using System;
using System.Collections.Generic;
using DefaultNamespace;
using UnityEngine;

namespace Deck
{
    public class Deck : MonoBehaviour
    {
        [SerializeField] private DeckData deckData;

        public event Action CardDrawn;
        public event Action CardAdded;
        public event Action Shuffled;
        
        private Stack<CardData> _cards = new Stack<CardData>();

        private void Awake()
        {
            foreach (CardData cardData in deckData.Cards)
            {
                _cards.Push(cardData);
                _cards.Shuffle();
            }
        }

        private void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                Shuffle();
            }
        }

        public bool DrawCard(out CardData card)
        {
            if (_cards.Count > 0)
            {
                card = _cards.Pop();
                CardDrawn?.Invoke();
                return true;
            }
            else
            {
                card = null;
                return false;
            }
        }

        public void Shuffle()
        {
            _cards.Shuffle();
            Shuffled?.Invoke();
        }

        public void AddCard(CardData card)
        {
            _cards.Push(card);
            CardAdded?.Invoke();
        }

        public void AddCards(CardData[] cards)
        {
            foreach (CardData card in cards)
            {
                _cards.Push(card);
            }
        }

        public int GetCardCount()
        {
            return _cards.Count;
        }

        public Sprite GetCardBack()
        {
            return deckData.cardBack;
        }
    }
}