<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Models\User;
use App\Mail\InformProOpenAcess;
use Illuminate\Support\Facades\Mail;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Auth;

class UsersController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $users = User::where('role', '>=', Auth::user()->role)->get();
        return view('bo.users.index', compact('users'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        return view('bo.users.create');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $request->validate([
            'lastname' => 'required|string|max:255',
            'firstname' => 'required|string|max:255',
            'email' => 'required|string|email|max:255|unique:users',
            'password' => 'required|string|min:8',
        ]);

        $civility   = $request->civility;
        $lastname   = filter_var($request->lastname, FILTER_SANITIZE_STRING);
        $firstname  = filter_var($request->firstname, FILTER_SANITIZE_STRING);
        $birthDate  = $request->birth_date;
        $email      = filter_var($request->email, FILTER_SANITIZE_EMAIL);
        $password   = $request->password;
        $address    = filter_var($request->address, FILTER_SANITIZE_STRING);
        $address2   = $request->address2 !== null ? filter_var($request->address2, FILTER_SANITIZE_STRING) : null;
        $town       = filter_var($request->town, FILTER_SANITIZE_STRING);
        $postalCode = filter_var($request->postal_code, FILTER_SANITIZE_STRING);
        $country    = filter_var($request->country, FILTER_SANITIZE_STRING);
        $tokenMail  = Str::uuid();

        if ($this->isSqlDate($birthDate)) {
            $d = Carbon::createFromFormat('Y-m-d', $birthDate);
        } elseif ($this->isFormDate($birthDate)) {
            $d         = Carbon::createFromFormat('d/m/Y', $birthDate);
            $birthDate = $d->toDateString();
        } else {
            if (!empty($birthDate)) {
                return back()
                    ->withInput($request->except('password'))
                    ->withErrors("Erreur sur le champs : date de naissance.");
            }
        }

        $crmId = null;

        $user                     = new User();
        $user->crm_id             = $crmId;
        $user->civility           = $civility;
        $user->firstname          = $firstname;
        $user->lastname           = $lastname;
        $user->birth_date         = $birthDate;
        $user->email              = $email;
        $user->password           = Hash::make($password);
        $user->address            = $address;
        $user->address2           = $address2;
        $user->town               = $town;
        $user->postal_code        = $postalCode;
        $user->country            = ucfirst($country);
        $user->email_verify_token = $tokenMail;
        $user->save();

        return redirect()->route('bo.users.index')
            ->with('success', "utilisateur créé.");
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $user = User::findOrFail($id);
        if ($user->role < Auth::user()->role) {
            return redirect()->route('bo.users.index');
        }

        //infos CRM
        if ($user->role >= 3) {
            /** @var \LDCCRM\ApiV1 */
            $crm        = app('crmApi');
            $crm_result = $crm->getCustomer($user->crm_id);
            $crm_user   = $crm_result->user;
            return view('bo.users.edit_pro', compact('user', 'crm_user'));
        } else {
            return view('bo.users.edit', compact('user'));
        }
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //basic information
        $lastname  = $request->lastname;
        $firstname = $request->firstname;
        $email     = $request->email;
        $password  = $request->password;
        $role      = $request->role;

        $request->validate([
            'lastname' => 'required|string|max:255',
            'firstname' => 'required|string|max:255',
        ]);

        if (!empty($password)) {
            $request->validate([
                'password' => 'required|string|min:8'
            ]);
        }

        $user            = User::findOrFail($id);
        $user->lastname  = $lastname;
        $user->firstname = $firstname;

        //check if mail has changed
        if ($user->email != $email) {
            //then validate
            $request->validate([
                'email' => 'required|string|email|max:255|unique:users',
            ]);
            //and replace
            $user->email = $email;
        }

        if (!empty($password)) {
            $user->password = Hash::make($password);
        }
        $user->role = $role;

        $send_openaccess_mail = false;

        if ($role == 3) {
            //infos pro
            $social_denomination = filter_var($request->social_denomination, FILTER_SANITIZE_STRING);
            $tech_commercial     = filter_var($request->tech_commercial, FILTER_SANITIZE_STRING);
            $eleveur_volailles   = isset($request->eleveur_volailles) ? true : false;
            $eleveur_porcs       = isset($request->eleveur_porcs) ? true : false;
            $eleveur_bovins      = isset($request->eleveur_bovins) ? true : false;
            $capacite_stockage   = filter_var($request->capacite_stockage, FILTER_SANITIZE_STRING);
            $temps_chargement    = filter_var($request->temps_chargement, FILTER_SANITIZE_STRING);
            $stockage_aplat      = isset($request->stockage_aplat) ? true : false;
            $stockage_cellule    = isset($request->stockage_cellule) ? true : false;
            $adress_chargement   = filter_var($request->adress_chargement, FILTER_SANITIZE_STRING);
            $optional_contact    = filter_var($request->optional_contact, FILTER_SANITIZE_STRING);
            $num_client          = filter_var($request->client_number, FILTER_SANITIZE_STRING);

            //check if num client has been filled
            if (empty($user->client_number) && !empty($num_client)) {
                //il va falloir envoyer un mail d'information d'accès
                $send_openaccess_mail = true;
            }

            $user->social_denomination = $social_denomination;
            $user->tech_commercial     = $tech_commercial;
            $user->eleveur_volailles   = $eleveur_volailles;
            $user->eleveur_porcs       = $eleveur_porcs;
            $user->eleveur_bovins      = $eleveur_bovins;
            $user->capacite_stockage   = $capacite_stockage;
            $user->temps_chargement    = $temps_chargement;
            $user->stockage_aplat      = $stockage_aplat;
            $user->stockage_cellule    = $stockage_cellule;
            $user->adress_chargement   = $adress_chargement;
            $user->optional_contact    = $optional_contact;
            $user->client_number       = $num_client;
        }

        $user->save();
        //envoi du mail d'ouverture
        if ($send_openaccess_mail) {
            Mail::to($email)->send(new InformProOpenAcess($user));
        }

        return redirect()->route('bo.users.edit', ['user' => $user->id])->with('success', 'Enregistré !');
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $u = User::findOrFail($id);

        //cannot delete self :
        if (Auth::user()->id == $id) {
            return redirect()
                ->route('bo.users.edit', ['user' => $id])
                ->withErrors('For security reasons you cannot delete yourself!');
        }

        if ($u->role < Auth::user()->role) {
            //in theory you should never be here
            return redirect()
                ->route('bo.users.index')
                ->withErrors('For security reasons you cannot delete this account!');
        }

        $u->delete();

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

    private function isSqlDate($date)
    {
        if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/", $date)) {
            return true;
        }
        return false;
    }

    private function isFormDate($date)
    {
        if (preg_match("/^(0[1-9]|[1-2][0-9]|3[0-1])\/(0[1-9]|1[0-2])\/[0-9]{4}$/", $date)) {
            return true;
        }
        return false;
    }
}