/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.ignite.internal.processors.query;

import java.sql.SQLException;
import org.apache.ignite.IgniteException;
import org.apache.ignite.internal.processors.cache.query.IgniteQueryErrorCode;
import org.jetbrains.annotations.Nullable;

import static org.apache.ignite.internal.processors.cache.query.IgniteQueryErrorCode.UNKNOWN;
import static org.apache.ignite.internal.processors.cache.query.IgniteQueryErrorCode.codeToSqlState;

/**
 * Specific exception bearing information about query processing errors for more detailed
 * errors in JDBC driver.
 *
 * @see IgniteQueryErrorCode
 */
public class IgniteSQLException extends IgniteException {
    /** */
    private static final long serialVersionUID = 0L;

    /** State to return as {@link SQLException#getSQLState()} */
    private final String sqlState;

    /** Code to return as {@link SQLException#getErrorCode()} */
    private final int statusCode;

    /**
     * Constructor.
     *
     * @param msg Exception message.
     */
    public IgniteSQLException(String msg) {
        this(msg, UNKNOWN, (String)null);
    }

    /**
     * Constructor.
     *
     * @param cause Cause to throw this exception.
     */
    public IgniteSQLException(SQLException cause) {
        super(cause);

        this.sqlState = cause.getSQLState();
        this.statusCode = UNKNOWN;
    }

    /**
     * Constructor.
     *
     * @param msg Exception message.
     * @param cause Cause to throw this exception.
     */
    public IgniteSQLException(String msg, @Nullable Throwable cause) {
        this(msg, UNKNOWN, cause);
    }

    /**
     * Constructor.
     *
     * @param msg Exception message.
     * @param statusCode Ignite specific error code.
     * @param cause Cause to throw this exception.
     * @see IgniteQueryErrorCode
     */
    public IgniteSQLException(String msg, int statusCode, @Nullable Throwable cause) {
        this(msg, statusCode, codeToSqlState(statusCode), cause);
    }

    /**
     * Constructor.
     * @param msg Exception message.
     * @param statusCode Ignite specific error code.
     * @see IgniteQueryErrorCode
     */
    public IgniteSQLException(String msg, int statusCode) {
        this(msg, statusCode, codeToSqlState(statusCode));
    }

    /**
     * Constructor.
     * @param msg Exception message.
     * @param statusCode Ignite specific error code.
     * @param sqlState SQLSTATE standard code.
     * @see IgniteQueryErrorCode
     */
    public IgniteSQLException(String msg, int statusCode, String sqlState) {
        this(msg, statusCode, sqlState, null);
    }

    /**
     * Constructor.
     * @param msg Exception message.
     * @param statusCode Ignite specific error code.
     * @param sqlState SQLSTATE standard code.
     * @param cause Cause to throw this exception.
     * @see IgniteQueryErrorCode
     */
    private IgniteSQLException(String msg, int statusCode, String sqlState, @Nullable Throwable cause) {
        super(msg, cause);

        this.sqlState = sqlState;
        this.statusCode = statusCode;
    }

    /**
     * @return Ignite SQL error code.
     */
    public int statusCode() {
        return statusCode;
    }

    /**
     * {@link SQLException#SQLState} getter.
     *
     * @return {@link SQLException#SQLState}.
     */
    public String sqlState() {
        return sqlState;
    }

    /**
     * @return JDBC exception containing details from this instance.
     */
    public SQLException toJdbcException() {
        return new SQLException(getMessage(), sqlState, statusCode, this);
    }
}