using XGame.Framework.Define;
using System.IO;
using UnityEngine;

namespace XGame.Framework.Utils
{
    public static class FileUtils
    {
        //public static string PlatformName
        //{
        //    get
        //    {
        //        switch (Application.platform)
        //        {
        //            case RuntimePlatform.OSXEditor:
        //            case RuntimePlatform.OSXPlayer:
        //                return "Mac";
        //            case RuntimePlatform.IPhonePlayer:
        //                return "iOS";
        //            case RuntimePlatform.Android:
        //                return "Android";
        //            //case RuntimePlatform.WindowsEditor:
        //            //case RuntimePlatform.WindowsPlayer:
        //            default:
        //                return "Windows";
        //        }
        //    }
        //}

        /// <summary>
        /// 获取游戏包里的文件路径
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="includeUpdate"></param>
        /// <returns></returns>
        public static string GetFilePath(string fileName, bool includeUpdate = true)
        {
            //先取热更新的资源
            //var path = Path.Combine(UpdatePath, fileName);
            if (TryGetFilePath(fileName, includeUpdate, out var path))
            {
                return path;
            }
            //找不到再从内置资源里取
            return $"{PathDefine.WorkPath}/{fileName}";
        }

        /// <summary>
        /// 获取游戏包里的文件URL
        /// </summary>
        /// <param name="fileName">文件名</param>
        /// <param name="includeUpdate"></param>
        /// <returns></returns>
        public static string GetFileUrl(string fileName, bool includeUpdate = true)
        {
            //先取热更新的资源
            //string path = Path.Combine(UpdatePath, fileName);
            if (TryGetFilePath(fileName, includeUpdate, out var path))
            {
                return "file://" + path;
            }
            //找不到再从内置资源里取
            if (Application.platform == RuntimePlatform.Android)
                return $"jar:file://{PathDefine.WorkPath}/{fileName}";
            return $"file://{PathDefine.WorkPath}/{fileName}";
        }

        private static bool TryGetFilePath(string fileName, bool includeUpdate, out string path)
        {
            if (includeUpdate)
            {
                //先取热更新的资源
                path = $"{PathDefine.UpdatePath}/{fileName}";
                if (System.IO.File.Exists(path))
                {
                    return true;
                }
            }
            else
            {
                path = string.Empty;
            }
#if UNITY_EDITOR
            //编辑器下多做一步平台判断
            path = $"{PathDefine.WorkPath}/{fileName}";
            if (System.IO.File.Exists(path))
            {
                return true;
            }
            var platform = PlatformType.Windows;
#if UNITY_ANDROID
            platform = PlatformType.Android;
#elif UNITY_IOS
            platform = PlatformType.iOS;
#elif UNITY_WEIXINMINIGAME
            platform = PlatformType.Weixin;
#elif UNITY_WEBGL
            platform = PlatformType.WebGL;
#endif
            path = $"{PathDefine.WorkPath}/{platform}/{fileName}";
            if (System.IO.File.Exists(path))
            {
                return true;
            }
#endif
            return false;
        }

        public static string GetAssetBundlePath(string bundleName)
        {
            return GetFilePath(Path.Combine("AssetBundles", bundleName));
        }

    }
}