<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Lang;
use Socialite;
use App\User;
use Illuminate\Validation\ValidationException;
use Illuminate\Foundation\Auth\AuthenticatesUsers;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/admin/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }
    protected function sendFailedLoginResponse(Request $request)
{
    throw ValidationException::withMessages([
        $this->username() => [trans('auth.failed')],
    ])->redirectTo('/admin/login');
}
public function redirect($provider) {
    return Socialite::driver($provider)->redirect();
}
public function callback($provider) {
    $getInfo = Socialite::driver($provider)->user();
    $user = $this->updateUser($getInfo, $provider);
    auth()->login($user);
    return redirect()->to('/admin/home');
}
function updateUser($getInfo, $provider) {
    $user = User::where('provider_id', $getInfo->id)->first();
    if(!$user) {
        $user = User::where('email', $getInfo->email)->update(array('provider' => $provider, 'provider_id' => $getInfo->id));
    }
    return $user;
}
}