#pragma once

#include "codegen_export.h"
#include "XmlReader.h"
#include <QObject>
#include <QSharedPointer>

namespace NGL
{
class INGLLogger;
}

namespace Grantlee
{
class Context;
class Engine;
class TemplateImpl;
using Template = QSharedPointer<TemplateImpl>;
}
namespace CodeGen
{
class StructBuilder;

class GeneratorGrantleeBase : public QObject
{
  Q_OBJECT
public:
  virtual ~GeneratorGrantleeBase();
  virtual bool init(const XmlReader *reader, StructBuilder *structBuilder) = 0;
  bool setTemplate(const QString &templateName, const QString &tmpl);
  QString render() const;
  QString errorString() const;
  bool generateData(const QString &templateName,
                    const QString &outDirectory);

protected:
  explicit GeneratorGrantleeBase(const char *loggerName);

  bool initInternal(const XmlReader *reader, StructBuilder *structBuilder);
  bool readFile(const QString &filename, QString &data) const;
  bool getFilenameFromData(const QString &dataToParse, QString &filename) const;
  void addCustomFunctions(const QVector<CustomServiceFunctionInformation> &customFunctions);
  void exportUsedServices(const XmlReader *reader);
protected:
  Grantlee::Engine *m_engine;
  Grantlee::Context *m_ctx;
  Grantlee::Template m_template;
  StructBuilder *m_structBuilder;
  NGL::INGLLogger &m_logger;
};
}