AlphaShopInventory Class

package com.infinity.survival.story;

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

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
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.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.SkullMeta;

import com.infinity.survival.Main;
import com.rit.sucy.EnchantmentAPI;

public class AlphaShopInventory implements Listener{

    List<Player> confirm_list = new ArrayList<Player>();
    List<Player> draco_confirm_list = new ArrayList<Player>();
    List<Player> triskull_confirm_list = new ArrayList<Player>();

    //Item Places
    public static Inventory shopInventory = Bukkit.createInventory(null, 54, "The Alpha's Shop");
    static{

        List<String> llore = new ArrayList<String>();
        llore.add(ChatColor.GREEN + "Lapis Lazuli is my 2nd favorite mineral.");
        llore.add(ChatColor.GREEN + "If you want, by some from me!");
        ItemStack lapisore = new ItemStack(Material.LAPIS_ORE, 5);
        ItemMeta lom = lapisore.getItemMeta();
        lom.setLore(llore);
        lom.setDisplayName(ChatColor.BLUE + "Lapis For XPCurrency");
        lapisore.setItemMeta(lom);
        shopInventory.setItem(2, lapisore);
        shopInventory.setItem(6, lapisore);

        List<String> kslore = new ArrayList<String>();
        kslore.add(ChatColor.GREEN + "A common sword used by Alpha Knights");
        ItemStack ksword = createItem(Material.IRON_SWORD, ChatColor.BLUE + "Alpha Knight Sword", true, kslore);
        EnchantmentAPI.getEnchantment("Sharpness+").addToItem(ksword, 5);
        shopInventory.setItem(11, ksword);

        List<String> khlore = new ArrayList<String>();
        khlore.add(ChatColor.GREEN + "A helmet used by Alpha Knights.");
        ItemStack khelm = createItem(Material.IRON_HELMET, ChatColor.BLUE + "Alpha Knight Helmet", true, khlore);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(khelm, 5);
        shopInventory.setItem(12, khelm);

        List<String> kclore = new ArrayList<String>();
        kclore.add(ChatColor.GREEN + "A chestplate used by Alpha Knights");
        ItemStack kchest = createItem(Material.IRON_CHESTPLATE, ChatColor.BLUE + "Alpha Knight Chestplate", true, kclore);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(kchest, 5);
        shopInventory.setItem(13, kchest);

        List<String> kllore = new ArrayList<String>();
        kllore.add(ChatColor.GREEN + "Leggings used by Alpha Knights");
        ItemStack klegs = createItem(Material.IRON_LEGGINGS, ChatColor.BLUE + "Alpha Knight Leggings", true, kllore);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(klegs, 5);
        shopInventory.setItem(14, klegs);

        List<String> kblore = new ArrayList<String>();
        kblore.add(ChatColor.GREEN + "A pair of boots used by Alpha Knights");
        ItemStack kboots = createItem(Material.IRON_BOOTS, ChatColor.BLUE + "Alpha Knight Boots", true, kblore);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(kboots, 5);
        shopInventory.setItem(15, kboots);

        List<String> alslore = new ArrayList<String>();
        alslore.add(ChatColor.GREEN + "The mighty sword that helped Alexander");
        alslore.add(ChatColor.GREEN + "overcome the World, that has slain");
        alslore.add(ChatColor.GREEN + "many men!");
        ItemStack alsword = createItem(Material.IRON_SWORD, ChatColor.GOLD + "Alexander's Sword", true, alslore);
        EnchantmentAPI.getEnchantment("Sharpness+").addToItem(alsword, 10);
        alsword.addEnchantment(Enchantment.DURABILITY, 3);
        shopInventory.setItem(20, alsword);

        List<String> alhlore = new ArrayList<String>();
        alhlore.add(ChatColor.GRAY + "The helmet of Alexander the Great!");
        ItemStack alhelm = createItem(Material.CHAINMAIL_HELMET, "Royal Helmet", true, alhlore);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(alhelm, 10);
        alhelm.addEnchantment(Enchantment.DURABILITY, 3);
        shopInventory.setItem(21, alhelm);

        List<String> alclore = new ArrayList<String>();
        alclore.add(ChatColor.GRAY + "The awesome chestplate of Alexander");
        alclore.add(ChatColor.GRAY + "the Great!");
        ItemStack alchest = createItem(Material.CHAINMAIL_CHESTPLATE, "Royal Chestplate", true, alclore);
        alchest.addEnchantment(Enchantment.DURABILITY, 3);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(alchest, 10);
        shopInventory.setItem(22, alchest);

