#ifndef BOARD_H
#define BOARD_H

#include <stdbool.h>

// board spec from WDF rules
#define WIRE_WIDTH 1.56
#define INNER_DIAMETER_BULL 12.7
#define INNER_DIAMETER_25 31.8
#define DOUBLE_OUTER_EDGE 170.0
#define TREBLE_OUTER_EDGE 107.4
#define DOUBLE_INSIDE_WIDTH 8.0
#define TREBLE_INSIDE_WIDTH 8.0

#define SEGMENT_MAX_LEN 5
// distance from centre to apex of outer wire
// must be ordered outwards from centre
#define FOREACH_RING(M) \
	M(BULL, INNER_DIAMETER_BULL/2 + WIRE_WIDTH/2) \
	M(25, INNER_DIAMETER_25/2 + WIRE_WIDTH/2) \
	M(SMALL, TREBLE_OUTER_EDGE - WIRE_WIDTH - TREBLE_INSIDE_WIDTH - \
		WIRE_WIDTH/2) \
	M(TREBLE, TREBLE_OUTER_EDGE - WIRE_WIDTH/2) \
	M(BIG, DOUBLE_OUTER_EDGE - WIRE_WIDTH - DOUBLE_INSIDE_WIDTH - \
		WIRE_WIDTH/2) \
	M(DOUBLE, DOUBLE_OUTER_EDGE - WIRE_WIDTH/2)
#define GEN_RING_ENUM(X, D) R_ ## X,
#define GEN_RING_STRING(X, D) #X,
#define GEN_RING_OUTER_DIST(X, D) D,
enum ring {
	FOREACH_RING(GEN_RING_ENUM)
	R_OUT
};

struct segment {
	enum ring ring;
	int sector;
};

void init_board();

struct ccoords {
	double x, y;
};

struct pcoords {
	double a, r;
};

struct segment get_segment(struct pcoords c);
char *segment_name(struct segment seg);
int segment_points(struct segment seg);
bool segment_is_double(struct segment seg);
struct pcoords segment_centre(struct segment seg);
struct segment segment_from_name(char *name);

#endif