//CLIENT
#include <stdio.h>      /* printf, sprintf */
#include <stdlib.h>     /* exit, atoi, malloc, free */
#include <unistd.h>     /* read, write, close */
#include <string.h>     /* memcpy, memset */
#include <sys/socket.h> /* socket, connect */
#include <netinet/in.h> /* struct sockaddr_in, struct sockaddr */
#include <netdb.h>      /* struct hostent, gethostbyname */
#include <arpa/inet.h>
#include "helpers.h"
#include "requests.h"

int main(int argc, char *argv[])
{
    int i;
    char *message;
    char *response;
    int sockfd;


    /*
    *   Ex 0: Get cs.curs.pub.ro
    *
    *   Pas 1: Se deschide conexiunea (open_connection)
    *   Pas 2: Se creaza mesajul de request (compute_get_request)
    *   Pas 3: Se trimite la server mesajul (send_to_server)
    *   Pas 4: Se primeste raspuns de la server (receive_from_server)
    *   Pas 5: Se inchide conexiunea cu serverul (close_connection)
    */

    //TODO EX 0
    /*sockfd = open_connection("141.85.241.51", 80, AF_INET, SOCK_STREAM, 0);
    message = compute_get_request("141.85.241.51", "/", NULL);
    send_to_server (sockfd, message);
    response = receive_from_server(sockfd);
    printf("%s\n", response);
    close_connection(sockfd);
    *//*
        Ex 1: Get videos
    */

    // TODO EX 1
    // sockfd = open_connection("185.118.200.37", 8081, AF_INET, SOCK_STREAM, 0);
    // message = compute_get_request("185.118.200.37", "/videos", NULL);
    // send_to_server (sockfd, message);
    // response = receive_from_server(sockfd);
    // printf("%s\n", response);
    // close_connection(sockfd);

    /*
        EX 2.1: Add video
    */

    // TODO Ex 2.1
    // sockfd = open_connection("185.118.200.37", 8081, AF_INET, SOCK_STREAM, 0);
    // message = compute_post_request("185.118.200.37", "/videos", "id=10&name=ZZZZZZZZZZZZZ");
    // printf("%s\n", message);
    // send_to_server (sockfd, message);
    // response = receive_from_server(sockfd);
    // printf("%s\n", response);
    // close_connection(sockfd);

    /*
        Ex 2.2 Verificam noua colectie de videoclipuri
    */

    // TODO Ex 2.2

    // sockfd = open_connection("185.118.200.37", 8081, AF_INET, SOCK_STREAM, 0);
    // message = compute_get_request("185.118.200.37", "/videos", NULL);
    // send_to_server (sockfd, message);
    // response = receive_from_server(sockfd);
    // printf("%s\n", response);
    // close_connection(sockfd);

    /*
        Ex 3 Autentificare
    */

    sockfd = open_connection("185.118.200.37", 8081, AF_INET, SOCK_STREAM, 0);
    message = compute_post_request("185.118.200.37", "/weather/login", "username=admin&password=p@ss");
    send_to_server (sockfd, message);
    response = receive_from_server(sockfd);
    printf("%s\n", response);
    close_connection(sockfd);

    sockfd = open_connection("185.118.200.37", 8081, AF_INET, SOCK_STREAM, 0);
    message = compute_get_request("185.118.200.37", "/weather/key", NULL);
    send_to_server (sockfd, message);
    response = receive_from_server(sockfd);
    printf("%s\n", response);
    close_connection(sockfd);

    sockfd = open_connection("37.139.20.5", 80, AF_INET, SOCK_STREAM, 0);
    message = compute_get_request("37.139.20.5", "/data/2.5/weather", "q=bucharest&APPID=80f21fc11662726c0c3c8c5512d89b3a");
    send_to_server (sockfd, message);
    response = receive_from_server(sockfd);
    printf("%s\n", response);
    close_connection(sockfd);

    // TODO Ex 3

    free(message);
    return 0;
}




//REQUEST


#include <stdlib.h>     /* exit, atoi, malloc, free */
#include <stdio.h>
#include <unistd.h>     /* read, write, close */
#include <string.h>     /* memcpy, memset */
#include <sys/socket.h> /* socket, connect */
#include <netinet/in.h> /* struct sockaddr_in, struct sockaddr */
#include <netdb.h>      /* struct hostent, gethostbyname */
#include <arpa/inet.h>
#include "helpers.h"
#include "requests.h"

char *compute_get_request(char *host, char *url, char *url_params)
{
    char *message = calloc(BUFLEN, sizeof(char));
    char *line = calloc(LINELEN, sizeof(char));
    /*
        PAS 1: Scriem numele metodei, calea, parametri din url (daca exista) si tipul protocolului
    */
    if (url_params != NULL)
    {
        sprintf(line, "GET %s?%s HTTP/1.1", url, url_params);
    }
    else
    {
        sprintf(line, "GET %s HTTP/1.1", url);
    }
    compute_message(message, line);

    /*
        PAS 2: Adaugam host-ul
    */

    // TODO Ex 0
    sprintf(line, "HOST: %s", host);
    compute_message(message, line);

    /*
        PAS 3 (optional): Adaugam headere si/ sau cookies, respectand forma protocolului
    */
    // TODO BONUS COOKIE

    sprintf(line, "Cookie: isLogged=true");
    compute_message(message, line);
    /*
        PAS 4: Adaugam linia de final
    */
    strcat(message, "\r\n");
    //TODO Ex 0
    return message;
}
char *compute_post_request(char *host, char *url, char *form_data)
{

    char *message = calloc(BUFLEN, sizeof(char));
    char *line = calloc(LINELEN, sizeof(char));
    /*
        PAS 1: Scriem numele metodei, calea si tipul protocolului
    */
    sprintf(line, "POST %s HTTP/1.1", url);
    compute_message(message, line);
    // TODO Ex 2

    /*
        PAS 2: Adaugam host-ul
    */

    // TODO Ex 2
    sprintf(line, "HOST: %s", host);
    compute_message(message, line);
    /*
        PAS 3: Adaugam headere si/ sau cookies, respectand forma protocolului
        ATENTIE!! Headerele Content-Type si Content-Length sunt obligatorii
    */
    //form data
    // TODO Ex 2
    sprintf(line, "Content-length: %ld", strlen(form_data));
    compute_message(message, line);

    sprintf(line, "Content-type: application/x-www-form-urlencoded");
    compute_message(message, line);
    /*
        PAS 4: Adaugam linia de final de antent
    */
    strcat(message, "\r\n");
    // TODO Ex 2

    /*
        PAS 5: Adaugam data
    */
    compute_message(message, form_data);
    // TODO Ex 2
    return message;
}