package com.bizarreplatinum.AssassinsCreed;

import java.util.HashMap;
import java.util.Map.Entry;
import java.util.UUID;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin implements Listener{

	private HashMap<UUID, Inventory> acinv = new HashMap<UUID, Inventory>();

	@EventHandler
	public void onPlayerJoin(PlayerJoinEvent e) {
		Inventory inv = Bukkit.getServer().createInventory(e.getPlayer(), InventoryType.CHEST, "AC Inventory");

		if(getConfig().contains("backpacks." + e.getPlayer().getUniqueId())) {
			for (String item : getConfig().getConfigurationSection("backpacks." + e.getPlayer().getUniqueId()).getKeys(false)) {
				inv.addItem(loadItem(getConfig().getConfigurationSection("backpacks." + e.getPlayer().getUniqueId() + "." + item)));
			}
		}

		acinv.put(e.getPlayer().getUniqueId(), inv);
	}

	@EventHandler
	public void onPlayerLeave(PlayerQuitEvent e) {
		if(!getConfig().contains("backpacks." + e.getPlayer().getUniqueId())) {
			getConfig().createSection("backpacks." + e.getPlayer().getUniqueId());
		}

		char c = 'a';
		for (ItemStack itemstack : acinv.get(e.getPlayer().getUniqueId())) {
			if(itemstack != null) {
				saveItem(getConfig().createSection("backpacks." + e.getPlayer().getUniqueId() + "." + c++), itemstack);
			}
		}

		saveConfig();
	}

	public void onEnable() {
		Bukkit.getServer().getPluginManager().registerEvents(this, this);
	}

	public void onDisable() {
		for(Entry<UUID, Inventory> entry : acinv.entrySet()) {
			if(!getConfig().contains("backpacks." + entry.getKey())) {
				getConfig().createSection("backpacks." + entry.getKey());
			}

			char c = 'a';
			for (ItemStack itemstack : entry.getValue()) {
				if(itemstack != null) {
					saveItem(getConfig().createSection("backpacks." + entry.getKey() + "." + c++), itemstack);
				}
			}

			saveConfig();
		}
	}

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
		if(!(sender instanceof Player)) {
			sender.sendMessage(ChatColor.DARK_RED + "Command is exclusive to players only.");
			return true;
		}

		Player p = (Player) sender;

		if(cmd.getName().equalsIgnoreCase("inv")) {
			p.openInventory(acinv.get(p.getUniqueId()));
		}

		return true;
	}

	private void saveItem(ConfigurationSection section, ItemStack itemstack) {
		section.set("type", itemstack.getType().name());
		section.set("amount", itemstack.getAmount());
		section.set("damage", itemstack.getDurability());
		section.set("displayName", itemstack.getItemMeta().getDisplayName());
		section.set("lore", itemstack.getItemMeta().getLore());
	}

	private ItemStack loadItem(ConfigurationSection section) {
		ItemStack itemstack = new ItemStack(Material.valueOf(section.getString("type")), section.getInt("amount"));
		itemstack.setDurability((short) section.getInt("damage"));
		ItemMeta itemMeta = itemstack.getItemMeta();
		itemMeta.setDisplayName(section.getString("displayName"));
		itemMeta.setLore(section.getStringList("lore"));
		itemstack.setItemMeta(itemMeta);

		return itemstack;
	}
}