import net.dv8tion.jda.core.AccountType;
import net.dv8tion.jda.core.JDABuilder;
import net.dv8tion.jda.core.exceptions.RateLimitedException;
import net.dv8tion.jda.core.hooks.ListenerAdapter;

import net.dv8tion.jda.core.JDA;
import net.dv8tion.jda.core.entities.ChannelType;
import net.dv8tion.jda.core.events.message.MessageReceivedEvent;

import javax.security.auth.login.LoginException;
import java.nio.file.Files;
import java.nio.file.Paths;

public class Main extends ListenerAdapter{

    public static void main(String[] args) throws LoginException, RateLimitedException, InterruptedException {
        JDA jda = new JDABuilder(AccountType.BOT).setToken("token").buildBlocking();
        jda.addEventListener(new Main());
    }

    @Override
    public void onMessageReceived(MessageReceivedEvent event)
    {
        if (event.isFromType(ChannelType.PRIVATE)) {
            System.out.printf("[PM] %s: %s\n", event.getAuthor().getName(),
                    event.getMessage().getContentDisplay());
        } else {
            System.out.printf("[%s][%s] %s: %s\n", event.getGuild().getName(),
                    event.getTextChannel().getName(), event.getMember().getEffectiveName(),
                    event.getMessage().getContentDisplay());

            if(event.getMessage().getContentDisplay().equalsIgnoreCase("ping")) {
                event.getTextChannel().sendMessage("pong").complete();
            } else if (event.getMessage().getContentDisplay().equalsIgnoreCase("temp")) {
                try {
                    String rawTemp = Files.readAllLines(Paths.get("/sys/class/thermal/thermal_zone0/temp")).get(0);
                    double temp = Integer.parseInt(rawTemp)/1000D;
                    event.getTextChannel().sendMessageFormat("%.1fC", temp).complete();
                } catch (Exception ex) {
                    event.getTextChannel().sendMessage("error").complete();
                }
            }

        }
    }
}