<?php

namespace Modules\M3\Console;

use Ayeo\Barcode;
use Cache;
use Config;
use DB;
use Dompdf\Dompdf;
use File;
use Illuminate\Console\Command;
use Log;
use PDF;
use Picqer\Barcode\BarcodeGeneratorPNG;
use Str;

class GenerateGS1Cmd extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'command:GenerateGS1Cmd {user?} {--gsarray=}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Generate GS1-128 Label';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        ini_set('max_execution_time', Config::get('arrays.PHPTimeOutCL'));
        ini_set('max_input_time', Config::get('arrays.PHPTimeOutCL'));
        ini_set('default_socket_timeout', Config::get('arrays.PHPTimeOutCL'));
        ini_set('memory_limit', '1024M');

        try {
            $this->info('>>> Run GS1 Label creation Command...');
            Log::channel('LabelCron')->info('>>> Run GS1 Label creation Command...');

            // Get the Calling User
            $userId = $this->argument('user');
            $sHUSER = $userId ?? (m3User() !== '' ? Str::upper(trim(m3User())) : 'TWOSHIP');
            $this->info('User: ' . $sHUSER);

            // Get Manifest Array
            $gSArray1 = $this->option('gsarray');
            $gSArray = json_decode($gSArray1, true);

            // MAK : Used for debug only
            $gSArray = ['Macpkr' => '55555', 'Recipient_Address1' => '9571 Pan American DR', 'Recipient_Address2' => 'C/O AEE Solar', 'Recipient_City' => 'El Paso',
                'Recipient_CompanyName' => 'SNAPRACK EL PASO PRODUCTION', 'Recipient_CountryCode' => 'US', 'Recipient_PostalCode' => '79927', 'Recipient_State' => 'TX',
                'Sender_Address1' => '6800 Arnold Miller Pkwy', 'Sender_Address2' => '', 'Sender_City' => 'Solon',
                'Sender_CompanyName' => 'Erico International', 'Sender_Country' => 'US', 'Sender_PostalCode' => '44139', 'Sender_State' => 'OH',
                'CarrierName' => 'R&L Carriers', 'trackingno' => '306539838', 'BOLnumber' => '693103848064454', 'ShipmentPONumber' => '4523039092',
                'PackagesArray' => ['package 1', 'package 2'],
            ];

            if ($sHUSER !== '') {
                $this->generateLabels($sHUSER, $gSArray);
            }

            Log::channel('LabelCron')->info('<<< GS1-128...End of Label Creation');
            $this->info('<<< GS1-128...End of Label Creation');

        } catch (\Throwable $th) {
            Log::channel('LabelCron')->error($th);
        }
    }

    private function generateLabels(string $sHUSER, array $gSArray): void
    {
            // Get User CO & WH from Table ICM428M
            $iCM428M = DB::connection(config('m3.connection', 'pgsql'))->table('icm428m')
                ->select('R428US', 'R428CO', 'R428WH', 'R428PL')
                ->where('R428US', '=', $sHUSER)
                ->first();

            $cOMPANY = isset($iCM428M->R428CO) ? $iCM428M->R428CO : '';     // Company
            $wHS = isset($iCM428M->R428WH) ? $iCM428M->R428WH : '';     // WareHouse

            $macpkr = $gSArray['Macpkr'];
            $packageType = '0';
            $manufactID = '0826528';  // MAK : get ID from Nvent  and save to Config File
            $total_length = 9;

            $html = $this->buildLabelHtml($gSArray, $packageType, $manufactID, $total_length);

            ob_start();

            // Initialize Dompdf
            $dompdf = new Dompdf;
            $dompdf->loadHtml($html);
            $dompdf->setPaper('a6', 'portrait');
            // Render the HTML as PDF
            $dompdf->render();

            // Output the generated PDF to Browser
            // $dompdf->stream();

            $pdfContent = $dompdf->output();

            $labelsPath = Config::get('arrays.PdfPath');
            // Put the PDF in labels/CarrierLabel
            $gSFolder = 'GSLabel';
            $carrierFileName = $gSFolder . '_' . $macpkr . '_' . $cOMPANY . '_' . $wHS;
            file_put_contents($labelsPath . $gSFolder . '/' . $carrierFileName . '.pdf', $pdfContent);

            // Check if the PDF was generated correctly
            // if (!file_exists($tempPdfPath) || filesize($tempPdfPath) === 0) {
            //     throw new Exception('PDF generation failed.');
            // }

            ob_end_clean();
        
    }


    private function buildLabelHtml(array $gSArray, string $packageType, string $manufactID, int $totalLength): string
    {
        $html = '
        <html>
        <head>
        <style>
            .border_btm {
                border-bottom: 1px solid;
            }
            .border_rght {
                border-right: 1px solid;
            }

            .margin_t {
                padding-top : 10px;
            }

            .align_lft {
                text-align: left;
            }
            .align_center {
                text-align: center;
            }

            @page { margin: 5px; }
            body { margin: 0px; }
        </style>
        </head>
        <body style="font-family: Arial, sans-serif;">';

