using System.Windows.Forms;
using System.Drawing;
using System.Collections.Generic;
using System.Linq;

#pragma warning disable CS1591

namespace FastReport.Utils
{
    /// <summary>
    /// The style of FastReport user interface.
    /// </summary>
    public enum UIStyle
    {
        /// <summary>
        /// The default light gray style.
        /// </summary>
        Light,
        
        /// <summary>
        /// Blue style.
        /// </summary>
        Blue,

        /// <summary>
        /// Light Blue style.
        /// </summary>
        LightBlue,

        /// <summary>
        /// Dark style.
        /// </summary>
        Dark,

        /// <summary>
        /// Custom style
        /// </summary>
        Custom1,

        /// <summary>
        /// Custom style
        /// </summary>
        Custom2,

        /// <summary>
        /// Custom style
        /// </summary>
        Custom3,

        /// <summary>
        /// Custom style
        /// </summary>
        Custom4,

        /// <summary>
        /// Custom style
        /// </summary>
        Custom5
    }

    public class TabStripColors
    {
        public Color GradientBegin;
        public Color GradientEnd;
        public Color Border;
        public int BorderWidth = 1;
        public Color ActiveTabForeground = SystemColors.WindowText;
        public Color ActiveTabBackground = SystemColors.Window;
        public Color InactiveTabForeground;
    }

    public class CaptionColors
    {
        public Color GradientBegin;
        public Color GradientEnd;
        public Color ForeColor = SystemColors.WindowText;
        public Color BorderColor;
        public Color HighlightButton;
    }

    public class ToolWindowColors
    {
        public CaptionColors Caption { get; } = new CaptionColors();
        public TabStripColors TabStrip { get; } = new TabStripColors();
        public Color ControlBackColor;
    }

    public class ZoomControlColors
    {
        public Color GradientBegin;
        public Color GradientEnd;
        public Color Foreground;
    }

    public class WorkspaceColors : ToolWindowColors
    {
        public Color ForeColor;
        public Color WorkspaceBackColor;
        public Color GrayColor;
        public Color SplitterBackColor;

        public ZoomControlColors ZoomControl { get; } = new ZoomControlColors();
    }

    public class RibbonColors
    {
        public Color GradientBegin;
        public Color GradientEnd;
        public Color BorderColor;
    }

    public class FRColorTable : ProfessionalColorTable
    {
        public CaptionColors WindowTitle { get; } = new CaptionColors();
        public WorkspaceColors Workspace { get; } = new WorkspaceColors();
        public ToolWindowColors ToolWindow { get; set; }
        public RibbonColors Ribbon { get; } = new RibbonColors();

        public FRColorTable()
        {
            ToolWindow = Workspace;
        }
    }

    public class LightColorTable : FRColorTable
    {
        private static Color _color = Color.SteelBlue;
        private static Color _color2 = SystemColors.Control;

        public override Color ComboBoxStaticBorder => SystemColors.ControlLight;// Color.Transparent;
        public override Color ButtonCheckedGradientBegin => ButtonSelectedGradientBegin;
        public override Color ButtonCheckedGradientMiddle => ButtonSelectedGradientMiddle;
        public override Color ButtonCheckedGradientEnd => ButtonSelectedGradientEnd;
        public override Color ButtonSelectedHighlightBorder => _color;
        public override Color StatusStripGradientBegin => _color;
        public override Color StatusStripGradientEnd => _color;
        public override Color StatusStripForeground => SystemColors.Window;
        public override Color ToolStripBorder => SeparatorDark;
        public override Color MenuStripGradientBegin => _color2;
        public override Color MenuStripGradientEnd => _color2;
        public override Color ToolStripPanelGradientBegin => _color2;
        public override Color ToolStripPanelGradientEnd => _color2;
        public override Color MenuItemBorder => _color;
        public override Color MenuQATGradientBegin => ToolStripGradientEnd;
        public override Color MenuQATGradientMiddle => ToolStripGradientEnd;
        public override Color MenuQATGradientEnd => ToolStripGradientEnd;

        public LightColorTable()
        {
            UseSystemColors = true;

            WindowTitle.GradientBegin = WindowTitle.GradientEnd = SystemColors.Control;
            WindowTitle.BorderColor = SystemColors.ActiveBorder;
            WindowTitle.HighlightButton = SystemColors.ControlLight;

