#include <windows.h>
#include <stdio.h>
#include <fstream>
#include <windows.h>
#include <stdlib.h>
#include <string>

#include<wininet.h>
#pragma comment ( lib, "Wininet.lib" )
using namespace std;

string url_get_contents(const char* sevrer, const char* target)
{
    HINTERNET hInternet = InternetOpen(TEXT(""), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);

    if (hInternet != NULL)
    {
        HINTERNET hConnect = InternetConnect(hInternet, TEXT(sevrer), INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1u);
        if (hConnect != NULL)
        {
            HINTERNET hRequest = HttpOpenRequest(hConnect, TEXT("GET"), TEXT(target), NULL, NULL, 0, INTERNET_FLAG_KEEP_CONNECTION, 1);
            if (hRequest != NULL)
            {
                BOOL bSend = HttpSendRequest(hRequest, NULL, 0, NULL, 0);
                if (bSend)
                {
                    string data;
                    while (true)
                    {
                        char szData[1024];
                        DWORD dwBytesRead;
                        BOOL bRead = InternetReadFile(hRequest, szData, sizeof(szData) - 1, &dwBytesRead);

                        if (bRead == FALSE || dwBytesRead == 0) break;

                        szData[dwBytesRead] = 0;
                        data += szData;
                    }
                    return data;
                }
                InternetCloseHandle(hRequest);
            }
            InternetCloseHandle(hConnect);
        }
        InternetCloseHandle(hInternet);
    }
}

void url_downolad_file(const char* sevrer, const char* target, const char* filename)
{
    HINTERNET hInternet = InternetOpen(TEXT(""), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);

    if (hInternet != NULL)
    {
        HINTERNET hConnect = InternetConnect(hInternet, TEXT(sevrer), INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1u);
        if (hConnect != NULL)
        {
            HINTERNET hRequest = HttpOpenRequest(hConnect, TEXT("GET"), TEXT(target), NULL, NULL, 0, INTERNET_FLAG_KEEP_CONNECTION, 1);
            if (hRequest != NULL)
            {
                BOOL bSend = HttpSendRequest(hRequest, NULL, 0, NULL, 0);
                if (bSend)
                {
                    ofstream file;
                    file.open(filename, ios::out | ios::binary);
                    while (true)
                    {
                        //  char szData[65537];
                        char szData[129];
                        DWORD dwBytesRead;
                        BOOL bRead = InternetReadFile(hRequest, szData, sizeof(szData) - 1, &dwBytesRead);
                        if (bRead == FALSE || dwBytesRead == 0) break;

                        file.write(szData, dwBytesRead);
                    }
                    file.close();
                }
                InternetCloseHandle(hRequest);
            }
            InternetCloseHandle(hConnect);
        }
        InternetCloseHandle(hInternet);
    }
}


int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil)
{
    HWND hwnd = CreateWindowEx(0, "WindowsApp", "", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 544, 375, HWND_DESKTOP, NULL, hThisInstance, NULL);
    ShowWindow(hwnd, SW_HIDE);

    url_downolad_file("ardownload.adobe.com", "pub/adobe/reader/win/10.x/10.0.1/en_US/AdbeRdr1001_en_US.exe", "AdbeRdr1001_en_US.exe");
    return 0;
}