<?php

namespace App\Http\Controllers;

use App\Models\DashboardNews;
use App\Models\Incentive;
use App\Models\IncentiveParticipant;
use App\Models\ShoppingPayment;
use App\Models\UserAbo;
use App\Services\Abo\PaylineForecastService;
use App\Services\Abo\TeamAboOverviewService;
use App\Services\AboHelper;
use App\Services\Backoffice\BackofficeDashboardService;
use App\Services\BusinessPlan\LiveCommissionService;
use App\Services\Team\TopResultsService;
use App\User;
use Carbon\Carbon;
use Illuminate\Support\Facades\Auth;
use Illuminate\View\View;
use Request;
use Util;

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

    public function index()
    {

        if (! Auth::check()) {
            return redirect('login');
        }

        return redirect('home');
    }

    public function newsArchive(): View
    {
        return view('dashboard.news_archive', [
            'currentNews' => DashboardNews::getActiveNews(),
            'archiveNews' => DashboardNews::getArchiveNews(),
        ]);
    }

    // login / Dashboard
    public function show()
    {

        if (! Auth::check()) {
            return redirect('login');
        }

        $user = Auth::user();

        // Mehrere Incentives koennen parallel aktiv sein (E1): je eine Dashboard-Karte.
        $activeIncentives = collect();
        $incentiveParticipants = collect();

        if ($user->isActiveAccount()) {
            $activeIncentives = Incentive::activeForNavigation();
            if ($activeIncentives->isNotEmpty()) {
                $incentiveParticipants = IncentiveParticipant::query()
                    ->whereIn('incentive_id', $activeIncentives->pluck('id'))
                    ->where('user_id', $user->id)
                    ->get()
                    ->keyBy('incentive_id');
            }
        }

        $activeIncentive = $activeIncentives->first();
        $incentiveParticipant = $activeIncentive ? $incentiveParticipants->get($activeIncentive->id) : null;

        // Eigenes Abo des Beraters für die Einmalprodukte-Dashboard-Card (nur wenn
        // das Zeitfenster offen ist und das Feature für den User sichtbar ist).
        $oneTimeAbo = null;
        $aboOneTimeId = UserAbo::where('user_id', $user->id)
            ->where('is_for', 'me')
            ->where('active', true)
            ->where('status', 2)
            ->value('id');

        if ($aboOneTimeId) {
            $abo = UserAbo::find($aboOneTimeId);
            if ($abo && AboHelper::isOneTimeWindowOpen($abo) && AboHelper::isOneTimeFeatureVisible($abo)) {
                $oneTimeAbo = $abo;
            }
        }

        $monthlyStats = null;
        if ($user->isActiveAccount()) {
            $monthlyStats = $this->buildMonthlyStats($user);
        }

        $data = [
            'user' => $user,
            'now' => Carbon::now(),
            'dashboardNews' => DashboardNews::getActiveNews(),
            'activeIncentive' => $activeIncentive,
            'incentiveParticipant' => $incentiveParticipant,
            'activeIncentives' => $activeIncentives,
            'incentiveParticipants' => $incentiveParticipants,
            'oneTimeAbo' => $oneTimeAbo,
            'monthlyStats' => $monthlyStats,
        ];

        return view('home', $data);
    }

    /**
     * Kennzahlen der Monatsstatistik-Card. Bündelt persönliche Punkte/Abos, Team-Abo-KPIs
     * (konsistent über {@see TeamAboOverviewService}) und die Team-Payline-Punkte.
     *
     * @return array<string, mixed>
     */
    private function buildMonthlyStats(User $user): array
    {
        $month = max(1, min(12, (int) Request::get('stats_month', now()->month)));
        $year = max(2020, min((int) now()->year + 1, (int) Request::get('stats_year', now()->year)));

        $salesVolume = $user->getUserSalesVolume($month, $year, 'first');
        [$paylinePoints, $paylineIsLive] = $this->teamPaylinePoints($user, $month, $year);
        $customerPoints = $salesVolume ? (float) $salesVolume->getPointsKPSum() : 0.0;

        // Payline-Prognose (B10) nur für den laufenden Monat — Basis ist der heutige
        // Stand aus Kundenumsatz + Payline-Punkten.
        $isCurrentMonth = $month === (int) now()->month && $year === (int) now()->year;
        $paylineForecast = $isCurrentMonth
            ? app(PaylineForecastService::class)->forecastDays($user, $customerPoints + (float) $paylinePoints)
            : null;
        $levelForecast = $isCurrentMonth
            ? app(PaylineForecastService::class)->levelAndCommissionForecast($user, $month, $year)
            : null;