            Workspace.ForeColor = Color.FromArgb(60, 60, 60);
            Workspace.ControlBackColor = SystemColors.Control;
            Workspace.WorkspaceBackColor = Color.FromArgb(220, 220, 220);
            Workspace.GrayColor = Color.FromArgb(232, 232, 232);
            Workspace.SplitterBackColor = SystemColors.ControlLight;

            Workspace.TabStrip.GradientBegin = Workspace.TabStrip.GradientEnd = SystemColors.Control;
            Workspace.TabStrip.Border = ToolStripBorder;
            Workspace.TabStrip.ActiveTabForeground = SystemColors.WindowText;
            Workspace.TabStrip.InactiveTabForeground = SystemColors.ControlDarkDark;
            
            Workspace.ZoomControl.GradientBegin = StatusStripGradientBegin;
            Workspace.ZoomControl.GradientEnd = StatusStripGradientEnd;
            Workspace.ZoomControl.Foreground = StatusStripForeground;

            ToolWindow.Caption.GradientBegin = ToolStripGradientMiddle;
            ToolWindow.Caption.GradientEnd = ToolStripGradientEnd;
            ToolWindow.Caption.HighlightButton = ButtonSelectedHighlight;

            Ribbon.GradientBegin = Ribbon.GradientEnd = SystemColors.Window;
            Ribbon.BorderColor = ToolStripBorder;
        }
    }

    public class BlueColorTable : LightColorTable
    {
        private static Color _color = Color.FromArgb(220, 230, 242);

        public override Color ComboBoxStaticBorder => ToolStripGradientEnd;
        public override Color ComboBoxDisabledBackground => _color;
        public override Color MenuStripGradientBegin => StatusStripGradientBegin;
        public override Color MenuStripGradientEnd => StatusStripGradientEnd;
        public override Color TopLevelMenuItemForeground => StatusStripForeground;
        public override Color ToolStripPanelGradientBegin => StatusStripGradientBegin;
        public override Color ToolStripPanelGradientEnd => StatusStripGradientEnd;

        public override Color ToolStripGradientBegin => Color.FromArgb(231, 242, 255);
        public override Color ToolStripGradientMiddle => _color;
        public override Color ToolStripGradientEnd => Color.FromArgb(190, 205, 222);
        public override Color ToolStripBorder => Color.FromArgb(150, 165, 180);

        public override Color MenuQATGradientBegin => ToolStripGradientMiddle;
        public override Color MenuQATGradientMiddle => ToolStripGradientMiddle;
        public override Color MenuQATGradientEnd => ToolStripGradientEnd;

        public BlueColorTable()
        {
            WindowTitle.GradientBegin = WindowTitle.GradientEnd = WindowTitle.BorderColor = MenuStripGradientBegin;
            WindowTitle.ForeColor = TopLevelMenuItemForeground;
            WindowTitle.HighlightButton = Color.FromArgb(80, 150, 207);

            Workspace.ControlBackColor = _color;
            Workspace.WorkspaceBackColor = _color;
            Workspace.GrayColor = Color.FromArgb(190, 205, 222);
            Workspace.SplitterBackColor = Color.FromArgb(162, 176, 191);

            Workspace.TabStrip.GradientBegin = Workspace.TabStrip.GradientEnd = _color;
            Workspace.TabStrip.Border = ToolStripBorder;

            ToolWindow.Caption.GradientBegin = //ToolStripGradientBegin;
            ToolWindow.Caption.GradientEnd = Workspace.ControlBackColor;// ToolStripGradientMiddle;
            ToolWindow.Caption.HighlightButton = ButtonCheckedGradientBegin;

            Ribbon.GradientBegin = Ribbon.GradientEnd = ToolStripGradientMiddle;
            Ribbon.BorderColor = ToolStripBorder;
        }
    }

    public class LightBlueColorTable : LightColorTable
    {
        public override Color MenuStripGradientBegin => StatusStripGradientBegin;
        public override Color MenuStripGradientEnd => StatusStripGradientEnd;
        public override Color TopLevelMenuItemForeground => StatusStripForeground;

        public override Color ToolStripGradientBegin => Color.FromArgb(250, 250, 250);
        public override Color ToolStripGradientMiddle => Color.FromArgb(240, 240, 240);
        public override Color ToolStripGradientEnd => Color.FromArgb(234, 234, 234);

        public LightBlueColorTable()
        {
            WindowTitle.GradientBegin = WindowTitle.GradientEnd = WindowTitle.BorderColor = MenuStripGradientBegin;
            WindowTitle.ForeColor = TopLevelMenuItemForeground;
            WindowTitle.HighlightButton = Color.FromArgb(80, 150, 207);

