#ifndef Graph_h
#define Graph_h
#include <Arduino.h>
#include "Ecran.h"
#include "common.h"

// Max series in graph
#define MAX_SERIES  2

enum SCALE {ONE_SCALE, TWO_SCALES};

enum SCALE_MODE {DYNAMIC_SCALE, FIXED_SCALE};

enum CHART_TYPE {TYPE_BARCHART, TYPE_LINE, TYPE_FILL_LINE};

typedef struct { 
  CHART_TYPE chart_type;
  uint16_t color;
  float data[max_readings];
  int thickness; // if not barchart mode
  int readings;
} Serie;

typedef struct { 
  String title;
  String x_title;
  String y_title;
  SCALE_MODE auto_scale; 
  SCALE show_2_scales;
  float Y_Min[MAX_SERIES]; 
  float Y_Max[MAX_SERIES];
  int auto_scale_margin; // Sets the autoscale increment, so axis steps up in units of e.g. 3
  int y_minor_axis;      // 5 y-axis division markers
//Draw the Y-axis scale
  int number_of_dashes;
  int nb_series;
  Serie series[MAX_SERIES];

} Graph_Param;

class Graph { 
  public:
    Graph(Ecran * ecran, Graph_Param gp);  
    void draw(int readings, int x_pos, int y_pos, int gwidth, int gheight); //float DataArray[], int readings);
  public:
    Ecran * ecran;
    Graph_Param gp;
};
#endif