package me.aberdeener.minecraftiacore;

import java.util.concurrent.TimeUnit;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Statistic;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;

public class PlayTime implements Listener,
CommandExecutor {

    private static PlayTime INSTANCE;

    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        if (command.getName().equalsIgnoreCase("playtime")) {
            if (args.length == 0) {
                if (!sender.hasPermission("playtime.self")) {
                    sender.sendMessage(ChatColor.RED + "You don't have permission to check your Play time!");
                    return true;
                }

                if (! (sender instanceof Player)) {
                    sender.sendMessage(ChatColor.RED + "You can't get the playtime of the console...");
                    sender.sendMessage("Try adding a name after the command ;)");
                    return true;
                }

                printPlayTime((Player) sender, sender);
                return true;
            } else {
                if (!sender.hasPermission("playtime.other")) {
                    sender.sendMessage(ChatColor.RED + "You don't have permission to check your the Play time of " + args[0] + "!");
                    return true;
                }

                Player player = Bukkit.getPlayer(args[0]);
                if (player == null) {
                    sender.sendMessage(ChatColor.RED + "That player is offline. ");
                    return true;
                }

                printPlayTime(player, sender);
                return true;
            }
        }

        return false;
    }

    private void printPlayTime(Player player, CommandSender sender) {
        long t = (long)(player.getStatistic(Statistic.PLAY_ONE_MINUTE) * 0.05 * 1000);
        long[] time = formatDuration(t);
        String message = String.format("The player *player* has played on the server for *days* days, *hours* hours, *minutes* mintues and *seconds* seconds.", player, time);
        sender.sendMessage(message);
    }

    private String format(String message, long[] time, Player player) {
        return (message.replace("*days*", time[0] + "").replace("*hours*", time[1] + "").replace("*minutes*", time[2] + "").replace("*seconds*", time[3] + "").replace("*player*", player.getDisplayName()));
    }

    private long[] formatDuration(long millis) {
        long days = TimeUnit.MILLISECONDS.toDays(millis);
        millis -= TimeUnit.DAYS.toMillis(days);
        long hours = TimeUnit.MILLISECONDS.toHours(millis);
        millis -= TimeUnit.HOURS.toMillis(hours);
        long minutes = TimeUnit.MILLISECONDS.toMinutes(millis);
        millis -= TimeUnit.MINUTES.toMillis(minutes);
        long seconds = TimeUnit.MILLISECONDS.toSeconds(millis);

        return new long[] {
            days,
            hours,
            minutes,
            seconds
        };
    }

    public static PlayTime getInstance() {
        return INSTANCE;
    }

}