package dev.plex.menu;

import com.google.common.collect.Lists;
import dev.plex.Plex;
import dev.plex.cache.DataUtils;
import dev.plex.player.PlexPlayer;
import dev.plex.punishment.Punishment;
import dev.plex.util.PlexUtils;
import dev.plex.util.menu.AbstractMenu;
import java.util.Collections;
import java.util.List;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.format.NamedTextColor;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.OfflinePlayer;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.SkullMeta;

public class PunishedPlayerMenu extends AbstractMenu
{
    private final PlexPlayer punishedPlayer;

    private final List<Inventory> inventories = Lists.newArrayList();

    public PunishedPlayerMenu(PlexPlayer player)
    {
        super("§c§lPunishments");
        this.punishedPlayer = player;
        for (int i = 0; i <= punishedPlayer.getPunishments().size() / 53; i++)
        {
            Inventory inventory = Bukkit.createInventory(null, 54, PlexUtils.mmDeserialize("Punishments Page " + (i + 1)));
            ItemStack nextPage = new ItemStack(Material.FEATHER);
            ItemMeta meta = nextPage.getItemMeta();
            meta.displayName(Component.text("Next Page").color(NamedTextColor.LIGHT_PURPLE));
            nextPage.setItemMeta(meta);

            ItemStack previousPage = new ItemStack(Material.FEATHER);
            ItemMeta meta2 = previousPage.getItemMeta();
            meta2.displayName(Component.text("Next Page").color(NamedTextColor.LIGHT_PURPLE));
            previousPage.setItemMeta(meta2);

            ItemStack back = new ItemStack(Material.BARRIER);
            ItemMeta meta3 = back.getItemMeta();
            meta3.displayName(Component.text("Next Page").color(NamedTextColor.LIGHT_PURPLE));
            back.setItemMeta(meta3);

            inventory.setItem(50, nextPage);
            inventory.setItem(49, back);
            inventory.setItem(48, previousPage);
            inventories.add(inventory);
        }
    }

    public List<Inventory> getInventory()
    {
        return inventories;
    }

    public void openInv(Player player, int index)
    {
        int currentItemIndex = 0;
        int currentInvIndex = 0;
        for (Punishment punishment : punishedPlayer.getPunishments())
        {
            Inventory inv = inventories.get(currentInvIndex);
            if (currentInvIndex > inventories.size() - 1)
            {
                break;
            }

            if (currentItemIndex == inv.getSize() - 1)
            {
                currentInvIndex++;
                currentItemIndex = 0;
                inv = inventories.get(currentInvIndex);
            }


            ItemStack item = new ItemStack(Material.NETHER_STAR);
            ItemMeta meta = item.getItemMeta();
            meta.displayName(Component.text(punishment.getType().name().toUpperCase()).color(NamedTextColor.RED));
            meta.lore(Collections.singletonList(Component.text("Reason: ").color(NamedTextColor.YELLOW).append(Component.newline()).append(Component.text(punishment.getReason()).color(NamedTextColor.GRAY))));
            item.setItemMeta(meta);

            inv.setItem(currentItemIndex, item);

            currentItemIndex++;
        }
        player.openInventory(inventories.get(index));
    }

    @EventHandler
    public void onClick(InventoryClickEvent event)
    {
        if (event.getClickedInventory() == null)
        {
            return;
        }
        Inventory inv = event.getClickedInventory();
        if (!isValidInventory(inv))
        {
            return;
        }
        if (event.getCurrentItem() == null)
        {
            return;
        }
        ItemStack item = event.getCurrentItem();
        if (!item.hasItemMeta())
        {
            return;
        }
        if (!item.getItemMeta().hasDisplayName())
        {
            return;
        }
        event.setCancelled(true);
        if (item.getType() == Material.FEATHER)
        {
            if (item.getItemMeta().displayName().equals(Component.text("Next Page").color(NamedTextColor.LIGHT_PURPLE)))
            {
                if (getCurrentInventoryIndex(inv) + 1 > inventories.size() - 1)
                {
                    return;
                }
                if (inventories.get(getCurrentInventoryIndex(inv) + 1).getContents().length == 0)
                {
                    return;
                }
                openInv((Player)event.getWhoClicked(), getCurrentInventoryIndex(inv) + 1);
            }
            else if (item.getItemMeta().displayName().equals(Component.text("Previous Page").color(NamedTextColor.LIGHT_PURPLE)))
            {
                if (getCurrentInventoryIndex(inv) - 1 < 0)
                {
                    return;
                }
                if (getCurrentInventoryIndex(inv) - 1 > inventories.size() - 1)
                {
                    return;
                }
                if (inventories.get(getCurrentInventoryIndex(inv) - 1).getContents().length == 0)
                {
                    return;
                }
                openInv((Player)event.getWhoClicked(), getCurrentInventoryIndex(inv) - 1);
            }

        }
        else if (item.getType() == Material.BARRIER)
        {
            new PunishmentMenu().openInv((Player)event.getWhoClicked(), 0);
        }
        else if (item.getType() == Material.PLAYER_HEAD)
        {
            SkullMeta meta = (SkullMeta)item.getItemMeta();
            OfflinePlayer player = meta.getOwningPlayer();
            assert player != null;
            PlexPlayer punishedPlayer = DataUtils.getPlayer(player.getUniqueId()) == null ? null : Plex.get().getPlayerCache().getPlexPlayer(player.getUniqueId());
            if (punishedPlayer == null)
            {
                event.getWhoClicked().sendMessage(ChatColor.RED + "This player does not exist. Try doing /punishments <player> instead.");
                event.getWhoClicked().closeInventory();
                return;
            }

        }

    }

    public int getCurrentInventoryIndex(Inventory inventory)
    {
        for (int i = 0; i <= inventories.size() - 1; i++)
        {
            if (inventories.get(i).hashCode() == inventory.hashCode())
            {
                return i;
            }
        }
        return 0;
    }

    private boolean isValidInventory(Inventory inventory)
    {
        return inventories.contains(inventory);
    }
}