<?php

namespace App\Repositories;

use PDF;
use Storage;
use App\Models\ShoppingOrder;
use App\Services\Invoice;
use App\Services\MyPDFMerger;

class InvoiceRepository extends BaseRepository {

    private $invoice_date;
    private $invoice_number;
    private $filename;
    private $dir;

    public function __construct(ShoppingOrder $model)
    {
        $this->model = $model;
    }

    public function create($request = [])
    {
        //need invoice $data
        $number = Invoice::getInvoiceNumber();
        $this->invoice_date = isset($request['invoice_date']) ? $request['invoice_date'] : $this->model->created_at->format("d.m.Y");
        $invoice_send_mail = isset($request['invoice_send_mail']) ? true: false;
        $this->invoice_number = Invoice::createInvoiceNumber($number, $this->invoice_date);
        $this->dir = Invoice::getInvoiceStorageDir($this->invoice_date);
        $this->filename = Invoice::makeInvoiceFilename($this->invoice_number);

        $this->makePDF();

        $data_file = [
                'filename' => $this->filename,
                'dir' => $this->dir,
                'disk' => 'public',
                'invoice_number' => $this->invoice_number,
                'invoice_date' => $this->invoice_date,
        ];
        $this->model->invoice = $data_file;
        $this->model->invoice_number = $this->invoice_number;
        $this->model->save();
        Invoice::makeNextInvoiceNumber();

        if($invoice_send_mail){
           Invoice::sendInvoiceMail($this->model);
        }
        return true;
    }

    public function update($request = []){
        if(isset($this->model->invoice['filename'])){
            $this->invoice_date = isset($request['invoice_date']) ? $request['invoice_date'] : Invoice::getDate($this->model);
            $invoice_send_mail = isset($request['invoice_send_mail']) ? true: false;
            $this->invoice_number = Invoice::getNumber($this->model);
            $this->dir = Invoice::getDir($this->model);
            $this->filename = Invoice::getFilename($this->model);
            
            $this->makePDF();

            $data_file = [
                'filename' => $this->filename,
                'dir' => $this->dir,
                'disk' => 'public',
                'invoice_number' => $this->invoice_number,
                'invoice_date' => $this->invoice_date,
            ];
            $this->model->invoice = $data_file;
            $this->model->invoice_number = $this->invoice_number;
            $this->model->save();

            if($invoice_send_mail){
                Invoice::sendInvoiceMail($this->model);
             }
             return true;
        }
        return null;
    }

    private function makePDF(){
        $data = [
            'shopping_order' => $this->model,
            'invoice_date' => $this->invoice_date,
            'invoice_number' => $this->invoice_number,
        ];
        $pdf = PDF::loadView('pdf.invoice', $data);
        $pdf->setPaper('A4', 'portrait');

        if(!Storage::disk('public')->exists( $this->dir )){
            Storage::disk('public')->makeDirectory($this->dir); //creates directory
        }
        $path = Storage::disk('public')->getAdapter()->getPathPrefix();

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