using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO.Ports;
using System.Diagnostics;

using MatterHackers.Agg;
using MatterHackers.Agg.Image;
using MatterHackers.Agg.UI;
using MatterHackers.Agg.OpenGlGui;
using MatterHackers.PolygonMesh;
using MatterHackers.RenderOpenGl;
using MatterHackers.VectorMath;
using MatterHackers.Agg.VertexSource;

using MatterHackers.Localizations;

namespace MatterHackers.MatterControl.ActionBar
{    
    //Base widget for ActionBarRows
    abstract class ActionRowBase : FlowLayoutWidget
    {
        public ActionRowBase()
            : base(FlowDirection.LeftToRight)
        {
            Initialize();
            SetDisplayAttributes();
            AddChildElements();
            AddHandlers();
        }

        protected virtual void Initialize()
        {
            //Placeholder for row-specific initialization
        }

        protected void SetDisplayAttributes()
        {
            this.HAnchor = HAnchor.ParentLeftRight;
        }

        protected abstract void AddChildElements();

        protected virtual void AddHandlers()
        {
            //Placeholder for row-specific handlers
        }
    }


    //Base widget for use in ButtonViewStates
    public class ControlButtonViewBase : GuiWidget
    {
        protected RGBA_Bytes fillColor;
        protected RGBA_Bytes borderColor;
        protected double borderWidth;
        protected double borderRadius;
        protected double padding;

        public ControlButtonViewBase(string label,
                                     double width,
                                     double height,
                                     double textHeight,
                                     double borderWidth,
                                     double borderRadius,
                                     double padding,
                                     RGBA_Bytes textColor,
                                     RGBA_Bytes fillColor,
                                     RGBA_Bytes borderColor)
            : base(width, height)
        {
            this.borderRadius = borderRadius;
            this.borderWidth = borderWidth;
            this.fillColor = fillColor;
            this.borderColor = borderColor;
            this.padding = padding;

            TextWidget buttonText = new TextWidget(label, textHeight);
            buttonText.VAnchor = VAnchor.ParentCenter;
            buttonText.HAnchor = HAnchor.ParentCenter;
            buttonText.TextColor = textColor;

            //this.AnchorAll();			
            this.AddChild(buttonText);

        }

        public override void OnDraw(Graphics2D graphics2D)
        {
            RectangleDouble Bounds = LocalBounds;
            RoundedRect rectBorder = new RoundedRect(Bounds, this.borderRadius);

            graphics2D.Render(rectBorder, borderColor);

            RectangleDouble insideBounds = Bounds;
            insideBounds.Inflate(-this.borderWidth);
            RoundedRect rectInside = new RoundedRect(insideBounds, Math.Max(this.borderRadius - this.borderWidth, 0));

            graphics2D.Render(rectInside, this.fillColor);

            base.OnDraw(graphics2D);
        }
    }

    //Base widget for use in ButtonViewStates
    public class PrinterSelectViewBase : GuiWidget
    {
        protected RGBA_Bytes fillColor;
        protected RGBA_Bytes borderColor;
        protected double borderWidth;
        protected double borderRadius;
        protected double padding;
        protected double statusTextHeight = 10;
        TextWidget printerStatusText;
        TextWidget printerNameText;

        event EventHandler unregisterEvents;

        public PrinterSelectViewBase(
                                     double width,
                                     double height,
                                     double textHeight,
                                     double borderWidth,
                                     double borderRadius,
                                     double padding,
                                     RGBA_Bytes textColor,
                                     RGBA_Bytes fillColor,
                                     RGBA_Bytes borderColor)
            : base(width, height)
        {
            this.borderRadius = borderRadius;
            this.borderWidth = borderWidth;
            this.fillColor = fillColor;
            this.borderColor = borderColor;
            this.padding = padding;
            this.Padding = new BorderDouble(10, 5);
            this.HAnchor = HAnchor.ParentLeftRight;

            FlowLayoutWidget textContainer = new FlowLayoutWidget(FlowDirection.TopToBottom);
            textContainer.VAnchor = VAnchor.ParentBottomTop;
            textContainer.HAnchor = HAnchor.ParentLeftRight;

            printerNameText = new TextWidget("", pointSize:textHeight);
            printerNameText.AutoExpandBoundsToText = true;
            printerNameText.HAnchor = HAnchor.ParentCenter;
            printerNameText.TextColor = textColor;

            printerStatusText = new TextWidget("Status: Connected", pointSize:statusTextHeight);
            printerStatusText.AutoExpandBoundsToText = true;
            printerStatusText.HAnchor = HAnchor.ParentCenter;
            printerStatusText.TextColor = textColor;

            textContainer.AddChild(printerNameText);
            textContainer.AddChild(printerStatusText);

