using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using System.Web;

namespace screenScrapeConsoleApp0
{
    class Program
    {
        static void Main(string[] args)
        {
            while (1 == 1)
            {
                string x = extractTemp("http://192.168.1.100/1Wire/ReadTemperature.html?Address_Array=2C00080152F24710,4E0000000AB26810,AC000000085DA210,1C000000085CAE10,31000000085D7110,");
                Console.WriteLine(x);
                writeLogFile(x);
            }

        }

        public static void writeLogFile(string log)
        {
            string year = DateTime.Now.Year.ToString();
            string month = DateTime.Now.Month.ToString().Length < 2 ? string.Format("0{0}", DateTime.Now.Month.ToString()) : DateTime.Now.Month.ToString();
            string day = DateTime.Now.Day.ToString().Length < 2 ? string.Format("0{0}", DateTime.Now.Day.ToString()) : DateTime.Now.Day.ToString();
            StringBuilder builder = new StringBuilder();
            builder.Append(string.Format(@"c:\templogs\{0}{1}{2}Log.txt", year, month, day));
            string fileName = builder.ToString();

            FileStream fileStream = new FileStream(fileName, FileMode.Append);
            using (var sw = new StreamWriter(fileStream))
            {
                sw.WriteLine(log);
            }
        }

        public static String GetHtmlPage(string strURL)
        {
            // the html retrieved from the page
            String strResult;
            WebResponse objResponse;
            WebRequest objRequest = System.Net.HttpWebRequest.Create(strURL);
            objResponse = objRequest.GetResponse();
            // the using keyword will automatically dispose the object
            // once complete
            using (StreamReader sr =
            new StreamReader(objResponse.GetResponseStream()))
            {
                strResult = sr.ReadToEnd();

                //extractTemp(strResult);

                sr.Close();
            }
            return strResult;
        }

        private static double returnValue(string htmpPage, string strSensorNum)
        {
            string s = htmpPage;
            string num = strSensorNum;
            double returnValue = 0;

            if (!double.TryParse(HttpUtility.UrlEncodeUnicode(Regex.Match(s, string.Format("<INPUT CLASS=\"HA7Value\" NAME=\"Temperature_{0}\" ID=\"Temperature_{1}\" TYPE=\"text\" VALUE=\"(?<val>.*?)\">", num, num)).Groups["val"].Value), out returnValue))
            {
                returnValue = 0;
            }
            return returnValue;
        }

        public static string extractTemp(string strUrl)
        {
            StringBuilder builder = new StringBuilder();
            List<double> temp0c = new List<double>();
            List<double> temp1c = new List<double>();
            List<double> temp2c = new List<double>();
            List<double> temp3c = new List<double>();
            List<double> temp4c = new List<double>();

            for (int i = 0; i < 5; i++)
            {
                string s = GetHtmlPage(strUrl);
                temp0c.Add(returnValue(s, "0")); // The number is the sensor number
                temp1c.Add(returnValue(s, "1"));
                temp2c.Add(returnValue(s, "2"));
                temp3c.Add(returnValue(s, "3"));
                temp4c.Add(returnValue(s, "4"));

                System.Threading.Thread.Sleep(5000);
            }

            temp0c.Sort();
            temp1c.Sort();
            temp2c.Sort();
            temp3c.Sort();
            temp4c.Sort();

            List<double> tempsF = new List<double>();

            tempsF.Add(Math.Round(temp0c[2] * 9 / 5 + 32, 2));
            tempsF.Add(Math.Round(temp1c[2] * 9 / 5 + 32, 2));
            tempsF.Add(Math.Round(temp2c[2] * 9 / 5 + 32, 2));
            tempsF.Add(Math.Round(temp3c[2] * 9 / 5 + 32, 2));
            tempsF.Add(Math.Round(temp4c[2] * 9 / 5 + 32, 2));

            string myString = "";

            foreach (double temp in tempsF)
            {
                myString += temp.ToString() + ", ";
            }
            builder.Append(" ");
            builder.Append(DateTime.Now.ToShortDateString());
            builder.Append(" ");
            builder.Append(DateTime.Now.ToShortTimeString());
            myString += builder.ToString();
            return myString;
        }
    }
}

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