using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using WMS.Web.Core.Dto;
using WMS.Web.Domain.IService.Public;
using WMS.Web.Domain.Options;
using WMS.Web.Core.Internal.Results;
using WMS.Web.Core.Dto.LingXing;
using System.Json;
using System.Net.Http;
using NPOI.POIFS.Crypt.Dsig;
using NPOI.SS.Formula.Functions;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Text.RegularExpressions;
using System.Security.Cryptography;
using System.Reflection;
using WMS.Web.Core.Help;
using static System.Net.WebRequestMethods;
using WMS.Web.Domain.Values;
using WMS.Web.Core.Dto.JuShuiTan;

namespace WMS.Web.Domain.Services.Public
{
    /// <summary>
    /// 领星服务接口
    /// </summary>
    public class LingXingService : ILingXingService
    {
        private readonly IHttpClientService _httpClientService;
        private readonly ILogger<LingXingService> _logger;
        private readonly IMemoryCache _memoryCache;
        private int hours = 10;//过期时间 默认10小时
        private readonly lingXingOptions _option;

        public LingXingService(IHttpClientService httpClientService, ILogger<LingXingService> logger,
            IMemoryCache memoryCache, IOptions<lingXingOptions> option)
        {
            this._memoryCache = memoryCache;
            this._httpClientService = httpClientService;
            this._logger = logger;
            _option = option?.Value;
        }

        public async Task<Result<string>> Login()
        {
            string endStr = "/api/auth-server/oauth/access-token";

            var formData = new MultipartFormDataContent();
            formData.Add(new StringContent(_option.AppId), "appId");
            formData.Add(new StringContent(_option.AppSecret), "appSecret");

            var res = await _httpClientService.PostAsync<dynamic>(_option.Url + endStr, formData, null);

            if (res.code != "200")
            {
                _logger.LogInformation($"领星获取授权失败:{res.msg}");
                return Result<string>.ReFailure(ResultCodes.LingXingTokenError);
            }
            string token = res.data.access_token;
            return Result<string>.ReSuccess(token);
        }
        /// <summary>
        /// 获取所有仓库
        /// </summary>
        /// <returns></returns>
        public async Task<Result<List<LingXingStockResponse>>> GetStock()
        {
            var stock_list = _memoryCache.Get<List<LingXingStockResponse>>("lingxing_stock");
            if (stock_list != null && stock_list.Count > 0)
                return Result<List<LingXingStockResponse>>.ReSuccess(stock_list);

            //默认获取本地仓库 如果需要海外仓 另外需传参数type
            var request = new LingXingRequest();
            var resUrl = await GetStr<LingXingRequest>("/erp/sc/data/local_inventory/warehouse", request);
            if (!resUrl.IsSuccess) return Result<List<LingXingStockResponse>>.ReFailure(ResultCodes.LingXingUrlError);

            var res = await _httpClientService.PostAsync<LingXingResponse>(resUrl.Data, JsonConvert.SerializeObject(request), null);
            if (res.Code != 0) return Result<List<LingXingStockResponse>>.ReFailure(ResultCodes.LingXingDataError);

            var list = JsonConvert.DeserializeObject<List<LingXingStockResponse>>(res.Data.ToString());
            //设置缓存
            _memoryCache.Set("lingxing_stock", list, new MemoryCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromMinutes(DateTimeUtil.GetTotalMinutesTimeSpan())));

            return Result<List<LingXingStockResponse>>.ReSuccess(list);
        }

        /// <summary>
        /// 获取所有店铺
        /// </summary>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<Result<List<LingXingSellerResponse>>> GetSeller()
        {
            var seller_list = _memoryCache.Get<List<LingXingSellerResponse>>("lingxing_seller");
            if (seller_list != null && seller_list.Count > 0)
                return Result<List<LingXingSellerResponse>>.ReSuccess(seller_list);

            var request = new LingXingKongRequest();
            var resUrl = await GetStr<LingXingKongRequest>("/erp/sc/data/seller/lists", request);
            if (!resUrl.IsSuccess) return Result<List<LingXingSellerResponse>>.ReFailure(ResultCodes.LingXingUrlError);

            var res = await _httpClientService.GetAsync<LingXingResponse>(resUrl.Data);
            if (res.Code != 0) return Result<List<LingXingSellerResponse>>.ReFailure(ResultCodes.LingXingDataError);

            var list = JsonConvert.DeserializeObject<List<LingXingSellerResponse>>(res.Data.ToString());
            //设置缓存
            _memoryCache.Set("lingxing_seller", list, new MemoryCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromMinutes(DateTimeUtil.GetTotalMinutesTimeSpan())));

