<?php

/**
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Chill\CalendarBundle\RemoteCalendar\Connector;

use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\MachineHttpClient;
use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\OnBehalfOfUserHttpClient;
use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\OnBehalfOfUserTokenStorage;
use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\RemoteEventConverter;
use Chill\MainBundle\Entity\User;
use DateTimeImmutable;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;

class MSGraphRemoteCalendarConnector implements RemoteCalendarConnectorInterface
{
    private MachineHttpClient $machineHttpClient;

    private RemoteEventConverter $remoteEventConverter;

    private OnBehalfOfUserTokenStorage $tokenStorage;

    private UrlGeneratorInterface $urlGenerator;

    private OnBehalfOfUserHttpClient $userHttpClient;

    public function __construct(
        MachineHttpClient $machineHttpClient,
        OnBehalfOfUserTokenStorage $tokenStorage,
        OnBehalfOfUserHttpClient $userHttpClient,
        RemoteEventConverter $remoteEventConverter,
        UrlGeneratorInterface $urlGenerator
    ) {
        $this->machineHttpClient = $machineHttpClient;
        $this->remoteEventConverter = $remoteEventConverter;
        $this->tokenStorage = $tokenStorage;
        $this->urlGenerator = $urlGenerator;
        $this->userHttpClient = $userHttpClient;
    }

    public function getDefaultUserCalendar(string $idOrUserPrincipalName): ?array
    {
        $value = $this->machineHttpClient->request('GET', "users/{$idOrUserPrincipalName}/calendars", [
            'query' => ['$filter' => 'isDefaultCalendar eq true'],
        ])->toArray()['value'];

        return $value[0] ?? null;
    }

    public function getMakeReadyResponse(string $returnPath): Response
    {
        return new RedirectResponse($this->urlGenerator
            ->generate('chill_calendar_remote_connect_azure', ['returnPath' => $returnPath]));
    }

    public function getUserByEmail(string $email): ?array
    {
        $value = $this->machineHttpClient->request('GET', 'users', [
            'query' => ['$filter' => "mail eq '{$email}'"],
        ])->toArray()['value'];

        return $value[0] ?? null;
    }

    public function isReady(): bool
    {
        return $this->tokenStorage->hasToken();
    }

    public function listEventsForUser(User $user, DateTimeImmutable $startDate, DateTimeImmutable $endDate): array
    {
        $bareEvents = $this->userHttpClient->request(
            'GET',
            'users/c4f1fcc7-10e4-4ea9-89ac-c89a00e0a51a/calendarView',
            [
                'query' => [
                    'startDateTime' => $startDate->format(DateTimeImmutable::ATOM),
                    'endDateTime' => $endDate->format(DateTimeImmutable::ATOM),
                    '$select' => 'id,subject,start,end',
                ],
            ]
        )->toArray();

        return array_map(function ($item) { return $this->remoteEventConverter->convertToRemote($item); }, $bareEvents['value']);
    }
}