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

    /// <summary>
    /// Theme customised form
    /// </summary>
    public partial class Form : System.Windows.Forms.Form
    {
		protected Image topImage = null;
		protected Color topFillColour = Color.FromArgb(15, 15, 15);
		protected int topFillHeight = 52;

		protected Image bottomImage = null;
		protected Color bottomFillColour = Color.FromArgb(15, 15, 15);
		protected int bottomFillMargin = 19;

        /// <summary>
        /// Initializes a new instance of the Form class
        /// </summary>
        public Form()
        {
            this.InitializeComponent();

			this.BackColor = Color.FromArgb(246, 246, 246);
		}

        /// <summary>
        /// Onresize event
        /// </summary>
        /// <param name="e">Event argument</param>
        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);

            this.Invalidate();
        }

        /// <summary>
        /// OnPaint event
        /// </summary>
        /// <param name="e">Event argument</param>
        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

			Graphics g = e.Graphics;

            Rectangle areaTop = new Rectangle(this.DisplayRectangle.Left, 0, this.DisplayRectangle.Width, topFillHeight);
            Rectangle areaBottom = new Rectangle(this.DisplayRectangle.Left, (this.DisplayRectangle.Height - bottomFillMargin), this.DisplayRectangle.Width, bottomFillMargin);

			// draw header
			if (topFillHeight > 0)
			{
				g.FillRectangle(new SolidBrush(topFillColour), areaTop);
			}

            // draw footer
			if (bottomFillMargin > 0)
			{
				g.FillRectangle(new SolidBrush(bottomFillColour), areaBottom);
			}

			// draw logo
			if (topImage != null)
			{
				g.DrawImageUnscaled(topImage, 0, 0);
			}

			if (bottomImage != null)
			{
				g.DrawImageUnscaled(bottomImage, 0, (this.DisplayRectangle.Height - bottomImage.Height - bottomFillMargin), this.DisplayRectangle.Width, bottomImage.Height);
			}
        }

        #region public properties
		
		#endregion

		#region public properties (encapsulation)

		[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
		public new Color BackColor { get { return base.BackColor; } set { base.BackColor = value; } }

		#endregion

		public void SetValue(Label sender, string value)
		{
			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { sender.Text = value; }));
			}
			else
			{
				sender.Text = value;
			}
		}

		public void SetValue(GroupBox sender, string value)
		{
			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { sender.Text = value; }));
			}
			else
			{
				sender.Text = value;
			}
		}

		public void AddValue(ListBox sender, string value)
		{
			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { sender.Items.Add(value); }));
			}
			else
			{
				sender.Items.Add(value);
			}
		}

		public void ClearValues(ListBox sender)
		{
			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { sender.Items.Clear(); }));
			}
			else
			{
				sender.Items.Clear();
			}
		}

		public string GetValue(ListBox sender)
		{
			string rv = string.Empty;

			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { rv = (sender.SelectedItem == null) ? string.Empty : sender.SelectedItem.ToString(); }));
			}
			else
			{
				rv = (sender.SelectedItem == null) ? string.Empty : sender.SelectedItem.ToString();
			}

			return rv;
		}

		public string GetValue(TextBox sender)
		{
			string rv = string.Empty;

			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { rv = sender.Text.Trim(); }));
			}
			else
			{
				rv = sender.Text.Trim();
			}

			return rv;
		}

		public int GetValue(NumericUpDown sender)
		{
			int rv = 0;

			if (sender.InvokeRequired)
			{
				sender.Invoke(new MethodInvoker(() => { rv = (int)sender.Value; }));
			}
			else
			{
				rv = (int)sender.Value;
			}

			return rv;
		}
	}
}