//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-present, Egret Technology.
//  All rights reserved.
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Egret nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
//  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//  IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
//  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////

namespace RES.web {

    /**
     * @private
     */
    export class Html5VersionController extends egret.EventDispatcher implements VersionController {

        constructor() {
            super();
        }

        private _versionInfo:Object = {};

        public fetchVersion(callback:egret.AsyncCallback):void {

            callback.onSuccess(null);
            return;

            /*

            todo

            let self = this;

            let virtualUrl:string = "all.manifest";

            let httpLoader:egret.HttpRequest = new egret.HttpRequest();
            httpLoader.addEventListener(egret.Event.COMPLETE, onLoadComplete, this);
            httpLoader.addEventListener(egret.IOErrorEvent.IO_ERROR, onError, this);

            httpLoader.open(virtualUrl + "?r=" + Date.now(), "get");
            httpLoader.send();

            function onError(event:egret.IOErrorEvent) {
                removeListeners();
                self.dispatchEvent(event);
            }

            function onLoadComplete() {
                removeListeners();

                self._versionInfo = JSON.parse(httpLoader.response);

                window.setTimeout(function () {
                    self.dispatchEvent(new egret.Event(egret.Event.COMPLETE));
                }, 0);
            }

            function removeListeners():void {
                httpLoader.removeEventListener(egret.Event.COMPLETE, onLoadComplete, self);
                httpLoader.removeEventListener(egret.IOErrorEvent.IO_ERROR, onError, self);
            }

            */
        }

        /**
         * 获取所有有变化的文件
         * @returns {any[]}
         */
        public getChangeList():Array<{url:string; size:number}> {
            return [];
        }

        public getVirtualUrl(url:string):string {

            return url;

            /*

            todo

            if (DEBUG) {
                return url;
            }
            if (this._versionInfo && this._versionInfo[url]) {
                return "resource/" + this._versionInfo[url]["v"].substring(0, 2) + "/" + this._versionInfo[url]["v"] + "_" + this._versionInfo[url]["s"] + "." + url.substring(url.lastIndexOf(".") + 1);
            }
            else {
                return url;
            }

            */
        }
    }

    if (egret.Capabilities.runtimeType == egret.RuntimeType.WEB) {
        VersionController = Html5VersionController;
    }
}