/MetroHome1.1/Extensions/Weather/MSN/Weather.cs

using System;

using System.Collections.Generic;

using System.Globalization;

using System.Linq;

using System.Xml;

using System.Xml.Linq;



using HTCHome.Core;



using WeatherClockWidget;

using WeatherClockWidget.Domain;



namespace MSN

{

    public class Weather : IWeatherProvider

    {

        private const string RequestForCelsius = "http://weather.service.msn.com/data.aspx?culture={0}&wealocations={1}&weadegreetype=C";

        private const string RequestForFahrenheit = "http://weather.service.msn.com/data.aspx?culture={0}&wealocations={1}&weadegreetype=F";

        private const string RequestForLocation = "http://weather.msn.com/find.aspx?weasearchstr={0}";



        public Coordinates GetCoordinates(string locationCode)

        {

            var f = new NumberFormatInfo {CurrencyDecimalSeparator = "."};



            var reader = new XmlTextReader(string.Format(RequestForCelsius, "", locationCode));



            var coord = new Coordinates();

            while (reader.Read())

            {

                if (reader.NodeType != XmlNodeType.Element || !reader.Name.Equals("weather"))

                {

                    continue;

                }



                reader.MoveToAttribute("lat");

                coord.X = Math.Round(Convert.ToDouble(reader.Value, f), 1);

                reader.MoveToAttribute("long");

                coord.Y = Math.Round(Convert.ToDouble(reader.Value, f), 1);

            }

            return coord;

        }



        public List<CityLocation> GetLocation(string s)

        {

            var l = new CityLocation();

            var result = new List<CityLocation>();



            var reader = new XmlTextReader(string.Format(RequestForLocation, s));

            while (reader.Read())

            {

                if (reader.NodeType == XmlNodeType.Element && reader.Name.Equals("weather"))

                {

                    reader.MoveToAttribute("weatherlocationname");

                    l.City = reader.Value;

                    reader.MoveToAttribute("weatherlocationcode");

                    l.Code = reader.Value;



                    result.Add(l);

                }

            }



            reader.Close();

            return result;

        }



        WeatherReport IWeatherProvider.GetWeatherReport(string locale, string locationcode, int degreeType)

        {

            string url = string.Format(degreeType == 0 ? RequestForCelsius : RequestForFahrenheit, locale, locationcode);



            string s = GeneralHelper.GetXml(url);



            XDocument doc = XDocument.Parse(s);



            //parse current weather

            var weather = from x in doc.Descendants("weather")

                          let xElement = x.Element("current")

                          select

                              new {

                                      temp = xElement.Attribute("temperature").Value,

                                      text = xElement.Attribute("skytext").Value,

                                      skycode = xElement.Attribute("skycode").Value

                                  };



            var result = new WeatherReport();

            var currentWeather = weather.FirstOrDefault();

            if (currentWeather != null)

            {

                result.NowTemp = Convert.ToInt32(currentWeather.temp);

                result.NowSky = currentWeather.text;

                result.NowSkyCode = GetWeatherPic(Convert.ToInt32(currentWeather.skycode), 4, 22);

            }





            result.Location = doc.Descendants("weather").FirstOrDefault().Attribute("weatherlocationname").Value;



            //parse forecast

            var days = from x in doc.Descendants("forecast")

                           select

                               new {

                                       l = x.Attribute("low").Value,

                                       h = x.Attribute("high").Value,

                                       skycode = x.Attribute("skycodeday").Value,

                                       text = x.Attribute("skytextday").Value

                                   };



            List<DayForecast> f = new List<DayForecast>();

            foreach (var d in days)

            {

                f.Add(new DayForecast());

                f[f.Count - 1].HighTemperature = Convert.ToInt32(d.h);

                f[f.Count - 1].LowTemperature = Convert.ToInt32(d.l);

                f[f.Count - 1].Text = d.text;

                f[f.Count - 1].SkyCode = GetWeatherPic(Convert.ToInt32(d.skycode), -1, 25);

            }



            result.High = f[0].HighTemperature;

            result.Low = f[0].LowTemperature;



            result.Forecast = f;



            return result;

        }



        public static int GetWeatherPic(int skycode, int sunrise, int sunset)

        {

            switch (skycode)

            {

                case 26:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 34;

                    else

                        return 2;

                case 27:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 35;

                    else

                        return 3;

                case 28:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 38;

                    else

                        return 6;

                case 35:

                case 39:

                    return 12;

                case 45:

                case 46:

                    return 8;

                case 19:

                case 20:

                case 21:

                case 22:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 37;

                    else

                        return 11;

                case 29:

                case 30:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 35;

                    else

                        return 3;

                case 33:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 38;

                    else

                        return 6;

                case 5:

                case 13:

                case 14:

                case 15:

                case 16:

                    return 22;

                case 18:

                case 25:

                case 41:

                case 42:

                case 43:

                    return 25;

                case 1:

                case 2:

                case 3:

                case 4:

                case 37:

                case 38:

                case 47:

                    return 15;

                case 31:

                case 32:

                case 34:

                case 36:

                case 44:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                    {

                        return 33;

                    }

                    else

                        return 1;

                case 23:

                case 24:

                    return 32;

                case 9:

                case 10:

                case 11:

                case 12:

                case 40:

                    return 18;

                case 6:

                case 7:

                case 8:

                case 17:

                    return 15;

                default:

                    if (DateTime.Now.Hour >= sunset || DateTime.Now.Hour <= sunrise)

                        return 33;

                    else

                        return 1;

            }

        }

    }

}