#region Imports

using DPumpHydr.WinFrmUI.RLT.Enum.Metro;
using DPumpHydr.WinFrmUI.RLT.Extension.Metro;
using DPumpHydr.WinFrmUI.RLT.Interface.Metro;
using DPumpHydr.WinFrmUI.RLT.Manager;
using System;
using System.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

#endregion

namespace DPumpHydr.WinFrmUI.RLT.Controls
{
    #region MetroPanel

    [ToolboxItem(true)]
    [ToolboxBitmap(typeof(MetroPanel), "Bitmaps.Panel.bmp")]
    [ComVisible(true)]
    public class MetroPanel : System.Windows.Forms.Panel, IMetroControl
    {
        #region Interfaces

        [Category("Metro"), Description("Gets or sets the style associated with the control.")]
        public Style Style
        {
            get => StyleManager?.Style ?? _style;
            set
            {
                _style = value;
                switch (value)
                {
                    case Style.Light:
                        ApplyTheme();
                        break;
                    case Style.Dark:
                        ApplyTheme(Style.Dark);
                        break;
                    case Style.Custom:
                        ApplyTheme(Style.Custom);
                        break;
                    default:
                        ApplyTheme();
                        break;
                }
                Invalidate();
            }
        }

        [Category("Metro"), Description("Gets or sets the Style Manager associated with the control.")]
        public MetroStyleManager StyleManager
        {
            get => _styleManager;
            set { _styleManager = value; Invalidate(); }
        }

        [Category("Metro"), Description("Gets or sets the The Author name associated with the theme.")]
        public string ThemeAuthor { get; set; }

        [Category("Metro"), Description("Gets or sets the The Theme name associated with the theme.")]
        public string ThemeName { get; set; }

        #endregion Interfaces

        #region Global Vars

        private readonly Utilites _utl;

        #endregion Global Vars

        #region Internal Vars

        private Style _style;
        private MetroStyleManager _styleManager;

        private bool _isDerivedStyle = true;
        private int _borderThickness = 1;
        private Color _borderColor;
        private Color _backgroundColor;

        #endregion Internal Vars

        #region Constructors 

        public MetroPanel()
        {
            SetStyle
            (
                ControlStyles.UserPaint |
                ControlStyles.AllPaintingInWmPaint |
                ControlStyles.ResizeRedraw |
                ControlStyles.OptimizedDoubleBuffer |
                ControlStyles.SupportsTransparentBackColor,
                    true
            );
            BorderStyle = BorderStyle.None;
            UpdateStyles();
            _utl = new Utilites();
            ApplyTheme();
        }

        #endregion Constructors

        #region ApplyTheme

        private void ApplyTheme(Style style = Style.Light)
        {
            if (!IsDerivedStyle)
            {
                return;
            }

            switch (style)
            {
                case Style.Light:
                    BorderColor = Color.FromArgb(150, 150, 150);
                    BackgroundColor = Color.White;
                    ThemeAuthor = "Taiizor";
                    ThemeName = "MetroLight";
                    UpdateProperties();
                    break;
                case Style.Dark:
                    BorderColor = Color.FromArgb(110, 110, 110);
                    BackgroundColor = Color.FromArgb(30, 30, 30);
                    ThemeAuthor = "Taiizor";
                    ThemeName = "MetroDark";
                    UpdateProperties();
                    break;
                case Style.Custom:
                    if (StyleManager != null)
                    {
                        foreach (System.Collections.Generic.KeyValuePair<string, object> varkey in StyleManager.LabelDictionary)
                        {
                            switch (varkey.Key)
                            {
                                case "BorderColor":
                                    BorderColor = _utl.HexColor((string)varkey.Value);
                                    break;
                                case "BackColor":
                                    BackgroundColor = _utl.HexColor((string)varkey.Value);
                                    break;
                                default:
                                    return;
                            }
                        }
                    }

                    UpdateProperties();
                    break;
                default:
                    throw new ArgumentOutOfRangeException(nameof(style), style, null);
            }
        }

        private void UpdateProperties()
        {
            Invalidate();
        }

        #endregion Theme Changing

        #region Draw Control

        protected override void OnPaint(PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            Rectangle r = new(BorderThickness, BorderThickness, Width - ((BorderThickness * 2) + 1), Height - ((BorderThickness * 2) + 1));

            using SolidBrush bg = new(BackgroundColor);
            using Pen p = new(BorderColor, BorderThickness);
            g.FillRectangle(bg, r);
            g.DrawRectangle(p, r);

        }

        #endregion

        #region Properties

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
        public override Color BackColor => Color.Transparent;

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
        public override Color ForeColor => Color.Transparent;

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
        public new BorderStyle BorderStyle;

        [Category("Metro"), Description("Gets or sets the border thickness the control.")]
        public int BorderThickness
        {
            get => _borderThickness;
            set
            {
                _borderThickness = value;
                Refresh();
            }
        }

        [Category("Metro"), Description("Gets or sets bordercolor used by the control.")]
        public Color BorderColor
        {
            get => _borderColor;
            set
            {
                _borderColor = value;
                Refresh();
            }
        }

        [Category("Metro"), Description("Gets or sets backcolor used by the control.")]
        [DisplayName("BackColor")]
        public Color BackgroundColor
        {
            get => _backgroundColor;
            set
            {
                _backgroundColor = value;
                Refresh();
            }
        }

        [Category("Metro")]
        [Description("Gets or sets the whether this control reflect to parent(s) style. \n " +
                     "Set it to false if you want the style of this control be independent. ")]
        public bool IsDerivedStyle
        {
            get => _isDerivedStyle;
            set
            {
                _isDerivedStyle = value;
                Refresh();
            }
        }

        #endregion
    }

    #endregion
}