// Compile with
//  gcc -m32 -I src/char -I src/common charfrob.c -o charfrob  src/common/timer.o src/common/malloc.o src/common/socket.o src/common/lock.o src/common/db.o src/char/int_pet.o src/char/int_storage.o src/char/inter.o src/char/int_party.o src/char/int_guild.o

#include <stdio.h>
#include <stdlib.h>
#include "../common/mmo.h"
#include "../char/char.c"

// Well, this is not terribly elegant, but I don't have that much time.
#define MAX_ITEM_ID 65535
int inv_translate[MAX_ITEM_ID];

void
transform_char(struct mmo_charstatus *p)
{
        int k;
        for (k = 0; k < MAX_INVENTORY; k++)
                p->inventory[k].nameid = inv_translate[p->inventory[k].nameid];
}

int mmo_char_convert()
{
        char line[965536];
        int ret;
	struct mmo_charstatus char_dat;
        FILE *ifp,*ofp;

	ifp=stdin;
	ofp=stdout;
        while(fgets(line,65535,ifp)){
                memset(&char_dat,0,sizeof(struct mmo_charstatus));
                ret=mmo_char_fromstr(line,&char_dat);
                if(ret){
                        transform_char(&char_dat);
                        mmo_char_tostr(line,&char_dat);
                        fprintf(ofp,"%s" RETCODE,line);
                }
        }
        fcloseall();
        return 0;
}

#define PARSE_MODE_NEXTNUM 0
#define PARSE_MODE_RANGE 1

int init(char *source, char *dest)
{
        int i;
        char *end_of_num;
        int dest_nr = strtol(dest, &end_of_num, 0);
        int range_start;
        int mode = PARSE_MODE_NEXTNUM;

        if (*end_of_num) {
                fprintf(stderr, "Invalid inventory ID: `%s'\n", dest);
                return 1;
        }

        /* init */
        for (i = 0; i < MAX_ITEM_ID; i++)
                inv_translate[i] = i;

        while (*source) {
                int nr = strtol(source, &end_of_num, 0);
                char sep;

                if (end_of_num == source) {
                        fprintf(stderr, "Invalid source range description: `%s'\n", source);
                        return 1;
                }

                switch (mode) {
                case PARSE_MODE_NEXTNUM:
                        inv_translate[nr] = dest_nr;
                        break;
                case PARSE_MODE_RANGE:
                        for (i = range_start; i <= nr; i++)
                                inv_translate[i] = dest_nr;
                        break;
                default: fprintf(stderr, "Internal error at %d\n", __LINE__);
                        return 1;
                };

                sep = *end_of_num++;

                switch (sep) {
                case '-':
                    range_start = nr;
                    mode = PARSE_MODE_RANGE; break;
                case ',': mode = PARSE_MODE_NEXTNUM; break;
                case 0: return 0;
                default: fprintf(stderr, "Invalid token in range spec: `%c'\n", sep);
                        return 1;
                }

                source = end_of_num;
        }
        return 0;
}

int main(int argc,char *argv[])
{
	if(argc < 3) {
		printf("Usage: %s <inventory ID input range> <inventory ID output>\n", argv[0]);
                printf("e.g., %s 501-555 701\n", argv[0]);
		exit(0);
	}
        if (init(argv[1], argv[2]))
                return 1;

	mmo_char_convert();

	return 0;
}


/* satisfy linker */
void set_termfunc(void (*termfunc)(void)) {};