using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using AllBase;
using NaiBa.Util.Extension;
using Newtonsoft.Json.Linq;

namespace Work.CollectClass
{
    public class PermissionBLL
    {
        public async Task<TData<List<KeyValueBase>>> GetModuleList()
        {
            //http://new.qixiaoke.com/?obj=pinbaobao/nav_group_list&cid=18816&uid=103234&key=936746136&time=1593587666&code=09EC59F354BE1341654C3C7E218931B9
            string url = BaseClass.BuildObjString("nav_group_list");
            string data = UserLogin.GetSignaturex();
            string html = await PostAsync(new HttpParam { Url = url, PostData = data });
            //html = HtmlHelper.UnicodeDecode(html);
            html=GetHtml.UrlDecode(html);
            TData<List<KeyValueBase>> obj = new TData<List<KeyValueBase>>();
            if (html.Equals("null"))
            {
                obj.Tag = 0;
                return obj;
            }
            JObject jObj = JObject.Parse(html);
            if (jObj["list"] != null)
            {
                obj.Result = new List<KeyValueBase>();
                foreach (var item in jObj["list"])
                {
                    obj.Result.Add(new KeyValueBase(item["module"].ParseToString(), item["enable"].ParseToString()));
                }
                obj.Tag = 1;
            }
            return obj;


        }

        public static async Task<string> PostAsync(HttpParam httpParam)
        {
            try
            {
                HttpWebRequest request = GetHttpWebRequest(httpParam);
                request.Method = "Post";
                request.ServicePoint.Expect100Continue = false;
                byte[] postDataByte = Encoding.UTF8.GetBytes(httpParam.PostData);
                request.ContentLength = postDataByte.Length;
                request.AllowAutoRedirect = false;
                using (Stream requestStream = await request.GetRequestStreamAsync())
                {
                    requestStream.Write(postDataByte, 0, postDataByte.Length);
                }
                return await ReadResponseAsync(httpParam, (HttpWebResponse)request.GetResponse());
            }
            catch
            {

                return string.Empty;
            }
        }
        public static HttpWebRequest GetHttpWebRequest(HttpParam param)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(param.Url);
            if (param.Proxy != null)
            {
                request.Proxy = param.Proxy;
            }

            if (!string.IsNullOrEmpty(param.UserAgent))
            {
                request.UserAgent = param.UserAgent;
            }
            else
            {
                request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36";
            }
            if (!string.IsNullOrEmpty(param.Accept))
            {
                request.Accept = param.Accept;
            }
            else
            {
                request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
            }
            if (string.IsNullOrEmpty(param.AcceptLanguage))
            {
                request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.9,en;q=0.8");
            }
            else
            {
                request.Headers.Add("Accept-Language", param.AcceptLanguage);
            }
            if (!string.IsNullOrEmpty(param.ContentType))
            {
                request.ContentType = param.ContentType;
            }
            else
            {
                request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
            }
            if (!string.IsNullOrEmpty(param.Referer))
            {
                request.Referer = param.Referer;
            }
            request.Headers.Remove("Cookie");
            if (!string.IsNullOrEmpty(param.Cookie))
            {
                request.Headers.Add("Cookie", param.Cookie);
            }
            if (param.Header != null)
            {
                foreach (KeyValuePair<string, string> header in param.Header)
                {
                    request.Headers.Add(header.Key, header.Value);
                }
            }
            if (param.Timeout > 0)
            {
                request.Timeout = param.Timeout;
            }
            else
            {
                request.Timeout = 60 * 1000;
            }
            return request;
        }
        public static async Task<string> ReadResponseAsync(HttpParam httpParam, HttpWebResponse response)
        {
            using (Stream stream = DecompressStream(response))
            {
                using (StreamReader streamReader = new StreamReader(stream, httpParam.ResponseEncoding))
                {
                    return await streamReader.ReadToEndAsync();
                }
            }
        }
        public static Stream DecompressStream(HttpWebResponse response)
        {
            Stream responseStream = response.GetResponseStream();
            Stream stream = null;
            if (response.ContentEncoding.ToLower().Contains("gzip"))
            {
                stream = new GZipStream(responseStream, CompressionMode.Decompress);
            }
            else if (response.ContentEncoding.ToLower().Contains("deflate"))
            {
                stream = new DeflateStream(responseStream, CompressionMode.Decompress);
            }
            if (stream == null)
            {
                return responseStream;
            }
            else
            {
                return stream;
            }
        }
    }
}