using AppleHills.Data.CardSystem;
using UI.DragAndDrop.Core;
using UnityEngine;

namespace UI.CardSystem
{
    /// <summary>
    /// Specialized slot for album pages that only accepts a specific card.
    /// Validates cards based on their CardDefinition.
    /// </summary>
    public class AlbumCardSlot : DraggableSlot
    {
        [Header("Album Slot Configuration")]
        [SerializeField] private CardDefinition targetCardDefinition; // Which card this slot accepts
        
        private bool _isOccupiedPermanently = false;
        
        /// <summary>
        /// Set the target card this slot should accept
        /// </summary>
        public void SetTargetCard(CardDefinition definition)
        {
            targetCardDefinition = definition;
        }
        
        /// <summary>
        /// Check if this slot can accept a specific card
        /// </summary>
        public bool CanAcceptCard(CardData cardData)
        {
            if (cardData == null || targetCardDefinition == null) return false;
            if (_isOccupiedPermanently) return false;
            
            // Card must match this slot's target definition
            return cardData.DefinitionId == targetCardDefinition.Id;
        }
        
        /// <summary>
        /// Called when a card is successfully placed in this slot
        /// </summary>
        public void OnCardPlaced()
        {
            _isOccupiedPermanently = true;
        }
        
        /// <summary>
        /// Check if this slot has been permanently filled
        /// </summary>
        public bool IsOccupiedPermanently => _isOccupiedPermanently;
        
        /// <summary>
        /// Get the target card definition for this slot
        /// </summary>
        public CardDefinition TargetCardDefinition => targetCardDefinition;
    }
}