        List<String> alllore = new ArrayList<String>();
        alllore.add(ChatColor.GRAY + "The leggings donned many times by");
        alllore.add(ChatColor.GRAY + "Alexander the Great!");
        ItemStack allegs = createItem(Material.CHAINMAIL_LEGGINGS, "Royal Leggings", true, alllore);
        allegs.addEnchantment(Enchantment.DURABILITY, 3);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(allegs, 10);
        shopInventory.setItem(23, allegs);

        List<String> alblore = new ArrayList<String>();
        alblore.add(ChatColor.GRAY + "The steel-hard boots of Alexander");
        alblore.add(ChatColor.GRAY + "the Great!");
        ItemStack alboots = createItem(Material.CHAINMAIL_BOOTS, "Royal Boots", true, alblore);
        alboots.addEnchantment(Enchantment.DURABILITY, 3);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(alboots, 10);
        shopInventory.setItem(24, alboots);

        List<String> fslore = new ArrayList<String>();
        fslore.add(ChatColor.GREEN + "A sword once used by Helios,");
        fslore.add(ChatColor.GREEN + "it is sure to burn down your foes!");
        ItemStack fsword = createItem(Material.GOLD_SWORD, ChatColor.GOLD + "Flaming Sword", true, fslore);
        fsword.addUnsafeEnchantment(Enchantment.FIRE_ASPECT, 5);
        EnchantmentAPI.getEnchantment("Sharpness+").addToItem(fsword, 15);
        fsword.addUnsafeEnchantment(Enchantment.DURABILITY, 12);
        shopInventory.setItem(29, fsword);

        List<String> sblore = new ArrayList<String>();
        sblore.add(ChatColor.GREEN + "A pair of boots used by Helios!");
        ItemStack sboots = createItem(Material.GOLD_BOOTS, ChatColor.RED + "Burning Boots", true, sblore);
        EnchantmentAPI.getEnchantment("Flame Coat").addToItem(sboots, 5);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(sboots, 15);
        sboots.addUnsafeEnchantment(Enchantment.DURABILITY, 12);
        shopInventory.setItem(33, sboots);

        List<String> sllore = new ArrayList<String>();
        sllore.add(ChatColor.GREEN + "Leggings used by Helios!");
        ItemStack sleggings = createItem(Material.GOLD_LEGGINGS, ChatColor.RED + "Past-Flaming Pants", true, sllore);
        EnchantmentAPI.getEnchantment("Flame Coat").addToItem(sleggings, 5);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(sleggings, 15);
        sleggings.addUnsafeEnchantment(Enchantment.DURABILITY, 12);
        shopInventory.setItem(32, sleggings);

        List<String> sclore = new ArrayList<String>();
        sclore.add(ChatColor.GREEN + "A chestplate used by Helios!");
        ItemStack schest = createItem(Material.GOLD_CHESTPLATE, ChatColor.RED + "Sizziling Chestplate", true, sclore);
        EnchantmentAPI.getEnchantment("Flame Coat").addToItem(schest, 5);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(schest, 15);
        schest.addUnsafeEnchantment(Enchantment.DURABILITY, 12);
        shopInventory.setItem(31, schest);

        List<String> shlore = new ArrayList<String>();
        shlore.add(ChatColor.GREEN + "A helmet used by Helios!");
        ItemStack shelm = createItem(Material.GOLD_HELMET, ChatColor.RED + "Heated Helmet", true, shlore);
        EnchantmentAPI.getEnchantment("Flame Coat").addToItem(shelm, 5);
        EnchantmentAPI.getEnchantment("Protection+").addToItem(shelm, 15);
        shelm.addUnsafeEnchantment(Enchantment.DURABILITY, 12);
        shopInventory.setItem(30, shelm);

        ItemStack balance = new ItemStack(Material.EXP_BOTTLE);
        ItemMeta bmeta = balance.getItemMeta();
        bmeta.setDisplayName(ChatColor.GOLD + "Currency XP Balance");
        List<String> balance_lore = new ArrayList<String>();
        balance_lore.add(ChatColor.GREEN + "Click this to see your XPCurrency balance.");
        bmeta.setLore(balance_lore);
        balance.setItemMeta(bmeta);
        shopInventory.setItem(4, balance);

