/*
Client server Developed By Nir Bercovitz
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include "brd.h"
#include <sys/shm.h>
#include <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <stdint.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <linux/filter.h>
#include <netinet/in.h>
#define MYSERVER "127.0.0.1"

void failure (char *msg);
void printMsg(msg_ent_t s);


int main(int argc,char *argv[])
{
    int sd,i;
    struct sockaddr_in clientaddr;
    msg_date_t msg_date;
    msg_cnt_t msg_cnt;
    msg_ent_t msgFromSrvr;

     if(argc < 2)
    {
        printf("few arguments!\n");
        exit(EXIT_FAILURE);
    }

    // open a socket
    if((sd = socket(AF_INET,SOCK_STREAM,0)) < 0)
        failure("Client socket:");
    printf("Connecting to Server %s\n",MYSERVER);

    // converitng the ip address and the struct into the correct type
    clientaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
    clientaddr.sin_family = AF_INET;
    clientaddr.sin_port = htons(B_PORT_NUM);
    if (inet_aton(MYSERVER , &clientaddr.sin_addr) == 0)
        failure("inet_aton() failed\n");

    //connect to server
    if((connect(sd, (struct sockaddr *)&clientaddr, sizeof(clientaddr))) < 0 )
        failure("Connect failed:");
    puts("Connected\n;");

    //filling fields of msg type date
    char * sptr = NULL;
    msg_date.m_start.day = atoi(strtok_r(argv[1],"/\n",&sptr));
    msg_date.m_start.month = atoi(strtok_r(NULL,"/\n",&sptr));
    msg_date.m_start.year = atoi(strtok_r(NULL,"/\n",&sptr));
    msg_date.m_type = B_TYPE_DATE;

    //sending message of type msg_date_t
    if(send(sd,(char *) &msg_date ,sizeof(msg_date) , 0 ) < 0)
        failure("Send failed");

    //reciving message from type msg_date_t
    if(recv(sd,(char *)&msg_cnt,sizeof(msg_cnt),0) < 0)
        failure("recv failed:");

    if(msg_cnt.m_count == 0)
        printf("No messages was found for date %s\n\n",argv[1]);
    else
    {
        printf("%d Messages was found:\n",msg_cnt.m_count);
        for (i = 0; i < msg_cnt.m_count; i++)
        {
            if (recv(sd, (char *) &msgFromSrvr, sizeof(msgFromSrvr), 0) < 0)
                failure("recv failed:");
            printMsg(msgFromSrvr);
        }
    }

    if (close(sd) < 0)
        failure("close");

}
void failure (char *msg)
{
    perror(msg);
    exit(EXIT_FAILURE);
}
void printMsg(msg_ent_t s)
{
    printf("%d/%d/%d",s.m_entry.b_date.day,s.m_entry.b_date.month,s.m_entry.b_date.year);
    printf(" ");
    printf("%s",s.m_entry.b_category);
    printf("%s\n",s.m_entry.b_text);
}