<?php

namespace Automad\Models;

use Automad\Core\Automad;
use Automad\Core\Cache;
use Automad\Core\Debug;
use Automad\Core\FileSystem;
use Automad\Core\FileUtils;
use Automad\Core\Messenger;
use Automad\Core\Request;
use Automad\Core\Str;
use Automad\Core\Text;
use Automad\System\Fetch;

/**
 * The file model.
 *
 * @author Marc Anton Dahmen
 * @copyright Copyright (c) 2021-2023 by Marc Anton Dahmen - https://marcdahmen.de
 * @license MIT license - https://automad.org/license
 */
class File
{
	/**
	 * Edit file information (file name and caption).
	 *
	 * @param string $newName
	 * @param string $oldName
	 * @param string $caption
	 * @param Messenger $Messenger
	 * @return bool true on success
	 */
	public static function editInfo(string $newName, string $oldName, string $caption, Messenger $Messenger): bool
	{
		if (!$oldName || !$newName) {
			$Messenger->setError(Text::get('invalidFormError'));

			return false;
		}

		$Automad = Automad::fromCache();
		$path = FileSystem::getPathByPostUrl($Automad);
		$oldFile = $path . basename($oldName);
		$extension = FileSystem::getExtension($oldFile);
		$newFile = $path . Str::slug(basename(preg_replace('/\.' . $extension . '$/i', '', $newName))) . '.' . $extension;

		if (!FileSystem::isAllowedFileType($newFile)) {
			$Messenger->setError(Text::get('unsupportedFileTypeError') . ' "' . FileSystem::getExtension($newFile) . '"');

			return false;
		}

		// Rename file and caption if needed and update all file links.
		if ($newFile != $oldFile) {
			if (FileSystem::renameMedia($oldFile, $newFile, $Messenger)) {
				Links::update(
					$Automad,
					Str::stripStart($oldFile, AM_BASE_DIR),
					Str::stripStart($newFile, AM_BASE_DIR)
				);

				if ($Page = $Automad->getPage(Request::post('url'))) {
					// In case there is a posted URL, also rename files that have been added with only
					// basename since they belong to the same page.
					Links::update(
						$Automad,
						basename($oldFile),
						basename($newFile),
						$Page->getFile()
					);
				}
			}
		}

		// Write caption.
		if (!$Messenger->getError()) {
			$newCaptionFile = $newFile . '.' . FileUtils::EXT_CAPTION;

			// Only if file exists already or $caption is empty.
			if (is_writable($newCaptionFile) || !file_exists($newCaptionFile)) {
				FileSystem::write($newCaptionFile, $caption);
			} else {
				$Messenger->setError(Text::get('couldNotSaveError') . ' "' . basename($newCaptionFile) . '"');
			}
		}

		Cache::clear();

		return true;
	}


	/**
	 * Import file from URL.
	 *
	 * @param string $importUrl
	 * @param string $pageUrl
	 * @param Messenger $Messenger
	 * @return bool true on success
	 */
	public static function import(string $importUrl, string $pageUrl, Messenger $Messenger): bool
	{
		if (!$importUrl) {
			$Messenger->setError(Text::get('missingUrlError'));

			return false;
		}

		// Resolve local URLs.
		if (strpos($importUrl, '/') === 0) {
			$importUrl = AM_SERVER . AM_BASE_URL . $importUrl;

			Debug::log($importUrl, 'Local URL');
		}

		$data = Fetch::get($importUrl);

		if (empty($data)) {
			$Messenger->setError(Text::get('importFailedError'));

			return false;
		}

		$fileName = Str::slug(preg_replace('/\?.*/', '', basename($importUrl)));

		if ($pageUrl) {
			$Automad = Automad::fromCache();
			$Page = $Automad->getPage($pageUrl);

			if (!$Page) {
				return false;
			}

			$path = AM_BASE_DIR . AM_DIR_PAGES . $Page->path . $fileName;
		} else {
			$path = AM_BASE_DIR . AM_DIR_SHARED . '/' . $fileName;
		}

		FileSystem::write($path, $data);
		Cache::clear();

		if (!FileSystem::isAllowedFileType($path)) {
			$newPath = $path . FileSystem::getImageExtensionFromMimeType($path);

			if (FileSystem::isAllowedFileType($newPath)) {
				if (!FileSystem::renameMedia($path, $newPath, $Messenger)) {
					return false;
				}
			} else {
				unlink($path);
				$Messenger->setError(Text::get('unsupportedFileTypeError'));

				return false;
			}
		}

		return true;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTU3NDIxNDU1MDg0OTczNCAxNzM3MDE0ODI0MTk4MzYyIDE1MTQyNzg0NzcyNzI1MjU=