/*
 * Copyright 2014 Andrew Eikum for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include <stdarg.h>

#define COBJMACROS
#include "initguid.h"
#include "windef.h"
#include "winbase.h"
#include "ole2.h"
#include "rpcproxy.h"
#include "wine/debug.h"

#include "packager_classes.h"

WINE_DEFAULT_DEBUG_CHANNEL(packager);

static HINSTANCE g_instance;

struct Package {
    IOleObject IOleObject_iface;

    LONG ref;
};

static inline struct Package *impl_from_IOleObject(IOleObject *iface)
{
    return CONTAINING_RECORD(iface, struct Package, IOleObject_iface);
}

static HRESULT WINAPI OleObject_QueryInterface(IOleObject *iface, REFIID riid, void **obj)
{
    struct Package *This = impl_from_IOleObject(iface);

    if(IsEqualGUID(riid, &IID_IUnknown) ||
            IsEqualGUID(riid, &IID_IOleObject)) {
        TRACE("(%p)->(IID_IOleObject, %p)\n", This, obj);
        *obj = &This->IOleObject_iface;
    }else {
        FIXME("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
        *obj = NULL;
        return E_NOINTERFACE;
    }

    IUnknown_AddRef((IUnknown*)*obj);
    return S_OK;
}

static ULONG WINAPI OleObject_AddRef(IOleObject *iface)
{
    struct Package *This = impl_from_IOleObject(iface);
    LONG ref = InterlockedIncrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    return ref;
}

static ULONG WINAPI OleObject_Release(IOleObject *iface)
{
    struct Package *This = impl_from_IOleObject(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref)
        HeapFree(GetProcessHeap(), 0, This);

    return ref;
}

static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, IOleClientSite *pClientSite)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, pClientSite);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetClientSite(IOleObject *iface, IOleClientSite **ppClientSite)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, ppClientSite);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_SetHostNames(IOleObject *iface, LPCOLESTR szContainerApp, LPCOLESTR szContainerObj)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%s, %s)\n", This, debugstr_w(szContainerApp), debugstr_w(szContainerObj));
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Close(IOleObject *iface, DWORD dwSaveOption)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(0x%x)\n", This, dwSaveOption);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_SetMoniker(IOleObject *iface, DWORD dwWhichMoniker, IMoniker *pmk)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwWhichMoniker, pmk);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetMoniker(IOleObject *iface, DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %d, %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_InitFromData(IOleObject *iface, IDataObject *pDataObject, BOOL fCreation,
                                        DWORD dwReserved)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p, 0x%x, %d)\n", This, pDataObject, fCreation, dwReserved);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetClipboardData(IOleObject *iface, DWORD dwReserved, IDataObject **ppDataObject)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwReserved, ppDataObject);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_DoVerb(IOleObject *iface, LONG iVerb, LPMSG lpmsg, IOleClientSite *pActiveSite,
                                        LONG lindex, HWND hwndParent, LPCRECT lprcPosRect)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d)\n", This, iVerb);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_EnumVerbs(IOleObject *iface, IEnumOLEVERB **ppEnumOleVerb)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, ppEnumOleVerb);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Update(IOleObject *iface)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_IsUpToDate(IOleObject *iface)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetUserClassID(IOleObject *iface, CLSID *pClsid)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, pClsid);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetUserType(IOleObject *iface, DWORD dwFormOfType, LPOLESTR *pszUserType)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwFormOfType, pszUserType);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_SetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwDrawAspect, psizel);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwDrawAspect, psizel);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Advise(IOleObject *iface, IAdviseSink *pAdvSink, DWORD *pdwConnection)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p, %p)\n", This, pAdvSink, pdwConnection);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Unadvise(IOleObject *iface, DWORD dwConnection)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d)\n", This, dwConnection);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_EnumAdvise(IOleObject *iface, IEnumSTATDATA **ppenumAdvise)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, ppenumAdvise);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetMiscStatus(IOleObject *iface, DWORD dwAspect, DWORD *pdwStatus)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%d, %p)\n", This, dwAspect, pdwStatus);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_SetColorScheme(IOleObject *iface, LOGPALETTE *pLogpal)
{
    struct Package *This = impl_from_IOleObject(iface);
    FIXME("(%p)->(%p)\n", This, pLogpal);
    return E_NOTIMPL;
}

