package at.syntax.caseopening.utils;

import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.Event.Result;
import org.bukkit.event.EventHandler;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryCloseEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.scheduler.BukkitTask;

import at.syntax.caseopening.Main;

public class Animator implements Listener {

	private Player player;
	private IAnimator ianimator;
	private Animator animator;

	private Inventory inventory;
	private boolean running;
	private BukkitTask task;

	private int rolls;
	private int timeout;

	public Animator(Player player, IAnimator ianimator) {
		this.player = player;
		this.ianimator = ianimator;
		this.animator = this;
	}

	public void startAnimation(int rolls, List<ItemStack> items, long waitAtEnd) {
		this.inventory = this.ianimator.setupInventory(this.player);
		this.rolls = rolls;
		this.player.openInventory(this.inventory);

		this.running = true;
		Bukkit.getPluginManager().registerEvents(this.animator, Main.getInstance());

		this.task = Bukkit.getScheduler().runTaskTimer(Main.getInstance(), new Runnable() {

			@Override
			public void run() {

				if (Animator.this.timeout != 0) {
					Animator.this.timeout--;
				} else {
					Animator.this.ianimator.onTick(Animator.this.player, Animator.this.inventory, items, false);

					Animator.this.rolls--;
					if (Animator.this.rolls >= 20) {
						Animator.this.timeout = 0;
					} else if (Animator.this.rolls <= 19 && Animator.this.rolls >= 10) {
						Animator.this.timeout = 1;
					} else if (Animator.this.rolls <= 9 && Animator.this.rolls >= 5) {
						Animator.this.timeout = 2;
					} else if (Animator.this.rolls <= 4 && Animator.this.rolls >= 0) {
						Animator.this.timeout = 3;
					}

					if (Animator.this.rolls == 0) {
						Animator.this.task.cancel();
						Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {

							@Override
							public void run() {
								Animator.this.ianimator.onTick(Animator.this.player, Animator.this.inventory, items,
										true);

								Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {

									@Override
									public void run() {
										HandlerList.unregisterAll(Animator.this.animator);

										Animator.this.running = false;
										Animator.this.player.closeInventory();
									}
								}, waitAtEnd);

							}
						}, 20);
					}
				}
			}
		}, 0L, 2L);

	}

	@EventHandler
	public void onClick(InventoryClickEvent e) {
		if (e.getInventory().equals(this.inventory) && this.running) {
			e.setCancelled(true);
			e.setResult(Result.DENY);
		}
	}

	@EventHandler
	public void onClose(InventoryCloseEvent e) {
		Player p = (Player) e.getPlayer();
		if (e.getInventory().equals(this.inventory) && this.running) {
			Bukkit.getScheduler().runTaskLater(Main.getInstance(), new Runnable() {

				@Override
				public void run() {
					p.openInventory(Animator.this.inventory);
				}
			}, 3);
		}
	}
}