package me.luckyshotszzz.tutorial.commands;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.OfflinePlayer;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.SkullMeta;

import com.wasteofplastic.askyblock.events.IslandPostLevelEvent;

import net.md_5.bungee.api.ChatColor;

public class TopTenInventory
    implements Listener
{
    static Inventory topTenInv = Bukkit.createInventory(null, 36, ChatColor.translateAlternateColorCodes('&', "&b&l(!)&b Island Top"));

    public static void openInventory(Player p) {
        p.sendMessage(ChatColor.translateAlternateColorCodes('&', "&e&l(!) &eOpening island top"));
        p.sendMessage(ChatColor.translateAlternateColorCodes('&', "&7Not updated? Do &n/is level"));
        p.openInventory(topTenInv);
    }

    private static void setupInventory() {
        ItemStack itemStack = new ItemStack(Material.STAINED_GLASS_PANE, 1, (short)15);
        for (int i = 0; i <= 8; i++) {
            topTenInv.setItem(i, itemStack);
            topTenInv.setItem(i + 27, itemStack);
        }
        topTenInv.setItem(9, itemStack); topTenInv.setItem(10, itemStack);
        topTenInv.setItem(16, itemStack); topTenInv.setItem(17, itemStack);

        topTenInv.setItem(18, itemStack); topTenInv.setItem(19, itemStack);
        topTenInv.setItem(25, itemStack); topTenInv.setItem(26, itemStack);
    }

    private static void AddSkullGUI(OfflinePlayer p, int position, Map.Entry<UUID, Integer> asp)
    {
        ItemStack head = new ItemStack(Material.SKULL_ITEM, 1, (short)3);
        SkullMeta skullMeta = (SkullMeta)head.getItemMeta();
        skullMeta.setOwner(p.getName());
        skullMeta.setDisplayName(ChatColor.translateAlternateColorCodes('&', "&b&l(!) &bIsland Top &7(#" + position + ")"));

        List<String> lore = new ArrayList<String>();
        List<UUID> team = new ArrayList<UUID>();
        team = com.wasteofplastic.askyblock.ASkyBlockAPI.getInstance().getTeamMembers(asp.getKey());
        lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bPlace &7#" + position));
        lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bIsland Level &7" + asp.getValue()));

        if(team.size() == 0)
        {
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bStatus &fSolo"));
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bTeam Size&7 1"));
            lore.add(" ");
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bMember:"));

            if(Bukkit.getOfflinePlayer(asp.getKey()).isOnline()) { lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &a&l♦♦ &7" + Bukkit.getOfflinePlayer(asp.getKey()).getName())); }
            else { lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &c&l♦♦ &7" + Bukkit.getOfflinePlayer(asp.getKey()).getName())); }
        }
        else {
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bStatus &fTeam"));
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bTeam Size &7" + team.size()));
            lore.add(" ");
            lore.add(ChatColor.translateAlternateColorCodes('&', "&3&l* &bMembers:"));

            if(Bukkit.getOfflinePlayer(asp.getKey()).isOnline()) { lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &a&l♦♦ &7" + Bukkit.getOfflinePlayer(asp.getKey()).getName())); }
            else { lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &c&l♦♦ &7" + Bukkit.getOfflinePlayer(asp.getKey()).getName())); }

            for(int i = 0 ; i < team.size() ; i++)
            {
                if(Bukkit.getOfflinePlayer(team.get(i)) != Bukkit.getOfflinePlayer(asp.getKey()))
                {
                    if(Bukkit.getOfflinePlayer(team.get(i)).isOnline()) {
                        lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &a&l♦ &7" + Bukkit.getOfflinePlayer(team.get(i)).getName()));
                    }
                    else {
                        lore.add(ChatColor.translateAlternateColorCodes('&', "&f- &c&l♦ &7" + Bukkit.getOfflinePlayer(team.get(i)).getName()));
                    }
                }
            }
        }
        lore.add(" ");
        skullMeta.setLore(lore);
        head.setItemMeta(skullMeta);

        if(position < 6)
        {
            topTenInv.setItem(position + 10, head);
        }
        else {
            topTenInv.setItem(position + 14, head);
        }
    }

    private static <K, V extends Comparable<? super V>> Map<K, V> sortByValue(Map<K, V> unsortedMap) {
        List<Map.Entry<K, V>> list = new LinkedList<Map.Entry<K, V>>(unsortedMap.entrySet());
        Collections.sort(list, new Comparator<Map.Entry<K, V>>() {
            public int compare(Map.Entry<K, V> obj1, Map.Entry<K, V> obj2) {
                return (obj2.getValue()).compareTo(obj1.getValue());
            }
        });
        Map<K, V> sortedMap = new LinkedHashMap<K, V>();
        for (Map.Entry<K, V> entry : list) {
            sortedMap.put(entry.getKey(), entry.getValue());
        }
        return sortedMap;
    }

    @EventHandler
    public void onClick(InventoryClickEvent e)
    {
        if ((e.getClickedInventory() != null) && (e.getClickedInventory().getName() != null) && (e.getClickedInventory().getName().equalsIgnoreCase(ChatColor.translateAlternateColorCodes('&', "&b&l(!)&b Island Top")))) {
            e.setCancelled(true);
            }
    }

    @EventHandler(priority=EventPriority.NORMAL, ignoreCancelled=true)
    public void onNewLevel(IslandPostLevelEvent e)
    {
        setupInventory();
        @SuppressWarnings("deprecation")
        Map<UUID, Integer> topTen = sortByValue(com.wasteofplastic.askyblock.ASkyBlockAPI.getInstance().getTopTen());
        int count = 1;
        for (Map.Entry<UUID, Integer> entry : topTen.entrySet())
        {
            AddSkullGUI(Bukkit.getOfflinePlayer(entry.getKey()), count, entry);

          if (count++ == 10) {
            break;
          }
        }
    }
}