            Workspace.TabStrip.ActiveTabBackground = Workspace.TabStrip.Border = StatusStripGradientBegin;
            Workspace.TabStrip.ActiveTabForeground = SystemColors.Window;
            Workspace.TabStrip.BorderWidth = 2;

            ToolWindow = new ToolWindowColors();
            ToolWindow.TabStrip.GradientBegin = ToolWindow.TabStrip.GradientEnd = SystemColors.Control;
            ToolWindow.TabStrip.Border = ToolStripBorder;
            ToolWindow.TabStrip.ActiveTabForeground = SystemColors.WindowText;
            ToolWindow.TabStrip.InactiveTabForeground = SystemColors.ControlDarkDark;

            ToolWindow.Caption.GradientBegin = ToolWindow.Caption.GradientEnd = ToolStripGradientMiddle;
            //ToolStripGradientEnd;
            ToolWindow.Caption.HighlightButton = ButtonSelectedHighlight;
            ToolWindow.ControlBackColor = SystemColors.Control;

            Ribbon.GradientBegin = Ribbon.GradientEnd = SystemColors.Control;
            Ribbon.BorderColor = ToolStripBorder;
        }
    }

    public class DarkColorTable : FRColorTable
    {
        private static Color _foreground = Color.FromArgb(0, 0, 0);
        private static Color _disabledForeground = Color.FromArgb(128, 128, 128);
        private static Color _comboBoxBackground = Color.FromArgb(255, 255, 255);
        private static Color _comboBoxDisabledBackground = Color.FromArgb(204, 207, 212);

        private static Color _toolStripDropDownBackground = Color.FromArgb(250, 250, 250);
        private static Color _buttonPressedGradientBegin = Color.FromArgb(252, 214, 165);
        private static Color _buttonPressedGradientEnd = Color.FromArgb(250, 230, 150);
        private static Color _buttonPressedGradientMiddle = Color.FromArgb(254, 185, 96);
        private static Color _buttonSelectedGradientBegin = Color.FromArgb(255, 247, 200);
        private static Color _buttonSelectedGradientMiddle = Color.FromArgb(255, 247, 200);
        private static Color _buttonSelectedGradientEnd = Color.FromArgb(255, 219, 89);
        private static Color _buttonSelectedHighlightBorder = Color.FromArgb(112, 112, 112);
        private static Color _menuItemBorder = Color.FromArgb(112, 112, 112);
        private static Color _topLevelMenuItemForeground = Color.FromArgb(255, 255, 255);
        private static Color _topLevelMenuItemDisabledForeground = Color.FromArgb(140, 140, 140);
        private static Color _menuItemSelectedGradientBegin = Color.FromArgb(255, 247, 200);
        private static Color _menuItemSelectedGradientEnd = Color.FromArgb(255, 219, 89);
        private static Color _checkBackground = Color.FromArgb(255, 227, 149);
        private static Color _gripDark = Color.FromArgb(112, 112, 112);
        private static Color _gripLight = Color.FromArgb(214, 214, 214);
        private static Color _imageMarginGradientBegin = Color.FromArgb(238, 238, 238);
        private static Color _menuBorder = Color.FromArgb(134, 134, 134);
        private static Color _menuToolBack = Color.FromArgb(83, 83, 83);
        private static Color _separatorDark = Color.FromArgb(152, 159, 170);
        private static Color _separatorLight = Color.FromArgb(240, 240, 240);
        private static Color _statusStripGradientBegin = Color.FromArgb(70, 70, 70);
        private static Color _statusStripGradientEnd = Color.FromArgb(51, 51, 51);
        private static Color _statusStripForeground = Color.FromArgb(255, 255, 255);
        private static Color _toolStripBorder = Color.FromArgb(76, 83, 92);
        private static Color _toolStripGradientBegin = Color.FromArgb(214, 217, 222);
        private static Color _toolStripGradientMiddle = Color.FromArgb(204, 207, 212);
        private static Color _toolStripGradientEnd = Color.FromArgb(152, 158, 166);

