/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.boot.model.relational;

import java.util.Set;

import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.dialect.Dialect;
import org.hibernate.internal.util.StringHelper;

A simple implementation of AbstractAuxiliaryDatabaseObject in which the CREATE and DROP strings are
provided up front.  Contains simple facilities for templating the catalog and schema
names into the provided strings.

This is the form created when the mapping documents use <create/> and
<drop/>.
Author:
Steve Ebersole/**
 * A simple implementation of AbstractAuxiliaryDatabaseObject in which the CREATE and DROP strings are
 * provided up front.  Contains simple facilities for templating the catalog and schema
 * names into the provided strings.
 * <p/>
 * This is the form created when the mapping documents use &lt;create/&gt; and
 * &lt;drop/&gt;.
 *
 * @author Steve Ebersole
 */
public class SimpleAuxiliaryDatabaseObject extends AbstractAuxiliaryDatabaseObject {
	private static final String CATALOG_NAME_PLACEHOLDER = "${catalog}";
	private static final String SCHEMA_NAME_PLACEHOLDER = "${schema}";

	private final String catalogName;
	private final String schemaName;
	private final String[] createStrings;
	private final String[] dropStrings;

	public SimpleAuxiliaryDatabaseObject(
			Namespace namespace,
			String createString,
			String dropString,
			Set<String> dialectScopes) {
		this(
				namespace,
				new String[] { createString },
				new String[] { dropString },
				dialectScopes
		);
	}

	public SimpleAuxiliaryDatabaseObject(
			Namespace namespace,
			String[] createStrings,
			String[] dropStrings,
			Set<String> dialectScopes) {
		this(
				dialectScopes,
				extractName( namespace.getPhysicalName().getCatalog() ),
				extractName( namespace.getPhysicalName().getSchema() ),
				createStrings,
				dropStrings
		);
	}

	private static String extractName(Identifier identifier) {
		return identifier == null ? null : identifier.getText();
	}

	public SimpleAuxiliaryDatabaseObject(
			Set<String> dialectScopes,
			String catalogName,
			String schemaName,
			String[] createStrings,
			String[] dropStrings) {
		super( dialectScopes );
		this.catalogName = catalogName;
		this.schemaName = schemaName;
		this.createStrings = createStrings;
		this.dropStrings = dropStrings;
	}

	@Override
	public String[] sqlCreateStrings(Dialect dialect) {
		final String[] copy = new String[createStrings.length];
		for ( int i = 0, max =createStrings.length; i<max; i++ ) {
			copy[i] = injectCatalogAndSchema( createStrings[i] );
		}
		return copy;
	}

	@Override
	public String[] sqlDropStrings(Dialect dialect) {
		final String[] copy = new String[dropStrings.length];
		for ( int i = 0, max = dropStrings.length; i<max; i++ ) {
			copy[i] = injectCatalogAndSchema( dropStrings[i] );
		}
		return copy;
	}

	private String injectCatalogAndSchema(String ddlString) {
		String rtn = StringHelper.replace( ddlString, CATALOG_NAME_PLACEHOLDER, catalogName == null ? "" : catalogName );
		rtn = StringHelper.replace( rtn, SCHEMA_NAME_PLACEHOLDER, schemaName == null ? "" : schemaName );
		return rtn;
	}
}