<?php

namespace App\Http\Controllers;

use App\Enums\NotificationType;
use App\Http\Requests\UpdateInfosRequest;
use App\Models\Articles;
use App\Models\ArticlesCategories;
use App\Models\Customers;
use App\Models\Notifications;
use App\Models\Reductions;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use LDCCRM\ApiV1;

class ClubController extends Controller
{
    public function index(Request $request) {
        $reductions = Reductions::where([
            ['end_date_broadcast', '>', now()],
            ['status', 1]
        ])->get();

        $articles = Articles::where('status', 1)->orderBy('updated_at', 'DESC')->get();
        $categories = ArticlesCategories::whereHas('articles', function($q) {
            $q->where('status', 1);
        })->get();

        $montantReductions = 0.0;
        foreach ($reductions as $reduc)
            $montantReductions += $reduc->face_value;

        $nbCustomers = Customers::count();

        $notifications = 0;
        if (Auth::guard('customer')->check()) {
            $notifications = $this->getNotifications(Auth::guard('customer')->user());
        }

        // Cas de catégorie d'article
        $category = $request->category !== null ? $request->category : null;

        return view('front.club.index', compact('montantReductions', 'nbCustomers', 'articles', 'categories', 'notifications', 'category'));
    }

    public function infos() {
        $customer = Auth::guard('customer')->user();
        if (!$customer)
            abort(404);

        $crm = new ApiV1(config('crm.CRM_ENDPOINT'), config('crm.CRM_API_TOKEN'));
        $crmCustomer = $crm->getCustomer($customer->crm_id);
        // TODO : Gérer l'erreur de non connexion a la CRM dans la vue
        if ($crmCustomer->status === "KO")
            return back()->withErrors(__("Une erreur est survenue, merci de réessayer ultérieurement."));
        $crmInfos = $crmCustomer->user;
        $birthDate = explode('-', $crmInfos->birth_date);

        $notifications = $this->getNotifications($customer);
        return view('front.club.informations', compact('customer', 'notifications', 'crmInfos', 'birthDate'));
    }

    /**
     * Send a request to the CRM to change the given customer's informations
     * @param Request $request
     */
    public function updateInfos(UpdateInfosRequest $request) {
        // TODO : Activer le changement d'email quand ce sera possible dans la CRM
        $crm = new ApiV1(config('crm.CRM_ENDPOINT'), config('crm.CRM_API_TOKEN'));

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

    /**
     * Retrieve the number of notifications the current authenticated user has
     * @param Customer $customer The user whose number of notifications we want to retrieve
     */
    private function getNotifications() {
        return Auth::guard('customer')->check() ? Notifications::count() - Auth::guard('customer')->user()->notifications_read()->count() : 0;
    }

    /**
     * Call the notifications page
     */
    public function notifications() {
        $notificationsList = Notifications::orderBy('created_at', 'DESC')->with('notifiable')->get();
        $notificationsIds = Notifications::pluck('id')->toArray();
        Auth::guard('customer')->user()->notifications_read()->sync($notificationsIds);
        $notifications = $this->getNotifications();
        return view('front.club.notifications', compact('notifications', 'notificationsList'));
    }

    /**
     * Call the cart page
     */
    public function cart() {
        $products = Auth::guard('customer')->user()->products;
        $notifications = $this->getNotifications();

        return view('front.club.cart', compact('products', 'notifications'));
    }

    /**
     * Call the favorites recipes page
     */
    public function favoritesRecipes() {
        $recipes = Auth::guard('customer')->user()->recipes;
        $notifications = $this->getNotifications();

        return view('front.club.favorites-recipes', compact('recipes', 'notifications'));
    }

    /**
     * Call the reductions page
     */
    public function reductions() {
        $notifications = $this->getNotifications();
        $urlReductions = "https://www.mesbr.eu/?refsite=" . config('app.REF_SITE') . "&refcamp=" . config('app.REF_CAMP') . "&hash=" . Auth::guard('customer')->user()->hashcode . "&now=".time();
        return view('front.club.reductions', compact('urlReductions', 'notifications'));
    }

    /**
     * Call the article page with a slug for the article to print
     * @param $slug Slug of the article
     * @return View The view that the article have to print
     */
    public function article($slug) {
        $notifications = $this->getNotifications();

        $article = Articles::where([['slug', $slug], ['status', 1]])->first();
        if (!$article)
            abort(404);

        // Check si le customer connecté a déjà répondu
        $alreadyAnswered = false;
        if (Auth::guard('customer')->check()) {
            $answersIds = $article->answers()->pluck('id')->toArray();
            $alreadyAnswered = Auth::guard('customer')->user()->surveys_answers()->whereIn('surveys_answer_id', $answersIds)->count() > 0 ? true : false;
        }

        $linkedArticles = Articles::where([['status', 1], ['category_id', $article->category_id], ['id', '<>', $article->id]])->get();

        $categories = ArticlesCategories::whereHas('articles', function($q) {
            $q->where('status', 1);
        })->get();

        return view('front.club.article', compact('article', 'categories', 'notifications', 'linkedArticles', 'alreadyAnswered'));
    }

    /**
     * Handle the request of a customer that answered a survey
     * @param $request Request
     * @return View View to go to
     */
    public function answerSurvey(Request $request) {
        $answers = $request->answers;

        if (empty($answers))
            return back()->withErrors(__("Votre réponse est incomplète. Merci de corriger"));

        $customer = Auth::guard('customer')->user();
        if (is_array($answers))
            $customer->surveys_answers()->syncWithoutDetaching($answers);
        else
            $customer->surveys_answers()->syncWithoutDetaching($answers);

        return back();
    }
}