/*
 * Copyright (c) 2002, 2024, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by
 * the Free Software Foundation.
 *
 * This program is designed to work with certain software that is licensed under separate terms, as designated in a particular file or component or in
 * included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the
 * separately licensed software that they have either included with the program or referenced in the documentation.
 *
 * Without limiting anything contained in the foregoing, this file, which is part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

package documentation;

import java.lang.reflect.Field;
import java.util.Map;
import java.util.TreeMap;

import com.mysql.cj.exceptions.MysqlErrorNumbers;

/**
 * Creates XML file describing mapping of MySQL error #'s to SQL92 and X/Open states.
 */
public class ErrorMappingsDocGenerator {

    public static void main(String[] args) throws Exception {
        dumpSqlStatesMappingsAsXml();
    }

    public static void dumpSqlStatesMappingsAsXml() throws Exception {
        Map<Integer, String> mysqlErrors = new TreeMap<>();

        // Create a list of all MySQL error numbers.
        Field[] allFields = MysqlErrorNumbers.class.getDeclaredFields();
        for (Field f : allFields) {
            if (f.getName().startsWith("ER_") || f.getName().startsWith("WARN_")) {
                mysqlErrors.put((Integer) f.get(null), f.getName());
            }
        }

        // Generate documentation tags for each error mapping.
        System.out.printf("<ErrorMappings>%n");
        for (Integer error : mysqlErrors.keySet()) {
            String sqlstate = MysqlErrorNumbers.mysqlToSqlstate(error);
            System.out.printf("   <ErrorMapping mysqlErrorNumber=\"%d\" mysqlErrorName=\"%s\" legacySqlState=\"\" sql92SqlState=\"%s\"/>%n", error,
                    mysqlErrors.get(error), sqlstate);
        }
        System.out.printf("</ErrorMappings>%n");
    }

}
