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

namespace CoreUnit.Control.UserControl.Canvas
{
    public interface ISerialize
    {
        void GetObjectData(XmlWriter wr);
        string GetObjectData();
        void AfterSerializedIn();
    }

    public interface ICanvasOwner
    {
        void SetPositionInfo(UnitPoint unitpos);
        void SetSnapInfo(ISnapPoint snap);

        SizeF WorkSize { get; set; }
    }

    public interface ICanvas
    {
        IModel DataModel { get; }
        UnitPoint ScreenTopLeftToUnitPoint();
        UnitPoint ScreenBottomRightToUnitPoint();
        PointF ToScreen(UnitPoint unitpoint);
        float ToScreen(double unitvalue);
        double ToUnit(float screenvalue);
        UnitPoint ToUnit(PointF screenpoint);
        void Invalidate(bool dostatic);
        IDrawObject CurrentObject { get; }
        Rectangle ClientRectangle { get; }
        Graphics Graphics { get; }
        Pen CreatePen(Color color, float unitWidth);
        void DrawLine(ICanvas canvas, Pen pen, UnitPoint p1, UnitPoint p2);
        void DrawArc(ICanvas canvas, Pen pen, UnitPoint center, float radius, float beginangle, float angle);
        void DrawArc(ICanvas canvas, Pen pen, UnitPoint center, UnitPoint start, UnitPoint end, bool clockwise);
        void DrawEllipse(ICanvas canvas, Pen pen, UnitPoint center, List<UnitPoint> points, float beginangle, float endangle, float angle);
        void DrawLines(ICanvas canvas, Pen pen, List<UnitPoint> points);
        float BackgroundSize { get; }
    }

    public interface IModel
    {
        float Zoom { get; set; }
        ICanvasLayer BackgroundLayer { get; }
        ICanvasLayer GridLayer { get; }
        ICanvasLayer[] Layers { get; }
        ICanvasLayer ActiveLayer { get; set; }
        ICanvasLayer GetLayer(int no);
        IDrawObject CreateObject(string type, UnitPoint point, ISnapPoint snappoint);
        void AddObject(ICanvasLayer layer, IDrawObject drawobject, bool useEventMode = true);
        void DeleteObjects(List<IDrawObject> objects, bool useEventMode = true);
        void MoveObjects(UnitPoint offset, List<IDrawObject> objects, bool useEventMode = true);
        void CopyObjects(UnitPoint offset, List<IDrawObject> objects, bool useEventMode = true);
        void MoveNodes(UnitPoint position, List<INodePoint> nodes, bool useEventMode = true);

        IEditTool GetEditTool(string id);
        void AfterEditObjects(IEditTool edittool);

        List<IDrawObject> GetHitObjects(ICanvas canvas, RectangleF selection, bool anyPoint);
        List<IDrawObject> GetHitObjects(ICanvas canvas, UnitPoint point);
        bool IsSelected(IDrawObject drawobject);
        void AddSelectedObject(IDrawObject drawobject);
        void RemoveSelectedObject(IDrawObject drawobject);
        List<IDrawObject> SelectedObjects { get; }
        int SelectedCount { get; }
        void ClearSelectedObjects();

        List<IDrawObject> SelectedCopyObject { get; set; }
        void AddSelectedObjects(List<IDrawObject> objects);
        bool IsArrayCopying { get; set; }
        int CopyCnt { get; set; }

        ISnapPoint SnapPoint(ICanvas canvas, UnitPoint point, Type[] runningsnaptypes, Type usersnaptype);

        bool CanUndo();
        bool DoUndo();
        bool CanRedo();
        bool DoRedo();
    }

    public interface ICanvasLayer
    {
        int No { get; set; }
        void Draw(ICanvas canvas, RectangleF unitrect);
        ISnapPoint SnapPoint(ICanvas canvas, UnitPoint point, List<IDrawObject> otherobj);
        List<IDrawObject> Objects { get; }
        bool Enabled { get; set; }
        bool Visible { get; }

