<?php

namespace App\Services\Nextcloud;

use Illuminate\Http\Client\ConnectionException;
use Illuminate\Http\Client\PendingRequest;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class NextcloudService
{
    protected PendingRequest $http;

    public function __construct()
    {
        $this->http = Http::withBasicAuth(
            config('services.nextcloud.user'),
            config('services.nextcloud.password')
        )
            ->withHeaders([
                'OCS-APIRequest' => 'true',
                'Accept' => 'application/json',
            ])
            ->baseUrl(config('services.nextcloud.url') . '/ocs/v1.php');
    }

    /**
     * Désactive un utilisateur Nextcloud à partir de son email
     * @throws ConnectionException
     */
    public function disableUserByEmail(string $email): void
    {
        $userId = $this->findUserIdByEmail($email);

        if (!$userId) {
            Log::warning("Utilisateur Nextcloud introuvable", ['email' => $email]);
            return;
        }

        $response = $this->http->put("/cloud/users/{$userId}/disable");

        if (!$response->successful()) {
            throw new \RuntimeException("Erreur désactivation Nextcloud {$userId}");
        }
    }

    /**
     * Trouve le userId Nextcloud à partir de l’email
     */
    protected function findUserIdByEmail(string $email): ?string
    {
        return Cache::remember(
            'nextcloud.user_id.' . md5($email),
            now()->addDays(7),
            function () use ($email) {
                return $this->resolveUserIdByEmail($email);
            }
        );
    }

    /**
     * @throws ConnectionException
     */
    protected function resolveUserIdByEmail(string $email): ?string
    {
        $response = $this->http->get('/cloud/users');

        $users = $response->json('ocs.data.users') ?? [];

        foreach ($users as $userId) {
            $details = $this->http->get("/cloud/users/{$userId}");

            if (
                $details->successful() &&
                $details->json('ocs.data.email') === $email
            ) {
                return $userId;
            }
        }

        return null;
    }

    /**
     * @throws ConnectionException
     */
    public function listUsers(): array
    {
        return $this->http
            ->get('/cloud/users')
            ->json('ocs.data.users') ?? [];
    }

    /**
     * @throws ConnectionException
     */
    public function getUserDetails(string $userId): array
    {
        return $this->http
            ->get("/cloud/users/{$userId}")
            ->json('ocs.data') ?? [];
    }


}