import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.sql.*;

public class schemaCheck {

    private static String server = ""; //задается в параметре запуска
    private static String port = "5432";
    private static String username = "postgres";
    private static String password = "postgres";
    private static String dbName = "postgres";
    private static String driverName = "org.postgresql.Driver";
    private static Boolean programTask = Boolean.valueOf(true);
//Проверка входных параметров
//Если их нет то заменяет на заданные по умолчанию
    public static void main(String[] arrstring) throws ClassNotFoundException {
        if (!arrstring[0].equals("")) {
            server = arrstring[0];
        }

        if (!arrstring[1].equals("")) {
            port = arrstring[1];
        }

        if (!arrstring[2].equals("")) {
            username = arrstring[2];
        }

        if (!arrstring[3].equals("")) {
            password = arrstring[3];
        }

        if (arrstring.length == 6) {
            if (!arrstring[4].equals("")) {
                dbName = arrstring[4];
            }

            programTask = Boolean.valueOf(false);
        }
        String string = "jdbc:postgresql://" + server + ":" + port + "/";
        connect(string + dbName, driverName, username, password);
    }

    private static void connect(String string, String string2, String string3, String string4) throws ClassNotFoundException {
        Class.forName(string2);

        try {
            Connection var12 = DriverManager.getConnection(string, string3, string4);
            Statement statement = var12.createStatement();
            String string8;
            if (programTask.booleanValue()) {
                string8 = "select datname from pg_database where datname not like 'postgres' and datname not like 'template%' order by datname;";
                ResultSet resultSet = statement.executeQuery(string8);

                try {
                    BufferedWriter var11 = new BufferedWriter(new FileWriter(server + ".txt"));
                    var11.write(String.format("Параметры для подключения к БД: \n", new Object[0]));
                    var11.write(String.format("azk.db.url=%-30s <ИМЯ БД> \n", new Object[]{string}));
                    var11.write(String.format("azk.db.user=postgres \n", new Object[0]));
                    var11.write(String.format("azk.db.password=postgres \n\n", new Object[0]));
                    var11.write(String.format("Доступные БД \n", new Object[0]));
                    var11.write(String.format("%-30s %-30s \n", new Object[]{"<ИМЯ БД>", "<ВЕРСИЯ>"}));

                    while (resultSet.next()) {
                        String string6 = resultSet.getString("datname");
                        var11.write(String.format("%-30s\n", new Object[]{string6}));
                    }

                    var12.close();
                    var11.close();
                } catch (IOException var111) {
                    var111.printStackTrace();
                }
            }
        } catch (SQLException var121) {
            System.out.println(var121.toString());
        }

    }

}