package org.geoserver.config.hib.types;

import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;

import java.util.logging.Logger;

import org.geoserver.wfs.GMLInfo;
import org.geoserver.wfs.GMLInfoImpl;
import org.geotools.util.Utilities;
import org.geotools.util.logging.Logging;
import org.hibernate.HibernateException;
import org.hibernate.usertype.UserType;

/**
 * Hibernate user type for {@link GMLInfo}.
 */
public class GMLInfoType implements UserType {

    private static final Logger LOGGER = Logging.getLogger(GMLInfoType.class);

    public Object assemble(Serializable cached, Object owner) throws HibernateException {
        return cached;
    }

    public Object deepCopy(Object value) throws HibernateException {
        return value;
    }

    public Serializable disassemble(Object value) throws HibernateException {
        return (Serializable) value;
    }

    public boolean equals(Object x, Object y) throws HibernateException {
        return Utilities.equals(x, y);
    }

    public int hashCode(Object x) throws HibernateException {
        return Utilities.deepHashCode(x);
    }

    public boolean isMutable() {
        return false;
    }

    public Object nullSafeGet(ResultSet rs, String[] names, Object owner)
            throws HibernateException, SQLException {

        String srsNameStyle = rs.getString(names[0]);
        GMLInfoImpl gmlInfo = new GMLInfoImpl();
        gmlInfo.setSrsNameStyle(GMLInfo.SrsNameStyle.valueOf(srsNameStyle));
        return gmlInfo;
    }

    public void nullSafeSet(PreparedStatement st, Object value, int index)
            throws HibernateException, SQLException {

        GMLInfoImpl gmlInfo = (GMLInfoImpl)value;

        if (gmlInfo == null) {
            st.setString(index, GMLInfo.SrsNameStyle.NORMAL.name());
        } else {
            st.setString(index, gmlInfo.getSrsNameStyle().name());
        }
    }

    public Object replace(Object original, Object target, Object owner) throws HibernateException {
        return original;
    }

    public Class<?> returnedClass() {
        return GMLInfoImpl.class;
    }

    private static final int[] SQLTYPES = new int[] { Types.VARCHAR};
    public int[] sqlTypes() {
        return SQLTYPES;
    }
}