/*
gGraph Graphing System Header File

Author: Mark Watkins <jedimark64@users.sourceforge.net>
License: LGPL
*/
#ifndef GRAPH_H
#define GRAPH_H

#include <sleeplib/machine.h>
#include <list>


#if !wxCHECK_VERSION(2,9,0)
extern wxColor *wxYELLOW;
#endif
extern wxColor *wxAQUA;
extern wxColor *wxPURPLE;
extern wxColor *wxGREEN2;
extern wxColor *wxLIGHT_YELLOW;
extern wxColor *wxDARK_GREEN;

#define MIN(a,b) (a<b) ? a : b;
#define MAX(a,b) (a<b) ? b : a;

class Point3D
{
public:
    Point3D() {x=0; y=0; z=0;};
    Point3D(double _x,double _y, double _z) { x=_x; y=_y; z=_z; };

    double x,y,z;
};

enum gDataType { gDT_Point, gDT_Point3D, gDT_Stacked, gDT_Segmented };

class gLayer;

class gGraphData
{
public:
    gGraphData(int mp,gDataType t=gDT_Point);
    virtual ~gGraphData();

    virtual void Reload(Day *day=NULL) {};

    virtual void Update(Day *day=NULL);
    //inline wxRealPoint & operator [](int i) { return vpoint[seg][i]; };
    //inline vector<double> & Vec(int i) { return yaxis[i]; };

    //virtual inline const int & NP(int i) { return vnp[i]; };
    //virtual inline const int & MP(int i) { return vsize[i]; };
    inline const gDataType & Type() { return type; };

    virtual inline double MaxX() { return max_x; };
    virtual inline double MinX() { return min_x; };
    virtual inline double MaxY() { return max_y; };
    virtual inline double MinY() { return min_y; };
    virtual inline void SetMaxX(double v) { max_x=v; if (max_x>real_max_x) max_x=real_max_x; };
    virtual inline void SetMinX(double v) { min_x=v; if (min_x<real_min_x) min_x=real_min_x; };
    virtual inline void SetMaxY(double v) { max_y=v; if (max_y>real_max_y) max_y=real_max_y; };
    virtual inline void SetMinY(double v) { min_y=v; if (min_y<real_min_y) min_y=real_min_y; };
    virtual inline double RealMaxX() { return real_max_x; };
    virtual inline double RealMinX() { return real_min_x; };
    virtual inline double RealMaxY() { return real_max_y; };
    virtual inline double RealMinY() { return real_min_y; };

    inline void ResetX() { min_x=real_min_x; max_x=real_max_x; };
    inline void ResetY() { min_y=real_min_y; max_y=real_max_y; };

    virtual inline int VC() { return vc; };

    vector<int> np;
    vector<int> maxsize;
    const bool & IsReady() { return m_ready; };

    void AddLayer(gLayer *g) { notify_layers.push_back(g); };
protected:
    virtual void AddSegment(int max_points) {};

    double real_min_x, real_max_x, real_min_y, real_max_y;
    double min_x, max_x, min_y, max_y;

    int vc;
    gDataType type;
    int max_points;
    bool m_ready;

    list<gLayer *> notify_layers;

};

class gPoint3DData:public gGraphData
{
public:
    gPoint3DData(int mp);
    virtual ~gPoint3DData();
    virtual void Reload(Day *day=NULL) {};
    virtual void AddSegment(int max_points);
    vector<Point3D *> point;
};

class gPointData:public gGraphData
{
public:
    gPointData(int mp);
    virtual ~gPointData();
    virtual void Reload(Day *day=NULL){};
    virtual void AddSegment(int max_points);
    vector<wxRealPoint *> point;
};



class gGraphWindow:public wxWindow // rename to gGraphWindow
{
    public:
        gGraphWindow() {};
        gGraphWindow(wxWindow *parent, wxWindowID id,const wxString & title=wxT("Graph"),const wxPoint &pos = wxDefaultPosition,const wxSize &size = wxDefaultSize,long flags = 0);

