package jef;

import lombok.Getter;

import java.net.MalformedURLException;
import java.util.regex.Pattern;

@Getter
public class DatabaseOptions {
    protected final String url;
    protected final String user;
    protected final String password;

    protected final String migrationsPackage;

    protected final String host;
    protected final String database;

    public DatabaseOptions(String url, String user, String password, String migrationsPackage) {
        this.url = url;
        this.user = user;
        this.password = password;

        host = extractHost(url);
        database = extractDatabase(url);
        this.migrationsPackage = migrationsPackage;
    }

    private static String extractHost(String url) {
        var pattern = Pattern.compile("^.*?//(.*?)/.*$");
        var matcher = pattern.matcher(url);
        if (!matcher.matches()) {
            throw new RuntimeException(new MalformedURLException("Could not extract host for url: " + url));
        }
        return matcher.group(1);
    }

    private static String extractDatabase(String url) {
        var pattern = Pattern.compile("^.*?//.*?/(.*?)([?/].*)?$");
        var matcher = pattern.matcher(url);
        if (!matcher.matches()) {
            throw new RuntimeException(new MalformedURLException("Could not extract database for url: " + url));
        }
        return matcher.group(1);
    }
}