#include <iostream>
#include <sstream>
#include <curl/curl.h>

#define END_POINT "http://twitpic.com/api/upload"
#define EXPECT_ARGS 4

size_t write_data(void *buffer, size_t size, size_t nmemb, void* userp)
{

    std::stringstream strmResponse;
    size_t nReal = size * nmemb;
    strmResponse << std::string((char*)buffer, size*nmemb);
    std::string sLine("");
    while (getline(strmResponse, sLine)) {
        std::cout << sLine.c_str() << std::endl;
    }
    return nReal;
}

int main (int argc, char * const argv[]) {

    int result = 0;
    CURL* hCurl = NULL;
    CURLcode hResult;
    std::string sUser("");
    std::string sPass("");
    std::string sFileName("");
    //Curl for form data
    struct curl_httppost *post = NULL;
    struct curl_httppost *last = NULL;
    try{
        if(argc < EXPECT_ARGS) {
            std::cout << "Usage twitpic_upload twitterUserName twiiterPassword fileName" << std::endl;
            throw false;
        }
        //Get the require params from command line args
        sUser     = argv[1];
        sPass     = argv[2];
        sFileName = argv[3];

        //Initialize curl, just don't let easy_init to do it for you
        curl_global_init(CURL_GLOBAL_ALL);
        //Handle to the curl
        hCurl = curl_easy_init();
        if(NULL == hCurl) {
            throw false;
        }
        //Construct the form
        curl_formadd(&post, &last, CURLFORM_COPYNAME, "username", CURLFORM_COPYCONTENTS, sUser.c_str(), CURLFORM_END);
        curl_formadd(&post, &last, CURLFORM_COPYNAME, "password", CURLFORM_COPYCONTENTS, sPass.c_str(), CURLFORM_END);
        curl_formadd(&post, &last, CURLFORM_COPYNAME, "media", CURLFORM_FILE, sFileName.c_str(), CURLFORM_END);
        //Specify the API Endpoint
        hResult = curl_easy_setopt(hCurl,CURLOPT_URL, END_POINT);
        //Specify the HTTP Method
        hResult = curl_easy_setopt(hCurl, CURLOPT_HTTPPOST, post);
        //Post Away !!!
        hResult = curl_easy_perform(hCurl);
        if(hResult != CURLE_OK){
            std::cout << "Cannot find the twitpic site " << std::endl;
            throw false;
        }
    }
    catch (...) {
        result = -1;
    }
    curl_formfree(post);
    curl_easy_cleanup(hCurl);
    curl_global_cleanup();

    system("PAUSE");
    return result;
}


// Glauco486 twitpic