package com.example.services;

import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DatabaseConnectDOTSOFT implements AutoCloseable {
    private static final Logger logger = LoggerFactory.getLogger(DatabaseConnectDOTSOFT.class);

    private Connection connection;

    public DatabaseConnectDOTSOFT(String username) throws SQLException {
        String environment = loadEnvironment();

        try {
            Properties dbProperties = loadDatabaseProperties();
            
            String url = dbProperties.getProperty(environment + ".db.url");
            String userpassword = dbProperties.getProperty(environment + ".db." + username + ".password");        
            
            connection = DriverManager.getConnection(url, username, userpassword);
   
            logger.info("DOTSOFT Connection OK for user " + username + " on environment " + environment);
        } catch (SQLException e) {
            logger.error("Failed to connect to DOTSOFT database for user " + username + " on environment " + environment, e);
            throw e; // re-throw the exception
        }
    }
    
    public Connection getConnection() {
        return connection;
    }

    @Override
    public void close() throws SQLException {
        if (connection != null && !connection.isClosed()) {
            connection.close();
            logger.info("DOTSOFT Connection closed");
        }
    }

    private String loadEnvironment() {
        Properties envProperties = loadProperties("env.properties");
        return envProperties.getProperty("environment");
    }

    private Properties loadDatabaseProperties() {
        Properties dbProperties = loadProperties("db.properties");
        return dbProperties;
    }

    private Properties loadProperties(String fileName) {
        Properties properties = new Properties();
        try (InputStream input = getClass().getClassLoader().getResourceAsStream(fileName)) {
            properties.load(input);
        } catch (IOException e) {
            e.printStackTrace();
            // Handle the exception correctly for your application
        }
        return properties;
    }
}