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#ifndef QMLBIND_H
#define QMLBIND_H

#include <qmljs/parser/qmljsastvisitor_p.h>
#include <qmljs/qmljsinterpreter.h>
#include <qmljs/qmljscomponentversion.h>

#include <QtCore/QHash>
#include <QtCore/QStringList>
#include <QtCore/QSharedPointer>
#include <QtCore/QCoreApplication>

namespace QmlJS {

class Link;
class Document;

class QMLJS_EXPORT Bind: protected AST::Visitor
{
    Q_DISABLE_COPY(Bind)
    Q_DECLARE_TR_FUNCTIONS(QmlJS::Bind)

public:
    Bind(Document *doc, QList<DiagnosticMessage> *messages);
    virtual ~Bind();

    QList<Interpreter::ImportInfo> imports() const;

    Interpreter::ObjectValue *idEnvironment() const;
    Interpreter::ObjectValue *rootObjectValue() const;

    Interpreter::ObjectValue *findQmlObject(AST::Node *node) const;
    bool usesQmlPrototype(Interpreter::ObjectValue *prototype,
                          const Interpreter::Context *context) const;

    Interpreter::ObjectValue *findFunctionScope(AST::FunctionDeclaration *node) const;
    bool isGroupedPropertyBinding(AST::Node *node) const;

    static QString toString(AST::UiQualifiedId *qualifiedId, QChar delimiter = QChar('.'));

protected:
    using AST::Visitor::visit;

    void accept(AST::Node *node);

    virtual bool visit(AST::UiProgram *ast);
    virtual bool visit(AST::Program *ast);

    // Ui
    virtual bool visit(AST::UiImport *ast);
    virtual bool visit(AST::UiPublicMember *ast);
    virtual bool visit(AST::UiObjectDefinition *ast);
    virtual bool visit(AST::UiObjectBinding *ast);
    virtual bool visit(AST::UiScriptBinding *ast);
    virtual bool visit(AST::UiArrayBinding *ast);

    // QML/JS
    virtual bool visit(AST::FunctionDeclaration *ast);
    virtual bool visit(AST::VariableDeclaration *ast);

    Interpreter::ObjectValue *switchObjectValue(Interpreter::ObjectValue *newObjectValue);
    Interpreter::ObjectValue *bindObject(AST::UiQualifiedId *qualifiedTypeNameId, AST::UiObjectInitializer *initializer);

    AST::ExpressionNode *expression(AST::UiScriptBinding *ast) const;

private:
    Document *_doc;
    Interpreter::Engine _engine;

    Interpreter::ObjectValue *_currentObjectValue;
    Interpreter::ObjectValue *_idEnvironment;
    Interpreter::ObjectValue *_rootObjectValue;

    QHash<AST::Node *, Interpreter::ObjectValue *> _qmlObjects;
    QSet<AST::Node *> _groupedPropertyBindings;
    QHash<AST::FunctionDeclaration *, Interpreter::ObjectValue *> _functionScopes;
    QStringList _includedScripts;

    QList<Interpreter::ImportInfo> _imports;

    QList<DiagnosticMessage> *_diagnosticMessages;
};

} // end of namespace Qml

#endif // QMLBIND_H