/*
 * Copyright 2008 Jacek Caban 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
 */

#define COBJMACROS
#define CONST_VTABLE

#include <wine/test.h>
#include <stdarg.h>
#include <stdio.h>

#include "windef.h"
#include "winbase.h"
#include "ole2.h"
#include "mshtml.h"
#include "activscp.h"

#define DEFINE_EXPECT(func) \
    static BOOL expect_ ## func = FALSE, called_ ## func = FALSE

#define SET_EXPECT(func) \
    do { called_ ## func = FALSE; expect_ ## func = TRUE; } while(0)

#define CHECK_EXPECT2(func) \
    do { \
        ok(expect_ ##func, "unexpected call " #func "\n"); \
        called_ ## func = TRUE; \
    }while(0)

#define CHECK_EXPECT(func) \
    do { \
        CHECK_EXPECT2(func); \
        expect_ ## func = FALSE; \
    }while(0)

#define CHECK_CALLED(func) \
    do { \
        ok(called_ ## func, "expected " #func "\n"); \
        expect_ ## func = called_ ## func = FALSE; \
    }while(0)

#define CHECK_NOT_CALLED(func) \
    do { \
        ok(!called_ ## func, "unexpected " #func "\n"); \
        expect_ ## func = called_ ## func = FALSE; \
    }while(0)

#define CLEAR_CALLED(func) \
    expect_ ## func = called_ ## func = FALSE


DEFINE_EXPECT(CreateInstance);


#define TESTSCRIPT_CLSID "{178fc163-f585-4e24-9c13-4bb7faf80746}"

static const GUID CLSID_TestScript =
    {0x178fc163,0xf585,0x4e24,{0x9c,0x13,0x4b,0xb7,0xfa,0xf8,0x07,0x46}};

static IHTMLDocument2 *notif_doc;
static BOOL doc_complete;

static const char *debugstr_guid(REFIID riid)
{
    static char buf[50];

    sprintf(buf, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
            riid->Data1, riid->Data2, riid->Data3, riid->Data4[0],
            riid->Data4[1], riid->Data4[2], riid->Data4[3], riid->Data4[4],
            riid->Data4[5], riid->Data4[6], riid->Data4[7]);

    return buf;
}

static HRESULT WINAPI PropertyNotifySink_QueryInterface(IPropertyNotifySink *iface,
        REFIID riid, void**ppv)
{
    if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
        *ppv = iface;
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI PropertyNotifySink_AddRef(IPropertyNotifySink *iface)
{
    return 2;
}

static ULONG WINAPI PropertyNotifySink_Release(IPropertyNotifySink *iface)
{
    return 1;
}

static HRESULT WINAPI PropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
{
    if(dispID == DISPID_READYSTATE){
        BSTR state;
        HRESULT hres;

        static const WCHAR completeW[] = {'c','o','m','p','l','e','t','e',0};

        hres = IHTMLDocument2_get_readyState(notif_doc, &state);
        ok(hres == S_OK, "get_readyState failed: %08x\n", hres);

        if(!lstrcmpW(state, completeW))
            doc_complete = TRUE;

        SysFreeString(state);
    }

    return S_OK;
}

static HRESULT WINAPI PropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
    PropertyNotifySink_QueryInterface,
    PropertyNotifySink_AddRef,
    PropertyNotifySink_Release,
    PropertyNotifySink_OnChanged,
    PropertyNotifySink_OnRequestEdit
};

static IPropertyNotifySink PropertyNotifySink = { &PropertyNotifySinkVtbl };

static IHTMLDocument2 *create_document(void)
{
    IHTMLDocument2 *doc;
    HRESULT hres;

    hres = CoCreateInstance(&CLSID_HTMLDocument, NULL, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
            &IID_IHTMLDocument2, (void**)&doc);
    ok(hres == S_OK, "CoCreateInstance failed: %08x\n", hres);

    return doc;
}

static IHTMLDocument2 *create_doc_with_string(const char *str)
{
    IPersistStreamInit *init;
    IStream *stream;
    IHTMLDocument2 *doc;
    HGLOBAL mem;
    SIZE_T len;

    notif_doc = doc = create_document();
    if(!doc)
        return NULL;

    doc_complete = FALSE;
    len = strlen(str);
    mem = GlobalAlloc(0, len);
    memcpy(mem, str, len);
    CreateStreamOnHGlobal(mem, TRUE, &stream);

    IHTMLDocument2_QueryInterface(doc, &IID_IPersistStreamInit, (void**)&init);