        public override Color Foreground => _foreground;
        public override Color DisabledForeground => _disabledForeground;
        public override Color ComboBoxStaticBorder => ToolStripGradientEnd;
        public override Color ComboBoxBackground => _comboBoxBackground;
        public override Color ComboBoxDisabledBackground => _comboBoxDisabledBackground;
        public override Color TopLevelMenuItemForeground => _topLevelMenuItemForeground;
        public override Color TopLevelMenuItemDisabledForeground => _topLevelMenuItemDisabledForeground;
        public override Color StatusStripForeground => _statusStripForeground;
        public override int StatusStripGradientAngle => 90;
        public override bool StatusStripGradientGlass => true;
        public override bool MenuItemGradientGlass => true;
        public override Color MenuQATGradientBegin => _toolStripGradientBegin;
        public override Color MenuQATGradientMiddle => _toolStripGradientBegin;
        public override Color MenuQATGradientEnd => _toolStripGradientBegin;

        public override Color ButtonCheckedGradientBegin => _buttonPressedGradientBegin;
        public override Color ButtonCheckedGradientEnd => _buttonPressedGradientEnd;
        public override Color ButtonCheckedGradientMiddle => _buttonPressedGradientMiddle;
        public override Color ButtonPressedGradientBegin => _buttonPressedGradientBegin;
        public override Color ButtonPressedGradientEnd => _buttonPressedGradientEnd;
        public override Color ButtonPressedGradientMiddle => _buttonPressedGradientMiddle;
        public override Color ButtonSelectedGradientBegin => _buttonSelectedGradientBegin;
        public override Color ButtonSelectedGradientEnd => _buttonSelectedGradientEnd;
        public override Color ButtonSelectedGradientMiddle => _buttonSelectedGradientMiddle;
        public override Color ButtonSelectedHighlightBorder => _buttonSelectedHighlightBorder;
        public override Color CheckBackground => _checkBackground;
        public override Color GripDark => _gripDark;
        public override Color GripLight => _gripLight;
        public override Color ImageMarginGradientBegin => _imageMarginGradientBegin;
        public override Color ImageMarginGradientMiddle => _imageMarginGradientBegin;
        public override Color ImageMarginGradientEnd => _imageMarginGradientBegin;
        public override Color MenuBorder => _menuBorder;
        public override Color MenuItemBorder => _menuItemBorder;
        public override Color MenuItemPressedGradientBegin => _toolStripGradientBegin;
        public override Color MenuItemPressedGradientEnd => _toolStripGradientEnd;
        public override Color MenuItemPressedGradientMiddle => _toolStripGradientMiddle;
        public override Color MenuItemSelectedGradientBegin => _menuItemSelectedGradientBegin;
        public override Color MenuItemSelectedGradientEnd => _menuItemSelectedGradientEnd;
        public override Color MenuStripGradientBegin => _menuToolBack;
        public override Color MenuStripGradientEnd => _menuToolBack;
        public override Color RaftingContainerGradientBegin => _menuToolBack;
        public override Color RaftingContainerGradientEnd => _menuToolBack;
        public override Color SeparatorDark => _separatorDark;
        public override Color SeparatorLight => _separatorLight;
        public override Color StatusStripGradientBegin => _statusStripGradientBegin;
        public override Color StatusStripGradientEnd => _statusStripGradientEnd;
        public override Color ToolStripBorder => _toolStripBorder;
        public override Color ToolStripDropDownBackground => _toolStripDropDownBackground;
        public override Color ToolStripGradientBegin => _toolStripGradientBegin;
        public override Color ToolStripGradientEnd => _toolStripGradientEnd;
        public override Color ToolStripGradientMiddle => _toolStripGradientMiddle;
        public override Color ToolStripPanelGradientBegin => _menuToolBack;
        public override Color ToolStripPanelGradientEnd => _menuToolBack;

        public DarkColorTable()
        {
            WindowTitle.GradientBegin = WindowTitle.GradientEnd = WindowTitle.BorderColor = MenuStripGradientBegin;
            WindowTitle.ForeColor = TopLevelMenuItemForeground;
            WindowTitle.HighlightButton = Color.FromArgb(100, 100, 100);

