/*TITLE supermarket pricing main program */

/****keyword-flag*** "%v %f %n" */
/* "10 20-Mar-98,20:14:10 SUPERT.CPP" */

#include <stdio.h>
#include <stdlib.h>
#include "superm.h"

void process(PriceFile* price_file, FILE *UPC_file);

extern long lookup_count;
extern long hit_count;

int main(int argc, char *argv[])
{
	PriceFile* price_file;
	FILE *UPC_file;

	if (argc < 3)
		{
		printf("Usage: supert price_file code_file\n");
		exit(1);
		}
	
	price_file = initialize_price_file(argv[1],KEEP_FILE);
	UPC_file = fopen(argv[2],"r+");

	setvbuf(UPC_file,NULL,_IOFBF,32000);

	process(price_file,UPC_file);

	terminate_price_file(price_file);

	fclose(UPC_file);
	printf("Hit rate: %3.2f\n",((float)hit_count/(float)lookup_count));

    return 0;
}



void process(PriceFile* price_file,FILE *UPC_file)
{
	ItemRecord *item_record_ptr;
	char ascii_code_number[100];
	int status;
	char upc[11];
	char description[100];
	int i;
	char *result;

	for (i = 0; ; i ++)
		{
		result = fgets(ascii_code_number,100,UPC_file);
		if (result == NULL)
			break;
		ascii_code_number[10] = 0;
		status = lookup_record(price_file,ascii_code_number,
			&item_record_ptr);
		if (status == FOUND)
			{
			BCD_to_ascii(upc,&item_record_ptr->upc[0],ASCII_KEY_SIZE);
			radix40_to_ascii((unsigned char*)description,
			&item_record_ptr->description[0], DESCRIPTION_CHARS);
/*		printf("%s:%s:%u\n",upc,description,item_record_ptr->price); */
			}
		else if (status == NOT_IN_FILE)
			printf("Item #%s not found\n",ascii_code_number);
		}

}