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#ifndef MOZC_CONVERTER_QUALITY_REGRESSION_UTIL_H_
#define MOZC_CONVERTER_QUALITY_REGRESSION_UTIL_H_

#include <memory>
#include <string>
#include <vector>

#include "base/port.h"
#include "protocol/config.pb.h"

namespace mozc {
class Segments;
class ConverterInterface;

namespace commands {
class Request;
}  // namespace commands

namespace quality_regression {

class QualityRegressionUtil {
 public:
  // bit fields
  enum Platform {
    DESKTOP = 1,
    OSS = 2,
    MOBILE = 4,
    MOBILE_AMBIGUOUS = 8,
  };

  struct TestItem {
    std::string label;
    std::string key;
    std::string expected_value;
    std::string command;
    int expected_rank;
    double accuracy;
    // Target platform. Can set multiple platform defined in enum |Platform|.
    uint32 platform;
    std::string OutputAsTSV() const;
    bool ParseFromTSV(const std::string &tsv_line);
  };

  explicit QualityRegressionUtil(ConverterInterface *converter);
  virtual ~QualityRegressionUtil();

  // Pase |filename| and save the all test items into |outputs|.
  static bool ParseFile(const std::string &filename,
                        std::vector<TestItem> *outputs);

  bool ConvertAndTest(const TestItem &item, std::string *actual_value);

  void SetRequest(const commands::Request &request);
  void SetConfig(const config::Config &config);
  static std::string GetPlatformString(uint32 platform_bitfiled);

 private:
  ConverterInterface *converter_;
  std::unique_ptr<commands::Request> request_;
  std::unique_ptr<config::Config> config_;
  std::unique_ptr<Segments> segments_;

  DISALLOW_COPY_AND_ASSIGN(QualityRegressionUtil);
};

}  // namespace quality_regression
}  // namespace mozc

#endif  // MOZC_CONVERTER_QUALITY_REGRESSION_UTIL_H_