static const IOleObjectVtbl OleObject_Vtbl = {
    OleObject_QueryInterface,
    OleObject_AddRef,
    OleObject_Release,
    OleObject_SetClientSite,
    OleObject_GetClientSite,
    OleObject_SetHostNames,
    OleObject_Close,
    OleObject_SetMoniker,
    OleObject_GetMoniker,
    OleObject_InitFromData,
    OleObject_GetClipboardData,
    OleObject_DoVerb,
    OleObject_EnumVerbs,
    OleObject_Update,
    OleObject_IsUpToDate,
    OleObject_GetUserClassID,
    OleObject_GetUserType,
    OleObject_SetExtent,
    OleObject_GetExtent,
    OleObject_Advise,
    OleObject_Unadvise,
    OleObject_EnumAdvise,
    OleObject_GetMiscStatus,
    OleObject_SetColorScheme
};

static HRESULT WINAPI PackageCF_QueryInterface(IClassFactory *iface, REFIID riid, void **obj)
{
    TRACE("(static)->(%s, %p)\n", debugstr_guid(riid), obj);

    if(IsEqualGUID(&IID_IUnknown, riid) ||
            IsEqualGUID(&IID_IClassFactory, riid))
        *obj = iface;
    else
        *obj = NULL;

    if(*obj){
        IUnknown_AddRef((IUnknown*)*obj);
        return S_OK;
    }

    FIXME("Unknown interface: %s\n", debugstr_guid(riid));
    return E_NOINTERFACE;
}

static ULONG WINAPI PackageCF_AddRef(IClassFactory *iface)
{
    TRACE("(static)\n");
    return 2;
}

static ULONG WINAPI PackageCF_Release(IClassFactory *iface)
{
    TRACE("(static)\n");
    return 1;
}

static HRESULT WINAPI PackageCF_CreateInstance(IClassFactory *iface, IUnknown *outer,
        REFIID iid, void **obj)
{
    struct Package *package;

    TRACE("(static)->(%p, %s, %p)\n", outer, wine_dbgstr_guid(iid), obj);

    package = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*package));
    if(!package)
        return E_OUTOFMEMORY;

    package->IOleObject_iface.lpVtbl = &OleObject_Vtbl;

    return IOleObject_QueryInterface(&package->IOleObject_iface, iid, obj);
}

static HRESULT WINAPI PackageCF_LockServer(IClassFactory *iface, BOOL fLock)
{
    TRACE("(%p)->(%x)\n", iface, fLock);
    return S_OK;
}

static const IClassFactoryVtbl PackageCF_Vtbl = {
    PackageCF_QueryInterface,
    PackageCF_AddRef,
    PackageCF_Release,
    PackageCF_CreateInstance,
    PackageCF_LockServer
};

static IClassFactory PackageCF = {
    &PackageCF_Vtbl
};

HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **obj)
{
    TRACE("(%s, %s, %p)\n", wine_dbgstr_guid(clsid), wine_dbgstr_guid(iid), obj);

    if(IsEqualGUID(clsid, &CLSID_Package))
        return IClassFactory_QueryInterface(&PackageCF, iid, obj);

    FIXME("Unknown CLSID: %s\n", wine_dbgstr_guid(clsid));

    return CLASS_E_CLASSNOTAVAILABLE;
}

HRESULT WINAPI DllCanUnloadNow(void)
{
    return S_OK;
}

HRESULT WINAPI DllRegisterServer(void)
{
    return __wine_register_resources(g_instance);
}

HRESULT WINAPI DllUnregisterServer(void)
{
    return __wine_unregister_resources(g_instance);
}

BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
{
    TRACE("(%p, %u, %p)\n", instance, reason, reserved);

    switch(reason){
        case DLL_PROCESS_ATTACH:
            g_instance = instance;
            DisableThreadLibraryCalls(instance);
            break;
    }

    return TRUE;
}