using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;

namespace MyApp
{
    /// <summary>
    /// Interaction logic for MediaController.xaml
    /// </summary>
    public partial class MediaController : UserControl
    {

        DispatcherTimer timer;
        bool isPlaying = false;

        public MediaController()
        {
            InitializeComponent();
            timer = new DispatcherTimer();
            timer.Interval = TimeSpan.FromSeconds(1);
            timer.Tick += Timer_Tick;
        }

        public delegate void TimeChange(object sender, double time);
        public event TimeChange? OnTimeChage;

        public delegate void MediaLoded(object sender, bool loded, double totalTimeInMilS);
        public event MediaLoded? OnMediaLoad;

        private void Timer_Tick(object? sender, EventArgs e)
        {
            OnTimeChage?.Invoke(this, MediaPlayer.Position.TotalSeconds);
        }

        public bool IsPlaying()
        {
            return isPlaying;
        }

        public void Play()
        {
            timer.Start();
            MediaPlayer.Play();
            isPlaying = true;
        }
        public void Stop()
        {
            timer.Stop();
            MediaPlayer.Stop();
            isPlaying = false;
            OnMediaLoad?.Invoke(this, false, 0);
        }
        public void Pause()
        {
            timer.Stop();
            MediaPlayer.Pause();
            isPlaying = false;
        }

        public void ChangeTime(double time)
        {
            MediaPlayer.Position = TimeSpan.FromSeconds(time);
        }

        public void ChangeContent(string contentAdress)
        {

            MediaPlayer.Stop();
            timer.Stop();
            isPlaying = false;
            MediaPlayer.Source = new Uri(contentAdress);
            OnMediaLoad?.Invoke(this, false, 0);
        }

        private void MediaPlayer_MediaOpened(object sender, RoutedEventArgs e)
        {
            OnMediaLoad?.Invoke(this, true, MediaPlayer.NaturalDuration.TimeSpan.TotalSeconds);
        }

        private void MediaPlayer_MediaEnded(object sender, RoutedEventArgs e)
        {
            timer?.Stop();
            MediaPlayer.Stop();
            isPlaying = false;
            OnMediaLoad?.Invoke(this, false, 0);
        }
    }
}