/*
 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Florent Guillaume
 */

package org.eclipse.ecr.core.storage.sql.testlib;

import java.sql.Connection;
import java.sql.DriverManager;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.ecr.core.storage.sql.RepositoryDescriptor;

/**
 * @author Florent Guillaume
 */
public class DatabaseMySQL extends DatabaseHelper {

    public static DatabaseHelper INSTANCE = new DatabaseMySQL();

    private static final String DEF_URL = "jdbc:mysql://localhost:3306/nuxeojunittests";

    private static final String DEF_USER = "nuxeo";

    private static final String DEF_PASSWORD = "nuxeo";

    private static final String CONTRIB_XML = "OSGI-INF/test-repo-repository-mysql-contrib.xml";

    private static void setProperties() {
        setProperty(URL_PROPERTY, DEF_URL);
        setProperty(USER_PROPERTY, DEF_USER);
        setProperty(PASSWORD_PROPERTY, DEF_PASSWORD);
    }

    @Override
    public void setUp() throws Exception {
        Class.forName("com.mysql.jdbc.Driver");
        setProperties();
        Connection connection = DriverManager.getConnection(
                System.getProperty(URL_PROPERTY),
                System.getProperty(USER_PROPERTY),
                System.getProperty(PASSWORD_PROPERTY));
        doOnAllTables(connection, null, null, "DROP TABLE `%s` CASCADE");
        connection.close();
    }

    @Override
    public String getDeploymentContrib() {
        return CONTRIB_XML;
    }

    @Override
    public RepositoryDescriptor getRepositoryDescriptor() {
        RepositoryDescriptor descriptor = new RepositoryDescriptor();
        descriptor.xaDataSourceName = "com.mysql.jdbc.jdbc2.optional.MysqlXADataSource";
        Map<String, String> properties = new HashMap<String, String>();
        properties.put("URL", System.getProperty(URL_PROPERTY));
        properties.put("User", System.getProperty(USER_PROPERTY));
        properties.put("Password", System.getProperty(PASSWORD_PROPERTY));
        descriptor.properties = properties;
        return descriptor;
    }

    @Override
    public void maybeSleepToNextSecond() {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
        }
    }

    @Override
    public int getRecursiveRemovalDepthLimit() {
        // Stupid MySQL limitations:
        // "Cascading operations may not be nested more than 15 levels deep."
        // "Currently, triggers are not activated by cascaded foreign key
        // actions."
        return 15;
    }

    @Override
    public boolean supportsClustering() {
        return true;
    }

}