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

namespace ProjectManagementSystem.WebApiClient.Service
{
    public class RestApi<T> where T : class, new()
    {
        public T Get(string url, object pars, object body, out string content)
        {
            IRestResponse<T> reval = GetApiInfo(url, pars, body, Method.GET);
            content = reval.Content;
            return reval.Data;
        }
        public T Post(string url, object pars, object body, out string content)
        {
            IRestResponse<T> reval = GetApiInfo(url, pars, body, Method.POST);
            content = reval.Content;
            return reval.Data;
        }
        public T Delete(string url, object pars, object body, out string content)
        {
            IRestResponse<T> reval = GetApiInfo(url, pars, body, Method.DELETE);
            content = reval.Content;
            return reval.Data;
        }
        public T Put(string url, object pars, object body, out string content)
        {
            IRestResponse<T> reval = GetApiInfo(url, pars, body, Method.PUT);
            content = reval.Content;
            return reval.Data;
        }

        public IRestResponse<T> GetApiInfo(string url, object pars, object body, Method type)
        {
            var request = new RestRequest(type);
            if (pars != null)
            {
                request.AddObject(pars);
            }

            if (body != null)
            {
                request.AddJsonBody(body);
            }

            var client = new RestClient(url);
            //client.Authenticator = new RestSharp.Authenticators.HttpBasicAuthenticator("admin", "123456");
            //client.CookieContainer = new System.Net.CookieContainer();
            //client.ClearHandlers();
            //client.AddHandler("text/plain", () => new RestSharp.Serialization.Json.JsonDeserializer());
            IRestResponse<T> reval = client.Execute<T>(request);
            if (reval.ErrorException != null)
            {
                throw new Exception($"请求出错 {url} {reval.ErrorMessage} {reval.Content}");
            }
            return reval;
        }

        public string RequestUseHttpClient(string url, string data = "", Method requestMethod = Method.POST)
        {
            HttpClient http = new HttpClient(new HttpClientHandler()
            {
                //启用压缩,节省流量
                AutomaticDecompression = DecompressionMethods.GZip
            });

            HttpResponseMessage response = null;
            switch (requestMethod)
            {
                //case Method.:
                //    HttpRequestMessage hrm = new HttpRequestMessage(HttpMethod.Get, url);
                //    HttpContent hc = new StringContent(data);
                //    hc.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
                //    hrm.Content = hc;
                //    response = http.SendAsync(hrm).Result;
                //    break;

                case Method.GET:
                    http.DefaultRequestHeaders.Add("ContentType", "application/x-www-form-urlencoded");
                    response = http.GetAsync(url).Result;
                    break;
                case Method.POST:
                    HttpContent httpContent = new StringContent(data);
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    response = http.PostAsync(url, httpContent).Result;
                    break;
                case Method.PUT:
                    HttpContent putContent = new StringContent(data);
                    putContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    response = http.PutAsync(url, putContent).Result;
                    break;
                default:
                    break;
            }
            var res = response?.Content.ReadAsStringAsync().Result;
            return res;
        }
    }
}