using UnityEngine;
using System.Collections;
using System.Text;

namespace Engine.CLoader
{
    /// <summary>资源类型</summary>
    public enum AssetsType
    {
        /// <summary>配置文件资源</summary>
        Config = 0,
        /// <summary>正常的游戏资源</summary>
        Assets,
        /// <summary>场景资源</summary>
        Scene,
        /// <summary>UI资源</summary>
        UI,
    }

    public class CLoaderConst
    {

        /// <summary>AssetsBundle资源路径</summary>
#if UNITY_EDITOR
        public static readonly string AssetsBundleURL  = "file://" + Application.dataPath + "/StreamingAssets/";
#elif UNITY_ANDROID
        public static readonly string AssetsBundleURL =  "jar:file://" + Application.dataPath + "!/assets/";
#elif UNITY_IPHONE
        public static readonly string AssetsBundleURL = Application.dataPath + "/Raw/";  
#elif UNITY_STANDALONE_WIN || UNITY_EDITOR  
		public static readonly string AssetsBundleURL = "file://" + Application.dataPath + "/StreamingAssets/";  
#else
		public static readonly string AssetsBundleURL = "file://" + Application.dataPath + "/StreamingAssets/";
#endif
		 
        /// <summary>下载对象的最大个数</summary>
        public static int CLoaderMaxCount = 5;

        /// <summary>资源文件后缀名</summary>
        public const string AB_POSTFIX = ".assetbundle";
        /// <summary>数据资源后缀名</summary>
        public const string DATA_POSTFIX = ".bytes";
        /// <summary>预制件资源后缀名</summary>
        public const string PREFAB_POSTFIX = ".prefab";
        /// <summary>音效后缀</summary>
        public const string MP3_POSTFIX = ".mp3";

		/// <summary>添加一个后缀</summary>
		public static string AddPostfix(string source, string postfix)
		{
			if (string.IsNullOrEmpty (source)) {
				return string.Empty;
			}

			if (source.IndexOf (postfix) == -1) {
				StringBuilder strBuilder = new StringBuilder ();
				strBuilder.Append (source);
				strBuilder.Append (postfix);
				return strBuilder.ToString ();
			} else {
				return source;
			}
		}
    }
}