var GetURL = require('./GetURL'); 
var CONST = require('./const'); 
var XHRLoader = require('./XHRLoader'); 
var XHRSettings = require('./XHRSettings'); 
var MergeXHRSettings = require('./MergeXHRSettings'); 
var File = function (type, key, url, responseType, xhrSettings){ 
this.type = type; 
this.key = key; 
_AN_Write_url('url', this, false , url); 
_AN_Write_src('src', this, false , ''); 
this.xhrSettings = XHRSettings(responseType); 
if (xhrSettings) { 
this.xhrSettings = MergeXHRSettings(this.xhrSettings, xhrSettings); 
} 
this.xhrLoader = null ; 
this.state = CONST.FILE_PENDING; 
this.bytesTotal = 0; 
this.bytesLoaded = -1; 
this.percentComplete = -1; 
this.crossOrigin = undefined; 
this.data = undefined; 
this.linkFile = undefined; 
this.linkType = ''; 
this.callback = null ; 
} 
; 
File.prototype.constructor = File; 
File.prototype = { 
resetXHR: function (){ 
this.xhrLoader.onload = undefined; 
this.xhrLoader.onerror = undefined; 
this.xhrLoader.onprogress = undefined; 
} 
,
onLoad: function (event){ 
this.resetXHR(); 
this.callback(this, true ); 
} 
,
onError: function (event){ 
this.resetXHR(); 
this.callback(this, false ); 
} 
,
onProgress: function (event){ 
if (event.lengthComputable) { 
this.bytesLoaded = event.loaded; 
this.bytesTotal = event.total; 
this.percentComplete = Math.min((this.bytesLoaded / this.bytesTotal), 1); 
} 
} 
,
onProcess: function (callback){ 
this.state = CONST.FILE_PROCESSING; 
this.onComplete(); 
callback(this); 
} 
,
onComplete: function (){ 
if (this.linkFile) { 
if (this.linkFile.state === CONST.FILE_WAITING_LINKFILE) { 
this.state = CONST.FILE_COMPLETE; 
this.linkFile.state = CONST.FILE_COMPLETE; 
} 
 else { 
this.state = CONST.FILE_WAITING_LINKFILE; 
} 
} 
 else { 
this.state = CONST.FILE_COMPLETE; 
} 
} 
,
load: function (callback, baseURL, globalXHR){ 
if (baseURL === undefined) { 
baseURL = ''; 
} 
this.callback = callback; 
_AN_Write_src('src', this, false , GetURL(this, baseURL)); 
if (_AN_Read_src('src', this).indexOf('data:') === 0) { 
console.log('Local data URI'); 
} 
 else { 
this.xhrLoader = XHRLoader(this, globalXHR); 
} 
} 
}
; 
module.exports = File;