using System;
using AppleHills.Data.CardSystem;
using Core.SaveLoad;
using UnityEngine;

namespace UI.CardSystem.StateMachine
{
    /// <summary>
    /// Shared context for card states.
    /// Provides access to common components and data that states need.
    /// </summary>
    public class CardContext : MonoBehaviour
    {
        [Header("Core Components")]
        [SerializeField] private CardDisplay cardDisplay;
        [SerializeField] private CardAnimator cardAnimator;
        private AppleMachine stateMachine;
        
        [Header("Card Data")]
        private CardData cardData;
        
        // Public accessors
        public CardDisplay CardDisplay => cardDisplay;
        public CardAnimator Animator => cardAnimator;
        public AppleMachine StateMachine => stateMachine;
        public Transform RootTransform => transform;
        public CardData CardData => cardData;
        
        // Runtime state
        public bool IsNewCard { get; set; }
        public int RepeatCardCount { get; set; }
        public bool IsClickable { get; set; } = true;
        
        // Events for external coordination (BoosterOpeningPage, etc.)
        public event Action<CardContext> OnFlipComplete;
        public event Action<CardContext> OnCardDismissed;
        public event Action<CardContext> OnCardInteractionComplete;
        public event Action<CardContext> OnUpgradeTriggered;
        
        // Helper methods for states
        public void FireFlipComplete() => OnFlipComplete?.Invoke(this);
        public void FireCardDismissed() => OnCardDismissed?.Invoke(this);
        public void FireCardInteractionComplete() => OnCardInteractionComplete?.Invoke(this);
        public void FireUpgradeTriggered() => OnUpgradeTriggered?.Invoke(this);
        
        private void Awake()
        {
            // Auto-find components if not assigned
            if (cardDisplay == null)
                cardDisplay = GetComponentInChildren<CardDisplay>();
            
            if (cardAnimator == null)
                cardAnimator = GetComponent<CardAnimator>();
            
            if (stateMachine == null)
                stateMachine = GetComponentInChildren<AppleMachine>();
        }
        
        /// <summary>
        /// Setup the card with data
        /// </summary>
        public void SetupCard(CardData data, bool isNew = false, int repeatCount = 0)
        {
            cardData = data;
            IsNewCard = isNew;
            RepeatCardCount = repeatCount;
            
            if (cardDisplay != null)
            {
                cardDisplay.SetupCard(data);
            }
        }
        
        /// <summary>
        /// Get the card display component
        /// </summary>
        public CardDisplay GetCardDisplay() => cardDisplay;
    }
}