/*
 * Copyright Debezium Authors.
 *
 * Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package io.debezium.jdbc;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;

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.DriverManager;
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 java.util.concurrent.TimeUnit;

import org.junit.Test;
import org.mockito.MockedStatic;
import org.mockito.Mockito;

import io.debezium.jdbc.JdbcConnection.ConnectionFactory;

public class JdbcConnectionTest {

    @Test
    public void testNormalClose() throws SQLException {
        ConnectionFactory connFactory = (config) -> new NormalConnection();
        JdbcConnection conn = new JdbcConnection(JdbcConfiguration.empty(), connFactory, "\"", "\"");
        conn.connect();
        conn.close();
    }

    @Test
    public void testForceClose() throws SQLException {
        ConnectionFactory connFactory = (config) -> new TimingOutConnection();
        JdbcConnection conn = new JdbcConnection(JdbcConfiguration.empty(), connFactory, "\"", "\"");
        conn.connect();
        conn.close();
    }

    @Test(expected = SQLException.class)
    public void testRogueConnection() throws SQLException {
        ConnectionFactory connFactory = (config) -> new RogueConnection();
        JdbcConnection conn = new JdbcConnection(JdbcConfiguration.empty(), connFactory, "\"", "\"");
        conn.connect();
        conn.close();
    }

    @Test
    public void testPatternBasedFactorySpecialCharacters() throws SQLException {
        String urlPattern = "jdbc:driver://${" + JdbcConfiguration.HOSTNAME + "}:${" + JdbcConfiguration.PORT + "};" +
                "databaseName=${" + JdbcConfiguration.DATABASE + "}";
        ConnectionFactory connFactory = JdbcConnection.patternBasedFactory(urlPattern);

        JdbcConfiguration config = JdbcConfiguration.create()
                .withHostname("db-host$01.example.com")
                .withDatabase("db$name-dev_01#test@mock+v1!")
                .withPort(5432)
                .build();

        try (MockedStatic<DriverManager> driverManager = Mockito.mockStatic(DriverManager.class)) {
            driverManager.when(() -> DriverManager.getConnection(anyString(), any(Properties.class)))
                    .thenReturn(new NormalConnection());

            JdbcConnection conn = new JdbcConnection(config, connFactory, "\"", "\"");
            conn.connect();
            conn.close();

            driverManager.verify(() -> DriverManager.getConnection(
                    eq("jdbc:driver://db-host$01.example.com:5432;databaseName=db$name-dev_01#test@mock+v1!"),
                    eq(new Properties())));
        }
    }

    private static class RogueConnection extends NormalConnection {
        @Override
        public void close() throws SQLException {
            throw new SQLException("something bad happened");
        }
    }

    private static class TimingOutConnection extends NormalConnection {
        @Override
        public void close() throws SQLException {
            try {
                TimeUnit.SECONDS.sleep(20);
                throw new SQLException("failed to close connection properly");
            }
            catch (InterruptedException e) {
            }
        }
    }

    private static class NormalConnection implements Connection {

        @Override
        public <T> T unwrap(Class<T> iface) throws SQLException {
            return null;
        }

        @Override
        public boolean isWrapperFor(Class<?> iface) throws SQLException {
            return false;
        }

        @Override
        public Statement createStatement() throws SQLException {
            return null;
        }

        @Override
        public PreparedStatement prepareStatement(String sql) throws SQLException {
            return null;
        }

        @Override
        public CallableStatement prepareCall(String sql) throws SQLException {
            return null;
        }

        @Override
        public String nativeSQL(String sql) throws SQLException {
            return null;
        }

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

        }

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

        @Override
        public void commit() throws SQLException {

        }

        @Override
        public void rollback() throws SQLException {

        }

        @Override
        public void close() throws SQLException {

        }

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

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

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

        }

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

        @Override
        public void setCatalog(String catalog) throws SQLException {

        }

        @Override
        public String getCatalog() throws SQLException {
            return null;
        }

        @Override
        public void setTransactionIsolation(int level) throws SQLException {

        }

        @Override
        public int getTransactionIsolation() throws SQLException {
            return 0;
        }

        @Override
        public SQLWarning getWarnings() throws SQLException {
            return null;
        }

        @Override
        public void clearWarnings() throws SQLException {

        }

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

        @Override
        public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
                throws SQLException {
            return null;
        }

        @Override
        public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
            return null;
        }

        @Override
        public Map<String, Class<?>> getTypeMap() throws SQLException {
            return null;
        }

        @Override
        public void setTypeMap(Map<String, Class<?>> map) throws SQLException {

        }

        @Override
        public void setHoldability(int holdability) throws SQLException {

        }

        @Override
        public int getHoldability() throws SQLException {
            return 0;
        }

        @Override
        public Savepoint setSavepoint() throws SQLException {
            return null;
        }

        @Override
        public Savepoint setSavepoint(String name) throws SQLException {
            return null;
        }

        @Override
        public void rollback(Savepoint savepoint) throws SQLException {

        }

        @Override
        public void releaseSavepoint(Savepoint savepoint) throws SQLException {

        }

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

        @Override
        public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency,
                                                  int resultSetHoldability)
                throws SQLException {
            return null;
        }

        @Override
        public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
                                             int resultSetHoldability)
                throws SQLException {
            return null;
        }

        @Override
        public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
            return null;
        }

        @Override
        public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
            return null;
        }

        @Override
        public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
            return null;
        }

        @Override
        public Clob createClob() throws SQLException {
            return null;
        }

        @Override
        public Blob createBlob() throws SQLException {
            return null;
        }

        @Override
        public NClob createNClob() throws SQLException {
            return null;
        }

        @Override
        public SQLXML createSQLXML() throws SQLException {
            return null;
        }

        @Override
        public boolean isValid(int timeout) throws SQLException {
            return false;
        }

        @Override
        public void setClientInfo(String name, String value) throws SQLClientInfoException {

        }

        @Override
        public void setClientInfo(Properties properties) throws SQLClientInfoException {

        }

        @Override
        public String getClientInfo(String name) throws SQLException {
            return null;
        }

        @Override
        public Properties getClientInfo() throws SQLException {
            return null;
        }

        @Override
        public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
            return null;
        }

        @Override
        public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
            return null;
        }

        @Override
        public void setSchema(String schema) throws SQLException {

        }

        @Override
        public String getSchema() throws SQLException {
            return null;
        }

        @Override
        public void abort(Executor executor) throws SQLException {

        }

        @Override
        public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {

        }

        @Override
        public int getNetworkTimeout() throws SQLException {
            return 0;
        }

    }

}
