//---------------------------------------------------------------------------------------------------------------------------------------------------
// <copyright file="Logging.cs" company="DarkWynter Studios">
//     Copyright (C)2007 DarkWynter Studios.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------------------------------------------------------------------------------------
// {Contact : darkwynter.com for licensing information
//---------------------------------------------------------------------------------------------------------------------------------------------------

namespace DarkWynterEngine.Utilities
{
    #region Using
    using System;
    using System.Collections.Generic;
    using System.Text;
    using System.Collections;
    using System.IO;
    #endregion

    /// <summary>
    /// Class used for logging of error messages and to throw exceptions when they occur
    /// </summary>
    public class Logging
    {
        private static int NaN;
        private static int Nulls;
        private static System.DateTime start;
        private static ArrayList Events = new ArrayList();

        /// <summary>
        /// Record a Non-A-Number errors to log.
        /// </summary>
        public static void addNan()
        {
            Logging.NaN++;
            throw new Exception("NaN Error.");
        }
        /// <summary>
        /// Record a null value to log.
        /// </summary>
        public static void addNull()
        {
            Logging.Nulls++;
            throw new Exception("Null Error.");
        }
        /// <summary>
        /// Set the start time for logging.
        /// </summary>
        /// <param name="val">Start time.</param>
        public static void setStart(System.DateTime val)
        {
            Logging.start = val;
        }
        /// <summary>
        /// Add an event to log.
        /// </summary>
        /// <param name="data">Data from event.</param>
        public static void addEventString(String data)
        {
            Logging.Events.Add(data + "\r");
        }
        /// <summary>
        /// Generate the log report.
        /// </summary>
        /// <param name="val2">End time.</param>
        public static void genReport(System.DateTime val2)
        {
            System.Diagnostics.Debug.WriteLine("Run Report");
            System.Diagnostics.Debug.WriteLine("Run Started: " + Logging.start.ToString());
            System.Diagnostics.Debug.WriteLine("Run Ended: " + val2.ToString());
            System.Diagnostics.Debug.WriteLine("Elapsed time: " + (val2.Minute - Logging.start.Minute) + ":" +
                (val2.Second - Logging.start.Second));
            System.Diagnostics.Debug.WriteLine("Total NaNs: " + Logging.NaN);
            System.Diagnostics.Debug.WriteLine("Total Nulls: " + Logging.Nulls);
            System.Diagnostics.Debug.WriteLine("Events: \n");
            for (int i = 0; i < Logging.Events.Count; i++)
            {
                System.Diagnostics.Debug.WriteLine((String)Logging.Events[i]);
            }
        }
        /// <summary>
        /// Write log to file.
        /// </summary>
        /// <param name="val2">End time.</param>
        public static void saveLog(System.DateTime val2)
        {
            FileStream fs = File.Open("log.txt", FileMode.Create);
            StreamWriter sw = new StreamWriter(fs);
            sw.WriteLine("Run Report");
            sw.WriteLine("Run Started: " + Logging.start.ToString());
            sw.WriteLine("Run Ended: " + val2.ToString());
            sw.WriteLine("Elapsed time: " + (val2.Minute - Logging.start.Minute) + ":" +
                (val2.Second - Logging.start.Second));
            sw.WriteLine("Total NaNs: " + Logging.NaN);
            sw.WriteLine("Total Nulls: " + Logging.Nulls);
            sw.WriteLine("Events: \r");
            for (int i = 0; i < Logging.Events.Count; i++)
            {
                sw.WriteLine((String)Logging.Events[i]);
            }
            sw.Flush();
            sw.Close();
        }
    }
}