/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://www.qt.io/licensing.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/


#include "mockipclient.h"
#include "mockipcserver.h"

#include <ipcclientproxy.h>
#include <ipcserverproxy.h>
#include <projectpartsdonotexistmessage.h>

#include <cmbalivemessage.h>
#include <cmbcodecompletedmessage.h>
#include <cmbmessages.h>
#include <cmbcompletecodemessage.h>
#include <cmbechomessage.h>
#include <cmbendmessage.h>
#include <cmbregisterprojectsforcodecompletionmessage.h>
#include <cmbregistertranslationunitsforcodecompletionmessage.h>
#include <cmbunregisterprojectsforcodecompletionmessage.h>
#include <cmbunregistertranslationunitsforcodecompletionmessage.h>
#include <diagnosticschangedmessage.h>
#include <requestdiagnosticsmessage.h>
#include <readmessageblock.h>
#include <translationunitdoesnotexistmessage.h>
#include <writemessageblock.h>

#include <QBuffer>
#include <QString>
#include <QVariant>

#include <vector>

#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include <gtest/gtest.h>
#include "gtest-qt-printing.h"

using namespace ClangBackEnd;

namespace {

using ::testing::Args;
using ::testing::Property;
using ::testing::Eq;

class ClientServerInProcess : public ::testing::Test
{
protected:
    ClientServerInProcess();

    void SetUp();
    void TearDown();


    void scheduleServerMessages();
    void scheduleClientMessages();

    QBuffer buffer;
    MockIpcClient mockIpcClient;
    MockIpcServer mockIpcServer;

    ClangBackEnd::IpcServerProxy serverProxy;
    ClangBackEnd::IpcClientProxy clientProxy;
};

TEST_F(ClientServerInProcess, SendEndMessage)
{
    EXPECT_CALL(mockIpcServer, end())
        .Times(1);

    serverProxy.end();
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendAliveMessage)
{
    EXPECT_CALL(mockIpcClient, alive())
        .Times(1);

    clientProxy.alive();
    scheduleClientMessages();
}

TEST_F(ClientServerInProcess, SendRegisterTranslationUnitForCodeCompletionMessage)
{
    ClangBackEnd::FileContainer fileContainer(Utf8StringLiteral(TESTDATA_DIR"/complete_extractor_function.cpp"),
                                                  Utf8StringLiteral("projectId"));
    ClangBackEnd::RegisterTranslationUnitForCodeCompletionMessage message({fileContainer});

    EXPECT_CALL(mockIpcServer, registerTranslationUnitsForCodeCompletion(message))
        .Times(1);

    serverProxy.registerTranslationUnitsForCodeCompletion(message);
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendUnregisterTranslationUnitsForCodeCompletionMessage)
{
    ClangBackEnd::FileContainer fileContainer(Utf8StringLiteral("foo.cpp"), Utf8StringLiteral("projectId"));
    ClangBackEnd::UnregisterTranslationUnitsForCodeCompletionMessage message({fileContainer});

    EXPECT_CALL(mockIpcServer, unregisterTranslationUnitsForCodeCompletion(message))
        .Times(1);

    serverProxy.unregisterTranslationUnitsForCodeCompletion(message);
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendCompleteCodeMessage)
{
    ClangBackEnd::CompleteCodeMessage message(Utf8StringLiteral("foo.cpp"), 24, 33, Utf8StringLiteral("do what I want"));

    EXPECT_CALL(mockIpcServer, completeCode(message))
        .Times(1);

    serverProxy.completeCode(message);
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendRequestDiagnosticsMessage)
{
    ClangBackEnd::RequestDiagnosticsMessage message({Utf8StringLiteral("foo.cpp"),
                                                     Utf8StringLiteral("projectId")},
                                                    1);

    EXPECT_CALL(mockIpcServer, requestDiagnostics(message))
        .Times(1);

    serverProxy.requestDiagnostics(message);
    scheduleServerMessages();
}


TEST_F(ClientServerInProcess, SendCodeCompletedMessage)
{
    ClangBackEnd::CodeCompletions codeCompletions({Utf8StringLiteral("newFunction()")});
    ClangBackEnd::CodeCompletedMessage message(codeCompletions, 1);

