// Assets/ShiroginSDK/Runtime/Data/InventoryData.cs

using System;
using System.Collections.Generic;
using ShiroginSDK.Runtime.Modules.Data.Scripts.Enums;
using ShiroginSDK.Runtime.Modules.Data.Scripts.Models;
using UnityEngine;

namespace ShiroginSDK.Runtime.Modules.Data.Scripts
{
    [Serializable]
    public class InventoryData : BaseData
    {
        public List<OwnedItem> Items = new();
        public List<int> UnlockedCharacters = new();
        protected override string PrefsKey => "INVENTORY_DATA";

        private OwnedItem FindItem(string itemId)
        {
            return Items.Find(i => i.ItemId == itemId);
        }

        public int GetItemCount(string itemId)
        {
            return FindItem(itemId)?.Quantity ?? 0;
        }

        public bool HasItem(string itemId, int amount = 1)
        {
            return GetItemCount(itemId) >= amount;
        }

        public void AddItem(string itemId, ItemType type, int amount = 1)
        {
            if (amount <= 0) return;
            var item = FindItem(itemId);
            if (item == null)
                Items.Add(new OwnedItem(itemId, type, amount));
            else
                item.Quantity += amount;
            Save();
        }

        public bool RemoveItem(string itemId, int amount = 1)
        {
            if (amount <= 0) return false;
            var item = FindItem(itemId);
            if (item == null || item.Quantity < amount) return false;

            item.Quantity -= amount;
            if (item.Quantity <= 0)
                Items.Remove(item);

            Save();
            return true;
        }

        public void SetItemCount(string itemId, ItemType type, int newCount)
        {
            newCount = Mathf.Max(0, newCount);
            var item = FindItem(itemId);
            if (item == null)
            {
                if (newCount > 0) Items.Add(new OwnedItem(itemId, type, newCount));
            }
            else
            {
                item.Quantity = newCount;
                if (item.Quantity == 0) Items.Remove(item);
            }

            Save();
        }

        // Karakter
        public bool UnlockCharacter(int characterId)
        {
            if (UnlockedCharacters.Contains(characterId)) return false;
            UnlockedCharacters.Add(characterId);
            Save();
            return true;
        }

        public bool IsCharacterUnlocked(int characterId)
        {
            return UnlockedCharacters.Contains(characterId);
        }
    }
}