<?php

/*
 * Copyright © 2020 Miguel Nogueira
 *
 *   This file is part of Raspberry Staff Manager.
 *
 *     Raspberry Staff Manager 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.
 *
 *     Raspberry Staff Manager 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 Raspberry Staff Manager.  If not, see <https://www.gnu.org/licenses/>.
 */

namespace App\Http\Controllers\Auth;

use App\Facades\Discord;
use App\Facades\Options;
use App\Http\Controllers\Controller;
use App\User;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Crypt;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;
use Laravel\Socialite\Facades\Socialite;
use Laravel\Socialite\Two\InvalidStateException;

class DiscordController extends Controller
{


    public function discordRedirect() {
        return Socialite::driver('discord')
            ->scopes(['email', 'guilds.join', 'guilds.members.read', 'guilds'])
            ->redirect();
    }

    public function discordCallback() {

        try {

            $discordUser = Socialite::driver('discord')->user();

        } catch (InvalidStateException $stateException) {
            Log::warning('Invalid state for social authentication: ', [
                'message' => $stateException->getMessage(),
                'ua' => request()->userAgent(),
                'ip' => request()->ip()
            ]);
            return redirect(route('discordRedirect'));
        }

        $appUser = User::where('email', $discordUser->getEmail())->first();

        if ($appUser) {

            $appUser->discord_token = $discordUser->token;
            $appUser->discord_refresh_token = $discordUser->refreshToken;
            $appUser->discord_user_id = $discordUser->getId();
            $appUser->discord_pfp = $discordUser->getAvatar();
            $appUser->save();

            Auth::login($appUser, true);

        } else {

            $oAuthUser = User::create([
                'uuid' => null,
                'name' => $discordUser->getName(),
                'email' => $discordUser->getEmail(),
                'email_verified_at' => now(), // verify the account since it came from a trusted provider
                'username' => $discordUser->getNickname(),
                'currentIp' => \request()->ip(),
                'registrationIp' => request()->ip(),
                'discord_user_id' => $discordUser->getId(),
                'discord_pfp' => $discordUser->getAvatar(),
                'discord_token' => $discordUser->token,
                'discord_refresh_token' => $discordUser->refreshToken
            ]);

            $oAuthUser->assignRole('user');

            Auth::login($oAuthUser, true);
        }

        if (session()->has('discordApplicationRedirectedSlug')) {
            return redirect(route('renderApplicationForm', ['vacancySlug' => session()->pull('discordApplicationRedirectedSlug')]));
        }

        return redirect()
            ->route('dashboard');
    }

}