#ifndef THICKENINGS_H
#define THICKENINGS_H

#include "coxeter.h"

#define DEBUG(msg, ...) do{fprintf(stderr, msg, ##__VA_ARGS__); }while(0)

#define MAX_THICKENINGS 10000000
#define HEAD_MARKER 127

typedef struct _edgelist {
  int to;
  struct _edgelist *next;
} edgelist_t;

typedef struct {
  int *word;
  int wordlength;
  int *left;
  int *right;
  int opposite;
  edgelist_t *bruhat_lower;
  edgelist_t *bruhat_higher;
  int is_hyperplane_reflection; // boolean value
} node_t;

char *alphabetize(int *word, int len, const char *alphabet, char *buffer);
void print_balanced_thickening(int rank, int order, const signed char *thickening, const int *left_invariant, const int *right_invariant, const char *alphabet, FILE *f);
void print_thickening(int rank, int order, const signed char *thickening, int fat, int slim, int conflict, const char *alphabet, FILE *f);
static int compare_wordlength(const void *a, const void *b, void *gr);
void prepare_graph(semisimple_type_t type, node_t *graph, edgelist_t **edgelists_pointer, int **words_pointer);
void enumerate_balanced_thickenings(semisimple_type_t type, node_t *graph, const char *alphabet, FILE *outfile);

#endif