<?php

// Copyright (C) 2010-2024, the Friendica project
// SPDX-FileCopyrightText: 2010-2024 the Friendica project
//
// SPDX-License-Identifier: AGPL-3.0-or-later

namespace Friendica\Module\Api\Mastodon\Lists;

use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Circle;
use Friendica\Module\BaseApi;

/**
 * @see https://docs.joinmastodon.org/methods/timelines/lists/#accounts-in-a-list
 *
 * Currently the output will be unordered since we use public contact ids in the api and not user contact ids.
 */
class Accounts extends BaseApi
{
	protected function delete(array $request = [])
	{
		$this->checkAllowedScope(self::SCOPE_WRITE);

		$request = $this->getRequest([
			'account_ids' => [], // Array of account IDs to remove from the list
		], $request);

		if (empty($request['account_ids']) || empty($this->parameters['id'])) {
			$this->logAndJsonError(422, $this->errorFactory->UnprocessableEntity());
		}

		Circle::removeMembers($this->parameters['id'], $request['account_ids']);
	}

	protected function post(array $request = [])
	{
		$this->checkAllowedScope(self::SCOPE_WRITE);

		$request = $this->getRequest([
			'account_ids' => [], // Array of account IDs to add to the list
		], $request);

		if (empty($request['account_ids']) || empty($this->parameters['id'])) {
			$this->logAndJsonError(422, $this->errorFactory->UnprocessableEntity());
		}

		Circle::addMembers($this->parameters['id'], $request['account_ids']);
	}

	/**
	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
	 */
	protected function get(array $request = [])
	{
		$this->checkAllowedScope(self::SCOPE_READ);
		$uid = self::getCurrentUserID();

		if (empty($this->parameters['id'])) {
			$this->logAndJsonError(422, $this->errorFactory->UnprocessableEntity());
		}

		$id = $this->parameters['id'];
		if (!DBA::exists('group', ['id' => $id, 'uid' => $uid])) {
			$this->logAndJsonError(404, $this->errorFactory->RecordNotFound());
		}

		$request = $this->getRequest([
			'max_id'   => 0,  // Return results older than this id
			'since_id' => 0,  // Return results newer than this id
			'min_id'   => 0,  // Return results immediately newer than id
			'limit'    => 40, // Maximum number of results. Defaults to 40. Max 40. Set to 0 in order to get all accounts without pagination.
		], $request);

		$params = ['order' => ['contact-id' => true]];

		if ($request['limit'] != 0) {
			$params['limit'] = min($request['limit'], 40);
		}

		$condition = ['gid' => $id];

		if (!empty($request['max_id'])) {
			$condition = DBA::mergeConditions($condition, ["`contact-id` < ?", $request['max_id']]);
		}

		if (!empty($request['since_id'])) {
			$condition = DBA::mergeConditions($condition, ["`contact-id` > ?", $request['since_id']]);
		}

		if (!empty($request['min_id'])) {
			$condition = DBA::mergeConditions($condition, ["`contact-id` > ?", $request['min_id']]);

			$params['order'] = ['contact-id'];
		}

		$accounts = [];

		$members = DBA::select('group_member', ['contact-id'], $condition, $params);
		while ($member = DBA::fetch($members)) {
			self::setBoundaries($member['contact-id']);
			try {
				$accounts[] = DI::mstdnAccount()->createFromContactId($member['contact-id'], $uid);
			} catch (\Exception $exception) {
			}
		}
		DBA::close($members);

		if (!empty($request['min_id'])) {
			$accounts = array_reverse($accounts);
		}

		self::setLinkHeader();
		$this->jsonExit($accounts);
	}
}
