<?php

namespace App\Http\Controllers;

use App\Http\Requests\CustomerRegisterRequest;
use App\Http\Requests\UpdateInfosRequest;
use App\Mail\PasswordResetMail;
use App\Mail\RegisterConfirmMail;
use App\Models\Customers;
use App\Models\Magasin;
use App\Models\Order;
use App\Models\PasswordReset;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Session;
use Illuminate\Support\Str;

class CustomerController extends Controller
{
    /**
     * Affiche la page d'inscription
     */
    public function registerForm()
    {
        if (Auth::guard('customer')->check()) {
            return redirect()->route('home');
        }
        return view('auth.register');
    }

    /**
     * Enregistre le customer dans la base de données
     * et CRM
     */
    public function register(CustomerRegisterRequest $request)
    {
        /** @var \App\Lib\LDCCRM\ApiV1 */
        $crm = app('crmApi');

        $crmCustomer = $crm->createCustomer(
            $request->email,
            $request->password,
            $request->firstname,
            $request->lastname,
            $request->optin !== null ? 1 : 0,
            $request->birth_date,
            isset($phone) ? $phone : null,
            isset($address) ? $address : null,
            null,
            $request->town,
            $request->postal_code,
            null
        );

        if ($crmCustomer->status === "OK") {
            $customer           = new Customers($request->all());
            $customer->crm_id   = $crmCustomer->user->crm_id;
            $customer->hashcode = $crmCustomer->user->hashcode;
            $customer->save();

            Mail::to($request->email)->send(new RegisterConfirmMail($customer, $request->firstname));

            return view('auth.register-success', ['mail' => $request->email]);
        } else {
            switch ($crmCustomer->code) {
                case 102:
                    return back()->withInput()->withErrors(
                        "Les champs obligatoires n'ont pas été correctement remplis."
                    );
                case 103:
                    return back()->withInput()->withErrors(
                        "Un compte est déjà associé à cette adresse email."
                    );
                default:
                    return back()->withInput()->withErrors(
                        "Une erreur est survenue lors de l'inscription, merci de réessayer plus tard."
                    );
            }
        }
    }

    /**
     * Retourne la page de connexion
     */
    public function authenticateForm(Request $request)
    {
        if (Auth::guard('customer')->check()) {
            return redirect()->route('account.dashboard');
        }
        if ($request->get('url')) {
            Session::put('url.intended', $request->get('url'));
            Session::save();
        }
        return view('auth.login');
    }

    /**
     * Gère l'authentification des customers
     */
    public function authenticate(Request $request)
    {
        $request->validate([
            'email' => 'required|email:rfc',
            'password' => 'required',
        ]);

        $email    = filter_var($request->email, FILTER_SANITIZE_EMAIL);
        $password = $request->password;
        $remember = $request->remember !== null ? true : false;

        //check CRM
        /** @var \App\Lib\LDCCRM\ApiV1 */
        $crm    = app('crmApi');
        $result = $crm->loginCustomer($email, $password);
        if ($result->status === "OK") {
            //exists in crm
            //do we have the customer in local DB ?
            /** @var Customers */
            $customer = Customers::where('email', $email)->first();
            if (!$customer) {
                //create user
                $customer           = new Customers($request->all());
                $customer->crm_id   = $result->user->crm_id;
                $customer->hashcode = $result->user->hashcode;
                $customer->save();
            }
            //connect and redirect
            /** @var \Illuminate\Auth\SessionGuard */
            $guard = Auth::guard('customer');
            $guard->login($customer, $remember);
            $url = Session::pull('url.intended');
            Session::forget('url.intended');
            Session::save();
            if (empty($url)) {
                return redirect()->route('account.dashboard');
            }
            return redirect()->to($url);
        } else {
            //doesn't exist or is invalid
            switch ($result->code) {
                case 115:
                    // @phpcs:ignore Generic.Files.LineLength
                    return back()->withErrors("Veuillez vérifier que vous avez correctement rempli les champs obligatoires.");
                case 116:
                    Mail::to($email)->send(new RegisterConfirmMail($customer, null));
                    // @phpcs:ignore Generic.Files.LineLength
                    return back()->withErrors("Votre compte n'est pas activé, vérifier dans vos emails pour y trouver le mail de confirmation. Un lien d'activation vous a été renvoyer.");
                case 117 || 118 || 119:
                    return back()->withErrors("Email ou mot de passe incorrect.");
                default:
                    return back()->withErrors("Une erreur est survenue, merci de réessayer ultérieurement.");
            }
        }
    }

