<?php
/**
 * Deprecations.
 *
 * @package Lazy Blocks
 */

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

/**
 * Class LazyBlocks_Deprecations
 */
class LazyBlocks_Deprecations {
	/**
	 * LazyBlocks_Deprecations constructor.
	 */
	public function __construct() {
		// Filters for v2.5.0.
		add_filter( 'lzb/add_user_template', array( $this, 'v2_5_0_convert_user_template' ) );
		add_filter( 'lzb/import_json', array( $this, 'v2_5_0_convert_import_json_template' ) );

		// Filters for v2.1.0.
		add_filter( 'lzb/add_user_block', array( $this, 'v2_1_0_convert_user_block' ) );

		// Actions for v2.0.0.
		add_action( 'lzb/handlebars/object', array( $this, 'v2_0_0_deprecated_lzb_handlebars_object_action' ) );

		// Deprecated actions usage warning.
		add_action( 'init', array( $this, 'deprecated_actions_usage_warning' ) );
	}

	/**
	 * Display deprecated error message for developers.
	 *
	 * @param string $msg - error message.
	 */
	public function show_deprecated_error( $msg ) {
		// phpcs:ignore
		if ( WP_DEBUG ) {
			// phpcs:ignore
			trigger_error( esc_html( $msg ), E_USER_DEPRECATED );
		}
	}

	/**
	 * Convert old template data to new when registering user template.
	 *
	 * @param array $data - template data.
	 *
	 * @return array
	 */
	public function v2_5_0_convert_user_template( $data ) {
		if ( isset( $data['data'] ) ) {
			$data['post_types']    = array( $data['data']['post_type'] );
			$data['template_lock'] = $data['data']['template_lock'];
			$data['blocks']        = array();

			if ( isset( $data['data']['blocks'] ) ) {
				foreach ( $data['data']['blocks'] as $block ) {
					$data['blocks'][] = array( $block['name'] );
				}
			}

			unset( $data['data'] );
		}

		return $data;
	}

	/**
	 * Convert old template data to new when importing new template.
	 *
	 * @param array $json - json data.
	 *
	 * @return array
	 */
	public function v2_5_0_convert_import_json_template( $json ) {
		// Loop over json.
		foreach ( $json as $k => $data ) {
			if ( isset( $data['id'] ) && ! isset( $data['controls'] ) && isset( $data['data'] ) ) {
				$json[ $k ] = $this->v2_5_0_convert_user_template( $data );
			}
		}

		return $json;
	}

	/**
	 * Convert old block data to new when registering user block.
	 *
	 * @param array $data - block data.
	 *
	 * @return array
	 */
	public function v2_1_0_convert_user_block( $data ) {
		// Fix deprecated 'use_php' and new 'output_method' code data.
		if ( isset( $data['code'] ) && ! isset( $data['code']['output_method'] ) ) {
			if ( isset( $data['code']['use_php'] ) && $data['code']['use_php'] ) {
				$data['code']['output_method'] = 'php';
			} else {
				$data['code']['output_method'] = 'html';
			}

			if ( isset( $data['code']['use_php'] ) ) {
				unset( $data['code']['use_php'] );
			}
		}

		return $data;
	}

	/**
	 * Call deprecated handlebars action.
	 *
	 * @param Object $handlebars - handlebars data.
	 */
	public function v2_0_0_deprecated_lzb_handlebars_object_action( $handlebars ) {
		do_action( 'lzb_handlebars_object', $handlebars );
	}

	/**
	 * Warning usage of deprecated action.
	 */
	public function deprecated_actions_usage_warning() {
		if ( has_action( 'lzb_handlebars_object' ) ) {
			$this->show_deprecated_error(
				sprintf(
					/* translators: 1: WordPress hook name, 2: Version number, 3: Alternative hook name. */
					esc_html__( 'Hook %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', 'lazy-blocks' ),
					'lzb_handlebars_object',
					'3.1.0',
					'lzb/handlebars/object'
				)
			);
		}
	}
}

new LazyBlocks_Deprecations();