            SetButtonText();

            //this.AnchorAll();			
            this.AddChild(textContainer);

            PrinterCommunication.Instance.ActivePrinterChanged.RegisterEvent(onActivePrinterChanged, ref unregisterEvents);
            PrinterCommunication.Instance.ConnectionStateChanged.RegisterEvent(onActivePrinterChanged, ref unregisterEvents);
        }

        public override void OnClosed(EventArgs e)
        {
            if (unregisterEvents != null)
            {
                unregisterEvents(this, null);
            }
            base.OnClosed(e);
        }

        void onActivePrinterChanged(object sender, EventArgs e)
        {
            SetButtonText();
        }

        int GetPrinterRecordCount()
        {
            return DataStorage.Datastore.Instance.RecordCount("Printer");
        }

        void SetButtonText()
        {
            if (PrinterCommunication.Instance.CommunicationState == PrinterCommunication.CommunicationStates.FailedToConnect && PrinterCommunication.Instance.ConnectionFailureMessage != "")
			{
                string statusString = new LocalizedString("Status: {0} - {1}").Translated;
                printerStatusText.Text = string.Format(statusString, PrinterCommunication.Instance.PrinterConnectionStatusVerbose, PrinterCommunication.Instance.ConnectionFailureMessage);
			}
			else
			{
                string statusString = new LocalizedString("Status: {0}").Translated;
                printerStatusText.Text = string.Format(statusString, PrinterCommunication.Instance.PrinterConnectionStatusVerbose);
			}
            if (PrinterCommunication.Instance.ActivePrinter != null)
            {
                printerNameText.Text = PrinterCommunication.Instance.ActivePrinter.Name;
                               
            }
            else
            {
                if (GetPrinterRecordCount() > 0)
                {
					string printerNameLbl = new LocalizedString ("Select Printer").Translated;
					string printerNameLblFull = string.Format("- {0} -", printerNameLbl);
					printerNameText.Text = (printerNameLblFull);
                }
                else
                {
					string addPrinterLbl = new LocalizedString ("Add Printer").Translated;
					string addPrinterLblFull = string.Format ("- {0} -", addPrinterLbl);
					printerNameText.Text = (addPrinterLblFull);
                }
            }
        }

        public override void OnDraw(Graphics2D graphics2D)
        {
            RectangleDouble Bounds = LocalBounds;
            RoundedRect rectBorder = new RoundedRect(Bounds, this.borderRadius);

            graphics2D.Render(rectBorder, borderColor);

            RectangleDouble insideBounds = Bounds;
            insideBounds.Inflate(-this.borderWidth);
            RoundedRect rectInside = new RoundedRect(insideBounds, Math.Max(this.borderRadius - this.borderWidth, 0));

            graphics2D.Render(rectInside, this.fillColor);
            SetButtonText();

            base.OnDraw(graphics2D);
        }
    }

    public class PrinterSelectButton : Button
    {
        double width = 180;
        double height = 48;
        double borderRadius = 0;
        double borderWidth = 1;
        double fontSize = 16;
        double padding = 3;
        BorderDouble margin = new BorderDouble(0, 0);
        
        public PrinterSelectButton()           
        {
            this.HAnchor = HAnchor.ParentLeftRight;
            
            //Widgets to show during the four button states
            PrinterSelectViewBase buttonWidgetPressed = getButtonWidgetNormal();
            PrinterSelectViewBase buttonWidgetHover = getButtonWidgetHover();
            PrinterSelectViewBase buttonWidgetNormal = getButtonWidgetNormal();
            PrinterSelectViewBase buttonWidgetDisabled = getButtonWidgetNormal();

            //Create container for the three state widgets for the button
            ButtonViewStates buttonView = new ButtonViewStates(buttonWidgetNormal, buttonWidgetHover, buttonWidgetPressed, buttonWidgetDisabled);
            buttonView.HAnchor = HAnchor.ParentLeftRight;

            Margin = DefaultMargin;

            OriginRelativeParent = new Vector2(0, 0);

            if (buttonView != null)
            {
                buttonView.Selectable = false;

                AddChild(buttonView);

