#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>

#include <SDL/SDL.h>
#include <SDL/SDL_keysym.h>
#include "convert.h"
#include "constants.h"

char text[BUFLEN];

int nummaps;
int curmap;
int modified;

int main (int argc, char **argv) {
	if (argc != 3) {
		printf("convert - converts old netmapr 0.98 maps to new format.\n",argv[0]);
		printf("usage: %s source dest\n",argv[0]);
		exit(1);
	}

	strcpy(text, argv[1]);
	loadmap();

	strcpy(text, argv[2]);
	savemap();

	return 0;
}

int loadmap(void) {
	char filename[BUFLEN];
	FILE *f;
	int namelen;
	int i;
	/* TODO: validate */
	strcpy(filename, text);


	f = fopen(filename, "rb");
	if (!f) {
		printf("ERROR: Cannot open '%s'.\n",filename);
		return TRUE;
	}

	/* TODO: free() variables! */


	/* read in number maps */
	fread(&nummaps, sizeof(int), 1, f);

	for (i = 0; i < nummaps; i++) {
		fread(&map[i].width, sizeof(int), 1, f);
		fread(&map[i].height, sizeof(int), 1, f);
		fread(&map[i].bpp, sizeof(int), 1, f);
		fread(&map[i].bgcol, sizeof(SDL_Color), 1, f);
		fread(&map[i].boxcol, sizeof(SDL_Color), 1, f);
		fread(&map[i].numthings, sizeof(int), 1, f);
		fread(&map[i].numobjects, sizeof(int), 1, f);
		fread(&map[i].numlinks, sizeof(int), 1, f);
		fread(&map[i].numtext, sizeof(int), 1, f);
		map[i].selecteditem = -1;
		map[i].selecteditemtype = -1;
		map[i].selectedlinkpoint = -1;
		map[i].selectedtype = 0;
		map[i].curobj = -1;
		map[i].curlink = -1;
		map[i].curlinkpoint = -1;
		map[i].curtext = -1;
		map[i].startx = -1;
		map[i].starty = -1;
		map[i].textanchor = -1;
		strcpy(map[i].text, "");

		fread(&namelen, sizeof(int), 1, f);
		fread(&map[i].name, (namelen+1) * sizeof(char), 1, f);

		/* read objects */
		fread(&map[i].thing, sizeof(thing_t), map[i].numthings, f);
		fread(&map[i].olink, sizeof(link_t), map[i].numlinks, f);
		fread(&map[i].obj, sizeof(object_t), map[i].numobjects, f);
		fread(&map[i].textob, sizeof(text_t), map[i].numtext, f);
	}

	fclose(f);

	curmap = 0;

	modified = FALSE;
	printf("Successfully loaded map from '%s' (%d maps).\n",filename,nummaps); fflush(stdout);
	
	return FALSE;
}


int savemap(void) {
	char filename[BUFLEN];
	FILE *f;
	int namelen;
	int i;

	/* TODO: validate */
	strcpy(filename, text);


	printf("Saving map...\n");


	if ((f = fopen(filename, "wb")) == NULL) {
		printf("ERROR: Could not open '%s'.\n",filename);
		return TRUE;
	}

	/* dump out numbers of map[curmap].objects */
	fwrite(&nummaps, sizeof(int), 1, f);

	for (i = 0; i < nummaps; i++) {
		fwrite(&map[i].width, sizeof(int), 1, f);
		fwrite(&map[i].height, sizeof(int), 1, f);
		fwrite(&map[i].bpp, sizeof(int), 1, f);
		fwrite(&map[i].bgcol, sizeof(SDL_Color), 1, f);
		fwrite(&map[i].boxcol, sizeof(SDL_Color), 1, f);
		fwrite(&map[i].numthings, sizeof(int), 1, f);
		fwrite(&map[i].numobjects, sizeof(int), 1, f);
		fwrite(&map[i].numlinks, sizeof(int), 1, f);
		fwrite(&map[i].numtext, sizeof(int), 1, f);
		/* selecteditem*/
		/* selecteditemtype*/
		/* selectedlinkpoint*/
		/* selectedtype*/
		/* curobj*/
		/* curlink*/
		/* curlinkpoint*/
		/* curtext*/
		/* startx,starty */
		/* textanchor */
		/* text*/
		namelen = strlen(map[i].name);
		fwrite(&namelen, sizeof(int), 1, f);
		fwrite(&map[i].name, (namelen+1) * sizeof(char), 1, f);

		/* write objects */
		fwrite(&map[i].thing, sizeof(thing_t), map[i].numthings, f);
		fwrite(&map[i].olink, sizeof(link_t), map[i].numlinks, f);
		fwrite(&map[i].obj, sizeof(mapobject_t), map[i].numobjects, f);
		fwrite(&map[i].textob, sizeof(text_t), map[i].numtext, f);
	}

	fclose(f);


	modified = FALSE;
	printf("Successfully saved map to '%s'.\n",filename);

		
	return 0;
}