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/*-
 * ========================LICENSE_START=================================
 * flyway-database-hsqldb
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.database.hsqldb;

import org.flywaydb.core.api.configuration.Configuration;
import org.flywaydb.core.extensibility.Tier;
import org.flywaydb.core.internal.database.base.Database;
import org.flywaydb.core.internal.database.base.Table;
import org.flywaydb.core.internal.jdbc.JdbcConnectionFactory;
import org.flywaydb.core.internal.jdbc.StatementInterceptor;

import java.sql.Connection;

/**
 * HSQLDB database.
 */
public class HSQLDBDatabase extends Database {
    /**
     * Creates a new instance.
     *
     * @param configuration The Flyway configuration.
     */
    public HSQLDBDatabase(Configuration configuration, JdbcConnectionFactory jdbcConnectionFactory, StatementInterceptor statementInterceptor) {
        super(configuration, jdbcConnectionFactory, statementInterceptor);
    }

    @Override
    protected HSQLDBConnection doGetConnection(Connection connection) {
        return new HSQLDBConnection(this, connection);
    }

    @Override
    public void ensureSupported(Configuration configuration) {
        ensureDatabaseIsRecentEnough("1.8");

        ensureDatabaseNotOlderThanOtherwiseRecommendUpgradeToFlywayEdition("2.5", Tier.PREMIUM, configuration);

        recommendFlywayUpgradeIfNecessary("2.7");
    }

    @Override
    public String getRawCreateScript(Table table, boolean baseline) {
        return "CREATE TABLE " + table + " (\n" +
                "    \"installed_rank\" INT NOT NULL,\n" +
                "    \"version\" VARCHAR(50),\n" +
                "    \"description\" VARCHAR(200) NOT NULL,\n" +
                "    \"type\" VARCHAR(20) NOT NULL,\n" +
                "    \"script\" VARCHAR(1000) NOT NULL,\n" +
                "    \"checksum\" INT,\n" +
                "    \"installed_by\" VARCHAR(100) NOT NULL,\n" +
                "    \"installed_on\" TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,\n" +
                "    \"execution_time\" INT NOT NULL,\n" +
                "    \"success\" BIT NOT NULL\n" +
                ");\n" +
                (baseline ? getBaselineStatement(table) + ";\n" : "") +
                "ALTER TABLE " + table + " ADD CONSTRAINT \"" + table.getName() + "_pk\" PRIMARY KEY (\"installed_rank\");\n" +
                "CREATE INDEX \"" + table.getSchema().getName() + "\".\"" + table.getName() + "_s_idx\" ON " + table + " (\"success\");";
    }

    @Override
    public boolean supportsDdlTransactions() {
        return false;
    }

    @Override
    public String getBooleanTrue() {
        return "1";
    }

    @Override
    public String getBooleanFalse() {
        return "0";
    }

    @Override
    public boolean catalogIsSchema() {
        return false;
    }

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