// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "qmljscodestylepreferences.h"
#include "qmljscodestylepreferencesfactory.h"
#include "qmljstoolsconstants.h"
#include "qmljstoolssettings.h"
#include "qmljstoolstr.h"

#include <texteditor/texteditorsettings.h>
#include <texteditor/tabsettings.h>
#include <texteditor/codestylepool.h>

#include <utils/settingsutils.h>
#include <utils/qtcassert.h>
#include <coreplugin/icore.h>

#include <QSettings>

using namespace TextEditor;

namespace QmlJSTools {

const char idKey[] = "QmlJSGlobal";

static QmlJSCodeStylePreferences *m_globalCodeStyle = nullptr;

QmlJSToolsSettings::QmlJSToolsSettings()
{
    QTC_ASSERT(!m_globalCodeStyle, return);

    // code style factory
    ICodeStylePreferencesFactory *factory = new QmlJSCodeStylePreferencesFactory();
    TextEditorSettings::registerCodeStyleFactory(factory);

    // code style pool
    auto pool = new CodeStylePool(factory, this);
    TextEditorSettings::registerCodeStylePool(Constants::QML_JS_SETTINGS_ID, pool);

    // global code style settings
    m_globalCodeStyle = new QmlJSCodeStylePreferences(this);
    m_globalCodeStyle->setDelegatingPool(pool);
    m_globalCodeStyle->setDisplayName(Tr::tr("Global", "Settings"));
    m_globalCodeStyle->setId(idKey);
    pool->addCodeStyle(m_globalCodeStyle);
    TextEditorSettings::registerCodeStyle(QmlJSTools::Constants::QML_JS_SETTINGS_ID, m_globalCodeStyle);

    // built-in settings
    // Qt style
    auto qtCodeStyle = new QmlJSCodeStylePreferences;
    qtCodeStyle->setId("qt");
    qtCodeStyle->setDisplayName(Tr::tr("Qt"));
    qtCodeStyle->setReadOnly(true);
    TabSettings qtTabSettings;
    qtTabSettings.m_tabPolicy = TabSettings::SpacesOnlyTabPolicy;
    qtTabSettings.m_tabSize = 4;
    qtTabSettings.m_indentSize = 4;
    qtTabSettings.m_continuationAlignBehavior = TabSettings::ContinuationAlignWithIndent;
    qtCodeStyle->setTabSettings(qtTabSettings);
    QmlJSCodeStyleSettings qtQmlJSSetings;
    qtQmlJSSetings.lineLength = 80;
    qtCodeStyle->setCodeStyleSettings(qtQmlJSSetings);
    pool->addCodeStyle(qtCodeStyle);

    // default delegate for global preferences
    m_globalCodeStyle->setCurrentDelegate(qtCodeStyle);

    pool->loadCustomCodeStyles();

    // load global settings (after built-in settings are added to the pool)
    QSettings *s = Core::ICore::settings();
    m_globalCodeStyle->fromSettings(QLatin1String(QmlJSTools::Constants::QML_JS_SETTINGS_ID), s);

    // mimetypes to be handled
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::QML_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::QMLUI_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::QBS_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::QMLPROJECT_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::QMLTYPES_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::JS_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::registerMimeTypeForLanguageId(Constants::JSON_MIMETYPE, Constants::QML_JS_SETTINGS_ID);
}

QmlJSToolsSettings::~QmlJSToolsSettings()
{
    TextEditorSettings::unregisterCodeStyle(QmlJSTools::Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::unregisterCodeStylePool(QmlJSTools::Constants::QML_JS_SETTINGS_ID);
    TextEditorSettings::unregisterCodeStyleFactory(QmlJSTools::Constants::QML_JS_SETTINGS_ID);

    delete m_globalCodeStyle;
    m_globalCodeStyle = nullptr;
}

QmlJSCodeStylePreferences *QmlJSToolsSettings::globalCodeStyle()
{
    return m_globalCodeStyle;
}

} // namespace QmlJSTools