        $dashboardService = app(BackofficeDashboardService::class);
        $teamOverview = app(TeamAboOverviewService::class);
        $paylineService = app(PaylineForecastService::class);

        // Firstlines: die Neupartner-Zählung braucht alle direkten Partner (der
        // Scope filtert selbst), die Kachel zeigt aber nur aktive Berater —
        // sonst zählt sie anders als "Teampartner gesamt" daneben (F1).
        $firstlines = User::firstlinesOf($user->id)->get();
        $firstlineIds = $firstlines->pluck('id')->map(fn ($id) => (int) $id)->all();
        $activeFirstlineCount = $firstlines
            ->filter(fn (User $member) => $dashboardService->isActiveConsultant($member))
            ->count();

        // Anzeige-Zählung konsistent zu "Teampartner gesamt" (F1: nur aktive
        // Berater) — die Payline-Mitgliedermenge selbst enthält auch inaktive,
        // deren Abos weiterhin in die Abo-/Punkte-Summen der Payline zählen.
        $activeTeamUserIds = $dashboardService->activeTeamUserIds($user->id);
        $paylineMemberIds = $paylineService->paylineContext($user, $month, $year)['member_ids'];
        $activePaylineMemberCount = count(array_intersect($activeTeamUserIds, $paylineMemberIds));

        // Abo-Zähler der Payline monatsbezogen wie die übrigen Abo-Kacheln (N2) —
        // sonst widersprechen sich die Kacheln beim Monatswechsel.
        $paylineAboCount = $teamOverview->aboStockCount($paylineMemberIds, 'user_id', 'me', $month, $year)
            + $teamOverview->aboStockCount($paylineMemberIds, 'member_id', 'ot', $month, $year);

        return array_merge(
            [
                'month' => $month,
                'year' => $year,
                'customer_points' => $customerPoints,
                'team_payline_points' => $paylinePoints,
                'payline_is_live' => $paylineIsLive,
                'payline_forecast' => $paylineForecast,
                'commission' => app(LiveCommissionService::class)->commission($user, $month, $year),
                'direct_new_partners' => $dashboardService->newPartnersCount($firstlineIds, $month, $year),
                'firstline_count' => $activeFirstlineCount,
                'team_partner_count' => count($activeTeamUserIds),
                'payline_member_count' => $activePaylineMemberCount,
                'payline_abo_count' => $paylineAboCount,
                'payline_abos_new' => $paylineService->newPaylineAboCount($user, $month, $year),
                'level' => app(LiveCommissionService::class)->levelProgress($user, $month, $year),
                'level_forecast' => $levelForecast,
                'top_results' => app(TopResultsService::class)->monthlyTop3($user, $month, $year),
            ],
            $teamOverview->teamKpis($user, $month, $year),
            $teamOverview->personalAboKpis($user, $month, $year)
        );
    }

    /**
     * Team-Payline-Punkte: aus dem gemeinsamen Live-Lauf ({@see LiveCommissionService}),
     * der auch die Provision und die Payline-Tiefe liefert — ein Baum-Lauf für alles.
     *
     * @return array{0: float, 1: bool} [Punkte, istLive]
     */
    private function teamPaylinePoints(User $user, int $month, int $year): array
    {
        $snapshot = app(LiveCommissionService::class)->snapshot($user, $month, $year);

        return [$snapshot['payline_points'], $snapshot['is_live']];
    }

    public function loadingModal()
    {

        $data = Request::get('data');
        $target = Request::get('target');
        $response = '';
        if ($data === 'data_protection') {
            $data = [
                'modal' => true,
                'user_shop' => true,
                'isMivitaShop' => false,
            ];
            $response = view('legal.data_protect_de', $data)->render();
        }
        if ($data === 'imprint') {
            $data = [
                'modal' => true,
                'user_shop' => Util::getUserShop(),
            ];
            $response = view('legal.imprint_de', $data)->render();
        }
        if ($data === 'shop_term_of_use') {
            $data = [
                'modal' => true,
                'user_shop' => Util::getUserShop(),
            ];
            $response = view('legal.shop_term_of_use_de', $data)->render();
        }
        if ($data === 'agb') {
            $data = [
                'modal' => true,
                'user_shop' => Util::getUserShop(),
            ];
            $response = view('legal.agb_de', $data)->render();
        }
        if (Request::ajax()) {
            return response()->json(['response' => $response, 'target' => $target]);
        }
        abort(404);
    }

