package de.fanta.challenges.guis.challengesettingsguis;

import de.fanta.challenges.Challenges;
import de.fanta.challenges.guis.settingsgui.OtherSettingsGui;
import de.fanta.challenges.utils.ChatUtil;
import de.fanta.challenges.utils.Config;
import de.fanta.challenges.utils.guiutils.GUIUtils;
import de.iani.cubesideutils.bukkit.inventory.AbstractWindow;
import de.iani.cubesideutils.bukkit.items.CustomHeads;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

public class BackPackSettingsGui extends AbstractWindow {
    private static final Challenges plugin = Challenges.getPlugin();

    private static final int ADD_SIZE_INDEX = 2;
    private static final int SIZE_INDEX = 5;
    private static final int REMOVE_SIZE_INDEX = 8;

    private static final int BACK_INDEX = 6;

    public BackPackSettingsGui(Player player) {
        super(player, Bukkit.createInventory(player, InventoryType.DISPENSER, plugin.getGUIPREFIX() + " >> Backpack Settings"));
    }

    @Override
    public void onItemClicked(InventoryClickEvent event) {
        if (!mayAffectThisInventory(event)) {
            return;
        }

        event.setCancelled(true);
        if (!getInventory().equals(event.getClickedInventory())) {
            return;
        }

        int slot = event.getSlot();
        int size = plugin.getBackpack().getSize() / 9;
        switch (slot) {
            case ADD_SIZE_INDEX -> {
                if (size <= 5) {
                    size++;
                    Config.setValue("backpack_size", size);
                    plugin.getBackpack().resize(size * 9);
                    rebuildInventory();
                }
            }
            case REMOVE_SIZE_INDEX -> {
                if (size > 1) {
                    size--;
                    Config.setValue("backpack_size", size);
                    plugin.getBackpack().resize(size * 9);
                    rebuildInventory();
                }
            }
            case BACK_INDEX -> new OtherSettingsGui(getPlayer()).open();
            default -> {
            }
        }
    }

    @Override
    protected void rebuildInventory() {
        for (int i = 0; i < 9; i++) {
            ItemStack item;
            int size = plugin.getBackpack().getSize() / 9;
            switch (i) {
                case ADD_SIZE_INDEX -> item = CustomHeads.RAINBOW_ARROW_UP.getHead(ChatUtil.GREEN + "Größe +1");
                case REMOVE_SIZE_INDEX -> item = CustomHeads.RAINBOW_ARROW_DOWN.getHead(ChatUtil.RED + "Größe -1");

                case SIZE_INDEX -> {
                    ItemStack stack = new ItemStack(Material.STRUCTURE_VOID, size);
                    ItemMeta meta = stack.getItemMeta();
                    meta.setDisplayName(ChatUtil.GREEN + "Rucksack größe: " + size + "/6");
                    stack.setItemMeta(meta);
                    item = stack;
                }
                case BACK_INDEX -> item = CustomHeads.RAINBOW_ARROW_BACKWARD_II.getHead(ChatUtil.GREEN + "Zurück");
                default -> item = GUIUtils.EMPTY_ICON;
            }
            this.getInventory().setItem(i, item);
        }
    }
}