<?php
/**
 * Created by Pensare Software.
 * User: Theo Weijmer
 * Date: 29/07/2018
 * Time: 20:04
 */

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class InvoiceSpreadsheet {

    private $invoiceReport;
    private $spreadsheet;
    private $invoiceSheet;
    private $fullpathname;
    private $filename;
    private $ci;

    public function __construct( $invoiceReport )
    {
        $this->ci =& get_instance();

        $this->invoiceReport = $invoiceReport;

        $this->ci->load->helper( 'download' );

        $this->handle();
    }

    private function handle()
    {
        $this->setSpreadsheet();

        $this->setInvoiceSheet();

        $this->setFilename();

        $this->setFullPathname();

        $this->createFile();

        $this->downloadSpreadsheet();
    }

    private function setSpreadsheet()
    {
        $this->spreadsheet = new Spreadsheet();
    }

    private function setInvoiceSheet()
    {
        $invoiceSheet = new Worksheet( $this->spreadsheet, 'Facturen' );

        $this->invoiceSheet =
            $this->spreadsheet->addSheet( $invoiceSheet );

        new InvoiceSheet( $this->invoiceReport['invoiceOverview'], $this->invoiceSheet );
    }

    private function setFilename()
    {
        $this->filename = 'facturen' . date( 'YmdHis' ) . '.xlsx';
    }

    private function setFullPathname()
    {
        $this->fullpathname = MYROOTPATH . 'documents/spreadsheets/' . $this->filename;
    }

    private function createFile()
    {
        $writer = new Xlsx( $this->spreadsheet );

        $writer->save( $this->fullpathname );
    }

    private function downloadSpreadsheet()
    {
        $data = file_get_contents( $this->fullpathname );

        force_download( $this->filename, $data );
    }


}