using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Configuration;

namespace CP.Common
{
    public class ApiHelper
    {
        #region 配置
        private static string _url = null;
        public ApiHelper(string url)
        {
            _url = url;
            if (string.IsNullOrEmpty(url))
                url = ConfigurationManager.AppSettings["ZxUrl"];

        }

        public static string GetUrl
        {
            get
            {
                if (string.IsNullOrEmpty(_url))
                    return ConfigurationManager.AppSettings["ZxUrl"];
                return _url;
            }

        }

        /// <summary>
        /// 资讯接口验证配置
        /// </summary>
        public static Dictionary<string, string> ZXHeader
        {
            get
            {
                return Nested.zxHeader;
            }
        }

        class Nested
        {
            internal static readonly Dictionary<string, string> zxHeader = new Dictionary<string, string> {
                { "Code",ConfigurationManager.AppSettings["ZxCode"] }
            };
        }

        #endregion

        /// <summary>
        /// get请求
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static string Get(string url, Dictionary<string, string> header = null)
        {
            var handler = new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate };//文件类型
            using (var http = new HttpClient(handler))
            {
                AddHeader(http, header);
                var response = http.GetStringAsync(GetUrl + url);//请求
                var data = response.Result.ToString().JsonToT<BaseJsonResult>();
                if (data.Code == 200)
                    return data.Data.ToString();
                else
                    return string.Empty;
            }
        }

        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="jsonObj"></param>
        /// <returns></returns>
        public static string Post(string url, object jsonObj, Dictionary<string, string> header = null)
        {
            var handler = new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate };//文件类型
            using (var http = new HttpClient(handler))
            {
                AddHeader(http, header);
                var response = http.PostAsJsonAsync(GetUrl + url, jsonObj).Result;
                response.EnsureSuccessStatusCode();

                var data = response.Content.ReadAsStringAsync().Result.ToString().JsonToT<BaseJsonResult>();
                if (data.Code == 200)
                    return data.Data.ToString();
                else
                    return string.Empty;
            }
        }



        private static void AddHeader(HttpClient http, Dictionary<string, string> header)
        {
            if (header == null)
                return;
            foreach (var item in header)
            {
                http.DefaultRequestHeaders.Add(item.Key, item.Value);//添加headers
            }
        }


    }
    public class BaseJsonResult
    {
        /// <summary>
        /// 状态编码
        /// </summary>
        public int Code { get; set; }

        /// <summary>
        /// 数据
        /// </summary>
        public object Data { get; set; }

        /// <summary>
        /// 返回信息
        /// </summary>
        public string Message { get; set; }
    }
}