            return Result<List<LingXingSellerResponse>>.ReSuccess(list);
        }

        /// <summary>
        /// 获取即使库存
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<Result<List<LingXingInventoryResponse>>> GetInventory(LingXingInventoryRequest dto)
        {
            var resUrl = await GetStr<LingXingInventoryRequest>("/erp/sc/routing/data/local_inventory/inventoryDetails", dto);
            if (!resUrl.IsSuccess) return Result<List<LingXingInventoryResponse>>.ReFailure(ResultCodes.LingXingUrlError);
            List<LingXingInventoryResponse> list = new List<LingXingInventoryResponse>();
            var res = await _httpClientService.PostAsync<LingXingResponse>(resUrl.Data, JsonConvert.SerializeObject(dto), null);
            if (res.Code != 0) return Result<List<LingXingInventoryResponse>>.ReFailure(ResultCodes.LingXingDataError);
            list.AddRange(JsonConvert.DeserializeObject<List<LingXingInventoryResponse>>(res.Data.ToString()));

            int num = res.Total / 800;
            for (int i = 1; i <= num; i++)
            {
                dto.offset = i;
                if (i == num) dto.length = res.Total - (num * 800);
                resUrl = await GetStr<LingXingInventoryRequest>("/erp/sc/routing/data/local_inventory/inventoryDetails", dto);
                if (!resUrl.IsSuccess) return Result<List<LingXingInventoryResponse>>.ReFailure(ResultCodes.LingXingUrlError);
                res = await _httpClientService.PostAsync<LingXingResponse>(resUrl.Data, JsonConvert.SerializeObject(dto), null);
                if (res.Code != 0) return Result<List<LingXingInventoryResponse>>.ReFailure(ResultCodes.LingXingDataError);
                list.AddRange(JsonConvert.DeserializeObject<List<LingXingInventoryResponse>>(res.Data.ToString()));
            }
            return Result<List<LingXingInventoryResponse>>.ReSuccess(list.Where(w => w.Product_Total > 0 && w.Product_Valid_Num > 0).ToList());
        }
        #region 基础函数
        public async Task<Result<string>> GetStr<T>(string urlStr, T data)
        {
            var res = await Login();
            if (!res.IsSuccess) return res;

            LxSignInfo lxSign = new LxSignInfo();

            lxSign.access_token = res.Data;
            lxSign.app_key = _option.AppId;
            lxSign.timestamp = DateTime.Now.DateTimeToTimeStamp().ToString();

            #region ASCII排序
            Dictionary<string, object> testParamDics = new Dictionary<string, object>();
            var ssi = GetEntityPropertyToDic(testParamDics, lxSign.GetType().GetProperties(), lxSign);//把签名参数实体转化为键值对
            var ssdata = GetEntityPropertyToDic(testParamDics, data.GetType().GetProperties(), data);//把参数实体转化为键值对

            // List<KeyValueInfo<string, string>> list = new List<KeyValueInfo<string, string>>();
            Dictionary<string, string> list = new Dictionary<string, string>();
            //string[] arrays = new string[data];

            foreach (var item in typeof(LxSignInfo).GetProperties())
            {
                //KeyValueInfo<string, string> keys = new KeyValueInfo<string, string>();
                //keys.Key = item.Name;
                //keys.Value = ssi[$"{item.Name}"].ToString();
                //list.Add(keys);
                list.Add(item.Name, ssi[$"{item.Name}"].ToString());
            }

            foreach (var item in typeof(T).GetProperties())
            {
                //KeyValueInfo<string, string> keys = new KeyValueInfo<string, string>();
                //keys.Key = item.Name;
                //keys.Value = JsonConvert.SerializeObject(ssdata[$"{item.Name}"]);

                //if (ssdata[$"{item.Name}"] == null) { list.Add(keys); continue; }
                //if (string.IsNullOrEmpty(ssdata[$"{item.Name}"].ToString()))
                //{
                //    continue;//跳过值为NULL的
                //}

                if (ssdata[$"{item.Name}"] == null) { list.Add(item.Name, JsonConvert.SerializeObject(ssdata[$"{item.Name}"])); continue; }
                if (string.IsNullOrEmpty(ssdata[$"{item.Name}"].ToString()))
                {
                    continue;//跳过值为NULL的
                }

                list.Add(item.Name, JsonConvert.SerializeObject(ssdata[$"{item.Name}"]));
            }

            string[] arrays = new string[list.Count];

            int i = 0;
            foreach (var item in list)
            {
                arrays[i] = item.Key;

                i++;
            }

            Array.Sort(arrays, string.CompareOrdinal); //ASCII排序

            string sig = null;
            int j = 0;
            foreach (var item in arrays)
            {
                string key = list.Where(a => a.Key == item).ToList()[0].Key.ToString();
                string value = list.Where(a => a.Key == item).ToList()[0].Value.ToString();