        SizeF Spacing { get; set; }
        Color BackgroundColor { get; set; }
        Color FieldColor { get; set; }
    }

    public interface ISnapPoint
    {
        IDrawObject Owner { get; }
        UnitPoint SnapPoint { get; }
        RectangleF BoundingRect { get; }
        void Draw(ICanvas canvas);
    }

    public enum eDrawObjectMouseDown
    {
        Done,       // this draw object is complete
        DoneRepeat, // this object is complete, but create new object of same type
        Continue,   // this object requires additional mouse inputs
    }

    public interface INodePoint
    {
        IDrawObject GetClone();
        IDrawObject GetOriginal();
        void Cancel();
        void Finish();
        void SetPosition(UnitPoint pos);
        void Undo();
        void Redo();
        void OnKeyDown(ICanvas canvas, KeyEventArgs e);
    }

    public interface IDrawObject
    {
        #region ¸¶Å· ÀÛ¾÷¿¡ ´ëÇÑ ¼Ó¼º
        bool Enabled { get; set; }
        #endregion

        #region drawing object¿¡ ´ëÇÑ ¼Ó¼º

        bool Selected { get; set; }
        Color Color { get; set; }
        PointF PF1 { get; set; }

        PointF PF2 { get; set; }

        RectangleF ClientRect { get; }

        float Angle { get; set; }

        string Type { get; }

        int No { get; set; }

        PointF MiddlePoint { get; set; }

        int ScannerParamID { get; set; }

        /*
        List<IDrawObject> GroupClass {get; set;}//±×·ìÀÇ °èÃþ¿¡ ´ëÇÑ ¼Ó¼ºÀ» °¡Áü.
        */
        IDrawObject Clone();
        bool PointInObject(ICanvas canvas, UnitPoint point);
        bool ObjectInRectangle(ICanvas canvas, RectangleF rect, bool anyPoint);
        void Draw(ICanvas canvas, RectangleF unitrect);
        RectangleF GetBoundingRect(ICanvas canvas);
        void OnMouseMove(ICanvas canvas, UnitPoint point);
        eDrawObjectMouseDown OnMouseDown(ICanvas canvas, UnitPoint point, ISnapPoint snappoint);
        void OnMouseUp(ICanvas canvas, UnitPoint point, ISnapPoint snappoint);
        void OnKeyDown(ICanvas canvas, KeyEventArgs e);
        UnitPoint RepeatStartingPoint { get; }
        INodePoint NodePoint(ICanvas canvas, UnitPoint point);
        ISnapPoint SnapPoint(ICanvas canvas, UnitPoint point, List<IDrawObject> otherobj, Type[] runningsnaptypes, Type usersnaptype);
        void Move(UnitPoint offset);

        /// <summary>
        /// RotateÇÔ¼ö´Â °¢ °´Ã¼ÀÇ È¸Àü°¢µµ°ª¸¸Å­ ȸÀüÇÔ.
        /// </summary>
        /// <param name="angle"></param>
        void Rotate(float angle, UnitPoint center);
        void MakeLength(float distance);
        string GetInfoAsString();

        #endregion
    }

    public interface IEditTool
    {
        IEditTool Clone();

        bool SupportSelection { get; }
        void SetHitObjects(UnitPoint mousepoint, List<IDrawObject> list);

        void OnMouseMove(ICanvas canvas, UnitPoint point);
        eDrawObjectMouseDown OnMouseDown(ICanvas canvas, UnitPoint point, ISnapPoint snappoint);
        void OnMouseUp(ICanvas canvas, UnitPoint point, ISnapPoint snappoint);
        void OnKeyDown(ICanvas canvas, KeyEventArgs e);
        void Finished();
        void Undo();
        void Redo();
    }

    public interface IEditToolOwner
    {
        void SetHint(string text);
    }
}