    IPersistStreamInit_Load(init, stream);
    IPersistStreamInit_Release(init);
    IStream_Release(stream);

    return doc;
}

static void do_advise(IUnknown *unk, REFIID riid, IUnknown *unk_advise)
{
    IConnectionPointContainer *container;
    IConnectionPoint *cp;
    DWORD cookie;
    HRESULT hres;

    hres = IUnknown_QueryInterface(unk, &IID_IConnectionPointContainer, (void**)&container);
    ok(hres == S_OK, "QueryInterface(IID_IConnectionPointContainer) failed: %08x\n", hres);

    hres = IConnectionPointContainer_FindConnectionPoint(container, riid, &cp);
    IConnectionPointContainer_Release(container);
    ok(hres == S_OK, "FindConnectionPoint failed: %08x\n", hres);

    hres = IConnectionPoint_Advise(cp, unk_advise, &cookie);
    IConnectionPoint_Release(cp);
    ok(hres == S_OK, "Advise failed: %08x\n", hres);
}

typedef void (*domtest_t)(IHTMLDocument2*);

static IHTMLDocument2 *create_and_load_doc(const char *str)
{
    IHTMLDocument2 *doc;
    IHTMLElement *body = NULL;
    ULONG ref;
    MSG msg;
    HRESULT hres;

    doc = create_doc_with_string(str);
    do_advise((IUnknown*)doc, &IID_IPropertyNotifySink, (IUnknown*)&PropertyNotifySink);

    while(!doc_complete && GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    hres = IHTMLDocument2_get_body(doc, &body);
    ok(hres == S_OK, "get_body failed: %08x\n", hres);

    if(!body) {
        skip("Could not get document body. Assuming no Gecko installed.\n");
        ref = IHTMLDocument2_Release(doc);
        ok(!ref, "ref = %d\n", ref);
        return NULL;
    }

    IHTMLElement_Release(body);
    return doc;
}

static HRESULT WINAPI ActiveScript_QueryInterface(IActiveScript *iface, REFIID riid, void **ppv)
{
    *ppv = NULL;

    if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IActiveScript, riid)) {
        *ppv = iface;
        return S_OK;
    }

    if(IsEqualGUID(&IID_IActiveScriptParse, riid)) {
        /* TODO */
        return E_NOINTERFACE;
    }

    ok(0, "unexpected riid %s\n", debugstr_guid(riid));
    return E_NOINTERFACE;
}

static ULONG WINAPI ActiveScript_AddRef(IActiveScript *iface)
{
    return 2;
}

static ULONG WINAPI ActiveScript_Release(IActiveScript *iface)
{
    return 1;
}

static HRESULT WINAPI ActiveScript_SetScriptSite(IActiveScript *iface, IActiveScriptSite *pass)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetScriptSite(IActiveScript *iface, REFIID riid,
                                            void **ppvObject)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_SetScriptState(IActiveScript *iface, SCRIPTSTATE ss)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetScriptState(IActiveScript *iface, SCRIPTSTATE *pssState)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_Close(IActiveScript *iface)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_AddNamedItem(IActiveScript *iface,
                                           LPCOLESTR pstrName, DWORD dwFlags)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_AddTypeLib(IActiveScript *iface, REFGUID rguidTypeLib,
                                         DWORD dwMajor, DWORD dwMinor, DWORD dwFlags)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetScriptDispatch(IActiveScript *iface, LPCOLESTR pstrItemName,
                                                IDispatch **ppdisp)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetCurrentScriptThreadID(IActiveScript *iface,
                                                       SCRIPTTHREADID *pstridThread)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetScriptThreadID(IActiveScript *iface,
                                                DWORD dwWin32ThreadId, SCRIPTTHREADID *pstidThread)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_GetScriptThreadState(IActiveScript *iface,
        SCRIPTTHREADID stidThread, SCRIPTTHREADSTATE *pstsState)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_InterruptScriptThread(IActiveScript *iface,
        SCRIPTTHREADID stidThread, const EXCEPINFO *pexcepinfo, DWORD dwFlags)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI ActiveScript_Clone(IActiveScript *iface, IActiveScript **ppscript)
{
    ok(0, "unexpected call\n");
    return E_NOTIMPL;
}

static const IActiveScriptVtbl ActiveScriptVtbl = {
    ActiveScript_QueryInterface,
    ActiveScript_AddRef,
    ActiveScript_Release,
    ActiveScript_SetScriptSite,
    ActiveScript_GetScriptSite,
    ActiveScript_SetScriptState,
    ActiveScript_GetScriptState,
    ActiveScript_Close,
    ActiveScript_AddNamedItem,
    ActiveScript_AddTypeLib,
    ActiveScript_GetScriptDispatch,
    ActiveScript_GetCurrentScriptThreadID,
    ActiveScript_GetScriptThreadID,
    ActiveScript_GetScriptThreadState,
    ActiveScript_InterruptScriptThread,
    ActiveScript_Clone
};

