package net.t2code.automatedMessages.messages;

import net.t2code.automatedMessages.objects.Message;
import net.t2code.automatedMessages.system.Main;
import org.bukkit.Bukkit;
import org.jetbrains.annotations.NotNull;

import java.time.LocalDateTime;

public class CronJob {

    private Message message;
    private Boolean shutdown = false;

    public CronJob(@NotNull Message message) {
        this.message = message;
        String minuteString = message.timeMinute;
        String hourString = message.timeHour;

        if (minuteString.contains("*/")) {
            timer(Integer.valueOf(minuteString.replace("*/", "")), 60);
            return;
        }
        if (hourString.contains("*/")) {
            timer(Integer.valueOf(hourString.replace("*/", "")), 60 * 60);
            return;
        }
        job();
    }

    private void job() {
        Bukkit.getScheduler().runTaskTimerAsynchronously(Main.getPlugin(), new Runnable() {
            @Override
            public void run() {
                if (shutdown) return;
                executeJob();
            }
        }, 0, 60 * 20L);
    }

    private void executeJob() {
        LocalDateTime dateTime = LocalDateTime.now();

        if (check(message.timeMinute, dateTime.getMinute(), "minute")) return;
        if (check(message.timeHour, dateTime.getHour(), "h")) return;
        if (check(message.timeDayOfMonth, dateTime.getDayOfMonth(), "dom")) return;
        if (check(message.timeMonth, dateTime.getMonth().getValue(), "mon")) return;
        if (check(message.timeDayOfWeek, dateTime.getDayOfWeek().getValue(), "dow")) return;

        SendMessage.send(message);
    }

    private boolean check(@NotNull String check, Integer value, String v) {
        if (check.equals("*")) return false;
        if (check.contains("/")) {
            String[] strings = check.split("/");
            for (String string : strings) {
                if (string.equals("*")) return false;
                if (Integer.parseInt(string) == value) return false;
            }
            return true;
        }

        try {
            if (Integer.parseInt(check) == value) return false;
        } catch (Exception ignored) {
        }
        return true;
    }

    public void timer(Integer period, Integer value) {
        Bukkit.getScheduler().scheduleAsyncRepeatingTask(Main.getPlugin(), new Runnable() {
            @Override
            public void run() {
                if (shutdown) return;
                SendMessage.send(message);
            }
        }, 0, 20L * value * period);
    }

    public void shutdown() {
        this.shutdown = true;
    }
}