            Workspace.ForeColor = Color.FromArgb(240, 240, 240);
            Workspace.ControlBackColor = Color.FromArgb(204, 207, 212);
            Workspace.WorkspaceBackColor = Color.FromArgb(61, 61, 61);
            Workspace.GrayColor = Color.FromArgb(143, 150, 160);
            Workspace.SplitterBackColor = StatusStripGradientBegin;

            Workspace.TabStrip.GradientBegin = Workspace.TabStrip.GradientEnd = Color.FromArgb(83, 83, 83);
            Workspace.TabStrip.Border = ToolStripBorder;
            Workspace.TabStrip.ActiveTabForeground = SystemColors.WindowText;
            Workspace.TabStrip.InactiveTabForeground = Color.FromArgb(255, 255, 255);
            
            Workspace.ZoomControl.GradientBegin = Color.FromArgb(194, 197, 202);
            Workspace.ZoomControl.GradientEnd = Color.FromArgb(61, 61, 61);
            Workspace.ZoomControl.Foreground = Color.FromArgb(255, 255, 255);

            ToolWindow.Caption.GradientBegin = //Color.FromArgb(238, 239, 240);
            ToolWindow.Caption.GradientEnd = Workspace.ControlBackColor; //Color.FromArgb(191, 196, 203);
            ToolWindow.Caption.HighlightButton = ButtonSelectedHighlight;

            Ribbon.GradientBegin = ToolStripGradientMiddle;
            Ribbon.GradientEnd = ToolStripGradientMiddle;
            Ribbon.BorderColor = GripDark;// Color.FromArgb(160, 164, 174);
        }
    }
    
    /// <summary>
    /// Contains conversion methods from FastReport's UIStyle to various enums.
    /// </summary>
    public static class UIStyleUtils
    {
        private class StyleInfo
        {
            public string Name { get; }
            public UIStyle Style { get; }
            public FRColorTable ColorTable { get; }
            public ToolStripProfessionalRenderer Renderer { get; }

            public StyleInfo(string name, UIStyle style, FRColorTable colorTable)
            {
                Name = name;
                Style = style;
                ColorTable = colorTable;
                Renderer = new ToolStripProfessionalRenderer(colorTable);
            }
        }

        private static List<StyleInfo> styles;
        private static List<StyleInfo> Styles
        {
            get
            {
                if (styles == null)
                {
                    styles = new List<StyleInfo>()
                    {
                        new StyleInfo("Light", UIStyle.Light, new LightColorTable()),
                        new StyleInfo("Blue", UIStyle.Blue, new BlueColorTable()),
                        new StyleInfo("Light Blue", UIStyle.LightBlue, new LightBlueColorTable()),
                        new StyleInfo("Dark", UIStyle.Dark, new DarkColorTable()),
                    };
                }
                return styles;
            }
        }

        internal const UIStyle DefaultStyle = UIStyle.LightBlue;

        private static StyleInfo GetStyle(UIStyle style) => Styles.Where(s => s.Style == style).FirstOrDefault();


        /// <summary>
        /// Gets UI style names.
        /// </summary>
        public static string[] UIStyleNames => Styles.Select(s => s.Name).ToArray();

        /// <summary>
        /// Returns toolstrip renderer for the given style.
        /// </summary>
        /// <param name="style">UI style.</param>
        /// <returns>The renderer.</returns>
        public static ToolStripProfessionalRenderer GetToolStripRenderer(UIStyle style) => GetStyle(style).Renderer;

        /// <summary>
        /// Adds a new style or replaces existing one.
        /// </summary>
        /// <param name="name">The name of style.</param>
        /// <param name="style">The style index to add.</param>
        /// <param name="colorTable">The color table.</param>
        public static void AddStyle(string name, UIStyle style, FRColorTable colorTable)
        {
            var st = new StyleInfo(name, style, colorTable);
            var s = GetStyle(style);
            if (s != null)
                Styles[Styles.IndexOf(s)] = st;
            else 
                Styles.Add(st);
        }

        internal static FRColorTable GetColorTable(UIStyle style) => GetStyle(style).ColorTable;

        internal static Color GetControlColor(UIStyle style) => GetColorTable(style).Workspace.ControlBackColor;

        internal static Color GetGrayColor(UIStyle style) => GetColorTable(style).Workspace.GrayColor;
    }
}
#pragma warning restore CS1591