<?php

/*******************************************************************

    Module        : /Printer/PrintPOS.php
    Created By    : Siau Pheng (siaupheng@3fonia.com).
    Created Date  : June 15th, 2008.
    Last Modified : October 3rd, 2026.

    (c) 3FONIA Software; WWW.3FONIA.COM.

*******************************************************************/

declare(strict_types=1);

namespace Webapp\Printer;

use \flight\Engine;

/**
 * Class PrintPOS
 * 
 * Pembuatan Nota/Struk untuk cetak ke Printer POS.
 *
 * @license MIT, https://www.3fonia.com
 * @copyright Copyright (c) 2008-2026, Siau Pheng <siaupheng@3fonia.com>
 * 
 * @package Webapp\Printer
 */

class PrintPOS {
    private int $sheet = 0;
    private int $maxchr = 40;
    private array $header = [];
    private array $acontent = [];
    private array $config = [
                'fontsize' => 1,
                'opendraw' => false,
                'cutpaper' => false,
                'logo' => null,
            ];
    private array $webapp;
    private array $webuser;
    protected Engine $app;

    /**
     * @param Engine $app
     */
    public function __construct(Engine $app) {
        $this->app = $app;
        $this->webapp = $app->session()->get('WEB_APP', ['APP_NAME'=>'', 'APP_VER'=>'']);
        $this->webuser = $app->session()->get('WEB_USER', ['UserID'=>0, 'Username'=>'']);
    }

    public function set_opendrawer(): void {
        $this->config['opendraw'] = true;
    }

    public function set_cutpaper(): void {
        $this->config['cutpaper'] = true;
    }

    public function set_maxchr(int $max = 0): void {
        if ($max > 0) $this->maxchr = $max;
    }

    public function set_fontsize(int $size = 1): void {
        if ($size > 0) $this->config['fontsize'] = $size;
    }

    public function set_header_logo(string $logo_file = ""): void {
        if (!empty($logo_file) && file_exists(PROJECT_ROOT."public/assets/images/".$logo_file)) {
            //$this->config['logo'] = PROJECT_BASE."assets/images/".$logo_file;
            $this->config['logo'] = base64_encode(file_get_contents(PROJECT_ROOT."public/assets/images/".$logo_file));
        }
    }

    public function add_header(): void {
        $extra = func_get_args();
        if (count($extra) > 0) $this->header = $extra;
    }

    public function add_sheet(): void {
        $this->sheet++;
    }

    public function add(): void {
        $val_arr = func_get_args(); $ttext = ""; $tstyle = "L";
        if (is_array($val_arr[0])) {
            foreach ($val_arr as $aval) {
                $ttext .= $this->set_align(($aval[0] ?? ""), ($aval[1] ?? 0), ($aval[2] ?? $tstyle));
            }
        } else {
            $ttext = $val_arr[0] ?? "";
            $tstyle = $val_arr[1] ?? $tstyle;
        }
        if (str_contains($ttext, "_LINE")) {
            $tmp_arr = explode(" ", $ttext);
            $ttext = str_pad($tmp_arr[1], $this->maxchr, $tmp_arr[1]);
        }
        $this->acontent[$this->sheet][] = ($tstyle === "X") ? $ttext : $this->set_align($ttext, $this->maxchr, $tstyle);
    }

    public function addl(string $text = ""): void {
        $this->add($text);
    }

    public function addr(string $text = ""): void {
        $this->add($text, "R");
    }

    public function addc(string $text = ""): void {
        $this->add($text, "C");
    }

    public function add_line(string $line = "-"): void {
        $this->add("__LINE ".$line);
    }

    public function add_empty(int $baris = 1): void {
        for ($i=0; $i<$baris; $i++) $this->add("");
    }

    public function add_stamp(int $ctk_ke=1, bool $cetak_nama=false): void {
        $this->add($this->webapp['APP_NAME']."v".$this->webapp['APP_VER'].date("\@ymd.His")."-".isi_nol($this->webuser['UserID'], 3).(($cetak_nama)?"/".strtoupper($this->webuser['Username']):"").(($ctk_ke>0)?"#".isi_nol($ctk_ke,2):""));
    }

    public function show(int $jumlah_ctk=1): void {
        $this->config['times'] = $jumlah_ctk;
        $aout = ['type' => "escp"];
        $aout['config']  = $this->config;
        $aout['header']  = $this->header;
        $aout['content'] = $this->acontent;
        $this->app->json($aout);
    }

    public function set_align(string $text, int $len=0, string $dir="L"): string {
        $apad = ["L"=>STR_PAD_RIGHT, "R"=>STR_PAD_LEFT, "C"=>STR_PAD_BOTH];
        $nlen = ($len==0) ? strlen($text) : $len;
        $ttext = (strlen($text)>$len) ? substr($text, 0, $len) : $text;
        return str_pad($text, $len, " ", $apad[$dir]);
    }

}

?>