#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "typedef.h"

#define TILESET_NAME (STR(TILESET))

typedef struct tile {
    char name[64];
    char symetry;
    small_t connections[SIDES_MAX];
} tile;

#define STR_AUX(a) #a
#define STR(a) STR_AUX(a)
#define TILESET_PATH(name) STR(../PATH/tilesets/name/tileset.h)

#include "config.h"
#include TILESET_PATH(TILESET)

#define MKDIR_FILES_SLASH_TILES STR(mkdir PATH/tiles)
#define TILES_DOT_DAT STR(PATH/tiles/tiles.dat)
#define COMMAND STR(cp PATH/tilesets/%s/%s.ppm PATH/tiles/tile_%d.ppm)

void copy(char *tile_set, char *name, int n)
{
    char command[512];
    sprintf(command, COMMAND,
            tile_set, name, n);
    system(command);
}

void gen()
{
    system(MKDIR_FILES_SLASH_TILES);

    FILE *fp = fopen(TILES_DOT_DAT, "wb");
    if(!fp) {
        err("Could not open file: %s", TILES_DOT_DAT);
        exit(EXIT_FAILURE);
    }

    small_t dim = DIMENTIONS;
    fwrite(&dim, sizeof(small_t), 1, fp);

    size_t tiles_sz = sizeof(tiles_to_load)/sizeof(int);
    fwrite(&tiles_sz, sizeof(size_t), 1, fp);

    for(size_t n = 0; n < tiles_sz; n++)
    {
        int t = tiles_to_load[n];
        copy(TILESET_NAME, tiles[t].name, n);

        fwrite(tiles[t].connections, sizeof(small_t), SIDES, fp);
        fwrite(&(tiles[t].symetry), sizeof(char), 1, fp);
    }

    fclose(fp);
}

int main(void)
{
    info("Generating Tile Data");
    gen();
    info("INFO: Successful");
    return 0;
}