'use strict';

odoo.define('pos_backend_communication.tools', function (require) {
    var translation = require('web.translation');
    var core = require('web.core');
    var _t = translation._t;
    var callbacks = {};

    function dispatchMessageEvent(message) {
        //don't be tricked by others sites
        if (message.origin !== window.location.origin) {
            return console.error('Message coming from untrusted source');
        }

        if (!message.data.type) {
            return console.error('Uncompliant message');
        }

        var fun = callbacks[message.data.type];
        if (fun) {
            fun(message);
        } else if(core.debug) {
            console.error('Unkown message type', message.data.type);
        }
    }

    function open_page(url, msg, identifier) {
        var bo = window.open(url, identifier || 'backoffice'); //unique identifier of the 2nd window
        if (!bo) {
            throw _t("Please authorize popups for this window");
        }
        bo.postMessage(msg, window.location.origin); //because backoffice.alert set focus
    }

    window.addEventListener('message', dispatchMessageEvent);
    return { 
        'callbacks': callbacks,
        'open_page': open_page,
    };
});