        virtual ~gGraphWindow();
        virtual void OnPaint(wxPaintEvent & event);
        virtual void OnSize(wxSizeEvent & event);
        //virtual void OnMouseWheel(wxMouseEvent &event);
        virtual void OnMouseMove(wxMouseEvent &event);
        virtual void OnMouseLeftDown(wxMouseEvent &event);
        virtual void OnMouseLeftRelease (wxMouseEvent  &event);
        virtual void OnMouseRightDown(wxMouseEvent &event);
        virtual void OnMouseRightRelease(wxMouseEvent &event);

        int GetScrX(void) const { return m_scrX; };
        int GetScrY(void) const { return m_scrY; };

        void SetMargins(int top, int right, int bottom, int left);
        const wxString & Title(void ) { return m_title; };
        int GetTopMargin(void) const { return m_marginTop; };
        int GetBottomMargin(void) const { return m_marginBottom; };
        int GetLeftMargin(void) const { return m_marginLeft; };
        int GetRightMargin(void) const { return m_marginRight; };

        inline int Width() { return m_scrX-m_marginLeft-m_marginRight; };
        inline int Height() { return m_scrY-m_marginTop-m_marginBottom; };

        virtual double MinX();
        virtual double MaxX();
        virtual double MinY();
        virtual double MaxY();

        virtual double RealMinX();
        virtual double RealMaxX();
        virtual double RealMinY();
        virtual double RealMaxY();

        virtual void SetMinX(double v);
        virtual void SetMaxX(double v);
        virtual void SetMinY(double v);
        virtual void SetMaxY(double v);

        virtual void SetXBounds(double minx, double maxx);
        virtual void ZoomX(double mult,int origin_px);
        virtual void ZoomXPixels(int x1, int x2);           // Zoom between two selected points on screen
        virtual void MoveX(int i);                          // Move x bounds by i Pixels

        inline int x2p(double x) {
            double xx=max_x-min_x;
            double w=(Width()/xx)*(x-min_x);
            return w+GetLeftMargin();
        };
        inline double p2x(int px) {
            double xx=max_x-min_x;
            double wx=px-GetLeftMargin();
            double ww=wx/Width();
            return min_x+(xx*ww);
        };
        inline int y2p(double y) {
            double yy=max_y-min_y;
            double h=(Height()/yy)*(y-min_y);
            return h+GetTopMargin();
        };
        inline double p2y(int py) {
            double yy=max_y-min_y;
            double hy=py-GetTopMargin();
            double hh=hy/Height();
            return min_y+(yy*hh);
        };

        virtual void Update();
        //virtual void Update();
        void AddLayer(gLayer *l);

        void DataChanged(gLayer *layer);

        double max_x,min_x,max_y,min_y;
        double rmax_x,rmin_x,rmax_y,rmin_y;

    protected:

        std::list<gLayer *> layers;
        wxColour m_bgColour;	//!< Background Colour
        wxColour m_fgColour;	//!< Foreground Colour
        wxColour m_axColour;	//!< Axes Colour
        wxString m_title;
        int    m_scrX;      //!< Current view's X dimension
        int    m_scrY;      //!< Current view's Y dimension
        wxPoint m_mouseLClick,m_mouseRClick,m_mouseRClick_start;

        int m_marginTop, m_marginRight, m_marginBottom, m_marginLeft;

        wxRect m_mouseRBrect,m_mouseRBlast;
        bool m_mouseLDown,m_mouseRDown,m_datarefresh;

        DECLARE_DYNAMIC_CLASS(gGraphWindow)
        DECLARE_EVENT_TABLE()
};

