<?php

namespace App\Http\Controllers;

use App\Http\Requests\EditUserRequest;
use App\Http\Requests;
use Illuminate\Http\Request;
use App\User;
use App\Models\Group;
use Auth;
use Illuminate\Support\Facades\Password;
use Illuminate\Mail\Message;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class UsersController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
        $this->middleware('users_permission_validate');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        return view('users.index', [
            'users' => User::where('status', '!=', 'deleted')->get()
    ]);
    }

    public function show($id, $status = null) {
        if(User::findOrFail($id)->status == 'deleted') {
            throw new NotFoundHttpException;
        }

        return view('users.show', [
            'user' => User::findOrFail($id),
            'group' => Group::lists('name','id_group'),
            'status' => $status
        ]);
    }

    public function edit(EditUserRequest $request) {

        $user = User::findOrFail($request['id']);

        $saved = $user->update([
            'name' => $request['name'],
            'email' => $request['email'],
            'id_group' => $request['id_group']
        ]);

        if($request['phone'] != 0) {
            $user->phone = $request['phone'];
            $user->save();
        }

        if ($saved) {
            $status = "Edycja zakończona powodzeniem";
        }


        return redirect()->route('users.show', [$user->id, $status]);
    }

    protected function create() {
        return view('users.create', [
            'groups' => Group::lists('name', 'id_group')->toArray()
        ]);
    }

    /**
     * Create a new user instance after a valid registration.
     *
     * @param  array  $data
     * @return User
     */
    protected function store(Request $request) {
        $this->validate($request, [
            'name' => 'required|max:255|min:3',
            'email' => 'required|email|max:255|unique:users',
            'id_group' => 'required|exists:group,id_group',
            'phone' => 'sometimes|digits:9'
        ]);

        // Generacja losowego hasła
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $password = '';
        for ($i = 0; $i < 9; $i++) {
            $password .= $characters[rand(0, $charactersLength - 1)];
        }

        $user = User::create([
            'name' => $request['name'],
            'email' => $request['email'],
            'id_group' => $request['id_group'],
            'password' => bcrypt($password)
        ]);

        if($request['phone'] != 0) {
            $user->phone = $request['phone'];
            $user->save();
        }

        Password::sendResetLink(["email" =>$user->email], function (Message $message) {
            $message->subject("Aktywacja konta - Panel mPotwór");
        });
        return redirect()->route('users.index');
    }

    public function change_status(Request $request) {
        $this->validate($request,[
            'status' => 'required|in:active,deleted,blocked'
        ]);
        $status = $request['status'];
        $user = User::findOrFail($request["id"]);

        if($status == 'active') {
            $saved = $user->unblock();
        }
        elseif($status == 'deleted') {
            $saved = $user->hash_credentials();
        }

        {
            $saved = $user->update(['status' => $status]);
            $user->save();
        }

        if ($saved) {
            $status = \Lang::get('main.success');
            $messages = "Status użytkownika został zmieniony na " . $user->status;
            $new_status = $user->status;
        } else {
            $status = \Lang::get('main.failure');
            $messages = \Lang::get('main.failed_change_status');
            $new_status = $user->status;
        }

        return response()->json(['status' => $status, 'messages' => $messages, 'new_status' => $new_status]);
    }

    protected function password_reset(Request $request) {
        $this->validate($request,[
            'id' => 'required|exists:users,id'
        ]);
        $user = User::findOrFail($request['id']);

        Password::sendResetLink(["email" => $user->email], function (Message $message) {
            $message->subject("Aktywacja konta - Panel mPotwór");
        });

        $status = \Lang::get('main.success');
        $messages = "Link aktywacyjny został wysłany na adres " . $user->email;

        return response()->json(['status' => $status, 'messages' => $messages]);
    }

}