<?php

namespace OCA\UPschooling\Controller;

use OCA\UPschooling\AppInfo\Application;
use OCA\UPschooling\Db\TicketMapper;
use OCA\UPschooling\Exceptions\RoomNotFoundException;
use OCA\UPschooling\Service\ChatService;
use OCA\UPschooling\Service\MatrixService;
use OCA\UPschooling\Service\TicketService;
use OCP\AppFramework\ApiController;
use OCP\AppFramework\Http\DataResponse;
use OCP\IRequest;
use Psr\Log\LoggerInterface;

class TicketApiController extends ApiController
{

	/** @var LoggerInterface */
	private $logger;

	/** @var TicketService */
	private $ticketService;

	/** @var MatrixService */
	private $matrixService;

	/** @var ChatService */
	private $chatService;

	/** @var TicketMapper */
	private $ticketMapper;

	private ?string $userId;

	use Errors;

	public function __construct(
		IRequest        $request,
		LoggerInterface $logger,
		TicketService   $ticketService,
		TicketMapper    $ticketMapper,
		MatrixService   $matrixService,
		ChatService     $chatService,
		?string          $userId
	) {
		parent::__construct(Application::APP_ID, $request);
		$this->logger = $logger;
		$this->ticketService = $ticketService;
		$this->ticketMapper = $ticketMapper;
		$this->matrixService = $matrixService;
		$this->chatService = $chatService;
		$this->userId = $userId;
	}

	/**
	 * @CORS
	 * @NoCSRFRequired
	 * @NoAdminRequired
	 */
	public function index(): DataResponse
	{
		return new DataResponse($this->ticketService->findAll($this->userId));
	}

	/**
	 * @CORS
	 * @NoCSRFRequired
	 * @NoAdminRequired
	 */
	public function show(int $id): DataResponse
	{
		return $this->handleNotFound(function () use ($id) {
			return $this->ticketService->find($id, $this->userId);
		});
	}

	/**
	 * @CORS
	 * @NoCSRFRequired
	 * @NoAdminRequired
	 */
	public function fetchChat(int $id): DataResponse
	{
		return $this->handleNotFound(function () use ($id) {
			$matrixUser = $this->ticketService->getOrCreateUser($this->userId);
			$ticket = $this->ticketMapper->findForUser($id, $matrixUser);
			$this->logger->debug("fetchChat found matrix data for ticket " . print_r($ticket->jsonSerialize(), true));
			// returns 404 RoomNotFoundException if no room could/should be created
			$chatRoom = $this->chatService->getOrCreateChatRoom($ticket);
			$this->logger->debug("fetchChat got chat room " . print_r($chatRoom->jsonSerialize(), true));
			return array(
				'matrixChatRoom' => $chatRoom->getMatrixRoomId(),
				'matrixAccessToken' => $matrixUser->getMatrixToken(),
				'matrixServerUrl' => $this->matrixService->getServerUrl(),
			);
		});
	}

	/**
	 * @CORS
	 * @NoCSRFRequired
	 * @NoAdminRequired
	 */
	public function create(string $title, string $content): DataResponse
	{
		return new DataResponse($this->ticketService->create($title, $content, $this->userId));
	}

	/**
	 * @CORS
	 * @NoCSRFRequired
	 * @NoAdminRequired
	 */
	public function update(int $id): DataResponse
	{
		return new DataResponse($this->ticketService->assign($id, $this->userId));
	}

	public function destroy(int $id): DataResponse
	{
		return $this->handleNotFound(function () use ($id) {
			return $this->ticketService->delete($id, $this->userId);
		});
	}
}