    /**
     * Active le compte d'un customer
     */
    public function activate($hashcode)
    {
        $hashcode = filter_var($hashcode, FILTER_SANITIZE_STRING);
        $customer = Customers::select('crm_id')->where('hashcode', $hashcode)->first();
        if ($customer) {
            /** @var \App\Lib\LDCCRM\ApiV1 */
            $crm    = app('crmApi');
            $result = $crm->activateCustomer($customer->crm_id);
            if ($result->status === "OK") {
                // @phpcs:ignore Generic.Files.LineLength
                return view('auth.activate')->with('message', 'Votre compte a bien été activé, vous pouvez désormais vous connecter.');
            } else {
                return view('auth.activate')->with('message', "Ce lien d'activation n'est pas valide.");
            }
        } else {
            return view('auth.activate')->with('message', "Ce lien d'activation n'est pas valide.");
        }
    }

    /**
     * deconnexion customer
     */
    public function logout()
    {
        if (Auth::guard('customer')->check()) {
            Auth::guard('customer')->logout();
            return redirect()->route('home');
        }
    }

    /**
     * page d'accès à la procédure mdp oublié
     */
    public function forgotPasswordForm(Request $request)
    {
        return view('auth.passwords.forgot');
    }

    /**
     * initialisation de la procédure de mdp oublié
     */
    public function passwordReset(Request $request)
    {
        $request->validate([
            'email' => 'required|email:rfc|max:255',
        ]);

        $email = filter_var($request->email, FILTER_SANITIZE_EMAIL);

        $customerExist = Customers::where('email', $email)->count() === 0 ? false : true;

        if ($customerExist) {
            // Suppression des anciens tokens
            PasswordReset::where('email', $email)->delete();

            $token = Str::random(80);

            $passwordReset             = new PasswordReset();
            $passwordReset->email      = $email;
            $passwordReset->token      = $token;
            $passwordReset->created_at = now();
            $passwordReset->save();

            Mail::to($email)->send(new PasswordResetMail($token));
            // @phpcs:ignore Generic.Files.LineLength
            return back()->with('success', __("La procédure pour changer votre mot de passe a été envoyé sur votre email."));
        } else {
            return back()->withErrors(__("Cette adresse email n'est pas enregistrée dans nos services."));
        }
    }

    /**
     * Print the view used to change the password of a user when he required it
     * @param $token Token used to identificate the user to change the password of
     * @return View The view to print
     */
    public function viewChangePassword($token)
    {
        $pwdReset = PasswordReset::where('token', $token)->first();
        if (!$pwdReset) {
            abort(419);
        }
        $customer = Customers::where('email', $pwdReset->email)->first();
        if (!$customer) {
            abort(404);
        }

        return view('auth.passwords.reset', compact('customer'))->with('token', $token);
    }

    /**
     * changement de mot de passe (depuis la procédure de mdp oublié)
     */
    public function changePassword(Request $request, $token)
    {
        $request->validate([
            'password' => 'required|confirmed|min:8|max:255'
        ]);

        $password = $request->password;

        try {
            $passwordReset = PasswordReset::where('token', $token)->first();
            $customer      = Customers::where('email', $passwordReset->email)->first();
            $crmId         = $customer->crm_id;
        } catch (Exception $e) {
            return back()->withErrors("Changement du mot de passe impossible, les données envoyés sont incorrectes.");
        }
        /** @var \App\Lib\LDCCRM\ApiV1 */
        $crm = app('crmApi');