static IActiveScript ActiveScript = { &ActiveScriptVtbl };

static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
{
    *ppv = NULL;

    if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid)) {
        *ppv = iface;
        return S_OK;
    }

    if(IsEqualGUID(&IID_IMarshal, riid))
        return E_NOINTERFACE;
    if(IsEqualGUID(&CLSID_IdentityUnmarshal, riid))
        return E_NOINTERFACE;

    ok(0, "unexpected riid %s\n", debugstr_guid(riid));
    return E_NOTIMPL;
}

static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
{
    return 2;
}

static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
{
    return 1;
}

static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **ppv)
{
    CHECK_EXPECT(CreateInstance);

    ok(!outer, "outer = %p\n", outer);
    ok(IsEqualGUID(&IID_IActiveScript, riid), "unexpected riid %s\n", debugstr_guid(riid));
    *ppv = &ActiveScript;
    return S_OK;
}

static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
{
    ok(0, "unexpected call\n");
    return S_OK;
}

static const IClassFactoryVtbl ClassFactoryVtbl = {
    ClassFactory_QueryInterface,
    ClassFactory_AddRef,
    ClassFactory_Release,
    ClassFactory_CreateInstance,
    ClassFactory_LockServer
};

static IClassFactory script_cf = { &ClassFactoryVtbl };

static const char simple_script_str[] =
    "<html><head></head><body>"
    "<script language=\"TestScript\">simple script</script>"
    "</body></html>";

static void test_simple_script(void)
{
    IHTMLDocument2 *doc;

    SET_EXPECT(CreateInstance);

    doc = create_and_load_doc(simple_script_str);
    if(!doc) return;

    CHECK_CALLED(CreateInstance);

    IHTMLDocument2_Release(doc);
}

static BOOL init_key(const char *key_name, const char *def_value, BOOL init)
{
    HKEY hkey;
    DWORD res;

    if(!init) {
        RegDeleteKey(HKEY_CLASSES_ROOT, key_name);
        return TRUE;
    }

    res = RegCreateKeyA(HKEY_CLASSES_ROOT, key_name, &hkey);
    if(res != ERROR_SUCCESS)
        return FALSE;

    if(def_value)
        res = RegSetValueA(hkey, NULL, REG_SZ, def_value, strlen(def_value));

    RegCloseKey(hkey);

    return res == ERROR_SUCCESS;
}

static BOOL init_registry(BOOL init)
{
    return init_key("TestScript\\CLSID", TESTSCRIPT_CLSID, init)
        && init_key("CLSID\\"TESTSCRIPT_CLSID"\\Implemented Categories\\{F0B7A1A1-9847-11CF-8F20-00805F2CD064}",
                    NULL, init)
        && init_key("CLSID\\"TESTSCRIPT_CLSID"\\Implemented Categories\\{F0B7A1A2-9847-11CF-8F20-00805F2CD064}",
                    NULL, init);
}

static BOOL register_script_engine(void)
{
    DWORD regid;
    HRESULT hres;

    if(!init_registry(TRUE)) {
        init_registry(FALSE);
        return FALSE;
    }

    hres = CoRegisterClassObject(&CLSID_TestScript, (IUnknown *)&script_cf,
                                 CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE, &regid);
    ok(hres == S_OK, "Could not register screipt engine: %08x\n", hres);

    return TRUE;
}

static void gecko_installer_workaround(BOOL disable)
{
    HKEY hkey;
    DWORD res;

    static BOOL has_url = FALSE;
    static char url[2048];

    if(!disable && !has_url)
        return;

    res = RegOpenKey(HKEY_CURRENT_USER, "Software\\Wine\\MSHTML", &hkey);
    if(res != ERROR_SUCCESS)
        return;

    if(disable) {
        DWORD type, size = sizeof(url);

        res = RegQueryValueEx(hkey, "GeckoUrl", NULL, &type, (PVOID)url, &size);
        if(res == ERROR_SUCCESS && type == REG_SZ)
            has_url = TRUE;

        RegDeleteValue(hkey, "GeckoUrl");
    }else {
        RegSetValueEx(hkey, "GeckoUrl", 0, REG_SZ, (PVOID)url, lstrlenA(url)+1);
    }

    RegCloseKey(hkey);
}

START_TEST(script)
{
    gecko_installer_workaround(TRUE);
    CoInitialize(NULL);

    if(register_script_engine()) {
        test_simple_script();
        init_registry(FALSE);
    }else {
        skip("Could not register TestScript engine\n");
    }

    CoUninitialize();
    gecko_installer_workaround(FALSE);
}