<?php
/**
 * RESTful PHP API for Botleagues
 * Copyright (C) 2015 Camil Staps <info@camilstaps.nl>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace CamilStaps\BotleaguesApi;

use CamilStaps\BotleaguesApi\Database\User;
use Dingo\Api\Auth\Provider\Provider;
use Dingo\Api\Routing\Route;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;

class TokenAuthenticationProvider implements Provider {

    /**
     * Authenticate the request and return the authenticated user instance.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Dingo\Api\Routing\Route $route
     *
     * @throw UnauthorizedHttpException invalid authentication
     *
     * @return mixed
     */
    public function authenticate(Request $request, Route $route) {
        if (!$request->has(['email', 'token'])) {
            throw new UnauthorizedHttpException(null, "Include email and token in your request.");
        }

        $user = User::findOrFail($request->get('email'));
        if ($user->validToken($request->get('token'))) {
            Auth::login($user);
            return Auth::user();
        }

        throw new UnauthorizedHttpException(null, "Invalid credentials");
    }

    /**
     * Get the providers authorization method.
     *
     * @return string
     */
    public function getAuthorizationMethod() {
        return 'token';
    }
}