        $result = $crm->changePwdCustomer($crmId, $password);
        if ($result->status === "OK") {
            $passwordReset->delete();
            return view('auth.passwords.reset-ok', compact('customer'));
        } else {
            switch ($result->code) {
                case 107:
                    return back()->withErrors("Veuillez vérifier que vous avez correctement rempli les champs obligatoires.");
                case 108:
                case 109:
                    return back()->withErrors("Changement impossible, compte inexistant.");
                default:
                    return back()->withErrors("Une erreur est survenue, merci de réessayer ultérieurement.");
            }
        }
    }

    /**
     * profil client (mon compte)
     */
    public function dashboard(Request $request)
    {

        //show Profile
        $customer = Auth::guard('customer')->user();
        if (!$customer) {
            abort(404);
        }

        /** @var \App\Lib\LDCCRM\ApiV1 */
        $crm         = app('crmApi');
        $crmCustomer = $crm->getCustomer($customer->crm_id);
        if ($crmCustomer->status === "KO") {
            abort(503);
        }
        $crmInfos  = $crmCustomer->user;
        $birthDate = explode('-', $crmInfos->birth_date);

        return view('customer.dashboard', compact('customer', 'crmInfos', 'birthDate'));
    }


    /**
     * Send a request to the CRM to change the given customer's informations
     * @param UpdateInfosRequest $request
     *
     */
    public function updateInfos(UpdateInfosRequest $request)
    {
        // TODO : Activer le changement d'email quand ce sera possible dans la CRM
        /** @var \App\Lib\LDCCRM\ApiV1 */
        $crm         = app('crmApi');
        $crmCustomer = $crm->updateCustomer(
            Auth::guard('customer')->user()->crm_id,
            $request->firstname,
            $request->lastname,
            $request->optin !== null ? 1 : 0,
            $request->year . '-' . $request->month . '-' . $request->day,
            $request->phone,
            $request->address,
            null,
            $request->city,
            $request->postcode,
            null
        );

        if ($crmCustomer->status === "KO") {
            return redirect()->route('account.dashboard')
            ->withErrors(__("Une erreur est survenue, merci de réessayer ultérieurement."));
        }
        return redirect()->route('account.dashboard')
        ->with('success', __("Vos informations ont bien été enregistrées."));
    }

    /**
     * changement de mot de passe depuis le profil
     */
    public function changePasswordWhenAuthenticated(Request $request)
    {
        $request->validate([
            'password' => 'required|min:8|confirmed|max:255'
        ]);

        $crm      = app('crmApi');
        $customer = $crm->changePwdCustomer(Auth::guard('customer')->user()->crm_id, $request->password);

        if ($customer->status === "OK") {
            return back()->with('success', __("Modifications enregistrés !"));
        } else {
            return back()->withErrors(__("Une erreur est survenue, merci de réessayer ultérieurement."));
        }
    }

    /**
     * affichage des commandes du customer connecté
     */
    public function myOrders(Request $request)
    {
        $orders = Order::where('customer_id', Auth::guard('customer')->user()->id)->orderBy('date', 'DESC')->get();
        return view('customer.my-orders', compact('orders'));
    }

    public function orderDetail($reference)
    {
        $order   = Order::where('reference', '=', $reference)
                    ->where('customer_id', Auth::guard('customer')->user()->id)
                    ->firstOrFail();
        $magasin = Magasin::first();

        return view('customer.order-detail', compact('order', 'magasin'));
    }

    public function delete($id)
    {
        // TODO : Implémenter la suppression lorsque la CRM sera prête pour le faire aussi
        die('Not implemented yet');
        // Suppression d'un compte client
        $customer = Customers::findOrFail($id);
        $customer->recipes()->delete();
        $customer->products()->delete();
        $customer->answers()->delete();
        $customer->forums()->delete();

        // TODO : Suppression via la CRM

        if (Auth::guard('customer')->user()->id === $customer->id) {
            Auth::guard('customer')->logout();
        }
        $customer->delete();

        return redirect()->route('home');
    }
}