<?php

namespace App\Services\BusinessPlan;

use App\User;
use stdClass;
use App\Services\Util;
use App\Models\ShoppingOrder;
use App\Models\UserSalesVolume;
use App\Events\BusinessDataChanged;

class SalesPointsVolume
{

    public static function changeSalesPointsVolumeUser(ShoppingOrder $shoppingOrder, $to_user_id)
    {

        if ($shoppingOrder->user_sales_volume) {
            $to_user_id = intval($to_user_id);
            if ($shoppingOrder->user_sales_volume->user_id === $to_user_id) {
                \Session()->flash('alert-error', 'Keine Änderung: selber Berater');
                return;
            }
            if (!$shoppingOrder->user_sales_volume->isCurrentMonthYear()) {
                \Session()->flash('alert-error', 'Änderung muss im selben Monat sein');
                return;
            }

            $month = $shoppingOrder->user_sales_volume->month;
            $year = $shoppingOrder->user_sales_volume->year;
            $form_user_id = $shoppingOrder->user_sales_volume->user_id;

            $to_user = User::find($to_user_id);
            $form_user = User::find($form_user_id);

            $shoppingOrder->user_sales_volume->user_id =  $to_user_id;
            $shoppingOrder->user_sales_volume->message = 'zugewiesen: ' . date('d.m.Y');

            $syslog = $shoppingOrder->user_sales_volume->syslog;
            $from_email = $form_user ? $form_user->email : '';
            $to_email = $to_user ? $to_user->email : '';
            $syslog[date('d.m.Y-h:i:s')] = 'change form: #' . $form_user_id . ' ' . $from_email . ' to: #' . $to_user_id . ' ' . $to_email;
            $shoppingOrder->user_sales_volume->syslog = $syslog;

            $shoppingOrder->user_sales_volume->save();

            //recalculate
            self::reCalculateSalesPointsVolume($to_user_id, $month, $year);
            self::reCalculateSalesPointsVolume($form_user_id, $month, $year);
            \Session()->flash('alert-save', true);
        }
    }

    private static function add_KP_TP_Points($userSalesVolume, $month_points)
    {
        if ($userSalesVolume->status_points === 2) { //KP
            $month_points->KP += $userSalesVolume->points;
        } else {
            // === 1 //TP + KP
            $month_points->KP += $userSalesVolume->points;
            $month_points->TP += $userSalesVolume->points;
        }
        return $month_points;
    }

    public static function reCalculateSalesPointsVolume($user_id, $month, $year)
    {

        $userSalesVolumes = UserSalesVolume::where('user_id', $user_id)->where('month', $month)->where('year', $year)->orderBy('id', 'ASC')->get();
        $month_points = new stdClass();
        $month_points->KP = 0;
        $month_points->TP = 0;
        $month_total_net = 0;
        $month_shop_points = 0;
        $month_shop_total_net = 0;
        //TDOO Status === 3???

        foreach ($userSalesVolumes as $userSalesVolume) {
            switch ($userSalesVolume->status) {
                case 1: //Bestellung Berater
                    $month_points = self::add_KP_TP_Points($userSalesVolume, $month_points);
                    $month_total_net += $userSalesVolume->total_net;
                    break;
                case 2: //Shop
                    $month_shop_points += $userSalesVolume->points;
                    $month_shop_total_net += $userSalesVolume->total_net;
                    break;
                case 4: //Gutschrift     
                    $month_points = self::add_KP_TP_Points($userSalesVolume, $month_points);

                    if ($userSalesVolume->status_turnover === 2) {
                        $month_shop_total_net += $userSalesVolume->total_net;
                        //ggf hier zu den Shop Points zählen wäre aber immer KP + TP kann nicht keine trennung bei month_shop_points
                    } else {
                        $month_total_net += $userSalesVolume->total_net;
                    }

                    break;
                case 5: //Registrierung     
                    $month_points = self::add_KP_TP_Points($userSalesVolume, $month_points);
                    $month_total_net += $userSalesVolume->total_net;
                    break;
            }
            $userSalesVolume->month_shop_points = $month_shop_points;
            $userSalesVolume->month_shop_total_net = $month_shop_total_net;
            $userSalesVolume->month_KP_points = $month_points->KP;
            $userSalesVolume->month_TP_points = $month_points->TP;
            $userSalesVolume->month_total_net = $month_total_net;
            $userSalesVolume->save();
        }

        // Event für Business-Neuberechnung (Bubble Up zur Upline)
        if ($user_id) {
            event(new BusinessDataChanged($user_id, BusinessDataChanged::TYPE_SALES_VOLUME, (int)$month, (int)$year));
        }
    }


    public static function addSalesPointsVolumeUser(ShoppingOrder $shoppingOrder)
    {

        /*
        status
            1 => 'hinzugefügt aus Bestellung',
            2 => 'hinzugefügt aus Shop',
            3 => 'hinzugefügt aus Shop / pending',
        */