        ItemStack netherstar = new ItemStack(Material.NETHER_STAR);
        ItemMeta nsmeta = netherstar.getItemMeta();
        nsmeta.setDisplayName(ChatColor.GRAY + "General TriSkull's Heart Trade");
        List<String> nslore = new ArrayList<String>();
        nslore.add(ChatColor.GREEN + "If General TriSkull's Heart is in your hand,");
        nslore.add(ChatColor.GREEN + "I'll trade for it!");
        nsmeta.setLore(nslore);
        netherstar.setItemMeta(nsmeta);
        shopInventory.setItem(5, netherstar);

        ItemStack skull = new ItemStack(Material.SKULL_ITEM);
        SkullMeta skullMeta = (SkullMeta) skull.getItemMeta();
        skull.setDurability((short) 3);
        skullMeta.setOwner("KingEnderman");
        skull.setItemMeta(skullMeta);
        ItemMeta skullIMeta = skull.getItemMeta();
        skullIMeta.setDisplayName(ChatColor.RED + "General Draco's Head");
        List<String> slore = new ArrayList<String>();
        slore.add(ChatColor.GREEN + "If General Draco's Head is in your hand,");
        slore.add(ChatColor.GREEN + "I'll trade for it!");
        skullMeta.setLore(slore);
        skull.setItemMeta(skullIMeta);
        shopInventory.setItem(3, skull);

        ItemStack dsword = new ItemStack(Material.DIAMOND_SWORD);
        ItemMeta dsmeta = dsword.getItemMeta();
        dsmeta.setDisplayName("" + ChatColor.GREEN + ChatColor.BOLD + "The Delta Sword");
        List<String> dslore = new ArrayList<String>();
        dslore.add(ChatColor.GOLD + "The Delta Sword contains the ancient ");
        dslore.add(ChatColor.GOLD + "forbidden power to damage a immortal.");
        dsmeta.setLore(dslore);
        dsword.setItemMeta(dsmeta);
        EnchantmentAPI.getEnchantment("Sharpness+").addToItem(dsword, 10);
        dsword.addUnsafeEnchantment(Enchantment.DURABILITY, 4);
        dsword.addUnsafeEnchantment(Enchantment.KNOCKBACK, 2);
        EnchantmentAPI.getEnchantment("Alpha's Blessing").addToItem(dsword, 1);
        shopInventory.setItem(38, dsword);

        ItemStack ahelmet = new ItemStack(Material.DIAMOND_HELMET);
        ItemMeta ahmeta = ahelmet.getItemMeta();
        ahmeta.setDisplayName(ChatColor.BLUE + "The Alpha's Helmet");
        List<String> ahlore = new ArrayList<String>();
        ahlore.add(ChatColor.GOLD + "A helmet blessed by the Alpha herself.");
        ahmeta.setLore(ahlore);
        ahelmet.setItemMeta(ahmeta);
        ahelmet.addUnsafeEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 19);
        ahelmet.addUnsafeEnchantment(Enchantment.DURABILITY, 4);
        EnchantmentAPI.getEnchantment("Alpha's Blessing").addToItem(ahelmet, 1);
        shopInventory.setItem(39, ahelmet);

        ItemStack achest = new ItemStack(Material.DIAMOND_CHESTPLATE);
        ItemMeta acmeta = achest.getItemMeta();
        acmeta.setDisplayName(ChatColor.BLUE + "The Alpha's Chestplate");
        List<String> aclore = new ArrayList<String>();
        aclore.add(ChatColor.GOLD + "A chestplate blessed by the Alpha herself.");
        acmeta.setLore(aclore);
        achest.setItemMeta(acmeta);
        achest.addUnsafeEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 19);
        achest.addUnsafeEnchantment(Enchantment.DURABILITY, 4);
        EnchantmentAPI.getEnchantment("Alpha's Blessing").addToItem(achest, 1);
        shopInventory.setItem(40, achest);

        ItemStack alegs = new ItemStack(Material.DIAMOND_LEGGINGS);
        ItemMeta almeta = alegs.getItemMeta();
        almeta.setDisplayName(ChatColor.BLUE + "The Alpha's Leggings");
        List<String> allore = new ArrayList<String>();
        allore.add(ChatColor.GOLD + "Leggings that are blessed by the Alpha herself.");
        almeta.setLore(allore);
        alegs.setItemMeta(almeta);
        alegs.addUnsafeEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 19);
        alegs.addUnsafeEnchantment(Enchantment.DURABILITY, 4);
        EnchantmentAPI.getEnchantment("Alpha's Blessing").addToItem(alegs, 1);
        shopInventory.setItem(41, alegs);