        // Get number of Pallets
        $packageCount = count($gSArray['PackagesArray']);
        $packageNum = 1;
        while ($packageNum <= $packageCount) {
            $table_style = $packageNum < $packageCount ? ' style="page-break-after: always;" ' : '';

            if (Cache::has('GS1SEQUENCE')) {
                $gS1SEQUENCE = Cache::get('GS1SEQUENCE');
                $gS1SEQUENCE++;
                $gS1SEQUENCEID = str_pad($gS1SEQUENCE, $totalLength, '0', STR_PAD_LEFT);
            }
            // Box Number Not Found Get it from DB
            else {
                $gS1SEQUENCE = 1;
                $gS1SEQUENCEID = str_pad($gS1SEQUENCE, $totalLength, '0', STR_PAD_LEFT);
            }
            Cache::forever('GS1SEQUENCE', $gS1SEQUENCEID);
            $this->info('>>> GS1 sequence Id: ' . $gS1SEQUENCEID);

            $gs1_128_bc_1 = '00' . $packageType . $manufactID . $gS1SEQUENCEID;

            // Calculate Check Digit
            $digits = str_split($gs1_128_bc_1);
            $sum = 0;
            $length = count($digits);

            // Loop through each digit starting from the right
            for ($i = 0; $i < $length; $i++) {
                $digit = $digits[$length - $i - 1];
                // Assign a weight of 3 or 1 alternately
                $weight = ($i % 2 == 0) ? 3 : 1;
                // Add the product of the digit and its weight to the sum
                $sum += $digit * $weight;
            }
            // Calculate the remainder when sum is divided by 10
            $remainder = $sum % 10;
            // If remainder is 0, check digit is 0; otherwise, subtract remainder from 10
            $checkDigit = ($remainder == 0) ? 0 : 10 - $remainder;

            $gs1_128_bc_desc = '(00)' . $packageType . $manufactID . $gS1SEQUENCEID . $checkDigit;

            $data = [
                'ship_to' => $gSArray['Recipient_CompanyName'] . '<br>' . $gSArray['Recipient_Address1'] . '<br>' .
                $gSArray['Recipient_City'] . ',' . $gSArray['Recipient_State']
                . '<br>' . $gSArray['Recipient_PostalCode'],
                'from' => $gSArray['Sender_CompanyName'] . '<br>' . $gSArray['Sender_Address1'] . '<br>' .
                $gSArray['Sender_City'] . ',' . $gSArray['Sender_State']
                . '<br>' . $gSArray['Sender_PostalCode'],
                'ship_to_lbl' => '420' . $gSArray['Recipient_PostalCode'],
                'ship_to_desc' => '(420)' . $gSArray['Recipient_PostalCode'],
                'pro' => '190071217845706',
                'item_number' => '10000B',
                'upc' => '098506095310',
                'quantity' => '1',
                'serial_shipping_container' => $gs1_128_bc_desc,
            ];

            // Initialize barcode generator
            $generator = new BarcodeGeneratorPNG;

            // Generate barcodes
            $shipToPostalCodeBarcode = $generator->getBarcode($data['ship_to_lbl'], $generator::TYPE_CODE_128);
            $serialShippingContainerBarcode = $generator->getBarcode($data['serial_shipping_container'], $generator::TYPE_CODE_128, 2, 50);

            // HTML content for the label
            $html .= '
                <table ' . $table_style . '>
                    <tr>
                        <td colspan="2" class="border_btm border_rght align_lft">
                            FROM:<br>' . $data['from'] . '
                        </td>
                        <td colspan="2" class="border_btm align_lft">
                            SHIP TO:<br>' . $data['ship_to'] . '
                        </td>
                    </tr>
                    <tr>
                        <td colspan="3" class="border_btm border_rght margin_t align_center">
                            <img src="data:image/png;base64,' . base64_encode($shipToPostalCodeBarcode) . '"> <br>
                            ' . $data['ship_to_desc'] . '
                        </td>
                        <td class="border_btm margin_t align_lft">
                            Carrier: ' . $gSArray['CarrierName'] . ' <br>
                            PRO #: ' . $gSArray['ShipmentPONumber'] . '  <br>
                            B/L #: ' . $gSArray['BOLnumber'] . '
                        </td>
                    </tr>
                    <tr>
                        <td colspan="2" class="border_btm margin_t align_lft border_rght">
                            PURCHASE ORDER: ' . $gSArray['Macpkr'] . ' <br>
                            Vendor: ' . $manufactID . '
                        </td>
                        <td colspan="2" class="border_btm  margin_t align_center">
                            Pallet # : ' . $packageNum . ' of ' . $packageCount . '
                        </td>
                    </tr>
                    <tr>
                        <td colspan="4" style="text-align: center;" class="margin_t">
                            <img src="data:image/png;base64,' . base64_encode($serialShippingContainerBarcode) . '"><br>
                            ' . $data['serial_shipping_container'] . '
                        </td>
                    </tr>
                </table>';

            $packageNum++;
        }

        $html .= '</body> </html>';

        return $html;
    }

}