using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEngine;

namespace Thousandto.Core.Base
{  
    /// <summary>
    /// WWW的工厂
    /// </summary>
    public class WWWFactory
    {
        /// <summary>
        /// 获取某个文件的Cache的WWW对象
        /// </summary>
        /// <param name="filePath"></param>
        /// <returns></returns>
        public static WWW GetWWWFileCache(string filePath, bool inAndroidPkg)
        {
            WWW retval = null;
            string path = filePath;
            var code = AssetsCacheManager.GetFileVersion(filePath);            
            if (!inAndroidPkg && !File.Exists(filePath))
            {
                Debug.LogError(string.Format(
                                "AsyncLoadBundle load failed! NOT EXIST File:{0}",
                                filePath));
                return retval;
            }
            
            if (!inAndroidPkg)
                path = "file://" + filePath;
            //Debug.Log("WWWURL:"+filePath+";;code:"+code);
            retval = WWW.LoadFromCacheOrDownload(path, code);
            return retval;
        }

        /// <summary>
        /// 获取文件的WWW对象
        /// </summary>
        /// <param name="filePath"></param>
        /// <returns></returns>
        public static WWW GetWWWFile(string filePath ,bool inAndroidPkg)
        {
            WWW retval = null;
            var path = filePath;
            
            if (!inAndroidPkg && !File.Exists(filePath))
            {
                Debug.LogError(string.Format(
                                "AsyncLoadBundle load failed! NOT EXIST File:{0}",
                                filePath));
                return retval;
            }
            if (!inAndroidPkg)
                path = "file://" + filePath;
            //Debug.Log("WWWURL:" + filePath);
            retval = new WWW(path);
            return retval;
 
        }
    }
}