#ifndef DCEL_HEADER
#include "dcel.h"
#endif

#ifndef VORONOI_HEADER
#define VORONOI_HEADER

typedef struct tower {
    char *id;
    char *postcode;
    char *manager;
    int population;
    double x;
    double y;
} tower_t;

/* Reads the CSV file and stores the information in the towers array */
tower_t **readTowers(tower_t **towers, FILE *datasetFile, int *numTowers);

/* Reads the current row from the CSV and converts it into a new tower */
void readCurrentTower(char *lineBuffer, tower_t *tower);

/* Frees all towers in a towers array */
void freeTowers(tower_t **towers, int numTowers);

/* Reads a points file and stores the information in the points array */
vertex_t **readPoints(vertex_t **points, FILE *pointsFile, int *numPoints);

/* Frees all points from a points array */
void freePoints(vertex_t **points, int numPoints);

/* Outputs the bisector equations from pointsFile into outputFile */
void stage1(char *pointsFileName, char *outputFileName);

/* Outputs the intersections the bisectors make with the polygon */
void stage2(char *pointsFileName, char *polygonFileName, char *outputFileName);

/* Constructs a Voronoi diagram and prints the resulting diameters */
void stage3(char *dataFileName, char *polygonFileName, char *outputFileName);

/* Same as stage3, but prints diameters in ascending order */
void stage4(char *dataFileName, char *polygonFileName, char *outputFileName);

#endif