using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CeramicProjectTool.Util
{
    public static class Store
    {
        private static string _storePath = PathUtil.AppRoot;
        private static Dictionary<string, object> datas = new Dictionary<string, object>();
        public static void StoreData(string key, string value)
        {
            // Store data to local file
        }

        public static bool SaveOrUpdateDataToFile(string key, object value)
        {
            if (datas.ContainsKey(key))
            {
                datas[key] = value;
            }
            else
            {
                datas.Add(key, value);
            }
            return SaveToFile(key);
        }

        public static T? GetStoreData<T>(string key)
        {
            if (datas.ContainsKey(key))
            {
                var data = datas[key];
                if (!(data is T))
                {
                    try
                    {
                        var dataJson = Serialize(data);
                        var dataObj = Deserialize<T>(dataJson);
                        return dataObj;
                    }
                    catch (Exception)
                    {

                        throw new InvalidCastException("数据类型不一致！");
                    }
                }
                return (T)data;
            }
            else
            {
                if (LoadFromFile(key))
                {
                    return GetStoreData<T>(key);
                }
                return default(T);
            }
        }
        public static void Init()
        {
            if (_storePath == null)
            {
                return;
            }
            // Load data from local file
            loadAll();
        }


        public static bool SaveAll()
        {
            foreach (var key in datas.Keys)
            {
                if (!SaveToFile(key))
                {
                    return false;
                }
            }
            return true;
        }

        public static bool SaveToFile(string key)
        {
            var filePath = GetFilePath(key);
            var data = Serialize(datas[key]);
            try
            {
                System.IO.File.WriteAllText(filePath, data);
                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
                return false;
            }
        }
        public static bool LoadFromFile(string key)
        {
            var filePath = GetFilePath(key);
            if (!System.IO.File.Exists(filePath))
            {
                return false;
            }
            try
            {
                var data = System.IO.File.ReadAllText(filePath);
                datas[key] = Deserialize<object>(data);
                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
                return false;
            }
        }

        private static string GetFilePath(string key)
        {
            var fullPath = _storePath;
            if (!System.IO.Directory.Exists(fullPath))
            {
                System.IO.Directory.CreateDirectory(fullPath);
            }

            return System.IO.Path.Combine(fullPath, key);
        }
        public static bool loadAll()
        {
            //var fullPath = System.IO.Path.Combine(AppRoot, FILE_STORE_PATH);
            if (!System.IO.Directory.Exists(_storePath))
            {
                return false;
            }
            var files = System.IO.Directory.GetFiles(_storePath);
            foreach (var file in files)
            {
                var key = System.IO.Path.GetFileName(file);
                key = key.Replace(".json", "");
                if (!LoadFromFile(key))
                {
                    return false;
                }
            }
            return true;
        }

        #region 序列化
        private static string Serialize(object obj)
        {
            return Newtonsoft.Json.JsonConvert.SerializeObject(obj);
        }
        private static T? Deserialize<T>(string json)
        {
            return Newtonsoft.Json.JsonConvert.DeserializeObject<T>(json);
        }
        #endregion

    }
}