using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace IStation.BLL
{
    public class TideHelper
    {
        static public List<Model.TimeWaterLevel> GetByDayRange(
            Model.eTideSouce source,
    DateTime startday, DateTime endday,
    out string error)
        {
            if (!ServiceParas.IsRemote)
            {
                return IStation.Common.TideHelper.GetByDayRange(source, startday, endday,out error);
            }
            string apiServiceUrl = System.Configuration.ConfigurationManager.AppSettings["ApiServiceUrl"];
            if (string.IsNullOrEmpty(apiServiceUrl))
            {
                error = "ApiServiceUrl 为空";
                return null;
            }
            string url = string.Format(@"{0}/Tide/GetByDayRange?source={1}&startday={2}&endday={3}", apiServiceUrl,(int)source, startday.ToString("yyyy-MM-dd"), endday.ToString("yyyy-MM-dd"));


            //先根据用户请求的uri构造请求地址
            //string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
            //string ContentType = "application/json";
            string Accept = "application/json";
            //创建Web访问对象
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
            //把用户传过来的数据转成“UTF-8”的字节流
            //byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(parameterData);

            myRequest.Method = "GET";
            //myRequest.Accept = "application/json";
            //myRequest.ContentType = "application/json";  // //Content-Type: application/x-www-form-urlencoded 
            myRequest.AutomaticDecompression = DecompressionMethods.GZip;
            myRequest.Accept = Accept;
            //myRequest.ContentType = ContentType;
            myRequest.ContentType = "application/json; charset=UTF-8";
            //myRequest.ContentLength = buf.Length;
            myRequest.MaximumAutomaticRedirections = 1;
            myRequest.AllowAutoRedirect = true;

            //myRequest.Headers.Add("content-type", "application/json");
            //myRequest.Headers.Add("accept-encoding", "gzip");
            //myRequest.Headers.Add("accept-charset", "utf-8");

            //发送请求
            //Stream stream = myRequest.GetRequestStream();
            //stream.Write(buf, 0, buf.Length);
            //stream.Close();

            //通过Web访问对象获取响应内容
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
            //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
            StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
            //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
            string returnData = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
            if (string.IsNullOrEmpty(returnData))
            {
                myResponse.Close();
                error = "利用StreamReader就可以从响应内容从头读到尾";
                return null;
            }
            var ret = (new System.Web.Script.Serialization.JavaScriptSerializer()).Deserialize<IStation.Dto.ApiResult<List<Model.TimeWaterLevel>>>(returnData);
            reader.Close();
            myResponse.Close();

            error = null;
            return ret.Data;
        }

        static public List<Model.TimeWaterLevel> GetByDay (
         Model.eTideSouce source,
         DateTime day, 
         out string error)
        {
            if (!ServiceParas.IsRemote)
            {
                return IStation.Common.TideHelper.GetByDay(source, day, out error);
            }
            string apiServiceUrl = System.Configuration.ConfigurationManager.AppSettings["ApiServiceUrl"];
            if (string.IsNullOrEmpty(apiServiceUrl))
            {
                error = "ApiServiceUrl 为空";
                return null;
            }
            string url = string.Format(@"{0}/Tide/GetByDay?source={1}&day={2} ", apiServiceUrl, (int)source, day.ToString("yyyy-MM-dd") );


            //先根据用户请求的uri构造请求地址
            //string serviceUrl = string.Format("{0}/{1}", this.BaseUri, uri);
            //string ContentType = "application/json";
            string Accept = "application/json";
            //创建Web访问对象
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
            //把用户传过来的数据转成“UTF-8”的字节流
            //byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(parameterData);

            myRequest.Method = "GET";
            //myRequest.Accept = "application/json";
            //myRequest.ContentType = "application/json";  // //Content-Type: application/x-www-form-urlencoded 
            myRequest.AutomaticDecompression = DecompressionMethods.GZip;
            myRequest.Accept = Accept;
            //myRequest.ContentType = ContentType;
            myRequest.ContentType = "application/json; charset=UTF-8";
            //myRequest.ContentLength = buf.Length;
            myRequest.MaximumAutomaticRedirections = 1;
            myRequest.AllowAutoRedirect = true;

            //myRequest.Headers.Add("content-type", "application/json");
            //myRequest.Headers.Add("accept-encoding", "gzip");
            //myRequest.Headers.Add("accept-charset", "utf-8");

            //发送请求
            //Stream stream = myRequest.GetRequestStream();
            //stream.Write(buf, 0, buf.Length);
            //stream.Close();

            //通过Web访问对象获取响应内容
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
            //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
            StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
            //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
            string returnData = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
            if (string.IsNullOrEmpty(returnData))
            {
                myResponse.Close();
                error = "利用StreamReader就可以从响应内容从头读到尾";
                return null;
            }
            var ret = (new System.Web.Script.Serialization.JavaScriptSerializer()).Deserialize<IStation.Dto.ApiResult<List<Model.TimeWaterLevel>>>(returnData);
            reader.Close();
            myResponse.Close();

            error = null;
            return ret.Data;
        }
    }
}