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

    Module        : /assets/js/pole-display.js
    Desc.         : JS Class Tampil Data di Pole Display POS
    Created By    : Siau Pheng (siaupheng@3fonia.com).
    Created Date  : October 12th, 2025.

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

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

var cPOLEDISPLAY = function(port, options){
    var _cd_port = '';
    var _cd_pole = '';
    var _options = {
       rx: { start: '\x02', end: '\x0D', width: null },
       baudRate: 9600,
       dataBits: 8,
       stopBits: 1,
       parity: 'NONE',
       flowControl: 'NONE'
    };

    this.construct = function (port, options){
        $.extend(_options, options);
        _cd_port = port;
    };

    this.Open = function (){
        if (_cd_pole === '') {
            qz.serial.openPort(_cd_port, _options).then(() => {
                _cd_pole = _cd_port;
                this.cd_Error(_cd_port+' opened');
            }).then(() => {
                qz.serial.sendData(_cd_pole, {type:'HEX',data:'x1Bx40'}, _options).catch(this.cd_Error);
            }).catch(this.cd_Error);
        }
    };

    this.Close = function (){
        qz.serial.closePort(_cd_port).then(() => {
            _cd_pole = '';
            this.cd_Error(_cd_port+' closed');
        }).catch(this.cd_Error);
    };

    this.Send = function (txt){
        if (_cd_pole === '') return false;
        var ascii_to_hexa = function(str) {
            var arr1 = [];
            for (var n = 0, l = str.length; n < l; n++) {
                var hex = Number(str.charCodeAt(n)).toString(16);
                if (hex.length==1) hex = '0' + hex;
                arr1.push(hex.toUpperCase());
            }
            return 'x' + arr1.join('x');
        };
        var _txt = txt;
        if (Array.isArray(txt)) {
            _txt = '';
            txt.forEach((ele) => {
                _txt += this.cd_Text(ele['t'], ele['a']);
            });
        }
        qz.serial.sendData(_cd_pole, {type:'HEX',data:'x10C'+ascii_to_hexa(_txt)}, _options).catch(this.cd_Error);
    };

    this.cd_Text = function (text, align){
        const totWidth = 20;
        const txtLength = text.length;
        if (txtLength >= totWidth) {
            return text.substring(0, totWidth);
        }
        const padding = totWidth - txtLength;
        var lPadding = 0;
        var rPadding = padding;
        if (align === null) align = 'L';
        if (align == 'C'){
            lPadding = Math.floor(padding / 2);
            rPadding = Math.ceil(padding / 2);
        } else if (align == 'R'){
            lPadding = padding;
            rPadding = 0;
        }
        return " ".repeat(lPadding) + text + " ".repeat(rPadding);
    };

    this.cd_Error = function (err){
        console.error(err);
    };

    this.construct(port, options);
};