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#include "cppquickfixassistant.h"

#include "cppeditorconstants.h"
#include "cppeditor.h"

#include <cpptools/cppmodelmanager.h>
#include <texteditor/textdocument.h>

#include <cplusplus/ASTPath.h>

#include <extensionsystem/pluginmanager.h>
#include <utils/qtcassert.h>

using namespace TextEditor;
using namespace CppTools;
using namespace CPlusPlus;

namespace CppEditor {
namespace Internal {

// -------------------------
// CppQuickFixAssistProvider
// -------------------------
bool CppQuickFixAssistProvider::isAsynchronous() const
{
    return false;
}

bool CppQuickFixAssistProvider::supportsEditor(Core::Id editorId) const
{
    return editorId == Constants::CPPEDITOR_ID;
}

IAssistProcessor *CppQuickFixAssistProvider::createProcessor() const
{
    return new QuickFixAssistProcessor(this);
}

QList<QuickFixFactory *> CppQuickFixAssistProvider::quickFixFactories() const
{
    QList<QuickFixFactory *> results;
    foreach (CppQuickFixFactory *f, ExtensionSystem::PluginManager::getObjects<CppQuickFixFactory>())
        results.append(f);
    return results;
}

// --------------------------
// CppQuickFixAssistInterface
// --------------------------
CppQuickFixInterface::CppQuickFixInterface(CppEditorWidget *editor,
                                                       AssistReason reason)
    : AssistInterface(editor->document(), editor->position(),
                      editor->textDocument()->filePath().toString(), reason)
    , m_editor(editor)
    , m_semanticInfo(editor->semanticInfo())
    , m_snapshot(CppModelManager::instance()->snapshot())
    , m_currentFile(CppRefactoringChanges::file(editor, m_semanticInfo.doc))
    , m_context(m_semanticInfo.doc, m_snapshot)
{
    QTC_CHECK(m_semanticInfo.doc);
    QTC_CHECK(m_semanticInfo.doc->translationUnit());
    QTC_CHECK(m_semanticInfo.doc->translationUnit()->ast());
    ASTPath astPath(m_semanticInfo.doc);
    m_path = astPath(editor->textCursor());
}

const QList<AST *> &CppQuickFixInterface::path() const
{
    return m_path;
}

Snapshot CppQuickFixInterface::snapshot() const
{
    return m_snapshot;
}

SemanticInfo CppQuickFixInterface::semanticInfo() const
{
    return m_semanticInfo;
}

const LookupContext &CppQuickFixInterface::context() const
{
    return m_context;
}

CppEditorWidget *CppQuickFixInterface::editor() const
{
    return m_editor;
}

CppRefactoringFilePtr CppQuickFixInterface::currentFile() const
{
    return m_currentFile;
}

bool CppQuickFixInterface::isCursorOn(unsigned tokenIndex) const
{
    return currentFile()->isCursorOn(tokenIndex);
}

bool CppQuickFixInterface::isCursorOn(const AST *ast) const
{
    return currentFile()->isCursorOn(ast);
}

} // namespace Internal
} // namespace CppEditor
