package Sdf1_login;

import org.bukkit.inventory.ItemStack;
import org.bukkit.util.io.BukkitObjectInputStream;
import org.bukkit.util.io.BukkitObjectOutputStream;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Base64;

public class InventorySerializer {

    public static String toBase64(ItemStack[] items) throws IOException {
        try {
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            BukkitObjectOutputStream dataOutput = new BukkitObjectOutputStream(outputStream);
            dataOutput.writeInt(items.length);
            for (ItemStack item : items) {
                dataOutput.writeObject(item);
            }
            dataOutput.close();
            return Base64.getEncoder().encodeToString(outputStream.toByteArray());
        } catch (Exception e) {
            throw new IOException("Unable to serialize item stacks.", e);
        }
    }

    public static ItemStack[] fromBase64(String data) throws IOException {
        if (data == null || data.isEmpty()) {
            return new ItemStack[0];
        }
        try {
            ByteArrayInputStream inputStream = new ByteArrayInputStream(Base64.getDecoder().decode(data));
            BukkitObjectInputStream dataInput = new BukkitObjectInputStream(inputStream);
            ItemStack[] items = new ItemStack[dataInput.readInt()];
            for (int i = 0; i < items.length; i++) {
                items[i] = (ItemStack) dataInput.readObject();
            }
            dataInput.close();
            return items;
        } catch (ClassNotFoundException e) {
            throw new IOException("Unable to deserialize item stacks.", e);
        }
    }
}