/*
 * $Id$
 *
 * This file is part of the Cloud Services Integration Platform (CSIP),
 * a Model-as-a-Service framework, API, and application suite.
 *
 * 2012-2017, OMSLab, Colorado State University.
 *
 * OMSLab licenses this file to you under the MIT license.
 * See the LICENSE file in the project root for more information.
 */
package csip.sdm;

import csip.sdm.SDMDriver.DBProperties;
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;
import static csip.sdm.SDMDriver.URL_TYPE;

/**
 *
 * @author <a href="mailto:shaun.case@colostate.edu">Shaun Case</a>
 */
public class SDMConnection implements Connection {

    private String url;
    private SDMClient sdmClient;
    private DatabaseMetaData metaData;


    SDMConnection(String url, DBProperties props) throws SQLException {
        String scheme = props.getScheme();
        this.url = url.replaceFirst("^" + URL_TYPE, scheme + "://");

        if (!testConnection(props)) {
            throw new SQLException("Cannot connect to: " + this.url);
        }
        sdmClient = new SDMClient(props, this.url);
        metaData = new SDMDatabaseMetaData(this);
    }


    private boolean testConnection(DBProperties props) {
        if (null != url) {
            if (SDMClient.ping(url, props.getTimeout() * 1000) != -1) {
                return true;
            }
        }
        return false;
    }


    @Override
    public void abort(Executor executor) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void clearWarnings() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void close() throws SQLException {
        //No connections are left open, so no need to do anything.
    }


    @Override
    public void commit() throws SQLException {

    }


    @Override
    public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Blob createBlob() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Clob createClob() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public NClob createNClob() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public SQLXML createSQLXML() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Statement createStatement() throws SQLException {
        if (null == sdmClient) {
            throw new SQLException("Invalid connection to host.  No SDMClient instance.");
        }
        return new SDMStatement(this, sdmClient);
    }


    @Override
    public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
        return createStatement();
    }


    @Override
    public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        return createStatement();
    }


    @Override
    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public boolean getAutoCommit() throws SQLException {
        return false;
    }


    @Override
    public void setAutoCommit(boolean autoCommit) throws SQLException {
    }


    @Override
    public String getCatalog() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setCatalog(String catalog) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public String getClientInfo(String name) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Properties getClientInfo() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setClientInfo(Properties properties) throws SQLClientInfoException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public int getHoldability() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setHoldability(int holdability) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public DatabaseMetaData getMetaData() throws SQLException {
        return metaData;
    }


    @Override
    public int getNetworkTimeout() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public String getSchema() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setSchema(String schema) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public int getTransactionIsolation() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setTransactionIsolation(int level) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Map<String, Class<?>> getTypeMap() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public SQLWarning getWarnings() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public boolean isReadOnly() throws SQLException {
        return true;
    }


    @Override
    public void setReadOnly(boolean readOnly) throws SQLException {
    }


    @Override
    public boolean isClosed() throws SQLException {
        return false;
    }


    @Override
    public boolean isValid(int timeout) throws SQLException {
        return SDMClient.ping(url, 15000) != -1;
    }


    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public String nativeSQL(String sql) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public CallableStatement prepareCall(String sql) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public PreparedStatement prepareStatement(String sql) throws SQLException {
        if (null == sdmClient) {
            throw new SQLException("Invalid connection to host.  No SDMClient instance.");
        }        
       return new SDMPreparedStatement(this, sdmClient, sql);
    }


    @Override
    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void releaseSavepoint(Savepoint savepoint) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void rollback() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void rollback(Savepoint savepoint) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setClientInfo(String name, String value) throws SQLClientInfoException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Savepoint setSavepoint() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public Savepoint setSavepoint(String name) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}