package nl.astraeus.jdbc;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;

/**
 * User: riennentjes
 * Date: Jul 10, 2008
 * Time: 8:12:34 PM
 */
public class ConnectionLogger implements Connection {
    private Connection connection;

    private long milli;
    private long nano;
    private String lastSql;
    private JdbcLogger logger;

    public ConnectionLogger(JdbcLogger logger, Connection connection) {
        this.logger = logger;
        this.connection = connection;
        this.lastSql = "";
    }

    private void clearTime() {
        milli = System.currentTimeMillis();
        nano = System.nanoTime();
    }

    private void log(String sql) throws SQLException {
        long m = System.currentTimeMillis() - milli;
        long n = System.nanoTime() - nano;

        logger.logEntry(QueryType.UNKNOWN, sql, m, n, true); //connection.getAutoCommit());
    }

    public void commit() throws SQLException {
        clearTime();

        connection.commit();

        log("commit");
    }

    public void rollback() throws SQLException {
        clearTime();

        connection.rollback();

        log("rollback");
    }

    public void close() throws SQLException {
        clearTime();

        if (!connection.isClosed()) {
            connection.close();
        }

        log("close");
    }

    public PreparedStatement prepareStatement(String sql) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql);
    }

    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql, resultSetType, resultSetConcurrency);
    }

    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql, autoGeneratedKeys);
    }

    public PreparedStatement prepareStatement(String sql, int columnIndexes[]) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql, columnIndexes);
    }

    public PreparedStatement prepareStatement(String sql, String columnNames[]) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql, columnNames);
    }

    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        lastSql = sql;
        return new PreparedStatementLogger(logger, connection, sql, resultSetType, resultSetConcurrency);
    }

    public Statement createStatement() throws SQLException {
        return new StatementLogger(logger, connection.createStatement());
    }

    public CallableStatement prepareCall(String sql) throws SQLException {
        lastSql = sql;

        return new CallableStatementLogger(logger, connection, sql);
    }

    public String nativeSQL(String sql) throws SQLException {
        lastSql = sql;
        return connection.nativeSQL(sql);
    }

    public void setAutoCommit(boolean autoCommit) throws SQLException {
        connection.setAutoCommit(autoCommit);
    }

    public boolean getAutoCommit() throws SQLException {
        return connection == null || connection.getAutoCommit();
    }

    public boolean isClosed() throws SQLException {
        return connection == null || connection.isClosed();
    }

    public DatabaseMetaData getMetaData() throws SQLException {
        return connection == null ? null : connection.getMetaData();
    }

    public void setReadOnly(boolean readOnly) throws SQLException {
        connection.setReadOnly(readOnly);
    }

    public boolean isReadOnly() throws SQLException {
        return connection.isReadOnly();
    }

    public void setCatalog(String catalog) throws SQLException {
        connection.setCatalog(catalog);
    }

    public String getCatalog() throws SQLException {
        return connection.getCatalog();
    }

    public void setTransactionIsolation(int level) throws SQLException {
        connection.setTransactionIsolation(level);
    }

    public int getTransactionIsolation() throws SQLException {
        return connection.getTransactionIsolation();
    }

    public SQLWarning getWarnings() throws SQLException {
        return connection.getWarnings();
    }

    public void clearWarnings() throws SQLException {
        connection.clearWarnings();
    }

    public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
        return new StatementLogger(logger, connection.createStatement(resultSetType, resultSetConcurrency));
    }

    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        lastSql = sql;

        return new CallableStatementLogger(logger, connection, sql, resultSetType, resultSetConcurrency);
    }

    public Map<String, Class<?>> getTypeMap() throws SQLException {
        return connection.getTypeMap();
    }

    public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
        connection.setTypeMap(map);
    }

    public void setHoldability(int holdability) throws SQLException {
        connection.setHoldability(holdability);
    }

    public int getHoldability() throws SQLException {
        return connection.getHoldability();
    }

    public Savepoint setSavepoint() throws SQLException {
        return connection.setSavepoint();
    }

    public Savepoint setSavepoint(String name) throws SQLException {
        return connection.setSavepoint(name);
    }

    public void rollback(Savepoint savepoint) throws SQLException {
        connection.rollback();
    }

    public void releaseSavepoint(Savepoint savepoint) throws SQLException {
        connection.releaseSavepoint(savepoint);
    }

    public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        return new StatementLogger(logger, connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability));
    }

    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        lastSql = sql;

        return new CallableStatementLogger(logger, connection, sql, resultSetType, resultSetConcurrency, resultSetHoldability);
    }

    public Clob createClob() throws SQLException {
        return connection.createClob();
    }

    public Blob createBlob() throws SQLException {
        return connection.createBlob();
    }

    public NClob createNClob() throws SQLException {
        return connection.createNClob();
    }

    public SQLXML createSQLXML() throws SQLException {
        return connection.createSQLXML();
    }

    public boolean isValid(int timeout) throws SQLException {
        return connection.isValid(timeout);
    }

    public void setClientInfo(String name, String value) throws SQLClientInfoException {
        connection.setClientInfo(name, value);
    }

    public void setClientInfo(Properties properties) throws SQLClientInfoException {
        connection.setClientInfo(properties);
    }

    public String getClientInfo(String name) throws SQLException {
        return connection.getClientInfo(name);
    }

    public Properties getClientInfo() throws SQLException {
        return connection.getClientInfo();
    }

    public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
        return connection.createArrayOf(typeName, elements);
    }

    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
        return connection.createStruct(typeName, attributes);
    }

    public void setSchema(String schema) throws SQLException {
        connection.setSchema(schema);
    }

    public String getSchema() throws SQLException {
        return connection.getSchema();
    }

    public void abort(Executor executor) throws SQLException {
        connection.abort(executor);
    }

    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
        connection.setNetworkTimeout(executor, milliseconds);
    }

    public int getNetworkTimeout() throws SQLException {
        return connection.getNetworkTimeout();
    }

    public <T> T unwrap(Class<T> iface) throws SQLException {
        return connection.unwrap(iface);
    }

    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        return connection.isWrapperFor(iface);
    }
}