//Borrows a lot of concepts from wxmathplot
class gLayer
{
    public:
        gLayer(gPointData *g=NULL,wxString title=wxT(""));
        virtual ~gLayer();
        //virtual void Update() { data=gd; };
        virtual void Plot(wxDC & dc, gGraphWindow & w);
        vector<const wxColor *> color;
        virtual void SetData(gPointData * gd) { data=gd; };
        virtual gPointData * GetData() { return data; };

        virtual void DataChanged(gGraphData *src) {
            for (auto i=m_graph.begin();i!=m_graph.end();i++)
                (*i)->DataChanged(this);

        }; // Notify signal sent from gGraphData.. pass on to the graph so it can que a refresh and update stuff.

        virtual double MinX() { if (data) return data->MinX(); return 0;};
        virtual double MaxX() { if (data) return data->MaxX(); return 0;};
        virtual double MinY() { if (data) return data->MinY(); return 0;};
        virtual double MaxY() { if (data) return data->MaxY(); return 0;};

        virtual double RealMinX() { if (data) return data->RealMinX(); return 0;};
        virtual double RealMaxX() { if (data) return data->RealMaxX(); return 0;};
        virtual double RealMinY() { if (data) return data->RealMinY(); return 0;};
        virtual double RealMaxY() { if (data) return data->RealMaxY(); return 0;};

        virtual void SetMinX(double v) { if (data) data->SetMinX(v); };
        virtual void SetMaxX(double v) { if (data) data->SetMaxX(v); };
        virtual void SetMinY(double v) { if (data) data->SetMinY(v); };
        virtual void SetMaxY(double v) { if (data) data->SetMaxY(v); };

        virtual inline int x2p(gGraphWindow & g,double x) {
            double xx=data->MaxX()-data->MinX();
            double w=(g.Width()/xx)*(x-data->MinX());
            return w+g.GetLeftMargin();
        };
        virtual inline double p2x(gGraphWindow & g,int px) {
            double xx=data->MaxX()-data->MinX();
            double wx=px-g.GetLeftMargin();
            double ww=wx/g.Width();
            return data->MinX()+(xx*ww);
        };
        virtual inline int y2p(gGraphWindow & g,double y) {
            double yy=data->MaxY()-data->MinY();
            double h=(g.Height()/yy)*(y-data->MinY());
            return h+g.GetTopMargin();
        };
        virtual inline double p2y(gGraphWindow & g,int py) {
            double yy=data->MaxY()-data->MinY();
            double hy=py-g.GetTopMargin();
            double hh=hy/g.Height();
            return data->MinY()+(yy*hh);
        };
        void NotifyGraphWindow(gGraphWindow *g) { m_graph.push_back(g); };

    protected:
        bool m_visible;
        bool m_movable;
        wxString m_title;
        gPointData *data;   // Data source
        list<gGraphWindow *> m_graph; // notify list of graphs that attach this layer.
};

class gCandleStick:public gLayer
{
    public:
        gCandleStick(gPointData *d=NULL,wxOrientation o=wxHORIZONTAL);
        virtual ~gCandleStick();

        virtual void Plot(wxDC & dc, gGraphWindow & w);
        void AddName(wxString name) { m_names.push_back(name); };

    protected:
        wxOrientation m_direction;
        vector<wxString> m_names;

};

class gLineChart:public gLayer
{
    public:
        gLineChart(gPointData *d=NULL,const wxColor * col=wxBLACK,int dlsize=4096,bool a=true);
        virtual ~gLineChart();

        virtual void Plot(wxDC & dc, gGraphWindow & w);
        virtual const wxString & FormatX(double v) { static wxString t; wxDateTime d; d.Set(v); t=d.Format(wxT("%H:%M")); return t; };
        //virtual const wxString & FormatX(double v) { static wxString t; t=wxString::Format(wxT("%.1f"),v); return t; };
        virtual const wxString & FormatY(double v) { static wxString t; t=wxString::Format(wxT("%.1f"),v); return t; };

        virtual void DrawXTicks(wxDC & dc,gGraphWindow &w);
        virtual void DrawYTicks(wxDC & dc,gGraphWindow &w);

    protected:
        float m_yminor_ticks;
        float m_ymajor_ticks;
        bool m_accelerate;
        int m_drawlist_size;
        wxPoint *m_drawlist;
        bool m_show_grid;
        bool m_show_minor_grid;

