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


int main(void)
{
    int sock = 0,n = 0;
    char recvBuff[1024];
    //TEST
    char user_input[10];
    char command[20];
    struct sockaddr_in serv_addr;

    memset(recvBuff, '\0' ,sizeof(recvBuff));
    if((sock = socket(AF_INET, SOCK_STREAM, 0))< 0)
        {
        printf("\n Error : Could not create socket \n");
        return 1;
        }

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(5000);
    //serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);

    if(connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr))<0)
        {
        printf("\n Error : Connect Failed \n");
        return 1;
        }
    //printf("cmd (? for help)>");

    while(1)
        {
        printf("cmd (? for help)> ");
        fgets(command, 20, stdin);
        if (command[0] == '?')
       printf("! You are connected to the server\n");
        else
       {
       printf("cmd (? for help)>\n");
       printf("Press a valid key\n");
       }

        printf("! Please press a key:\n");
        printf("! [1] list content of current directory (ls)\n! [2] print name of current directory (pwd)\n! [3] change current directory (cd)\n! [4] get file information\n! [5] display file (cat)\n! [?] this menu\n! [q] quit\ncmd (? for help)> ");


        fgets(command, 20, stdin);
        if (command[0] == '3')
       {
       printf("new dir (? for help)> ");
       fgets(command, 20, stdin);
       while (command[0] != '?')
           {
           printf("new dir (? for help)> ");
           fgets(command, 20, stdin);
           }
       printf("! ..     the parent directory\n! / a new absolute directory\n!   a new directory relative to the current position\n! [?]    this menu\n! [q]    leave this menu\n");
       printf("new dir (? for help)> ");
       fgets(command, 20, stdin);
       //printf("new dir (? for help)> %c%c", command[0], command[1]);
       //printf("! OK\n");
       }
        write(sock, command, strlen(command));
        memset(recvBuff, '\0', sizeof(recvBuff));
        while ( (n = read(sock, recvBuff, sizeof(recvBuff)-1)) > 0)
       {
       printf("%s\n", recvBuff);
       break;
       }
        }


    return 0;
}