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

  
int main(int argc, char* argv[]) {  
    if (argc != 2) {  
        fprintf(stderr, "Usage: %s <NTP server address>\n", argv[0]);  
        return 1;  
    }  
  
    const char* ntp_server = argv[1];  
    NTPClient* client = createNTPClient(ntp_server, NTP_PORT);  
    if (!client) {  
        fprintf(stderr, "Failed to create NTP client.\n");  
        return 1;  
    }  
  
    time_t current_time;  
    if (getCurrentTimeFromNTP(client, &current_time) < 0) {  
        fprintf(stderr, "Failed to get time from NTP server.\n");  
        destroyNTPClient(client);  
        return 1;  
    }  
  
    // 打印获取到的时间  
    char time_string[26];  
    strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", localtime(&current_time));  
    printf("Current time from NTP server: %s\n", time_string);  
  
    char weekday[20];  
    getCurrentWeekday(current_time,weekday);  
    // 打印获取到的星期 
    printf("The day of the week is: %s\n", weekday);  

    // 销毁NTP客户端实例  
    destroyNTPClient(client);  
  
    return 0;  
}