                HAnchor = HAnchor.FitToChildren;
                VAnchor = VAnchor.FitToChildren;

                if (LocalBounds.Left != 0 || LocalBounds.Bottom != 0)
                {
                    // let's make sure that a button has 0, 0 at the lower left
                    // move the children so they will fit with 0, 0 at the lower left
                    foreach (GuiWidget child in Children)
                    {
                        child.OriginRelativeParent = child.OriginRelativeParent + new Vector2(-LocalBounds.Left, -LocalBounds.Bottom);
                    }

                    HAnchor = HAnchor.FitToChildren;
                    VAnchor = VAnchor.FitToChildren;
                }

                MinimumSize = new Vector2(Width, Height);
            }
        }

        private PrinterSelectViewBase getButtonWidgetHover()
        {
            RGBA_Bytes fillColor = ActiveTheme.Instance.PrimaryBackgroundColor;
            RGBA_Bytes borderColor = new RGBA_Bytes(77, 77, 77);
            RGBA_Bytes textColor = ActiveTheme.Instance.PrimaryTextColor;
            PrinterSelectViewBase widget = new PrinterSelectViewBase(
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }

        public PrinterSelectViewBase getButtonWidgetNormal()
        {

            RGBA_Bytes fillColor = ActiveTheme.Instance.PrimaryBackgroundColor;
            RGBA_Bytes borderColor = new RGBA_Bytes(128,128,128);
            RGBA_Bytes textColor = ActiveTheme.Instance.PrimaryTextColor;
            PrinterSelectViewBase widget = new PrinterSelectViewBase(
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }
    }

    public class ActionBarControlButtonFactory
    {
        double width = 75;
        double height = 30;
        double borderRadius = 3;
        double borderWidth = 1;
        double fontSize = 14;
        double padding = 3;
        BorderDouble margin = new BorderDouble(5, 0);

        public Button Generate(string buttonText)
        {
            //Widgets to show during the four button states
            ControlButtonViewBase buttonWidgetPressed = getButtonWidgetPressed(buttonText);
            ControlButtonViewBase buttonWidgetHover = getButtonWidgetHover(buttonText);
            ControlButtonViewBase buttonWidgetNormal = getButtonWidgetNormal(buttonText);
            ControlButtonViewBase buttonWidgetDisabled = getButtonWidgetDisabled(buttonText);

            //Create container for the three state widgets for the button
            ButtonViewStates buttonViewWidget = new ButtonViewStates(buttonWidgetNormal, buttonWidgetHover, buttonWidgetPressed, buttonWidgetDisabled);

            //Create button based on view container widget
            Button controlButton = new Button(0, 0, buttonViewWidget);
            controlButton.Margin = margin;

            return controlButton;
        }

        private ControlButtonViewBase getButtonWidgetPressed(string buttonText)
        {
            RGBA_Bytes fillColor = new RGBA_Bytes(63, 63, 70);
            RGBA_Bytes borderColor = new RGBA_Bytes(37, 37, 38);
            RGBA_Bytes textColor = new RGBA_Bytes(230, 230, 230);
            ControlButtonViewBase widget = new ControlButtonViewBase(buttonText,
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }

        private ControlButtonViewBase getButtonWidgetHover(string buttonText)
        {
            RGBA_Bytes fillColor = new RGBA_Bytes(63, 63, 70);
            RGBA_Bytes borderColor = RGBA_Bytes.LightGray;
            RGBA_Bytes textColor = new RGBA_Bytes(230, 230, 230);
            ControlButtonViewBase widget = new ControlButtonViewBase(buttonText,
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }

        public ControlButtonViewBase getButtonWidgetNormal(string buttonText)
        {

            RGBA_Bytes fillColor = new RGBA_Bytes(245, 245, 245);
            RGBA_Bytes borderColor = new RGBA_Bytes(204, 204, 204);
            RGBA_Bytes textColor = new RGBA_Bytes(69, 69, 69);
            ControlButtonViewBase widget = new ControlButtonViewBase(buttonText,
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }

        private ControlButtonViewBase getButtonWidgetDisabled(string buttonText)
        {
            RGBA_Bytes fillColor = new RGBA_Bytes(245, 245, 245);
            RGBA_Bytes borderColor = new RGBA_Bytes(204, 204, 204);
            RGBA_Bytes textColor = new RGBA_Bytes(153, 153, 153);
            ControlButtonViewBase widget = new ControlButtonViewBase(buttonText,
                                                               this.width,
                                                               this.height,
                                                               this.fontSize,
                                                               this.borderWidth,
                                                               this.borderRadius,
                                                               this.padding,
                                                               textColor,
                                                               fillColor,
                                                               borderColor);
            return widget;
        }
    }
}