using BHJD.DBdll.Public;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;

public class HttpHelper : IHttpHelper
{

    public Action<string> m_OnShowRequestAddr = null;



    public override string Request(HttpCmd type, object param)
    {
        HttpCmd cmd = type;
        switch (cmd.m_RequestType)
        {
            case HttpRequestType.GET:
                return HttpGet(type, param as List<string>);

            case HttpRequestType.POST:
                return HttpPost(type, param as string);

            default:
                return string.Empty;
        }

    }

    public override string HttpGet(HttpCmd type, List<string> paramList)
    {
        string url = type.m_Addr + "?";

        var kVar = type.m_Args.GetEnumerator();
        int index = 0;
        while (kVar.MoveNext())
        {
            url += kVar.Current + "=" + paramList[index];
            if (index < type.m_Args.Count - 1)
            {
                url += "&";
            }
            index++;
        }

        if (m_OnShowRequestAddr != null)
        {
            m_OnShowRequestAddr(url);
        }
        //Debug.Log(url);

        var request = (HttpWebRequest)WebRequest.Create(url);
        request.Method = "GET";
        request.ContentType = "application/json;charset=UTF-8";//ContentType


        var response = (HttpWebResponse)request.GetResponse();
        var responseString = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
        return responseString.ToString();
    }

    public override string HttpPost(HttpCmd type, string jsonStr)
    {
        string url = type.m_Addr;
        var request = (HttpWebRequest)WebRequest.Create(url);
        request.Method = "POST";
        request.ContentType = "application/json;charset=UTF-8";//ContentType
        byte[] byteData = Encoding.UTF8.GetBytes(jsonStr);
        int length = byteData.Length;
        request.ContentLength = length;

        if (m_OnShowRequestAddr != null)
        {
            m_OnShowRequestAddr(url);
        }

        Stream writer = request.GetRequestStream();
        writer.Write(byteData, 0, length);
        writer.Close();
        var response = (HttpWebResponse)request.GetResponse();
        var responseString = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
        return responseString.ToString();
    }

}