<?php
/**
 * @copyright Copyright (C) 2010-2022, the Friendica project
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * @package		Friendica\modules
 * @subpackage	FileBrowser
 * @author		Fabio Comuni <fabrixxm@kirgroup.com>
 */

use Friendica\App;
use Friendica\Core\Renderer;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Photo;
use Friendica\Util\Images;
use Friendica\Util\Strings;

/**
 * @param App $a
 * @return string
 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 */
function fbrowser_content(App $a)
{
	if (!DI::userSession()->getLocalUserId()) {
		System::exit();
	}

	if (DI::args()->getArgc() == 1) {
		System::exit();
	}

	// Needed to match the correct template in a module that uses a different theme than the user/site/default
	$theme = Strings::sanitizeFilePathItem($_GET['theme'] ?? '');
	if ($theme && is_file("view/theme/$theme/config.php")) {
		$a->setCurrentTheme($theme);
	}

	$template_file = "filebrowser.tpl";

	$o = '';

	switch (DI::args()->getArgv()[1]) {
		case "image":
			$path = ['' => DI::l10n()->t('Photos')];
			$albums = false;
			$sql_extra = "";
			$sql_extra2 = " ORDER BY created DESC LIMIT 0, 10";

			if (DI::args()->getArgc() == 2) {
				$photos = DBA::toArray(DBA::p("SELECT distinct(`album`) AS `album` FROM `photo` WHERE `uid` = ? AND NOT `photo-type` IN (?, ?)",
					DI::userSession()->getLocalUserId(),
					Photo::CONTACT_AVATAR,
					Photo::CONTACT_BANNER
				));

				$albums = array_column($photos, 'album');
			}

			if (DI::args()->getArgc() == 3) {
				$album = DI::args()->getArgv()[2];
				$sql_extra = sprintf("AND `album` = '%s' ", DBA::escape($album));
				$sql_extra2 = "";
				$path[$album] = $album;
			}

			$r = DBA::toArray(DBA::p("SELECT `resource-id`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`filename`) AS `filename`, ANY_VALUE(`type`) AS `type`,
					min(`scale`) AS `hiq`, max(`scale`) AS `loq`, ANY_VALUE(`desc`) AS `desc`, ANY_VALUE(`created`) AS `created`
					FROM `photo` WHERE `uid` = ? $sql_extra AND NOT `photo-type` IN (?, ?)
					GROUP BY `resource-id` $sql_extra2",
				DI::userSession()->getLocalUserId(),
				Photo::CONTACT_AVATAR,
				Photo::CONTACT_BANNER
			));

			function _map_files1($rr)
			{
				$a = DI::app();
				$types = Images::supportedTypes();
				$ext = $types[$rr['type']];
				$filename_e = $rr['filename'];

				// Take the largest picture that is smaller or equal 640 pixels
				$photo = Photo::selectFirst(['scale'], ["`resource-id` = ? AND `height` <= ? AND `width` <= ?", $rr['resource-id'], 640, 640], ['order' => ['scale']]);
				$scale = $photo['scale'] ?? $rr['loq'];

				return [
					DI::baseUrl() . '/photos/' . $a->getLoggedInUserNickname() . '/image/' . $rr['resource-id'],
					$filename_e,
					DI::baseUrl() . '/photo/' . $rr['resource-id'] . '-' . $scale . '.'. $ext,
					$rr['desc']
				];
			}
			$files = array_map("_map_files1", $r);

			$tpl = Renderer::getMarkupTemplate($template_file);

			$o =  Renderer::replaceMacros($tpl, [
				'$type'     => 'image',
				'$path'     => $path,
				'$folders'  => $albums,
				'$files'    => $files,
				'$cancel'   => DI::l10n()->t('Cancel'),
				'$nickname' => $a->getLoggedInUserNickname(),
				'$upload'   => DI::l10n()->t('Upload')
			]);

			break;
		case "file":
			if (DI::args()->getArgc()==2) {
				$files = DBA::selectToArray('attach', ['id', 'filename', 'filetype'], ['uid' => DI::userSession()->getLocalUserId()]);

				function _map_files2($rr)
				{
					list($m1, $m2) = explode("/", $rr['filetype']);
					$filetype = ( (file_exists("images/icons/$m1.png"))?$m1:"zip");
					$filename_e = $rr['filename'];

					return [DI::baseUrl() . '/attach/' . $rr['id'], $filename_e, DI::baseUrl() . '/images/icons/16/' . $filetype . '.png'];
				}
				$files = array_map("_map_files2", $files);


				$tpl = Renderer::getMarkupTemplate($template_file);
				$o = Renderer::replaceMacros($tpl, [
					'$type'     => 'file',
					'$path'     => ['' => DI::l10n()->t('Files')],
					'$folders'  => false,
					'$files'    => $files,
					'$cancel'   => DI::l10n()->t('Cancel'),
					'$nickname' => $a->getLoggedInUserNickname(),
					'$upload'   => DI::l10n()->t('Upload')
				]);
			}

			break;
	}

	if (!empty($_GET['mode'])) {
		return $o;
	} else {
		System::httpExit($o);
	}
}
