<?php

declare(strict_types=1);

/**
 * @copyright 2024 Daniel Kesselberg <mail@danielkesselberg.de>
 *
 * @author Daniel Kesselberg <mail@danielkesselberg.de>
 *
 * @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 <http://www.gnu.org/licenses/>.
 *
 */
namespace OCA\DAV\CalDAV;

use OCP\Calendar\ICalendar;
use OCP\Constants;

class CachedSubscriptionImpl implements ICalendar {
	private CalDavBackend $backend;
	private CachedSubscription $calendar;
	/** @var array<string, mixed> */
	private array $calendarInfo;

	public function __construct(
		CachedSubscription $calendar,
		array $calendarInfo,
		CalDavBackend $backend
	) {
		$this->calendar = $calendar;
		$this->calendarInfo = $calendarInfo;
		$this->backend = $backend;
	}

	/**
	 * @return string defining the technical unique key
	 * @since 13.0.0
	 */
	public function getKey(): string {
		return (string) $this->calendarInfo['id'];
	}

	/**
	 * {@inheritDoc}
	 */
	public function getUri(): string {
		return $this->calendarInfo['uri'];
	}

	/**
	 * In comparison to getKey() this function returns a human readable (maybe translated) name
	 * @since 13.0.0
	 */
	public function getDisplayName(): ?string {
		return $this->calendarInfo['{DAV:}displayname'];
	}

	/**
	 * Calendar color
	 * @since 13.0.0
	 */
	public function getDisplayColor(): ?string {
		return $this->calendarInfo['{http://apple.com/ns/ical/}calendar-color'];
	}

	/**
	 * @param string $pattern which should match within the $searchProperties
	 * @param array $searchProperties defines the properties within the query pattern should match
	 * @param array $options - optional parameters:
	 * 	['timerange' => ['start' => new DateTime(...), 'end' => new DateTime(...)]]
	 * @param int|null $limit - limit number of search results
	 * @param int|null $offset - offset for paging of search results
	 * @return array an array of events/journals/todos which are arrays of key-value-pairs
	 * @since 13.0.0
	 */
	public function search(string $pattern, array $searchProperties = [], array $options = [], $limit = null, $offset = null): array {
		return $this->backend->search($this->calendarInfo, $pattern, $searchProperties, $options, $limit, $offset);
	}

	/**
	 * @return int build up using \OCP\Constants
	 * @since 13.0.0
	 */
	public function getPermissions(): int {
		$permissions = $this->calendar->getACL();
		$result = 0;
		foreach ($permissions as $permission) {
			switch ($permission['privilege']) {
				case '{DAV:}read':
					$result |= Constants::PERMISSION_READ;
					break;
			}
		}

		return $result;
	}

	public function isDeleted(): bool {
		return false;
	}

	public function getSource(): string {
		return $this->calendarInfo['source'];
	}
}