    EXPECT_CALL(mockIpcClient, codeCompleted(message))
        .Times(1);

    clientProxy.codeCompleted(message);
    scheduleClientMessages();
}

TEST_F(ClientServerInProcess, SendRegisterProjectPartsForCodeCompletionMessage)
{
    ClangBackEnd::ProjectPartContainer projectContainer(Utf8StringLiteral(TESTDATA_DIR"/complete.pro"));
    ClangBackEnd::RegisterProjectPartsForCodeCompletionMessage message({projectContainer});

    EXPECT_CALL(mockIpcServer, registerProjectPartsForCodeCompletion(message))
        .Times(1);

    serverProxy.registerProjectPartsForCodeCompletion(message);
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendUnregisterProjectPartsForCodeCompletionMessage)
{
    ClangBackEnd::UnregisterProjectPartsForCodeCompletionMessage message({Utf8StringLiteral(TESTDATA_DIR"/complete.pro")});

    EXPECT_CALL(mockIpcServer, unregisterProjectPartsForCodeCompletion(message))
        .Times(1);

    serverProxy.unregisterProjectPartsForCodeCompletion(message);
    scheduleServerMessages();
}

TEST_F(ClientServerInProcess, SendTranslationUnitDoesNotExistMessage)
{
    ClangBackEnd::FileContainer fileContainer(Utf8StringLiteral(TESTDATA_DIR"/complete_extractor_function.cpp"),
                                                  Utf8StringLiteral("projectId"));
    ClangBackEnd::TranslationUnitDoesNotExistMessage message(fileContainer);

    EXPECT_CALL(mockIpcClient, translationUnitDoesNotExist(message))
        .Times(1);

    clientProxy.translationUnitDoesNotExist(message);
    scheduleClientMessages();
}


TEST_F(ClientServerInProcess, SendProjectPartDoesNotExistMessage)
{
    ClangBackEnd::ProjectPartsDoNotExistMessage message({Utf8StringLiteral("projectId")});

    EXPECT_CALL(mockIpcClient, projectPartsDoNotExist(message))
        .Times(1);

    clientProxy.projectPartsDoNotExist(message);
    scheduleClientMessages();
}

TEST_F(ClientServerInProcess, SendDiagnosticsChangedMessage)
{
    ClangBackEnd::FileContainer fileContainer(Utf8StringLiteral("foo.cpp"),
                                              Utf8StringLiteral("projectId"));
    ClangBackEnd::DiagnosticContainer container(Utf8StringLiteral("don't do that"),
                                                Utf8StringLiteral("warning"),
                                                {Utf8StringLiteral("-Wpadded"), Utf8StringLiteral("-Wno-padded")},
                                                ClangBackEnd::DiagnosticSeverity::Warning,
                                                {Utf8StringLiteral("foo.cpp"), 20u, 103u},
                                                {{{Utf8StringLiteral("foo.cpp"), 20u, 103u}, {Utf8StringLiteral("foo.cpp"), 20u, 110u}}},
                                                {},
                                                {});
    ClangBackEnd::DiagnosticsChangedMessage message(fileContainer,
                                                    {container},
                                                    1);

    EXPECT_CALL(mockIpcClient, diagnosticsChanged(message))
        .Times(1);

    clientProxy.diagnosticsChanged(message);
    scheduleClientMessages();
}

ClientServerInProcess::ClientServerInProcess()
    : serverProxy(&mockIpcClient, &buffer),
      clientProxy(&mockIpcServer, &buffer)
{
}

void ClientServerInProcess::SetUp()
{
    buffer.open(QIODevice::ReadWrite);
}

void ClientServerInProcess::TearDown()
{
    buffer.close();
}

void ClientServerInProcess::scheduleServerMessages()
{
    buffer.seek(0);
    clientProxy.readMessages();
    buffer.buffer().clear();
}

void ClientServerInProcess::scheduleClientMessages()
{
    buffer.seek(0);
    serverProxy.readMessages();
    buffer.buffer().clear();
}

}