using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SlackyAsi
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        public string getSong()
        {
            try
            {
                Process processes = Process.GetProcessesByName("spotify").FirstOrDefault();
                if (processes.MainWindowTitle.Length > 10) // Halb lahendus
                {
                    var raw = processes.MainWindowTitle;
                    var song = raw.Substring(10, raw.Length - 10);

                    return "Now Playing: " + song;
                }
                return "N/A";
            } catch {
                return "Spotify not running.";
            }
        }

        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            if (m.Msg == 0x0312)
            {
                switch (((int)m.WParam))
                {
                    case 13370:
                        {
                            MessageBox.Show(getSong());
                            break;
                        }
                }
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            RegisterHotKey(this.Handle, 13370, 0x0002, 120);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            MessageBox.Show(getSong());
        }

        [DllImport("user32.dll")]
        private static extern bool RegisterHotKey(IntPtr hWnd, int id, int fsModifiers, int vk);

        [DllImport("user32.dll")]
        private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
    }
}