        ItemStack aboots = new ItemStack(Material.DIAMOND_BOOTS);
        ItemMeta abmeta = aboots.getItemMeta();
        abmeta.setDisplayName(ChatColor.BLUE + "The Alpha's Boots");
        List<String> ablore = new ArrayList<String>();
        ablore.add(ChatColor.GOLD + "A pair of boots blessed by the Alpha herself.");
        abmeta.setLore(ablore);
        aboots.setItemMeta(abmeta);
        aboots.addUnsafeEnchantment(Enchantment.PROTECTION_ENVIRONMENTAL, 19);
        aboots.addUnsafeEnchantment(Enchantment.DURABILITY, 4);
        EnchantmentAPI.getEnchantment("Alpha's Blessing").addToItem(aboots, 1);
        shopInventory.setItem(42, aboots);

    }

    @EventHandler
    public void inventoryClickEvent(InventoryClickEvent e){

        Player p = (Player) e.getWhoClicked();
        ItemStack clicked = e.getCurrentItem();
        Inventory inventory = e.getInventory();

        if(inventory.getName().equals(shopInventory.getName())){
            if(clicked.getType() != null || clicked.getType() != Material.AIR){

                e.setCancelled(true);

                Material type = clicked.getType();

                if(type == Material.DIAMOND_HELMET){
                    buyItem(p, clicked, 5000);
                }else if(type == Material.DIAMOND_CHESTPLATE){
                    buyItem(p, clicked, 8000);
                }else if(type == Material.DIAMOND_LEGGINGS){
                    buyItem(p, clicked, 7000);
                }else if(type == Material.DIAMOND_BOOTS){
                    buyItem(p, clicked, 4000);
                }else if(type == Material.DIAMOND_SWORD){
                    buyItem(p, clicked, 10000);
                }else if(type == Material.EXP_BOTTLE){
                    p.sendMessage(StoryCommand.alphatag + "You have " + Main.instance.getConfig().getLong(p.getUniqueId() + ".XPCurrency") + " XP Currnecy.");
                }else if(type == Material.SKULL_ITEM || type == Material.NETHER_STAR){
                    bossTrade(p, p.getItemInHand());
                }else if(type == Material.GOLD_HELMET){
                    buyItem(p, clicked, 2250);
                }else if(type == Material.GOLD_CHESTPLATE){
                    buyItem(p, clicked, 3950);
                }else if(type == Material.GOLD_LEGGINGS){
                    buyItem(p, clicked, 2950);
                }else if(type == Material.GOLD_BOOTS){
                    buyItem(p, clicked, 1800);
                }else if(type == Material.GOLD_SWORD){
                    buyItem(p, clicked, 4250);
                }else if(type == Material.CHAINMAIL_HELMET){
                    buyItem(p, clicked, 1550);
                }else if(type == Material.CHAINMAIL_CHESTPLATE){
                    buyItem(p, clicked, 3200);
                }else if(type == Material.CHAINMAIL_LEGGINGS){
                    buyItem(p, clicked, 2560);
                }else if(type == Material.CHAINMAIL_BOOTS){
                    buyItem(p, clicked, 1000);
                }else if(type == Material.IRON_SWORD){
                    if(clicked.getItemMeta().getDisplayName().equals(ChatColor.GOLD + "Alexander's Sword")){
                        buyItem(p, clicked, 3375);
                    }else{
                        buyItem(p, clicked, 325);
                    }
                }else if(type == Material.IRON_HELMET){
                    buyItem(p, clicked, 515);
                }else if(type == Material.IRON_CHESTPLATE){
                    buyItem(p, clicked, 1050);
                }else if(type == Material.IRON_LEGGINGS){
                    buyItem(p, clicked, 850);
                }else if(type == Material.IRON_BOOTS){
                    buyItem(p, clicked, 300);
                }else if(type == Material.LAPIS_ORE){
                    buyItem(p, clicked, 75);
                }

