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#ifndef MOZC_DICTIONARY_USER_DICTIONARY_STUB_H_
#define MOZC_DICTIONARY_USER_DICTIONARY_STUB_H_

#include "dictionary/dictionary_interface.h"
#include "absl/strings/string_view.h"

namespace mozc {
namespace dictionary {

class UserDictionaryStub : public DictionaryInterface {
 public:
  bool HasKey(absl::string_view key) const override { return false; }
  bool HasValue(absl::string_view value) const override { return false; }

  void LookupPredictive(absl::string_view key,
                        const ConversionRequest &conversion_request,
                        Callback *callback) const override {}

  void LookupPrefix(absl::string_view key,
                    const ConversionRequest &conversion_request,
                    Callback *callback) const override {}

  void LookupExact(absl::string_view key,
                   const ConversionRequest &conversion_request,
                   Callback *callback) const override {}

  void LookupReverse(absl::string_view str,
                     const ConversionRequest &conversion_request,
                     Callback *callback) const override {}

  bool LookupComment(absl::string_view key, absl::string_view value,
                     const ConversionRequest &conversion_request,
                     std::string *comment) const override {
    if (key == "comment" || value == "comment") {
      comment->assign("UserDictionaryStub");
      return true;
    }
    return false;
  }
};

}  // namespace dictionary
}  // namespace mozc

#endif  // MOZC_DICTIONARY_USER_DICTIONARY_STUB_H_