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

    Module        : /assets/js/qz/qz-start.js
    Desc.         : Setup QZ Connection
    Created By    : Siau Pheng (siaupheng@3fonia.com).
    Created Date  : May 27th, 2007.
    Last Modified : August 22nd, 2026.

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

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

const _divStatus = '#divQZStatus';

if (typeof qz !== 'undefined') {
    qz.security.setSignatureAlgorithm("SHA512");
    qz.security.setCertificatePromise((resolve, reject) => {
        jQuery.ajax({url:'qz/cert', cache:false, dataType:'text'}).then(resolve, reject);
    });
    qz.security.setSignaturePromise((toSign) => {
        return (resolve, reject) => {
            jQuery.ajax('qz/sign/'+toSign).then(resolve, reject);
        };
    });
    qz.websocket.setClosedCallbacks((evt) => {
        _updateState('Inactive');
        if (evt.reason) console.info("Connection closed: " + evt.reason);
    });
    qz.websocket.setErrorCallbacks((evt) => {
        _updateState('Error');
        if (evt.target != undefined) {
            var err = (evt.target.readyState >= 2) ? "Connection to QZ Tray was closed" : "A connection error occurred, check log for details";
            console.info(err)
        }
    });
}

function launchQZ() {
    if (!qz.websocket.isActive()) {
        window.location.assign("qz:launch");
        startConnection({ retries: 5, delay: 1 });
    }
}

function startConnection(config) {
    config = config ? config : {};
    if (!qz.websocket.isActive()) {
        _updateState('Waiting');
        qz.websocket.connect({...config, host: 'localhost'}).then(() => {
            _updateState('Active');
            _findDefaultPrinter();
        }).catch(() => _updateState('Error'));
    } else {
        console.info('An active connection with QZ already exists.');
    }
}

function endConnection(){
    if (qz.websocket.isActive()) {
        qz.websocket.disconnect().then(() => {
            _updateState('Inactive');
        }).catch(() => _updateState('Error'));
    } else {
        console.info('No active connection with QZ exists.');
    }
}

function _findDefaultPrinter(){
    qz.printers.getDefault().then((data) => {
        var _printer = data;
        if (typeof data === 'object' && data.name == undefined) {
            if (data.file != undefined) _printer = "FILE: " + data.file;
            if (data.host != undefined) _printer = "HOST: " + data.host + ":" + data.port;
        } else {
            if (data.name != undefined) _printer = data.name;
            if (data== undefined) _printer = 'NONE';
        }
        FoniaJS._def_printer = data;
        FoniaJS._def_printname = _printer;
        setTimeout(() => $(_divStatus).html($(_divStatus).html() + ' // ' + _printer), 2000);
    });
}

function _updateState(text){
    $(_divStatus).html(text).removeClass('border-success border-warning text-success');
    if (text == "Active") {
        $(_divStatus).addClass('border-success text-success');
    } else {
        $(_divStatus).addClass('border-warning');
    }
    $('li#qzL, li#qzS, li#qzZ').removeClass('d-none');
    if (text !== "Error") {
        $('li#qzL').addClass('d-none');
    } else $('li#qzS, li#qzZ').addClass('d-none');
}