<?php

namespace App\Http\Controllers\Auth;

use Socialite;

use App\Models\User;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;

class SocialAuthController extends Controller
{
    /**
     * Obtain the user information from Provider.
     *
     * @return JsonResponse
     */
    public function handleProviderCallback(Request $request, $provider)
    {
        // this user we get back is not our user model, but a special user object that has all the information we need
        $providerUser = Socialite::driver($provider)->userFromToken($request->input('token'));

        // we have successfully authenticated via facebook at this point and can use the provider user to log us in.

        // for example we might do something like... Check if a user exists with the email and if so, log them in.
        $user = User::query()->firstOrNew(['email' => $providerUser->getEmail()]);

        // maybe we can set all the values on our user model if it is new... right now we only have name
        // but you could set other things like avatar or gender
        if (!$user->exists) {
            $user->name = $providerUser->getName();
            $user->avatar = $providerUser->getAvatar();
            $user->save();
        }

        /**
         * At this point we done.  You can use whatever you are using for authentication here...
         * for example you might do something like this if you were using JWT
         */

        $token = \JWTAuth::fromUser($user);

        return response()->json([
            'access_token' => $token,
            'token_type' => 'bearer',
            'expires_in' => auth()->factory()->getTTL() * 60
        ])
        ->header('Authorization', $token);
    }
}