using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using TaskManager.Entity;
using TaskManager.EntityFramework;
using TaskManager.EntityFramework;




namespace TaskManager.Controllers
{
    public class RecurringJobBaseController :ControllerBase,  IDoExecute
    {
        protected string appKey = "8EG566b9bedd2bf46d";
        protected string appSecret = "48edc4425647425d87f806a1ba492580";
        protected readonly HttpClient _httpClient;
        protected readonly JobDbContext _jobDbContext;
        protected string Path { set; get; } = "/v2/get/supplierProPlaning";
        protected string Url { set; get; } = "/v2/get/supplierProPlaning";
        protected virtual string TaskName { set; get; } = "SupplierProPlaning";
        protected readonly LogController _logger;
       



        public RecurringJobBaseController(
            HttpClient httpClient,
            JobDbContext jobDbContext,
            LogController log
            )
        {
            _httpClient = new HttpClient();
            _jobDbContext = jobDbContext;
            _logger = log;
        }

        /// <summary>
        /// 提交给接口
        /// </summary>
        /// <param name="url"></param>
        /// <param name="jsonData">录入DTOJson</param>
        /// <returns>返回DTOJson</returns>
        protected async Task<string> Post(string url, string path, string jsonData)
        {
            try
            {
                // 生成签名参数
                string timeStamp = GetCurrentTimestamp();
                string nonce = GenerateNonce();
                var sign = GenerateSign(HttpMethod.Post.Method, path, appKey, appSecret, timeStamp, nonce, jsonData);
                // 构建请求
                var request = new HttpRequestMessage(HttpMethod.Post, url);
                request.Content = new StringContent(jsonData, Encoding.UTF8, "application/json");
                request.Headers.Add("appKey", appKey);
                request.Headers.Add("appSecret", appSecret);
                request.Headers.Add("timestamp", timeStamp);
                request.Headers.Add("sign", sign);
                request.Headers.Add("nonce", nonce);

                // 发送请求
                var response = await _httpClient.SendAsync(request);
                response.EnsureSuccessStatusCode(); // 抛出异常处理状态码
                return await response.Content.ReadAsStringAsync();
            }
            catch (HttpRequestException ex)
            {
                await _logger.AddError(ex.Message, this.TaskName);
                //error = ex.Message;
                return string.Empty;
            }
        }

        private string GenerateSign(string method, string path, string appKey, string appSecret, string timestamp, string nonce, string jsonBody)
        {

            string paramStr = $"method={method.ToUpper()}&path={path}&appKey={appKey}&appSecret={appSecret}&timestamp={timestamp}&nonce={nonce}&jsonBody={jsonBody}";
            return ComputeSHA512(paramStr);

        }
        private string ComputeSHA512(string input)
        {
            using (SHA512 sha512 = SHA512.Create())
            {
                byte[] bytes = Encoding.UTF8.GetBytes(input);
                byte[] hash = sha512.ComputeHash(bytes);

                StringBuilder builder = new StringBuilder();
                for (int i = 0; i < hash.Length; i++)
                {
                    builder.Append(hash[i].ToString("x2")); // "x2" 表示小写十六进制
                }
                return builder.ToString();
            }
        }
        private string GetCurrentTimestamp()
        {
            return ((long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds).ToString();
        }
        private string GenerateNonce()
        {
            const string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            Random random = new Random();
            int length = random.Next(10, 51);
            return new string(Enumerable.Repeat(chars, length)
              .Select(s => s[random.Next(s.Length)]).ToArray());
        }


        private async Task BeforeExecuteAsync(string uid)
        {
            await _logger.AddInfo($"{TaskName}开始执行作业{uid}", TaskName);
        }
        private async Task AfterExecuteAsync(string uid)
        {
            await _logger.AddInfo($"{TaskName}结束执行作业{uid}", TaskName);
        }
        [HttpGet]
        public async Task ExecuteAsync(string url, string path, string taskName)
        {
            var str = DateTime.Now.ToLongTimeString();
            await BeforeExecuteAsync(str);

            await DoExecutingAsync(url, path, taskName);

            await AfterExecuteAsync(str);

        }
        protected async virtual Task DoExecutingAsync(string url, string path, string takName)
        {






        }
        protected static string RemoveWhitespace(string input)
        {
            if (string.IsNullOrEmpty(input))
                return input;
            // 使用正则表达式移除空格和换行
            return Regex.Replace(input, @"[\s]+", "");
        }

        







    }





}