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#include "gtest/gtest.h"
#include "gmock/gmock-matchers.h"
#include "gmock/gmock.h"

#include <QBuffer>
#include <QProcess>
#include <QSignalSpy>
#include <QString>
#include <QVariant>

#include <vector>

#include "gtest-qt-printing.h"

#include <cmbendcommand.h>
#include <cmbalivecommand.h>
#include <cmbcommands.h>
#include <cmbechocommand.h>
#include <cmbregistertranslationunitsforcodecompletioncommand.h>
#include <cmbunregistertranslationunitsforcodecompletioncommand.h>
#include <cmbregisterprojectsforcodecompletioncommand.h>
#include <cmbunregisterprojectsforcodecompletioncommand.h>
#include <cmbcodecompletedcommand.h>
#include <cmbcompletecodecommand.h>
#include <writecommandblock.h>
#include <readcommandblock.h>
#include <connectionclient.h>
#include <translationunitdoesnotexistcommand.h>
#include <projectpartsdonotexistcommand.h>

#include <mockipclient.h>

#ifdef Q_OS_WIN
#define QTC_HOST_EXE_SUFFIX L".exe"
#else
#define QTC_HOST_EXE_SUFFIX ""
#endif

using namespace ClangBackEnd;

using ::testing::Eq;

class ClientServerOutsideProcess : public ::testing::Test
{
protected:
    void SetUp();
    void TearDown();

    static void SetUpTestCase();
    static void TearDownTestCase();

    static MockIpcClient mockIpcClient;
    static ClangBackEnd::ConnectionClient client;
};

MockIpcClient ClientServerOutsideProcess::mockIpcClient;
ClangBackEnd::ConnectionClient ClientServerOutsideProcess::client(&ClientServerOutsideProcess::mockIpcClient);

TEST_F(ClientServerOutsideProcess, RestartProcess)
{
    client.restartProcess();

    ASSERT_TRUE(client.isProcessIsRunning());
    ASSERT_TRUE(client.isConnected());
}

TEST_F(ClientServerOutsideProcess, RestartProcessAfterAliveTimeout)
{
    QSignalSpy clientSpy(&client, SIGNAL(processRestarted()));

    client.setProcessAliveTimerInterval(1);

    ASSERT_TRUE(clientSpy.wait(100000));
}

TEST_F(ClientServerOutsideProcess, RestartProcessAfterTermination)
{
    QSignalSpy clientSpy(&client, SIGNAL(processRestarted()));

    client.processForTestOnly()->kill();

    ASSERT_TRUE(clientSpy.wait(100000));
}

TEST_F(ClientServerOutsideProcess, SendRegisterTranslationUnitForCodeCompletionCommand)
{
    ClangBackEnd::FileContainer fileContainer(Utf8StringLiteral("foo"), Utf8StringLiteral("pathToProjectPart.pro"));
    ClangBackEnd::RegisterTranslationUnitForCodeCompletionCommand registerTranslationUnitForCodeCompletionCommand({fileContainer});
    EchoCommand echoCommand(QVariant::fromValue(registerTranslationUnitForCodeCompletionCommand));

    EXPECT_CALL(mockIpcClient, echo(echoCommand))
            .Times(1);

    client.serverProxy().registerTranslationUnitsForCodeCompletion(registerTranslationUnitForCodeCompletionCommand);
    ASSERT_TRUE(client.waitForEcho());
}

TEST_F(ClientServerOutsideProcess, SendUnregisterTranslationUnitsForCodeCompletionCommand)
{
    FileContainer fileContainer(Utf8StringLiteral("foo.cpp"), Utf8StringLiteral("bar.pro"));
    ClangBackEnd::UnregisterTranslationUnitsForCodeCompletionCommand unregisterTranslationUnitsForCodeCompletionCommand ({fileContainer});
    EchoCommand echoCommand(QVariant::fromValue(unregisterTranslationUnitsForCodeCompletionCommand));

    EXPECT_CALL(mockIpcClient, echo(echoCommand))
            .Times(1);

    client.serverProxy().unregisterTranslationUnitsForCodeCompletion(unregisterTranslationUnitsForCodeCompletionCommand);
    ASSERT_TRUE(client.waitForEcho());
}

TEST_F(ClientServerOutsideProcess, SendCompleteCodeCommand)
{
    CompleteCodeCommand codeCompleteCommand(Utf8StringLiteral("foo.cpp"), 24, 33, Utf8StringLiteral("do what I want"));
    EchoCommand echoCommand(QVariant::fromValue(codeCompleteCommand));

    EXPECT_CALL(mockIpcClient, echo(echoCommand))
            .Times(1);

    client.serverProxy().completeCode(codeCompleteCommand);
    ASSERT_TRUE(client.waitForEcho());
}

TEST_F(ClientServerOutsideProcess, SendRegisterProjectPartsForCodeCompletionCommand)
{
    ClangBackEnd::ProjectPartContainer projectContainer(Utf8StringLiteral(TESTDATA_DIR"/complete.pro"));
    ClangBackEnd::RegisterProjectPartsForCodeCompletionCommand registerProjectPartsForCodeCompletionCommand({projectContainer});
    EchoCommand echoCommand(QVariant::fromValue(registerProjectPartsForCodeCompletionCommand));

    EXPECT_CALL(mockIpcClient, echo(echoCommand))
            .Times(1);

    client.serverProxy().registerProjectPartsForCodeCompletion(registerProjectPartsForCodeCompletionCommand);
    ASSERT_TRUE(client.waitForEcho());
}

TEST_F(ClientServerOutsideProcess, SendUnregisterProjectPartsForCodeCompletionCommand)
{
    ClangBackEnd::UnregisterProjectPartsForCodeCompletionCommand unregisterProjectPartsForCodeCompletionCommand({Utf8StringLiteral(TESTDATA_DIR"/complete.pro")});
    EchoCommand echoCommand(QVariant::fromValue(unregisterProjectPartsForCodeCompletionCommand));

    EXPECT_CALL(mockIpcClient, echo(echoCommand))
            .Times(1);

    client.serverProxy().unregisterProjectPartsForCodeCompletion(unregisterProjectPartsForCodeCompletionCommand);
    ASSERT_TRUE(client.waitForEcho());
}

void ClientServerOutsideProcess::SetUpTestCase()
{
    client.setProcessPath(QStringLiteral(ECHOSERVER QTC_HOST_EXE_SUFFIX));

    ASSERT_TRUE(client.connectToServer());
}

void ClientServerOutsideProcess::TearDownTestCase()
{
    client.finishProcess();
}
void ClientServerOutsideProcess::SetUp()
{
    client.setProcessAliveTimerInterval(1000000);

    ASSERT_TRUE(client.isConnected());
}

void ClientServerOutsideProcess::TearDown()
{
    ASSERT_TRUE(client.isProcessIsRunning());
    ASSERT_TRUE(client.isConnected());
}