#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>

void handle_arguments(int argc, char *argv[]) {
    if (argc != 2) {
        fprintf(stderr, "Usage: %s QUERRY\n", argv[0]);
        exit(EXIT_FAILURE);
    }

    if (strlen(argv[1]) > 100) {
        fprintf(stderr, "QUERRY must not exceed 100 characters!\n");
        exit(EXIT_FAILURE);
    }
}

void run_client(char *msg) {
    int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
    if (sockfd < 0) {
        fprintf(stderr, "socket: ");
        exit(EXIT_FAILURE);
    }

    struct sockaddr_in serv_addr;
    memset(&serv_addr, 0, sizeof(serv_addr)); //Clears the memory
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(2137);
    serv_addr.sin_addr.s_addr = INADDR_ANY;
    int rv = sendto(sockfd, msg, strlen(msg), 0, (const struct sockaddr *)&serv_addr, sizeof(serv_addr));
    if (rv < 0) {
        fprintf(stderr, "sendto: ");
        exit(EXIT_FAILURE);
    }
    char response[100];
    //rv = recvfrom(sockfd, response, sizeof(response), 0, NULL, NULL);
}

int main(int argc, char *argv[]) {
    handle_arguments(argc, argv);
    run_client(argv[1]);
    return 0;
}