var Q = require("q");

var $ = require("jquery");

var _ = require("hr.utils");

var Model = require("hr.model");

var logger = require("hr.logger")("package");

function getScript(url, callback) {

var head = document.getElementsByTagName("head")[0];

var script = document.createElement("script");

script.src = url;

// Handle Script loading

{

var done = false;

// Attach handlers for all browsers

script.onload = script.onreadystatechange = function(){

if ( !done && (!this.readyState ||

this.readyState == "loaded" || this.readyState == "complete") ) {

done = true;

if (callback)

callback();

// Handle memory leak in IE

script.onload = script.onreadystatechange = null;

}

};

script.onerror = function(err) {

callback(err);

};

}

head.appendChild(script);

// We handle everything using the script element injection

return undefined;

}

var Package = Model.extend({

defaults: {

name: null,

errors: []

},

idAttribute: "name",

/*

* Return base url for the addon

*/

url: function() {

var basePath = window.location.pathname;

basePath = basePath.substring(0, basePath.lastIndexOf('/')+1);

return basePath+"packages/"+this.get("name");

},

/**

* Load the addon

*/

load: function() {

var context, main, pkgRequireConfig, pkgRequire, that = this

var d = Q.defer();

if (!this.get("browser")) return Q();

logger.log("Load", this.get("name"));

getScript(this.url()+"/pkg-build.js", function(err) {

if (!err) return d.resolve();

logger.exception("Error loading plugin:", err);

d.reject(err);

});

return d.promise.timeout(10000, "This addon took to long to load (> 10seconds)");

},

/**

* Return version as a number

*/

version: function() {

return parseInt(this.get("version").replace(/\./g,""));

}

});

module.exports = Package;