<?php

namespace App\Http\Controllers;

use App\Helpers\Detector;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use App\User;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Log;
use Spatie\Permission\Models\Role;


class UserController extends Controller
{
    public function __construct()
    {
        $this->middleware([ "auth" ])->only("logout");
        $this->middleware([ "guest" ])->only("login");

        $this->middleware([ "check.auth:user.list" ])->only("index");
        $this->middleware([ "check.auth:user.show" ])->only("show");
        $this->middleware([ "check.auth:user.create" ])->only("create");
        $this->middleware([ "check.auth:user.edit" ])->only("edit", "update");
        $this->middleware([ "check.auth:user.delete" ])->only("delete");
    }

    /**
     * Display a listing of the resource.
     *
     * @param Request $request
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function index(Request $request)
    {
        $users = User::query()->paginate($request->query("page", 20));

        return Response::detect("users.index", [ "users" => $users ]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function create()
    {
        $roles = Role::all();
        return Response::detect("users.create", ['roles' => $roles]);

    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function store(Request $request)
    {
        $data = $request->validate([
            "name_first" => "required|max:255",
            "name_last" => "required|max:255",
            "email" => "required|email|unique:users",
            "password" => "required|max:60",
            "phone" => "required|unique:users",
        ]);

        $rolez = $request->input("roles", [ "User" ]);

        $user = new User($data);

        $user->assignRole($rolez);
        $user->save();


        return Response::detect("users.store");
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function show($id)
    {
        $user = User::find($id);

        return Response::detect("users.show", [
            "user" => $user
        ]);
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function edit($id)
    {
        $roles = Role::all();
        $user = User::find($id);

        return Response::detect("users.edit", [
            "user" => $user,
            "roles" => $roles,
        ]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function update(Request $request, $id)
    {
        $data = $request->all();

//        $data = $request->validate([
//            "name_first" => "max:255",
//            "name_last" => "max:255",
//            "email" => "email|unique:users",
//            "password" => "max:60",
//            "phone" => "unique:users",
//        ]);

        // Validates if the user is updating itself or another user.
//        if($id === Auth::id()) {
//            $user = Auth::user();
//
//            $user->update($data);
//
//            $user->save();
//            return Response::detect("users.edit", [
//                "user" => $user
//            ]);
//        }

        //TODO: Implement when security's ready!!!
//        else if(Auth::user()->hasPermissionTo("user.edit")) {
            $user = User::find($id);

            if ($request->roles != null) { //You can only edit roles on the admin site, so if there is an input roles, then update user info and edit roles
                /** @var User $user */
                $user->update($data);
                $user->roles()->detach();
                $user->forgetCachedPermissions();

                foreach ($request->roles as $role){
                    $user->assignRole($role);
                }

                //$user->save();
            } else { // Else if you're not on the admin site (user site)
                if ($request->input('password') != null) { // If you're editing the password
                    if ($request->input('password') != $request->input('confirmpassword')) { // If new password and new password confirm is not the same, go back with fail message.
                        return redirect()->route("users.accounteditpass")->with('error#notsamepass', '<p class="text-center">Der stod ikke det samme i `Nyt Password` & `Bekræft Nyt Password`!</p>');
                    } elseif (!Hash::check($request->input('oldpassword'), $user->password)) { // If the written current password and current password in DB is not the same, go back with fail message.
                        return redirect()->route("users.accounteditpass")->with('error#oldpass', '<p class="text-center">Det indtastede password i `Nuværende Password` er ikke dit nuværende password!</p>');
                    } else { // If new password and current password is the same AND current written and current DB password is the same. Then update and logout.
                        /** @var User $user */
                        $user->update($data);
                        Auth::logout();

                        return redirect()->route("users.login")->with('success#passwordchange', '<p class="text-center">Dit password er hermed ændret!</p>');
                    }
                } else { // Else if you're not editing the password but anything else (Email, Phone Number). Then update user.
                    $user->update($data);
                }

            }

//        }

        $users = User::query()->paginate(20);

        return Response::detect("users.index", [
            "users" => $users
        ]);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function destroy($id)
    {
//        if($id === Auth::id()) {
//            $user = Auth::user();
//            $user->delete();
//        }
//        else if(Auth::user()->hasPermissionTo("user.delete")) {
            $user = User::find($id);

            $user->delete();
//        }

        return redirect()->route("users.index");
    }

    /*******************************************/
    /*              Authentication             */
    /*******************************************/

    public function showLogin() {
        return Response::detect("users.login");
    }

    public function login(Request $request) {
        Auth::logout();