        $status = self::getStatusByOrderPaymentFor($shoppingOrder);
        $user_id  = $shoppingOrder->auth_user_id ? $shoppingOrder->auth_user_id : $shoppingOrder->member_id;
        //akuteller tag / Monat.
        $month = date('m');
        $year = date('Y');
        $date = date('d.m.Y');


        if ($status === 3) { //shop bestellung User pending if is_like
            $user_id = NULL;
        }
        $user_sales_volume = UserSalesVolume::create([
            'user_id' => $user_id,
            'shopping_order_id' => $shoppingOrder->id,
            'month' => $month,
            'year' => $year,
            'date' => $date,
            'points' => $shoppingOrder->points,
            'total_net' => $shoppingOrder->subtotal,
            'status_points' => 1, //KP + TP
            'message' => '',
            'status' => $status,
        ]);

        if ($status !== 3) {
            self::reCalculateSalesPointsVolume($user_sales_volume->user_id, $user_sales_volume->month, $user_sales_volume->year);
        }

        return $user_sales_volume;
    }

    public static function setToUserAndReCalculate(UserSalesVolume $user_sales_volume, $user_id)
    {

        //set month year date new, calculate it in the currently month!
        //If the month has changed, it can no longer be added to the month before
        $month = date('m');
        $year = date('Y');
        $date = date('d.m.Y');

        $user_sales_volume->user_id = $user_id;
        $user_sales_volume->month = $month;
        $user_sales_volume->year = $year;
        $user_sales_volume->date = $date;
        $user_sales_volume->status = 2; //hinzugefügt aus Shop can only Pending 
        $user_sales_volume->save();

        self::reCalculateSalesPointsVolume($user_id, $month, $year);
    }

    public static function getStatusByOrderPaymentFor(ShoppingOrder $shoppingOrder)
    {
        if ($shoppingOrder->payment_for) {
            if ($shoppingOrder->payment_for === 6) { //Kunde-Shop
                if ($shoppingOrder->shopping_user && $shoppingOrder->shopping_user->is_like) {
                    return 3; //shop Kunden, berater zuordnen <- need?
                }
                return 2;
            }
            return 1;
        }
        return 0;
    }


    public static function editSalesPointsVolume($data)
    {
        $user_sales_volume = UserSalesVolume::findOrFail($data['id']);
        if (!$user_sales_volume->isCurrentMonthYear()) {
            \Session()->flash('alert-error', 'Änderung muss im selben Monat sein');
            return;
        }
        $old_points = $user_sales_volume->points;
        $old_total_net = $user_sales_volume->total_net;
        $user_sales_volume->total_net = Util::reFormatNumber($data['total_net']);
        $user_sales_volume->points = Util::reFormatNumber($data['points']);

        $user_sales_volume->message = 'geändert: ' . date('d.m.Y');
        $user_sales_volume->info = $data['info'];
        $user_sales_volume->status_points = $data['status_points'];
        $user_sales_volume->status_turnover = isset($data['status_turnover']) ? intval($data['status_turnover']) : null;

        $syslog = $user_sales_volume->syslog;
        $syslog[date('d.m.Y-h:i:s')] = 'edit points: #' . $old_points . ' ' . $user_sales_volume->points . ' total: #' . $old_total_net . ' ' . $user_sales_volume->total_net;
        $user_sales_volume->syslog = $syslog;

        $user_sales_volume->save();

        self::reCalculateSalesPointsVolume($user_sales_volume->user_id, $user_sales_volume->month, $user_sales_volume->year);

        \Session()->flash('alert-success', "Points geändert");

        return;
    }

    public static function addSalesPointsVolume($data)
    {

        if (!isset($data['user_id'])) {
            \Session()->flash('alert-error', 'Kein Berater ausgewählt');
            return;
        }
        $user = User::findOrFail($data['user_id']);
        $month = date('m');
        $year = date('Y');
        $date = date('d.m.Y');

        $total_net = isset($data['total_net']) ? Util::reFormatNumber($data['total_net']) : 0;
        $points = isset($data['points']) ? Util::reFormatNumber($data['points']) : 0;
        $syslog[date('d.m.Y-h:i:s')] = 'add points: #' . $points . ' total: #' . $total_net;
        $status = isset($data['status']) ? intval($data['status']) : 4;
        $status_turnover = isset($data['status_turnover']) ? intval($data['status_turnover']) : null;

        $user_sales_volume = UserSalesVolume::create([
            'user_id' => $user->id,
            'shopping_order_id' => null,
            'month' => $month,
            'year' => $year,
            'date' => $date,
            'points' => $points,
            'status_points' => $data['status_points'],
            'status_turnover' => $status_turnover,
            'total_net' => $total_net,
            'message' => 'hinzugefügt: ' . date('d.m.Y'),
            'info' => $data['info'],
            'syslog' => $syslog,
            'status' => $status,
        ]);


        self::reCalculateSalesPointsVolume($user_sales_volume->user_id, $user_sales_volume->month, $user_sales_volume->year);

        \Session()->flash('alert-success', "Points hinzugefügt");
    }
}