/*
	show-hiscore.c -- The main function for get_highscore_client().
	Created on: 2008/12/06 19:21:52
	~yas/dsys/highscore/centralized/show-hiscore.c
*/

#include <stdio.h>	/* stderr, fprintf() */
#include <stdlib.h>	/* strtol() */
#include "highscore-tcp.h"

static void show_score( char *host, int port, int top );

static void usage( char *comname ) {
	fprintf(stderr,"Usage: %% %s host portno n\n", comname);
	exit( 1 );
}

main( int argc, char *argv[], char *envp[] ) {
    int top, portno ;
    char *name, *server ;
	if( argc != 4 )
	    usage( argv[0] );
	server = argv[1];
	portno = strtol( argv[2], 0, 10);
	top = strtol( argv[3], 0, 10);
	show_score( server, portno, top );
}

static void show_score( char *server, int portno, int top ) {
    score_record_t records[HIGHSCORE_MAX_RECORDS];
    int n, i ;
    	if( top > HIGHSCORE_MAX_RECORDS ) {
	    fprintf(stderr,"Warning: top too large: %d\n",top);
	    top = HIGHSCORE_MAX_RECORDS;
	}
	n = get_highscore_client( server, portno, records, top );
	if( n >= 0 ) {
	    printf("%d hiscore record(s) received\n", n );
	    for( i=0; i<n; i++ ) {
		printf("%10d %s\n", records[i].score, records[i].name );
	    }
	}
	else {
	    printf("error: %d\n", n );
	}
}