import JDBC.JDBCOperations;

import java.sql.Connection;

public class Main {

    public static void main(String argv[]) {
        if (argv.length != 3) {
            System.out.println("Invalid arguments!");
        } else {
            String url = argv[0];
            String user = argv[1];
            String password = argv[2];

            Connection connection = JDBCOperations.createConnection(url, user, password);

            if (connection == null) {
                System.out.println("Invalid Url, Username or Password!");
            } else {
                JDBCOperations.dropTables(connection);
                JDBCOperations.createTables(connection);
                JDBCOperations.fillTables(connection);
                JDBCOperations.executeOperations(connection);
                JDBCOperations.closeConnection(connection);
            }
        }
    }

}