package {package_name};

import java.util.HashMap;
import java.util.Map;

public class FakeFeatureFlagsImpl implements FeatureFlags \{
    public FakeFeatureFlagsImpl() \{
        resetAll();
    }

{{ for item in class_elements}}
    @Override
    public boolean {item.method_name}() \{
        return getFlag(Flags.FLAG_{item.flag_name_constant_suffix});
    }
{{ endfor}}
    public void setFlag(String flagName, boolean value) \{
        if (!this.mFlagMap.containsKey(flagName)) \{
            throw new IllegalArgumentException("no such flag " + flagName);
        }
        this.mFlagMap.put(flagName, value);
    }

    public void resetAll() \{
        for (Map.Entry entry : mFlagMap.entrySet()) \{
            entry.setValue(null);
        }
    }

    private boolean getFlag(String flagName) \{
        Boolean value = this.mFlagMap.get(flagName);
        if (value == null) \{
            throw new IllegalArgumentException(flagName + " is not set");
        }
        return value;
    }

    private Map<String, Boolean> mFlagMap = new HashMap<>(
        Map.of(
            {{-for item in class_elements}}
            Flags.FLAG_{item.flag_name_constant_suffix}, false{{ if not @last }},{{ endif }}
            {{ -endfor }}
        )
    );
}