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

    public partial class TButtonTextBox : RyzStudio.Windows.ThemedForms.TUserControl
	{
        protected readonly Padding defaultPadding = new Padding(6, 5, 6, 5);
        protected readonly Padding defaultMargin = new Padding(10, 0, 0, 10);


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

            //this.Margin = new Padding(10, 6, 10, 6);
            this.Margin = defaultMargin;
            this.Font = new Font(this.Font, FontStyle.Regular);

            textBox1.Font = this.Font;
            textBox1.Left = this.Margin.Left;
            textBox1.PreviewKeyDown += textBox_PreviewKeyDown;

            imageBox1.MouseClick += imageBox1_MouseClick;

            OnResize(null);
        }

        protected virtual void imageBox1_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                OnButtonClick?.Invoke(sender, e);
            }
        }

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

            this.Margin = defaultMargin;
        }

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

            int b = (styleActive.BorderWidth + 1) + styleActive.BorderPadding;

            this.Height = textBox1.Height + (b + defaultPadding.Top) + ((b - 1) + defaultPadding.Bottom);

            imageBox1.Width = 18;
            imageBox1.Height = textBox1.Height + defaultPadding.Top + defaultPadding.Bottom;
            imageBox1.Left = this.Width - (this.Margin.Right + b + imageBox1.Width);

            textBox1.Left = this.Margin.Left;
            textBox1.Width = imageBox1.Left - textBox1.Left - 3;
            textBox1.Top = (int)Math.Ceiling(decimal.Divide((this.Height - textBox1.Height), 2));
        }

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

            textBox1.Focus();
        }

        protected void textBox_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
        {
            switch (e.KeyCode)
            {
                case Keys.Enter:
                    if (this.SubmitButton != null)
                    {
                        this.SubmitButton.PerformClick();
                    }

                    break;
                case Keys.Escape:
                    close();
                    break;
                default: break;
            }
        }

        [Category("Action")]
        [Browsable(true)]
        public event EventHandler OnButtonClick;

        [Browsable(true), EditorBrowsable(EditorBrowsableState.Advanced)]
        [Category("Appearance")]
        public Forms.TImageBox InnerImageBox { get => imageBox1; set => imageBox1 = value; }

        [Browsable(true), EditorBrowsable(EditorBrowsableState.Advanced)]
		[Category("Appearance")]
		public System.Windows.Forms.TextBox InnerTextBox { get => textBox1; set => textBox1 = value; }

        [Category("Appearance"), Browsable(true)]
        public Image NormalImage { get => imageBox1.ImageNormal; set => imageBox1.ImageNormal = value; }

        [Category("Appearance"), Browsable(true)]
        public Image HighlightImage { get => imageBox1.ImageHover; set => imageBox1.ImageHover = value; }

        [Browsable(true), EditorBrowsable(EditorBrowsableState.Advanced)]
        [Category("Appearance")]
        public new string Text
        {
            get => textBox1.Text;
            set
            {
                if (textBox1.InvokeRequired)
                {
                    textBox1.Invoke(new MethodInvoker(() => {
                        textBox1.Text = value;
                        textBox1.SelectionStart = textBox1.Text.Length;
                    }));
                }
                else
                {
                    textBox1.Text = value;
                    textBox1.SelectionStart = textBox1.Text.Length;
                }
            }
        }

        [Browsable(true), EditorBrowsable(EditorBrowsableState.Advanced)]
        [Category("Appearance")]
        public bool UseSystemPasswordChar { get => textBox1.UseSystemPasswordChar; set => textBox1.UseSystemPasswordChar = value; }

        [Browsable(true), EditorBrowsable(EditorBrowsableState.Advanced)]
        [Category("Appearance")]
        public TButton SubmitButton { get; set; } = null;

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
        public new Padding Margin { get => base.Margin; set => base.Margin = defaultMargin; }

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


        public void SetTooltipText(ToolTip toolTip, string text)
        {
            toolTip.SetToolTip(imageBox1, text);
        }

        protected override void updateBackground(Graphics g, ThemeStyle style)
        {
            int b = (styleActive.BorderWidth + 1) + styleActive.BorderPadding;

            this.Padding = new Padding((b + defaultPadding.Left), (b + defaultPadding.Top), ((b - 1) + defaultPadding.Right), ((b - 1) + defaultPadding.Bottom));

            Rectangoid area = new Rectangoid(this.ClientRectangle, style.BorderRadius, style.BorderWidth);
            g.FillPath(new SolidBrush(style.BackColour), area.ToGraphicsPath());
            g.DrawPath(new Pen(new SolidBrush(style.BorderColour), style.BorderWidth), area.ToGraphicsPath());
        }

    }
}