};

class gLineOverlayBar:public gLayer
{
    public:
        gLineOverlayBar(gPointData *d=NULL,const wxColor * col=wxBLACK,wxString _label=wxT(""));
        virtual ~gLineOverlayBar();

        virtual void Plot(wxDC & dc, gGraphWindow & w);

    protected:
        wxString label;
};

class gFlagsLine:public gLayer
{
    public:
        gFlagsLine(gPointData *d=NULL,const wxColor * col=wxBLACK,wxString _label=wxT(""),int _line_num=0,int _total_lines=0);
        virtual ~gFlagsLine();

        virtual void Plot(wxDC & dc, gGraphWindow & w);

    protected:
        wxString label;
        int line_num,total_lines;
};


class gBarChart:public gLayer
{
    public:
        gBarChart(gPointData *d=NULL,const wxColor *col=NULL,wxOrientation o=wxHORIZONTAL);
        virtual ~gBarChart();

        virtual void Plot(wxDC & dc, gGraphWindow & w);

    protected:
        void DrawYTicks(wxDC & dc,gGraphWindow &w);

        wxOrientation m_direction;
        float m_yminor_ticks;
        float m_ymajor_ticks;

        // d.Set(i+2400000.5+.000001); // JDN vs MJD vs Rounding errors

        virtual const wxString & FormatX(double v) { static wxString t; wxDateTime d; d.Set(v+2400000.5); t=d.Format(wxT("%e %b")); return t; };
        //virtual const wxString & FormatX(double v) { static wxString t; wxDateTime d; d.Set(vi+2400000.5); t=d.Format(wxT("%H:%M")); return t; };
        //virtual const wxString & FormatX(double v) { static wxString t; t=wxString::Format(wxT("%.1f"),v); return t; };
        virtual const wxString & FormatY(double v) { static wxString t; t=wxString::Format(wxT("%.1f"),v); return t; };

        bool m_show_grid;
        bool m_show_minor_grid;

};

class FlagData:public gPointData
{
public:
    FlagData(MachineCode _code,double _value=0,int _field=-1,int _offset=-1);
    virtual ~FlagData();
    virtual void Reload(Day *day=NULL);
protected:
    MachineCode code;
    double value;
    int field;
    int offset;
};

class TAPData:public gPointData
{
public:
    TAPData();
    virtual ~TAPData();
    virtual void Reload(Day *day=NULL);
};

class FlowData:public gPointData
{
public:
    FlowData();
    virtual ~FlowData();
    virtual void Reload(Day *day=NULL);
};

class PressureData:public gPointData
{
public:
    PressureData(MachineCode _code,int _field=0);
    virtual ~PressureData();
    virtual void Reload(Day *day=NULL);
protected:
    MachineCode code;
    int field;
};

class AHIData:public gPointData
{
public:
    AHIData();
    virtual ~AHIData();
    virtual void Reload(Day *day=NULL);
};

class HistoryData:public gPointData
{
public:
    HistoryData(Machine *_machine,int _days);
    virtual ~HistoryData();

    void SetMachine(Machine *_machine) { machine=_machine; Reload(); };
    Machine * GetMachine() { return machine; };
    void SetDays(int i) { days=i; };
    int GetDays() { return days; };
    double GetAverage();

    virtual double Calc(Day *day);
    virtual void Reload(Day *day=NULL);
  //  virtual void Reload(Machine *machine=NULL);
protected:
    Machine *machine;
    int days;
};

class HistoryCodeData:public HistoryData
{
public:
    HistoryCodeData(Machine *_machine,MachineCode _code,int _days);
    virtual ~HistoryCodeData();
    virtual double Calc(Day *day);
protected:
    MachineCode code;
};

#endif // GRAPH_H