using System;
using System.IO;
using System.Text;
using UnityEngine;

namespace ET
{
    public static class ConfigHelper
    {
        public static async ETTask<byte[]> GetBytes(string key)
        {
            try
            {
#if SERVER
                string path = $"{System.AppDomain.CurrentDomain.BaseDirectory}../DataTable/{key}.json";
                var buffer = await File.ReadAllBytesAsync(path);
                return buffer;
#else
                string path = $"Assets/Download/DataTable/{key}.json";
                TextAsset text = await ResourceHelper.LoadAssetAsync<TextAsset>(path);
                byte[] buffer = text.bytes;
                return buffer;
#endif
            }
            catch (Exception e)
            {
                throw new Exception($"load data file fail, key: {key}", e);
            }
        }
        public static async ETTask<string> GetTextAsync(string key)
        {
            try
            {
#if SERVER
                string path = $"{System.AppDomain.CurrentDomain.BaseDirectory}../DataTable/{key}.json";
                if(!File.Exists(path))
                {
                    path = $"{System.AppDomain.CurrentDomain.BaseDirectory}../Config/{key}.json";
                    var str = await File.ReadAllTextAsync(path);
                    return str;
                }
                else
                {
                    var str = await File.ReadAllTextAsync(path);
                    var bytes = ZipHelper.Decompress(Convert.FromBase64String(str));
                    str = Encoding.UTF8.GetString(bytes);
                    return str;
                }
#else
                string path = $"Assets/Download/DataTable/{key}.json";
#if UNITY_EDITOR
                var str = File.ReadAllText(path);
#else
                TextAsset text = await ResourceHelper.LoadAssetAsync<TextAsset>(path);
                var str = text.text;
#endif
                var bytes = ZipHelper.Decompress(Convert.FromBase64String(str));
                str = Encoding.UTF8.GetString(bytes);
                return str;
#endif
            }
            catch (Exception e)
            {
                throw new Exception($"load data file fail, key: {key}", e);
            }
        }
        public static string GetText(string key)
        {
            try
            {
#if SERVER
                string path = $"{System.AppDomain.CurrentDomain.BaseDirectory}../DataTable/{key}.json";
                if (!File.Exists(path))
                {
                    path = $"{System.AppDomain.CurrentDomain.BaseDirectory}../Config/{key}.json";
                    var str = File.ReadAllText(path);
                    return str;
                }
                else
                {
                    var str = File.ReadAllText(path);
                    var bytes = ZipHelper.Decompress(Convert.FromBase64String(str));
                    str = Encoding.UTF8.GetString(bytes);
                    return str;
                }
#else
                string path = $"Assets/Download/DataTable/{key}.json";
#if UNITY_EDITOR
                var str = File.ReadAllText(path);
#else
                TextAsset text =  ResourceHelper.LoadAsset<TextAsset>(path);
                var str = text.text;
#endif
                var bytes = ZipHelper.Decompress(Convert.FromBase64String(str));
                str = Encoding.UTF8.GetString(bytes);
                return str;
#endif
            }
            catch (Exception e)
            {
                throw new Exception($"load data file fail, key: {key}", e);
            }
        }
        public static string GetGlobal()
        {
            try
            {
#if SERVER
                return null;
#else
                GameObject config = (GameObject)ResourcesHelper.Load("KV");
                string configStr = config.Get<TextAsset>("GlobalProto").text;
                return configStr;
#endif
            }
            catch (Exception e)
            {
                throw new Exception($"load global config file fail", e);
            }
        }

        public static T ToObject<T>(string str)
        {
            return MongoHelper.FromJson<T>(str);
        }
    }
}