using MahApps.Metro.Controls.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace GTAOnlineCasinoHelper.Views
{

    public partial class LuckyWheel : UserControl
    {

        public DateTimeOffset TimeStamp { get; set; }
        public DateTimeOffset TimeStampReady
        {
            get
            {
                return AddHours(TimeStamp, 24);
            }
        }

        private Timer timer;

        public LuckyWheel()
        {
            this.InitializeComponent();
            if (DateTimeOffset.TryParse(Properties.Settings.Default.LuckyWheelTimeStamp, out DateTimeOffset timeStamp))
            {
                TimeStamp = timeStamp;
            }
            this.timer = new Timer((state) =>
            {
                Dispatcher.Invoke(() => Refresh());
            }, this, Timeout.Infinite, 500);
            this.timer.Change(0, 500);
        }

        public void Refresh()
        {
            if (TimeStamp == null)
            {
                return;
            }
            DateTimeOffset then = TimeStampReady;
            TextBlock_TimeStampTextBlock.Text = string.Format("{0}\n->\n{1}", TimeStamp.LocalDateTime.ToString(), then.LocalDateTime.ToString());
            TimeSpan offset = then - DateTimeOffset.Now;
            if (offset.TotalMilliseconds < 0)
            {
                TextBlock_TimerTextBlock.Text = "READY!";
            }
            else
            {
                string hoursString = ((int)offset.TotalHours).ToString();
                while (hoursString.Length < 2) hoursString = "0" + hoursString;
                string minutesString = offset.Minutes.ToString();
                while (minutesString.Length < 2) minutesString = "0" + minutesString;
                string secondsString = offset.Seconds.ToString();
                while (secondsString.Length < 2) secondsString = "0" + secondsString;
                TextBlock_TimerTextBlock.Text = string.Format("{0}:{1}:{2}", hoursString, minutesString, secondsString);
            }
        }

        private async void Button_AddTimeStamp(object sesnder, System.Windows.RoutedEventArgs e)
        {
            DateTimeOffset now;
            if (CheckBox_UseTextBoxTimeStamp.IsChecked.HasValue && CheckBox_UseTextBoxTimeStamp.IsChecked.Value)
            {
                if (!DateTimeOffset.TryParse(TextBox_TimeStamp.Text, out now))
                {
                    await MainWindow.Instance.ShowMessageAsync("Could not parse TimeStamp", "You have to specify a string that conforms to DateTimeOffset.Parse(string)");
                    return;
                }
            }
            else
            {
                now = DateTimeOffset.Now;
                DateTimeOffset then = AddHours(now, 24);
                if (then > now)
                {
                    await MainWindow.Instance.ShowMessageAsync("Lucky Wheel not ready yet", "You can't spin the wheel yet, to override this add a custom timestamp");
                    return;
                }
            }
            TimeStamp = now;
            Properties.Settings.Default.LuckyWheelTimeStamp = now.ToString();
            Properties.Settings.Default.Save();
            Properties.Settings.Default.Reload();
            Refresh();
            //await MainWindow.Instance.ShowMessageAsync("Set TimeStamp", string.Format("You set the timestamp to {0}", timeStamp.ToString()));
        }

        private DateTimeOffset AddHours(DateTimeOffset offset, int hours)
        {
            return offset + new TimeSpan(hours, 0, 0);
        }

        private void CheckBox_UseTextBoxTimeStamp_Checked(object sender, RoutedEventArgs e)
        {
            TextBox_TimeStamp.Visibility = Visibility.Visible;
        }

        private void CheckBox_UseTextBoxTimeStamp_Unchecked(object sender, RoutedEventArgs e)
        {
            TextBox_TimeStamp.Visibility = Visibility.Collapsed;
        }
    }
    
}