
				$translated_controls = $this->get_translated_controls_data( $block['controls'] );
			}

			if ( ! empty( $translated_controls ) ) {
				$config['wpml-config']['gutenberg-blocks']['gutenberg-block'][] = array(
					'value' => '',
					'attr'  => array(
						'type'      => $block['slug'],
						'translate' => '1',
					),
					'key'   => $translated_controls,
				);
			}
		}

		return $config;
	}
}

new LazyBlocks_WPML();