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#ifndef MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_
#define MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_

#include <cstdint>

#include "converter/segments.h"
#include "dictionary/dictionary_interface.h"
#include "dictionary/pos_matcher.h"
#include "request/conversion_request.h"
#include "rewriter/rewriter_interface.h"

namespace mozc {

class LanguageAwareRewriter : public RewriterInterface {
 public:
  LanguageAwareRewriter(const dictionary::PosMatcher& pos_matcher,
                        const dictionary::DictionaryInterface& dictionary);
  LanguageAwareRewriter(const LanguageAwareRewriter&) = delete;
  LanguageAwareRewriter& operator=(const LanguageAwareRewriter&) = delete;
  ~LanguageAwareRewriter() override;

  int capability(const ConversionRequest& request) const override;

  bool Rewrite(const ConversionRequest& request,
               Segments* segments) const override;

 private:
  // Fills the raw text if the query does not look like Japanese.
  bool FillRawText(const ConversionRequest& request, Segments* segments) const;

  const uint16_t unknown_id_;
  const dictionary::DictionaryInterface* dictionary_;
};

}  // namespace mozc

#endif  // MOZC_REWRITER_LANGUAGE_AWARE_REWRITER_H_
