<?php

namespace App\Http\Controllers\GUI;

use App\Exceptions\HTTPException;
use App\Http\Controllers\Controller;
use App\Http\Resources\oAuth\AccessToken;
use App\Jobs\Mails\RecoverPasswortJob;
use App\Jobs\Mails\ValidateMailAddressJob;
use App\Models\App;
use App\Models\AppAccess;
use App\Models\Invite;
use App\Models\Mail;
use App\Models\Setting;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;

class AccountController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    public function registerView(Request $request) {
        $invite = Invite::query()->where("code", "=", $request->input("invite"))->first();
        if($invite != null) {
            if($invite->status != "active") {
                return view('error', ["msg"=>"Invite code invalide"]);
            }
            return view('account/register', ["msg"=>"", "username" => $invite->username, "invite"=>$invite->code]);
        }
        $setting = Setting::query()->where("name", "=", "registration_possible")->firstOrFail();
        if(!$setting->value) {
            return view('error', ["msg"=>"Registration is disabled"]);
        } else {
            return view('account/register', ["msg"=>"", "username" => "", "invite"=>$request->input("invite")]);
        }

    }

    public function register(Request $request) {
        $this->validate($request, [
            'username' => 'required|max:255|min:5|regex:@^[a-z0-9]*$@|unique:users',
            'password' => 'required|min:8',
            'mail' => 'required|email|unique:mails'
        ]);

        DB::beginTransaction();
        $invite = Invite::query()->where("code", "=", $request->input("invite"))->first();
        if($invite != null) {
            if($invite->status != "active") {
                throw new HTTPException("Invite code invalide");
            }
            if(!empty($invite->username) && $request->input("username") != $invite->username) {
                throw new HTTPException("Invalide username for invite");
            }

        } else {
            $setting = Setting::query()->where("name", "=", "registration_possible")->firstOrFail();
            if(!$setting->value) {
                throw  new HTTPException("400", "Registration disabled");
            }
        }


        $user = new User();
        $user->username = $request->input("username");
        $user->password = password_hash($request->input("password"), PASSWORD_BCRYPT);

        if($invite != null) {
            $user->inviteCode = $invite->code;
        }

        //Make first user an admin
        $count = User::query()->count("*");
        if($count == 1) {
            $user->admin = 1;
            $user->developer = 1;
        }

        $user->saveOrFail();

        $mail = new Mail();
        $mail->createValidationToken();
        $mail->mail = $request->input("mail");
        $mail->primary = false;
        $mail->status = "waiting";
        $mail->user_id = $user->id;

        $mail->saveOrFail();

        $this->dispatch(new ValidateMailAddressJob($mail));

        if($invite != null) {
            $invite->status = "used";
            $invite->saveOrFail();
        }

        DB::commit();
    }

    public function inviteView() {
        return view('account/invite_code', ["msg"=>""]);
    }

    public function loginView() {
        return view('account/login', ["msg"=>""]);
    }

    public function logout() {
        session_destroy();
        return view('account/login', ["msg"=>"Logout successful", "user" => null]);

    }

    public function validateEMail($id, $code) {
        $mail = Mail::query()->where("id", "=", $id)->firstOrFail();
        if($mail->validation_code != $code) {
            throw new \App\Exceptions\HTTPException(400, "Wrong validation code");
        }

        $mail->status = "valide";

        $user = User::query()->where("id", "=", $mail->user_id)->firstOrFail();
        if($user->getMail() == null) {
            $mail->primary = true;
        }

        $mail->saveOrFail();
        echo "E-Mail wurde validiert";
    }

    public function profileView() {
        if(!Auth::check()) {
            abort(401);
        }

        $mails = Mail::query()->where("user_id", "=", Auth::user()->id)->get();

        return view('account/profile', ["mails" => $mails]);
    }

    public function addMail(Request $request) {
        if(!Auth::check()) {
            abort(401);
        }

        $this->validate($request, [
            'mail' => 'required|email|unique:mails'
        ]);

        $mail = new Mail();
        $mail->createValidationToken();
        $mail->mail = $request->input("mail");
        $mail->primary = false;
        $mail->status = "waiting";
        $mail->user_id = Auth::user()->id;

        $mail->saveOrFail();

        $this->dispatch(new ValidateMailAddressJob($mail));

        return redirect("/gui/profile");
    }

    public function changePrimaryMail(Request $request) {
        if(!Auth::check()) {
            abort(401);
        }

        $mail = Mail::query()->where("id", "=", $request->input("mail"))->firstOrFail();
        if($mail->user_id != Auth::user()->id) {
            abort(401);
        }

        if($mail->status != "valide") {
            return "Mail not valide";
        }

        $mails = Mail::query()->where("user_id", "=", Auth::user()->id)->get();
        foreach($mails as $m) {
            $m->primary = false;
            $m->saveOrFail();
        }

        $mail->primary = true;
        $mail->saveOrFail();

        return redirect("/gui/profile");
    }

    public function removeMail(Request $request) {
        if(!Auth::check()) {
            abort(401);
        }

        $mail = Mail::query()->where("id", "=", $request->input("mail"))->firstOrFail();
        if($mail->user_id != Auth::user()->id) {
            abort(401);
        }

        if($mail->primary) {
            return "You cant delete your primary mail";
        }

        $mail->delete();
        return redirect("/gui/profile");
    }

    public function changePassword(Request $request) {
        if(!Auth::check()) {
            abort(401);
        }

        $this->validate($request, [
            'password' => 'required|min:8'
        ]);

        $user = Auth::user();
        $user->password = password_hash($request->input("password"), PASSWORD_BCRYPT);
        $user->saveOrFail();

        return redirect('/gui/logout');
    }

    public function recoverPasswordView(Request $request) {
        return view('account/password_recovery', []);
    }
    public function recoverPassword(Request $request) {
        $this->validate($request, [
            'mail' => 'required|email'
        ]);

        $mail = Mail::query()->where("mail", "=", $request->input("mail"))->first();

        if(is_null($mail)) {
            return "If a E-Mail address is used for this Account we send you a Password-Recovery-Link";
        }

        $user = $mail->getUser();
        $user->createMailResetToken();
        $user->save();

        $this->dispatch(new RecoverPasswortJob($mail, $user->password_recovery_code));

        return "If a E-Mail address is used for this Account we send you a Password-Recovery-Link";
    }

    public function recoveryPasswordNewPasswordView(Request $request, $userId, $code) {
        $user = User::query()->where("id", "=", $userId)->firstOrFail();

        if($user->password_recovery_code != $code) {
            throw new HTTPException(400, "Code not valide");
        }

        return view('account/password_recovery_new_password', []);
    }
    public function recoveryPasswordNewPassword(Request $request, $userId, $code) {
        $user = User::query()->where("id", "=", $userId)->firstOrFail();

        if($user->password_recovery_code != $code) {
            throw new HTTPException(400, "Code not valide");
        }

        $this->validate($request, [
            'password' => 'required|min:8',
        ]);

        $user->password = password_hash($request->input("password"), PASSWORD_BCRYPT);
        $user->saveOrFail();

        return redirect("/gui/login");
    }


    //
}