//----------------------------------------------------------------------------
//
// Copyright © 2006-2011, Intel Corporation. All rights reserved.
//
// File:        CountDownTimer.cs
//
//----------------------------------------------------------------------------

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using UCT.Utils;

namespace UCT.Forms
{
    /// <summary>
    /// The timer control (count down timer for 15 min.)
    /// </summary>
    public partial class CountDownTimer : UserControl
    {
        #region - Members -

        private string time = String.Empty;
        private long StartTime = 0;
        public static bool consentTimer = false;

        #endregion

        #region - Constructors -

        public CountDownTimer()
        {
            InitializeComponent();
        }

        #endregion

        #region - Methods -

        #region - Private Methods -

        /// <summary>
        /// Convert the long string to time
        /// </summary>
        /// <returns></returns>
        private long ConvertSetTime()
        {
            long seconds = 0;
            if (time.Trim().Substring(0, 1) == ":") // if leftmost colon, take it off
                time = time.Substring(1);
            string[] vals = time.Split(new char[] { ':', ' ', '.', '/' });
            for (int i = 0; i < vals.Length; i++)
            {
                seconds += Convert.ToInt32(vals[i]) * (long)Math.Pow((double)60, (double)(vals.Length - (1 + i)));
            }

            return seconds;
        }

        /// <summary>
        /// Tick event (update the string time)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void timer_Tick_1(object sender, EventArgs e)
        {
            StartTime--;
            Invalidate(); 
            lblTimer.Text = ConvertToTime(StartTime);
            if (StartTime <= 0 && consentTimer)
            {
                consentTimer = false;
                DialogResult result = new DialogResult();
                result = AMT_SW_GUI.MessageManager.ShowMessage("User consent expired.To renew and restart the expiration timer, click on StartConsent button.", "Expired consent");
                timer.Stop();
            }
           
        }

        /// <summary>
        /// Convert the tick time to string
        /// </summary>
        /// <param name="tickCount"></param>
        /// <returns></returns>
        private string ConvertToTime(long tickCount)
        {
            // tickcount is in milliseconds, convert to minutes and seconds
            long seconds = tickCount;
            string val = (seconds / 60).ToString("00") + ":" + (seconds % 60).ToString("00");
            return val;
        }

        #endregion

        #region - Public Methods -

        /// <summary>
        /// Set the timer time (e.g. for how long the timer will run)
        /// </summary>
        /// <param name="time"></param>
        public void SetTimer(uint Time)
        {
            string timeString = ConvertToTime(Time);
            timer.Stop();
            lblTimer.Text = timeString;
            if (Time <= 0 && consentTimer)
            {
                consentTimer = false;
                DialogResult result = new DialogResult();
                result = AMT_SW_GUI.MessageManager.ShowMessage("User consent expired.To renew and restart the expiration timer, click on StartConsent button.", "Expired consent");
            }
           
        }

        /// <summary>
        /// String the timer
        /// </summary>
        /// <param name="time"></param>
        public void StartTimer(string Time)
        {
            this.time = Time;
            StartTime = ConvertSetTime();
            timer.Enabled = true;
            consentTimer = true;
            timer.Start();
        }

        /// <summary>
        /// Cancle the consentTimer
        /// </summary>
        public void CancleConsentTimer()
        {
            consentTimer = false;
        }

        #endregion

        #endregion
    }
}