module enumdev;

private import std.stdio;
private import std.c.stdlib;

private import win32.windows;

private import upnp;
private import util;

int main()
{
    HRESULT     hr;

    //初期化する
    hr=CoInitialize(null);
    if (FAILED(hr))
    {	printf("failed to CoInitialize\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }

    //DeviceFinder を取得する
    IUPnPDeviceFinder deviceFinder;
    hr = CoCreateInstance( &CLSID_UPnPDeviceFinder,
                           null,
                           cast(uint)CLSCTX_SERVER,
                           &IID_IUPnPDeviceFinder,
                           cast(void**)&deviceFinder);
    if (FAILED(hr))
    {	printf("failed to CoCreateInstance\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }
    scope(exit) deviceFinder.Release();


    //ルートデバイスの集合を取得する
    IUPnPDevices devices;
    BSTR type;
    scope(exit) SysFreeString(type);
    type = SysAllocString("upnp:rootdevice"w.dup.ptr);
    if(!type)
    {
        printf("filed to SysAllocString\n");
        return EXIT_FAILURE;
    }
    hr = deviceFinder.FindByType(type, 0,devices);
    if (FAILED(hr))
    {	printf("filed to FindByType\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }
    scope(exit) devices.Release();

    IUnknown unknown;
    devices._NewEnum(unknown);
    if (FAILED(hr))
    {	printf("filed to IUPnPDevices._NewEnum\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }
    scope(exit) unknown.Release();

    IEnumUnknown enumUnknown;
    hr = unknown.QueryInterface(cast(GUID*)&IID_IEnumUnknown,cast(void**)&enumUnknown);
    if (FAILED(hr))
    {	printf("filed to QueryInterface\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }
    scope(exit) enumUnknown.Release();

    int deviceCount;
    hr = devices.Count(deviceCount);
    if (FAILED(hr))
    {	printf("filed to IUPnPDevices.Count\n");
        printf("hr = %x\n",hr);
        return EXIT_FAILURE;
    }

    for(int i = 0;i<deviceCount;i++)
    {
        IUPnPDevice device;
        hr = enumUnknown.Next(1,&device,null);
        if (FAILED(hr))
        {
            printf("filed to IUPnPDevices.Next\n");
            printf("hr = %x\n",hr);
            return EXIT_FAILURE;
        }
        scope(exit) device.Release();
        BSTR friendlyName;
        hr = device.FriendlyName(friendlyName);
        if (FAILED(hr))
        {
            printf("filed to IUPnPDevice.FrendlyName\n");
            printf("hr = %x\n",hr);
            return EXIT_FAILURE;
        }
        scope(exit) SysFreeString(friendlyName);
        writefln("%s", toString(friendlyName));
    }

    return EXIT_SUCCESS;
}