package me.wsman217.eternal_enchants.enchantments;

import static org.bukkit.ChatColor.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

public enum Enchants {

	// Display name, min level, max level, applicable items
	AUTO_SMELT("Auto Smelt", 1, 1, Arrays.asList(Material.DIAMOND_PICKAXE, Material.DIAMOND_AXE), -1);

	private String displayName;
	private int minLvl, maxLvl;
	private ArrayList<Material> applicableItems = new ArrayList<Material>();
	private int lvl;

	Enchants(String displayName, int minLvl, int maxLvl, List<Material> applicableItems, int lvl) {
		this.displayName = displayName;
		this.minLvl = minLvl;
		this.maxLvl = maxLvl;
		this.lvl = lvl;
	}

	public int getLvlCurrentLvl() {
		return lvl;
	}

	public Enchants setCurrentLvl(int newLvl) {
		this.lvl = newLvl;
		return this;
	}

	public String getDisplayName() {
		return displayName;
	}

	public int getMinLvl() {
		return minLvl;
	}

	public int getMaxLvl() {
		return maxLvl;
	}

	public ArrayList<Material> getApplicableItems() {
		return applicableItems;
	}

	public static boolean isApplicable(Enchants enchant, Material toApply) {
		for (Material appItem : enchant.getApplicableItems())
			if (appItem == toApply)
				return true;
		return false;
	}

	public static Enchants findByName(String name) {
		for (Enchants ench : Enchants.values())
			if (stripColor(ench.getDisplayName()).equals(name))
				return ench;
		return null;
	}

	/**
	 * Adds an enchantment to the item that is in within the highest and lowest
	 * level of the enchant.
	 *
	 * @param item
	 * @param enchant
	 * @param lvl
	 * @return The item with the enchant.
	 */
	public static ItemStack addSafeEnchant(ItemStack item, Enchants enchant, int lvl) {
		if (!isWithinLvl(enchant, lvl))
			lvl = enchant.getMaxLvl();
		ItemMeta im = item.getItemMeta();
		List<String> itemLore = new ArrayList<String>();
		if (im.hasLore())
			itemLore = im.getLore();
		String ench = GRAY + enchant.getDisplayName();

		if (lvl <= 10)
			ench += lvlToRoman(lvl);
		else
			ench += ".level." + lvl;

		int index = 0;

		for (String loreLine : itemLore) {
			index++;
			if (loreLine.startsWith(enchant.getDisplayName())) {
				itemLore.set(index, ench);
				im.setLore(itemLore);
				item.setItemMeta(im);
				return item;
			}
		}

		itemLore.add(ench);
		im.setLore(itemLore);
		item.setItemMeta(im);
		return item;
	}

	/**
	 * Adds an enchantment to the item that can be out of the highest and lowest
	 * level of the enchant.
	 *
	 * @param item
	 * @param enchant
	 * @param lvl
	 * @return The item with the enchant.
	 */
	public static ItemStack addUnsafeEnchant(ItemStack item, Enchants enchant, int lvl) {
		ItemMeta im = item.getItemMeta();
		List<String> itemLore = new ArrayList<String>();
		if (im.hasLore())
			itemLore = im.getLore();
		String ench = GRAY + enchant.getDisplayName();

		if (lvl <= 10)
			ench += lvlToRoman(lvl);
		else
			ench += ".level." + lvl;

		int index = 0;

		for (String loreLine : itemLore) {
			index++;
			if (loreLine.startsWith(enchant.getDisplayName())) {
				itemLore.set(index, ench);
				im.setLore(itemLore);
				item.setItemMeta(im);
				return item;
			}
		}

		itemLore.add(ench);
		im.setLore(itemLore);
		item.setItemMeta(im);
		return item;
	}

	public static ArrayList<Enchants> getCustomEnchantsFromItem(ItemStack item) {
		ItemMeta im = item.getItemMeta();
		if (!im.hasLore())
			return new ArrayList<Enchants>();
		List<String> itemLore = im.getLore();
		ArrayList<Enchants> customEnchantsOnItem = new ArrayList<Enchants>();

		for (String loreLine : itemLore)
			for (Enchants enchants : Enchants.values())
				if (loreLine.startsWith(enchants.getDisplayName()))
					customEnchantsOnItem.add(enchants.setCurrentLvl(romanToLvl(loreLine.substring(loreLine.indexOf(" ")))));

		return customEnchantsOnItem;
	}

	private static int romanToLvl(String roman) {
		switch (roman) {
		case "I":
			return 1;
		case "II":
			return 2;
		case "III":
			return 3;
		case "IV":
			return 4;
		case "V":
			return 5;
		case "VI":
			return 6;
		case "VII":
			return 7;
		case "VIII":
			return 8;
		case "IX":
			return 9;
		case "X":
			return 10;
		default:
			return 0;
		}
	}

	private static String lvlToRoman(int lvl) {
		switch (lvl) {
		case 1:
			return " I";
		case 2:
			return " II";
		case 3:
			return " III";
		case 4:
			return " IV";
		case 5:
			return " V";
		case 6:
			return " VI";
		case 7:
			return " VII";
		case 8:
			return " VIII";
		case 9:
			return " IX";
		default:
			return " X";
		}
	}

	private static boolean isWithinLvl(Enchants enchant, int lvl) {
		return enchant.getMinLvl() <= lvl && enchant.getMaxLvl() >= lvl;
	}
}