            }
        }

    }

    public void buyItem(Player p, ItemStack item, int price){
        long xpCurrency = Main.instance.getConfig().getLong(p.getUniqueId() + ".XPCurrency");
        if(xpCurrency < price){
            long remaining = price - xpCurrency;
            p.sendMessage(StoryCommand.alphatag + "I'm sorry, but you don't have enough XP Currency to buy this! You need " + ChatColor.AQUA + remaining + ChatColor.RED + " more XPCurrency to buy this!");
        }else{
            if(confirm_list.contains(p)){
                p.sendMessage(StoryCommand.alphatag + "Thank you for your purchase!");
                p.getInventory().addItem(item);
                Main.instance.getConfig().set(p.getUniqueId() + ".XPCurrency", xpCurrency - price);
                p.closeInventory();
                confirm_list.remove(p);
            }else if(!confirm_list.contains(p)){
                p.sendMessage(StoryCommand.alphatag + "You chose the " + item.getItemMeta().getDisplayName() + ChatColor.RESET + ChatColor.GREEN + " which is priced at " + ChatColor.AQUA + price + " Currency XP" + ChatColor.GREEN + ".");
                p.sendMessage(StoryCommand.alphatag + "Are you sure you want to do this? If you are, click this item again. If you don't, exit the inventory.");
                confirm_list.add(p);
            }
        }
    }

    public void bossTrade(Player p, ItemStack item){
        if(item.getType() == Material.NETHER_STAR){
            if(EnchantmentAPI.itemHasEnchantment(item, "Evil Aura")){
                if(triskull_confirm_list.contains(p)){
                    p.getInventory().removeItem(item);
                    Main.instance.getConfig().set(p.getUniqueId() + ".XPCurrency", Main.instance.getConfig().getLong(p.getUniqueId() + ".XPCurrency") + 100);
                    Main.instance.saveConfig();
                    Main.instance.reloadConfig();
                    p.sendMessage(StoryCommand.alphatag + "Thank you for the heart. Here's your XPCurrency. Pleasure doing business with you.");
                }else{
                    triskull_confirm_list.add(p);
                    p.sendMessage(StoryCommand.alphatag + "You have General TriSkull's heart? Very impressive. If you allow me, I'll buy it for 100 XPCurrency.");
                    p.sendMessage(StoryCommand.alphatag + "If you want me to buy it, click the Nether Star again. If not, close the inventory.");
                }
            }else{
                p.sendMessage(StoryCommand.alphatag + "I'm sorry, but this is not General TriSkull's heart. Yet it seems... similar.");
            }
        }else if(item.getType() == Material.SKULL_ITEM){
            if(EnchantmentAPI.itemHasEnchantment(item, "Evil Aura")){
                if(draco_confirm_list.contains(p)){
                    p.getInventory().removeItem(item);
                    Main.instance.getConfig().set(p.getUniqueId() + ".XPCurrency", Main.instance.getConfig().getLong(p.getUniqueId() + ".XPCurrency") + 250);
                    Main.instance.saveConfig();
                    Main.instance.reloadConfig();
                    p.sendMessage(StoryCommand.alphatag + "Thank you for the head. Here's your XPCurrency. Pleasure doing business with you.");
                }else{
                    draco_confirm_list.add(p);
                    p.sendMessage(StoryCommand.alphatag + "You have General Draco's head? I'm astonished! If you allow me, I'll buy it for 250 XPCurrency.");
                    p.sendMessage(StoryCommand.alphatag + "If you want me to buy it, click General Draco's head again. If not, close the inventory.");
                }
            }else{
                p.sendMessage(StoryCommand.alphatag + "I'm sorry, but this is not General Draco's head.");
            }
        }else{
            p.sendMessage(StoryCommand.alphatag + "I'm sorry, but you don't have General TriSkull's heart or General Draco's head!");
        }
    }

    public static ItemStack createItem(Material type, String name, boolean hasLore, List<String> lore){
        ItemStack item = new ItemStack(type);
        ItemMeta imeta = item.getItemMeta();
        imeta.setDisplayName(name);
        if(hasLore == true){
            imeta.setLore(lore);
        }
        item.setItemMeta(imeta);
        return item;
    }

    @EventHandler
    public void inventoryClose(InventoryCloseEvent e){
        if(e.getInventory().getName().equals(shopInventory.getName())){
            Player p = (Player) e.getPlayer();
            if(confirm_list.contains(p)){
                confirm_list.remove(p);
            }
            if(draco_confirm_list.contains(p)){
                draco_confirm_list.remove(p);
            }
            if(triskull_confirm_list.contains(p)){
                triskull_confirm_list.remove(p);
            }
        }
    }

}