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

#define LENGTH 512

int main(void) {
    char message[1024];
    struct sockaddr_in adr;
    int socket;
    char separator[] = " ";
    char * token;

    socket = socket(PF_INET, SOCK_STREAM, 0);
    adr.sin_family = AF_INET;
    adr.sin_port = htons(3047);
    adr.sin_addr.s_addr = inet_addr("150.254.79.243");
    if (connect(socket, (struct sockaddr*) &adr,
                sizeof(adr)) < 0)
    {
        printf("Nawiazanie polaczenia nie powiodlo sie.\n");
        return 1;
    }

    while(1) {
	memset(message, 0, 1024);
        printf("Polaczenie nawiazane.\nPodaj message: ");
        fflush(stdout);
        if (fgets(message,1024,stdin) != NULL)
        {
            printf("-------------------- ");
        }

	token = strtok( message, separator );
	printf("token: %s\n", token);

        if(strncmp(token, "send", 4) == 0) {
            printf( "wywolaj funkcje: send\n" );
            send(socket, token, strlen(token), 0);
            printf("message wyslana (message sent).\n");
        } else if(strncmp(token, "list", 4) == 0) {
            printf( "wywolaj funkcje: list\n");
        } else if(strncmp(token, "quit", 4) == 0) {
	        send(socket, token, strlen(token), 0);
            close(socket);
            exit(0);
        } else {
            printf("Nieznana komenda!\n");
        }
    }
    close(socket);

	/* Send File to Server */
	int sendFile() {
		char* fs_name = "file.txt"; //to variable
		char sdbuf[LENGTH];
		printf("[Client] Sending %s to the Server...", fs_name);
		FILE *fs = fopen(fs_name, "r");
		if(fs == NULL)
		{
		    printf("ERROR: File %s not found.\n", fs_name);
			exit(1);
		}

		bzero(sdbuf, LENGTH);
		int fs_block_sz;
		//int success = 0;
		while((fs_block_sz = fread(sdbuf, sizeof(char), LENGTH, fs))>0)
	    {
	        if(send(socket, sdbuf, fs_block_sz, 0) < 0)
	        {
	            printf("ERROR: Failed to send file %s.\n", fs_name);
	            break;
	        }
	        bzero(sdbuf, LENGTH);
	    }
	    printf("Ok File %s from Client was Sent!\n", fs_name);
	    //success = 1;
	}
	/* Receive File from Server */
	/*printf("[Client] Receiveing file from Server and saving it as final.txt...");
	char* fr_name = "/home/aryan/Desktop/progetto/final.txt"; //to variable
	FILE *fr = fopen(fr_name, "a");
	if(fr == NULL)
		printf("File %s Cannot be opened.\n", fr_name);
	else
	{
	    bzero(revbuf, LENGTH);
	    int fr_block_sz = 0;
	    int success = 0;
	    //while(success == 0)
	    //{
	        while(fr_block_sz = recv(sockfd, revbuf, LENGTH, 0))
	        {
	            if(fr_block_sz < 0)
	            {
	                error("Receive file error.\n");
	            }
	            int write_sz = fwrite(revbuf, sizeof(char), fr_block_sz, fr);
	            if(write_sz < fr_block_sz)
	            {
	                error("File write failed.\n");
	            }
				else if(fr_block_sz)
				{
					break;
				}
	            bzero(revbuf, LENGTH);
	        }
	        printf("Ok received from server!\n");
	        success = 1;
	        fclose(fr);
	    //}
	}*/
    return 0;
}