<?php

namespace Automad\Core;

/**
 * The LegacyData class handles the conversion of legacy block data.
 *
 * @author Marc Anton Dahmen
 * @copyright Copyright (c) 2021-2023 by Marc Anton Dahmen - https://marcdahmen.de
 * @license MIT license - https://automad.org/license
 */
class LegacyData
{
	/** The actual data object that has to be tested and converted. */
	private object $data;

	/** The target version that has to be supported. */
	private string $targetVersion = '1.9.0';


	/**
	 * The legacy data converter constructor.
	 *
	 * @param object $data
	 */
	public function __construct(object $data)
	{
		$this->data = $data;
	}


	/**
	 * Convert legacy data such as layout information.
	 *
	 * @return object $data
	 */
	public function convert(): object
	{
		$dataVersion = '0.0.0';
		$data = $this->data;

		if (!empty($data->automadVersion)) {
			$dataVersion = $data->automadVersion;
		}

		if (version_compare($dataVersion, $this->targetVersion, '>=')) {
			return $data;
		}

		Debug::log($dataVersion, 'Converting legacy block data');

		$data = $this->convertLayout($data);
		$data = $this->convertLists($data);

		return $data;
	}


	/**
	 * Convert legacy layout properties to new tune api.
	 *
	 * @param object $data
	 * @return object $data
	 */
	private function convertLayout(object $data): object
	{
		foreach ($data->blocks as $block) {
			if (!isset($block->tunes)) {
				$block->tunes = (object) array('layout' => (object) array());

				if (!empty($block->data->widthFraction)) {
					$block->tunes->layout->width = $block->data->widthFraction;
				}

				if (isset($block->data->stretched)) {
					$block->tunes->layout->stretched = $block->data->stretched;
				}
			}
		}

		return $data;
	}


	/**
	 * Convert legacy lists to new nested lists.
	 *
	 * @param object $data
	 * @return object $data
	 */
	private function convertLists(object $data): object
	{
		foreach ($data->blocks as $block) {
			if ($block->type == 'lists') {
				$block->data->items = (object) array_map(function ($item) {
					if (is_string($item)) {
						return (object) array( 'content' => $item, 'items' => (object) array());
					}

					return $item;
				}, (array) $block->data->items);
			}
		}

		return $data;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzM2Mzc2NzU0Mzc3MDUzOCAyMjI2NDkwNTc2NTAyNDg4IDk1MjMwNTA5NzE4NDE4MDM=