/* 
    HOW TO USE IT in 192.168.0.120 (MINI PC PACS):
    1. cd to `cd /pacs/pacs_installer/`
    2. `export PATH=$PATH:/usr/lib/jvm/jdk1.8.0_144/bin/`
    3. Compile : `javac -cp .:mysql-connector-java-8.0.22.jar MySQLConnectionTest.java`
    4. Run : `java -cp .:mysql-connector-java-8.0.22.jar MySQLConnectionTest 192.168.0.120 3306 pacsdb pacs pacs`
    4. Run : `java -cp .:mysql-connector-java-8.0.22.jar MySQLConnectionTest dev.sismedika.online 3306 rsabt201107 hispacs s1sm3d1k4123!`
*/

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class MySQLConnectionTestV2 {
    public static void main(String[] args) {
        // MySQL database details from command line arguments
        if (args.length < 5) {
            System.out.println("Usage: java MySQLConnectionTest <host> <port> <database> <user> <password>");
            return;
        }

        String host = args[0];
        String port = args[1];
        String dbName = args[2];
        String user = args[3];
        String password = args[4];
        String url = "jdbc:mysql://" + host + ":" + port + "/" + dbName;

        Connection connection = null;
        try {
            // Load MySQL JDBC Driver (MySQL Connector 8.0.22 and above auto-registers the driver)
            Class.forName("com.mysql.cj.jdbc.Driver"); // Optional for JDBC 4.0+

            // Add timezone configuration to URL if needed
            url += "?serverTimezone=Asia/Jakarta";

            // Establish a connection
            connection = DriverManager.getConnection(url, user, password);
            System.out.println("Connection successful!");
        } catch (ClassNotFoundException e) {
            System.out.println("MySQL JDBC Driver not found. Include the MySQL Connector jar file.");
            e.printStackTrace();
        } catch (SQLException e) {
            System.out.println("Failed to connect to MySQL database.");
            System.out.println("Error Message: " + e.getMessage());
            e.printStackTrace();
        } finally {
            if (connection != null) {
                try {
                    connection.close();
                    System.out.println("Connection closed.");
                } catch (SQLException e) {
                    System.out.println("Failed to close the connection.");
                    e.printStackTrace();
                }
            }
        }
    }
}