<?php

namespace App\Repositories;

use PDF;
use Storage;
use App\User;
use App\Services\Credit;
use App\Models\UserCredit;
use App\Services\UserMarign;

use App\Services\MyPDFMerger;
use App\Models\UserCreditItem;

class CreditRepository extends BaseRepository {

    private $user_credit;
    public function __construct(User $model)
    {
        $this->model = $model;
    }

    public function create($request = [])
    {
        //need invoice $data
        $number =  Credit::getCreditNumber();
        $credit_date = isset($request['credit_date']) ? $request['credit_date'] : \Carbon::now()->format("d.m.Y");
        $credit_send_mail = isset($request['credit_send_mail']) ? true: false;
        $credit_number = Credit::createCreditNumber($number, $credit_date);

        $this->user_credit = new UserCredit();
        $user_credit_items = $this->makeUserCredit();
        $data = [
            'user' => $this->model,
            'credit_date' => $credit_date,
            'credit_number' => $credit_number,
            'user_credits' => $this->user_credit,
            'user_credit_items' => $user_credit_items,
        ];
        $pdf = PDF::loadView('pdf.credit', $data);
        $pdf->setPaper('A4', 'portrait');

        $dir = Credit::getCreditStorageDir($credit_date);
        if(!Storage::disk('public')->exists( $dir )){
            Storage::disk('public')->makeDirectory($dir); //creates directory
        }
        $path = Storage::disk('public')->getAdapter()->getPathPrefix();
        $filename = Credit::makeCreditFilename($credit_number);

        $pdf->save($path.$dir.$filename);
        
        $pdfMerger = new MyPDFMerger();
        $pdfMerger->addPDF($path.$dir.$filename);
        $file = $pdfMerger->myMerge('string', $filename, 'template_invoice_de');
        Storage::disk('public')->put($dir.$filename, $file);


        $this->user_credit->user_id = $this->model->id;
        $this->user_credit->year = \Carbon::parse($credit_date)->format('Y');
        $this->user_credit->month = \Carbon::parse($credit_date)->format('n');
        $this->user_credit->date = $credit_date;
        $this->user_credit->filename = $filename;
        $this->user_credit->dir = $dir;
        $this->user_credit->disk = 'public';
        $this->user_credit->number = $number;
        $this->user_credit->full_number = $credit_number;
        $this->user_credit->save();

        if($credit_send_mail){
            Credit::sendCreditMail($this->user_credit);
        }
        $this->finishUserCredit($this->user_credit->id, $user_credit_items);
        return true;
    }

    private function finishUserCredit($user_credit_id, $user_credit_items){
        //next credits
        Credit::makeNextCreditNumber();
        //mark as payed
        //$UserCreditItems = UserCreditItem::where('user_id', $this->model->id)->wherePaid(false)->get();
        foreach($user_credit_items as $user_credit_item){
            $user_credit_item->paid = true;
            $user_credit_item->user_credit_id = $user_credit_id;
            $user_credit_item->save();
        }
    }

    
    private function makeUserCredit(){
     
        $this->user_credit->net = 0;
        $this->user_credit->infos = [];
        $infos = [];
        $user_credit_items = [];


        $UserCreditItems = UserCreditItem::where('user_id', $this->model->id)->wherePaid(false)->get();
        foreach($UserCreditItems as $userCreditItem){
            $user_credit_items[] = $userCreditItem;
            $infos[] = ['id' => $userCreditItem->id, 'credit' => $userCreditItem->credit];
            $this->user_credit->net += $userCreditItem->credit;
        }
        /* taxable_sales  //user tax
        1 //umsatzsteuerpflichtig
        2 // nicht umsatzsteuerpflichtig
        */
        if($this->model->account){
            $this->user_credit->taxable = $this->model->account->taxable_sales == 2 ? false : true;
            if($this->user_credit->taxable){
                $this->user_credit->tax_rate = config('app.main_tax_rate');
                $this->user_credit->total = round($this->user_credit->net * config('app.main_tax'), 2);
                $this->user_credit->tax = $this->user_credit->total - $this->user_credit->net;

            }else{
                $this->user_credit->tax_rate = 0;
                $this->user_credit->total = $this->user_credit->net;
                $this->user_credit->tax = 0;
            }
        }
        $this->user_credit->infos = $infos;
       return $user_credit_items;
    }
   
}