using System;

using System.Data;

using System.Net;



namespace FFN

{

    ///<summary>

    /// A simple C# class to retrieve data from FantasyFootballNerd.com (FFN)

    /// Class is available free of charge, however you will need an API Key to return results.

    /// The class is intended to retrieve data from FFN, but please store the data locally to remain 

    /// bandwidth-friendly.

    ///</summary>

    ///<author>Marc Neuwirth <marc.neuwirth@gmail.com></author>

    ///<version>1.0 2010-09-5</version>

    

    public class FFN

    {

        private string _ApiKey;



        /// <summary>

        /// Fantasy Football Nerd API URL

        /// </summary>

        private string _FFN = "http://api.fantasyfootballnerd.com/";



        /// <summary>

        /// API XML pages

        /// </summary>

        private string _Schedule = "ffnScheduleXML.php";

        private string _Players = "ffnPlayersXML.php";

        private string _PlayerDetails = "ffnPlayerDetailsXML.php";

        private string _Rankings = "ffnRankingsXML.php";

        private string _Injuries = "ffnInjuriesXML.php";

        private string _SitStart = "ffnSitStartXML.php";



        /// <summary>

        /// Your API Key given to you by registering at FantasyFootballNerd.com

        /// </summary>

        public string apiKey { get { return _ApiKey; } }



        /// <summary>

        /// Error Message - a holder for any error that we may encounter

        /// </summary>

        public string ErrorMessage;



        /// <summary>

        /// Constructor

        /// </summary>

        /// <param name="ApiKey">Your ApiKey</param>

        public FFN(string ApiKey)

        {

            this._ApiKey = ApiKey;

        }



        /// <summary>

        /// Helper class to get FFN Xml from FFN

        /// </summary>

        /// <param name="request">Http Request of the Xml</param>

        /// <returns>Requested Xml Page</returns>

        private DataSet GetDataSet(HttpWebRequest request)

        {

            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)

            {

                // Load data into a dataset  

                DataSet xml = new DataSet();

                xml.ReadXml(response.GetResponseStream());

                return xml;

            }

        }



        /// <summary>

        /// Returns the Schedule DataTable, the Season and the Timezone

        /// </summary>

        /// <param name="Season">The current season</param>

        /// <param name="Timezone">The timezone</param>

        /// <returns>The schedule datatable returned from FFN API</returns>

        public DataTable GetSchedule(out string Season, out string Timezone)

        {



            HttpWebRequest request = WebRequest.Create(String.Format("{0}{1}?apiKey={2}",

                _FFN, _Schedule, _ApiKey)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);

            Season = xml.Tables["Schedule"].Rows[0]["Season"].ToString();

            Timezone = xml.Tables["Schedule"].Rows[0]["Timezone"].ToString();



            return xml.Tables["Game"];

        }



        /// <summary>

        /// Returns the a DataTable with all of the NFL Players. This does not need to be called

        /// more than once per week as it doesn't change with much frequency.

        /// </summary>

        /// <returns>The Players datatable returned from FFN API</returns>

        public DataTable GetPlayers()

        {



            HttpWebRequest request = WebRequest.Create(String.Format("{0}{1}?apiKey={2}", 

                _FFN, _Players, _ApiKey)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);



            return xml.Tables["Player"];

        }



        /// <summary>

        /// Get the Player Details of the requested Player

        /// </summary>

        /// <param name="PlayerId">The Player Id of the requested Player</param>

        /// <param name="FirstName">The first name of the requested player</param>

        /// <param name="LastName">The last name of the requested player</param>

        /// <param name="Team">The team of the requested player</param>

        /// <param name="Position">The position of the requested player</param>

        /// <returns>The DataTable of Player Details</returns>

        public DataTable GetPlayerDetails(string PlayerId, out string FirstName, out string LastName, 

            out string Team, out string Position)

        {

            HttpWebRequest request = WebRequest.Create(String.Format("{0}{1}?apiKey={2}&playerId={3}", 

                _FFN, _PlayerDetails, _ApiKey, PlayerId)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);



            FirstName = xml.Tables["PlayerDetails"].Rows[0]["FirstName"].ToString();

            LastName = xml.Tables["PlayerDetails"].Rows[0]["LastName"].ToString();

            Team = xml.Tables["PlayerDetails"].Rows[0]["Team"].ToString();

            Position = xml.Tables["PlayerDetails"].Rows[0]["Position"].ToString();



            return xml.Tables["Article"];

        }





        /// <summary>

        /// Get the current preseason draft rankings

        /// </summary>

        /// <param name="Position">The position to retrieve. Options: ALL, QB, RB, WR, TE, DEF, K</param>

        /// <param name="Limit">How many results to return. Pass an integer between 1 and 1000</param>

        /// <param name="SOS">Return the Strength of Schedule for every player? Pass a 1 for yes, 0 for no</param>

        /// <returns>The DataTable for the current Draft Rankings</returns>

        public DataTable GetDraftRankings(string Position, string Limit, string SOS)

        {



            HttpWebRequest request = WebRequest.Create(

                String.Format("{0}{1}?apiKey={2}&position={3}&limit={4}&sos={5}", 

                _FFN, _Rankings, _ApiKey,Position,Limit,SOS)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);



            return xml.Tables["Player"];

        }



        /// <summary>

        /// Get the current injury list

        /// </summary>

        /// <param name="Week">The week number to retrieve injuries for (1-17)</param>

        /// <returns>Returns the Injuries for the selected week</returns>

        public DataTable GetInjuries(string Week)

        {



            HttpWebRequest request = WebRequest.Create(String.Format("{0}{1}?apiKey={2}&week={3}", 

                _FFN, _Injuries, _ApiKey, Week)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);



            return xml.Tables["Injuries"];

        }



        /// <summary>

        /// Gets the selected week's projections

        /// </summary>

        /// <param name="Week">The week to return results for (1-17)</param>

        /// <param name="Position">The position to retrieve. Options: QB, RB, WR, TE, DEF, K</param>

        /// <returns>The DataTable for the selected week's projections</returns>

        public DataTable GetSitStart(string Week, string Position)

        {



            HttpWebRequest request = WebRequest.Create(String.Format("{0}{1}?apiKey={2}&week={3}&position={4}", 

                _FFN, _SitStart, _ApiKey, Week, Position)) as HttpWebRequest;



            DataSet xml = GetDataSet(request);

            DataTable Players = xml.Tables["Player"];

            if (Players != null)

            {

                Players.Columns.Add("PPR_ProjectedPoints");



                DataTable Projections = xml.Tables["Projections"];

                for (int i = 0; i < Players.Rows.Count; i++)

                {

                    Players.Rows[i]["PPR_ProjectedPoints"] = Projections.Rows[i]["PPR"];

                }

            }

            return Players;

        }





    }

}