package de.gurkengewuerz.monitoring;

import de.gurkengewuerz.monitoring.object.Database;
import org.apache.commons.cli.*;
import org.pmw.tinylog.Logger;

import java.io.File;
import java.io.IOException;
import java.sql.SQLException;

/**
 * Created by gurkengewuerz.de on 21.10.2017.
 */
public class StartUp {
    private static Database db;
    private static Config conf;
    private static String private_key;

    public static void main(String... args) throws IOException {
        // START-ARGUMENTS
        Options options = new Options();

        Option poller = new Option("p", "poller", false, "Start only the poller");
        poller.setRequired(false);
        options.addOption(poller);

        Option settingsfile = new Option("f", "file", true, "Set Settings file");
        settingsfile.setRequired(false);
        options.addOption(settingsfile);

        CommandLineParser parser = new DefaultParser();
        HelpFormatter formatter = new HelpFormatter();
        CommandLine cmd;

        try {
            cmd = parser.parse(options, args);
        } catch (ParseException e) {
            Logger.error(e);
            formatter.printHelp("utility-name", options);

            System.exit(1);
            return;
        }
        // END-ARGUMENTS

        // START-CONFIG
        String settingsFile = "." + File.separator + "settings.json";
        File f = new File(cmd.getOptionValue("f", settingsFile));

        conf = new Config(f);
        conf.load();

        if (conf.debug())
            Logger.info("Benutze Konfig: " + f.getAbsolutePath());
        Logger.info("Wechseln der Konfig mit --file <Pfad>");

        if (conf.isFirstRun()) System.exit(0);
        // END-CONFIG

        // START-Datenbank
        try {
            db = new Database(conf.getString("sqlite"));
        } catch (Exception e) {
            Logger.error(e);
        }

        if (db == null) System.exit(1);

        try {
            createDatabase();
        } catch (SQLException e) {
            Logger.error(e);
            System.exit(1);
        }
        // END-Datenbank

        // START-PRIV KEY
        private_key = conf.getString("private_key");
        if (!new File(private_key).exists()) {
            Logger.error(private_key + " wurde nicht gefunden!");
            System.exit(1);
        }
        // END-PRIV KEY

        if (cmd.hasOption("p")) {
            new Poller();
        } else {
            new GUI();
        }
    }

    public static Database getDb() {
        return db;
    }

    public static String getPrivate_key() {
        return private_key;
    }

    public static Config getConfig() {
        return conf;
    }

    private static void createDatabase() throws SQLException {
        db.executeUpdate(
                "CREATE TABLE IF NOT EXISTS server (" +
                        "    id INTEGER PRIMARY KEY AUTOINCREMENT," +
                        "    servername text NULL," +
                        "    username text NULL," +
                        "    ip text NULL," +
                        "    port int NULL," +
                        "    adddate float NOT NULL" +
                        ");"
        );

        db.executeUpdate("CREATE TABLE IF NOT EXISTS status (" +
                "server_id INTEGER," +
                "os TEXT," +
                "cpu TEXT," +
                "cpucount INTEGER," +
                "max_ram INTEGER," +
                "current_ram INTEGER," +
                "load float," +
                "uptime INTEGER," +
                "state text," +
                "lastpoll INTEGER" +
                ");"
        );
    }
}