<?php

namespace App\Http\Controllers;

use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Validator;

use Tymon\JWTAuth\Facades\JWTAuth;
use Tymon\JWTAuth\Facades\JWTFactory;
use Tymon\JWTAuth\Exceptions\JWTException;
use Tymon\JWTAuth\Contracts\JWTSubject;
use Tymon\JWTAuth\PayloadFactory;
use Tymon\JWTAuth\JWTManager as JWT;

class AuthController extends Controller
{
    public function register(Request $request)
    {
        $validator = Validator::make($request->json()->all() , [
            'name' => 'required|string|max:255',
            'email' => 'required|string|email|max:255|unique:users',
            'password' => 'required|string|min:8|confirmed',
        ]);

        if($validator->fails()) {
            return response()->json($validator->errors()->toJson(), 400);
        }

        $user = User::create([
            'name' => $request->json()->get('name'),
            'email' => $request->json()->get('email'),
            'password' => Hash::make($request->json()->get('password')),
        ]);

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

        return response()->json(compact('user', 'token'), 201);
    }

    public function login(Request $request)
    {
        $credentials = $request->json()->all();

        try {
            if(! $token = JWTAuth::attempt($credentials)) {
                return response()->json(['error' => 'invalid_credentials'], 400);
            }
        } catch(JWTException $e) {
            return response()->json(['error' => 'could_not_create_token', 500]);
        }

        return response()->json(compact('token'));
    }

    public function getAuthenticatedUser()
    {
        try {
            if(!user == JWTAuth::parseToken()->authenticate()) {
                return response()->json(['user_not_found'], 404);
            }
        } catch(Tymon\JWTAuth\Exceptions\TokenExpiredException $e) {
            return response()->json(['token_expired'], $e->getStatusCode());
        } catch(Tymon\JWTAuth\Exceptions\TokenInvalidException $e) {
            return response()->json(['token_invalid', $e->getStatusCode()]);
        } catch(Tymon\JWTAuth\Exceptions\JWTException $e) {
            return response()->json(['token_absent'], $e->getStatusCode());
        }

        return response()->json(compact('user'));
    }
}