        $data = $request->only("email", "password");

        if(Auth::attempt($data)) {
            //TODO: Implement home?

            return redirect()->route("root.index");
        }

        return redirect()->back(303);
    }

    public function logout(Request $request) {
        Auth::logout();

        return redirect()->route("users.login");
    }

    /*******************************************/
    /*              Forgot password            */
    /*******************************************/

    public function showForgot(){
        return Response::detect('users.forgot');
    }

    public function forgot(Request $request){
        $user = User::query()->where('email', '=', $request->email)->first();

        if($user == null){
            return redirect()->back();
        }

        //Send email
        //TODO: Implement mail.

        return redirect()->route('users.login');
    }

    public function account()
    {
        return Response::detect("users.account");
    }

    public function accountedit()
    {
        return Response::detect("users.edit");
    }

    public function accounteditpass()
    {
        return Response::detect("users.editpass");
    }


    public function search(Request $request){
        if($request->ajax()){
            $output = "<tr>".
                "<th>Fornavn</th>".
                "<th>Efternavn</th>".
                "<th>Email</th>".
                "<th>Tlf nr</th>".
                "<th>Rolle(r)</th>".
                "<th style=\"width: 1em;\"><img class=\"w-100\" src=\"http://127.0.0.1:8000/images/icons/pencil.svg\" alt=\"Update\"></th>".
                "<th style=\"width: 1em;\"><img class=\"w-100\" src=\"http://127.0.0.1:8000/images/icons/trashcan.svg\" alt=\"Delete\"></th>".
                "</tr>";


            //filter search
            if($request->isCheck === "navn")
                $users = User::query()->where('name_first', 'LIKE',$request->search.'%')->get();
            elseif ($request->isCheck === "efternavn")
                $users = User::query()->where('name_last', 'LIKE',$request->search.'%')->get();
            elseif ($request->isCheck === "email")
                $users = User::query()->where('email', 'LIKE',$request->search.'%')->get();
            elseif ($request->isCheck === "telefon")
                $users = User::query()->where('phone', 'LIKE',$request->search.'%')->get();
            else
                $users = User::query()->where('name_first', 'LIKE',$request->search.'%')
                ->orWhere('name_last','LIKE', $request->search.'%')
                ->orWhere('phone','LIKE', $request->search.'%')
                ->orWhere('email','LIKE',$request->search. '%')
                ->orWhere('name','LIKE',$request->search. '%')
                ->get();


                            //Dont delete
                        /*elseif ($request->isCheck === "rolle")
                        $users = User::query()->where('rolle', 'LIKE',$request->search.'%');*/


            if(count($users) !== 0){
                foreach ($users as $key => $user){

                    $roles = null;
                    $rolesString = null;

                    foreach (User::all() as $usr) {
                        if($usr->id == $user->id)
                            $roles = $usr->roles;
                    }

                    for($i = 0; $i < count($roles); $i++) {
                        if(count($roles)-1 != $i) {
                            $rolesString .= $roles[$i]->name.",";
                        }else {
                            $rolesString = $roles[$i]->name;
                        }
                    }

                    $output.='<tr>'.
                        '<td>' . $user->name_first . '</td>'.
                        '<td>' . $user->name_last . '</td>'.
                        '<td>' . $user->email . '</td>'.
                        '<td>' . $user->phone .'</td>'.
                        '<td>' . $user->name .'</td>'.
                        '<td><a href="'. route("users.edit", [ "user" => $user->id ]) . '"><img class="w-100" src="'. asset('/images/icons/pencil-dark.svg') . '" alt="Update"></a></td>'.
                        '<td><form method="post" action="' .route("users.destroy", [ "user" => $user->id ]). '" class="w-100 nostyle">'.
                        csrf_field().
                        method_field("delete").

                        '<button class="w-100 nostyle" onclick="return confirm(\'Are you sure you want to delete?\');" type="submit"><img class="w-100 cursor-pointer" src="'. asset('/images/icons/trashcan-dark.svg') . '" alt="Delete"></button>'.
                        '</form>'.
                        '</td>'.
                        '</tr>';
                }
            }else{
                $output.='<tr>'.
                    '<td>Intet match</td>'.
                    '<td></td>'.
                    '<td></td>'.
                    '<td></td>'.
                    '<td></td>'.
                    '<td></td>'.
                    '<td></td>'.
                    '</tr>';
            }
            return Response($output);
        }
    }
}