                #region 清除嵌套外的字段值的双引号
                if (value.IndexOf("{", StringComparison.OrdinalIgnoreCase) > -1) { }
                else
                {
                    value = Regex.Replace(value, @"[\""]+", "");//去掉双引号
                }
                #endregion

                if (j == i - 1)
                {
                    sig += $"{key}={value}";
                }
                else
                {
                    sig += $"{key}={value}&";
                }

                j++;
            }
            #endregion

            #region MD5加密转大写+AES/ECB/PKCS5PADDING加密
            //sig = Regex.Replace(sig, @"[\""]+", "");//去掉双引号
            var md5 = MD5Encrypt(sig, false);
            var signs = Encrypt(md5, lxSign.app_key);
            #endregion

            #region 字符转义

            signs = WebUtility.UrlEncode(signs);
            #endregion

            #region 形成签名地址
            var url = _option.Url + urlStr;
            var ret = $"{url}?app_key={lxSign.app_key}&access_token={lxSign.access_token}&timestamp={lxSign.timestamp}&sign={signs}";
            return Result<string>.ReSuccess(ret);
            #endregion
        }

        /// <summary>
        /// 32位MD5加密
        /// </summary>
        /// <param name="strText">要加密字符串</param>
        /// <param name="IsLower">是否以小写方式返回</param>
        /// <returns></returns>
        public static string MD5Encrypt(string strText, bool IsLower = true)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] bytes = System.Text.Encoding.UTF8.GetBytes(strText);
            bytes = md5.ComputeHash(bytes);
            md5.Clear();

            string ret = "";
            for (int i = 0; i < bytes.Length; i++)
            {
                ret += Convert.ToString(bytes[i], 16).PadLeft(2, '0');

            }
            if (IsLower == false) { return ret.PadLeft(32, '0').ToUpper(); }
            return ret.PadLeft(32, '0');
        }
        /// <summary>
        /// AES加密
        /// </summary>
        /// <param name="str">需要加密的字符串</param>
        /// <param name="key">32位密钥</param>
        ///<param name="lv">向量（默认偏移量）</param>
        /// <returns>加密后的字符串</returns>
        public static string Encrypt(string str, string key)
        {
            try
            {

                Byte[] keyArray = System.Text.Encoding.UTF8.GetBytes(key);
                Byte[] toEncryptArray = System.Text.Encoding.UTF8.GetBytes(str);
                var rijndael = new System.Security.Cryptography.RijndaelManaged();
                rijndael.Key = keyArray;
                rijndael.Mode = System.Security.Cryptography.CipherMode.ECB;
                rijndael.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
                rijndael.IV = System.Text.Encoding.UTF8.GetBytes(key);
                System.Security.Cryptography.ICryptoTransform cTransform = rijndael.CreateEncryptor();
                Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
                return Convert.ToBase64String(resultArray, 0, resultArray.Length);

            }
            catch (Exception ex)
            {
                //YellowJLog("调用AES加密方法异常，异常原因：" + ex.Message, "加密异常");
                return "";
            }
        }

        /// <summary>
        /// 类实体的属性与值转化成键值对形式
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="inParam"></param>
        /// <param name="infos"></param>
        /// <param name="Entity"></param>
        public static Dictionary<string, object> GetEntityPropertyToDic<T>(Dictionary<string, object> inParam, PropertyInfo[] infos, T Entity)
        {
            foreach (var info in infos)
            {
                var itemTpe = info.PropertyType;
                //实体中有嵌套类的处理
                if (itemTpe.IsClass && !itemTpe.Name.Equals("String", StringComparison.OrdinalIgnoreCase))
                {
                    //if (info.GetValue(Entity) == null) continue;
                    //GetEntityPropertyToDic(inParam, itemTpe.GetProperties(), info.GetValue(Entity));
                    //inParam.Add(info.Name, info.GetValue(JsonConvert.SerializeObject(Entity), null));
                    inParam.Add(info.Name, info.GetValue(Entity, null));
                }
                else
                {

                    inParam.Add(info.Name, info.GetValue(Entity, null));
                    //sig = Regex.Replace(sig, @"[\""]+", "");//去掉双引号
                }
            }

            return inParam;
        }


        #endregion
    }
    public class LxSignInfo
    {
        public string access_token { get; set; }
        public string app_key { get; set; }
        public string timestamp { get; set; }
    }
}