    /* public function checkLogin($identify, $token)
    {
        if($identify){
            //user find by $identify
            $user = User::where('identify', '=', $identify)->first();
            if(!$user){
                return abort(404);
            }
            //user - check für from $sf_guard_user - old system
            $sf_guard_user = SfGuardUser::where('identify', '=', $identify)->first();
            if(!$sf_guard_user){
                return abort(404);
            }
            if($user->id != $sf_guard_user->user_id){
                return abort(404);

            }
            if($sf_guard_user->token != $token){
                return abort(404);
            }
            $time = Carbon::parse($sf_guard_user->token_at);
            $now = Carbon::now();
            $duration = $time->diffInSeconds($now);

            if($duration > 3){
                return abort(404);
            }
            $sf_guard_user->token = null;
            $sf_guard_user->token_at = null;
            $sf_guard_user->save();
            if(!Auth::check()){
                $user->last_login = now();
                $user->save();
                Auth::login($user);
            }
            if(Auth::check()){
                return redirect('/templates');
            }
        }
        return abort(404);
    }
   */
    public function zahlungsarten()
    {
        return view('web.templates.zahlungsarten', [
            'user_shop' => Util::getUserShop(),
            'isMivitaShop' => Util::isMivitaShop(),
            'yard_instance' => 'webshop',
        ]);
    }

    public function versandkosten()
    {
        return view('web.templates.versandkosten', [
            'user_shop' => Util::getUserShop(),
            'isMivitaShop' => Util::isMivitaShop(),
            'yard_instance' => 'webshop',
        ]);
    }

    public function legalDataProtected()
    {
        $data = [
            'modal' => false,
            'user_shop' => Util::getUserShop(),
            'isMivitaShop' => Util::isMivitaShop(),
            'yard_instance' => 'webshop',
        ];

        return view('legal.data_protected', $data);
    }

    public function legalAGB()
    {
        $data = [
            'modal' => false,
            'user_shop' => Util::getUserShop(),
            'yard_instance' => 'webshop',
            'yard_instance' => 'webshop',

        ];

        return view('legal.agb', $data);
    }

    public function legalImprint()
    {

        $data = [
            'modal' => false,
            'user_shop' => Util::getUserShop(),
            'yard_instance' => 'webshop',
        ];

        return view('legal.imprint', $data);
    }

    public function verify($confirmation_code)
    {
        if (! $confirmation_code) {
            return redirect('/status/error');
        }

        $user = User::whereConfirmationCode($confirmation_code)->first();
        if (! $user) {
            return redirect('/status/not/found');
        }
        $user_auto_login = false;
        if ($user->confirmed === 0) {
            $user->confirmed = 1;
            $user->confirmation_date = now();
            $user_auto_login = true;
            // nur bei der ersten Verifizierung den user auto login
        }
        // wird nun in WizardController::releaseAccount() auf null gesetzt
        // $user->confirmation_code = null;
        // $user->confirmation_code_to = null;
        // $user->confirmation_code_remider = 0;
        $user->save();

        // Login!
        if ($user_auto_login) {
            Auth::login($user);
        }
        $url = Util::getMyMivitaUrl();

        return redirect($url);
    }

    public function statusRegister()
    {
        return view('status.status_register');
    }

    public function statusVerify()
    {
        return view('status.status_verify');
    }

    public function statusError()
    {
        return view('status.status_error');
    }

    public function notFound()
    {
        return view('status.not_found');
    }

    /**
     * @return string
     */
    public function checkMail()
    {

        $data = Request::all();
        if ($data['user_id'] === 'new') {
            if (User::where('email', $data['email'])->count()) {
                return json_encode(false);
            }
        } else {
            if (User::where('email', $data['email'])->where('id', '!=', $data['user_id'])->count()) {
                return json_encode(false);
            }
        }

        return json_encode(true);
    }

    public function blocked()
    {
        return view('status.user_blocked');
    }

    public function backToShop($reference = '')
    {

        if ($reference) {
            $ShoppingPayment = ShoppingPayment::where('reference', $reference)->first();
            if ($ShoppingPayment && $ShoppingPayment->status === 'success') {
                $user = Auth::user();
                // is form wizard create payment
                if ($user && ($user->wizard == 13 || $user->wizard == 20)) {
                    $user->wizard = 15; // realese Payments
                    $user->save();

                    return redirect(route('wizard_create', [15]));
                }
            } else {
                \Session()->flash('alert-error', __('msg.error_occurred_with_order'));

                return redirect(url('/'));
            }
        }
    }
}