namespace RyzStudio.Windows.ThemedForms
{
	using System;
	using System.ComponentModel;
	using System.Drawing;

	public partial class Button : RyzStudio.Windows.ThemedForms.UserControl
	{
		protected ButtonState buttonState = ButtonState.Normal;

		public Button() : base()
        {
            InitializeComponent();

            label1.ImageAlign = ContentAlignment.MiddleCenter;

			label1.Click += delegate { this.OnClick(null); };
			label1.MouseEnter += delegate { this.VisualState = ButtonState.Hover; };
			label1.MouseLeave += delegate { this.VisualState = ButtonState.Normal; };
			label1.MouseDown += delegate { this.VisualState = ButtonState.Down; };
			label1.MouseUp += delegate { this.VisualState = ButtonState.Normal; };
		}

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad(e);

            // customise
            this.StyleOver = new ButtonStyle(Color.FromArgb(51, 51, 51), Color.White, this.OverImage);
            this.StyleDown = new ButtonStyle(Color.FromArgb(179, 179, 179), Color.Black, this.DownImage);
            this.StyleDefault = new ButtonStyle(Color.White, Color.Black, this.DefaultImage);

			this.VisualState = ButtonState.Normal;
		}

		protected ButtonState VisualState
		{
			get { return buttonState; }
			set
			{
				switch (value)
				{
					case ButtonState.Normal:
						if (this.VisualState == ButtonState.Down)
						{
							updateButton(StyleOver);
						}
						else
						{
							updateButton(StyleDefault);
						}

						break;
					case ButtonState.Hover:
						updateButton(StyleOver);
						break;
					case ButtonState.Down:
						updateButton(StyleDown);
						break;
					default:
						updateButton(StyleDefault);
						break;
				}

				buttonState = value;
			}
		}

		protected void updateButton(ButtonStyle style)
		{
			label1.ForeColor = style.PenColour;
			label1.BackColor = style.BackColour;
			label1.Image = style.ForeImage;
		}

		[Browsable(true)]
		[Category("Appearance")]
		public string LabelText { get => label1.Text; set => label1.Text = value; }

		[Browsable(true)]
		[Category("Appearance")]
		public Image OverImage { get; set; } = null;

		[Browsable(true)]
		[Category("Appearance")]
		public Image DownImage { get; set; } = null;

		[Browsable(true)]
		[Category("Appearance")]
		public Image DefaultImage { get; set; } = null;

		[Browsable(false)]
		public ButtonStyle StyleOver { get; set; } = new ButtonStyle(Color.FromArgb(71, 142, 203), Color.FromArgb(250, 250, 250));

        [Browsable(false)]
		public ButtonStyle StyleDown { get; set; } = new ButtonStyle(Color.FromArgb(61, 132, 193), Color.FromArgb(250, 250, 250));

        [Browsable(false)]
		public ButtonStyle StyleDefault { get; set; } = new ButtonStyle(Color.FromArgb(51, 122, 183), Color.FromArgb(250, 250, 250));

        public void PerformClick() => this.OnClick(null);
	}
}