using Core.Lifecycle;
using Data.CardSystem;
using Pixelplacement;
using Pixelplacement.TweenSystem;
using TMPro;
using UnityEngine;

namespace UI.CardSystem
{
    /// <summary>
    /// Manages a notification dot that displays a count (e.g., booster packs)
    /// Can be reused across different UI elements that need to show numeric notifications
    /// Automatically syncs with CardSystemManager to display booster pack count
    /// </summary>
    public class BoosterNotificationDot : ManagedBehaviour
    {
        [Header("UI References")]
        [SerializeField] private GameObject dotBackground;
        [SerializeField] private TextMeshProUGUI countText;
        
        [Header("Settings")]
        [SerializeField] private bool hideWhenZero = true;
        [SerializeField] private bool useAnimation = false;
        [SerializeField] private string textPrefix = "";
        [SerializeField] private string textSuffix = "";
        [SerializeField] private Color textColor = Color.white;
        
        [Header("Animation")]
        [SerializeField] private bool useTween = true;
        [SerializeField] private float pulseDuration = 0.3f;
        [SerializeField] private float pulseScale = 1.2f;
        
        // Optional animator reference
        [SerializeField] private Animator animator;
        [SerializeField] private string animationTrigger = "Update";
        
        // Current count value
        private int _currentCount;
        private Vector3 _originalScale;
        
        private TweenBase _activeTween;
        
        internal override void OnManagedStart()
        {
            // Store original scale for pulse animation
            if (dotBackground != null)
            {
                _originalScale = dotBackground.transform.localScale;
            }
            
            // Apply text color
            if (countText != null)
            {
                countText.color = textColor;
            }
            
            // Subscribe to CardSystemManager events (managers are guaranteed to be initialized)
            if (CardSystemManager.Instance != null)
            {
                CardSystemManager.Instance.OnBoosterCountChanged += OnBoosterCountChanged;
                
                // Poll initial count and display it
                int initialCount = CardSystemManager.Instance.GetBoosterPackCount();
                SetCount(initialCount);
            }
            else
            {
                // If CardSystemManager isn't available yet, set to default count
                SetCount(_currentCount);
            }
        }
        
        protected override void OnDestroy()
        {
            // Unsubscribe from CardSystemManager events to prevent memory leaks
            if (CardSystemManager.Instance != null)
            {
                CardSystemManager.Instance.OnBoosterCountChanged -= OnBoosterCountChanged;
            }
            
            // Call base implementation
            base.OnDestroy();
        }
        
        /// <summary>
        /// Callback when booster count changes in CardSystemManager
        /// </summary>
        private void OnBoosterCountChanged(int newCount)
        {
            SetCount(newCount);
        }
        
        /// <summary>
        /// Sets the count displayed on the notification dot
        /// Also handles visibility based on settings
        /// </summary>
        public void SetCount(int count)
        {
            bool countChanged = count != _currentCount;
            _currentCount = count;
            
            // Update text
            if (countText != null)
            {
                countText.text = textPrefix + count.ToString() + textSuffix;
            }
            
            // Handle visibility
            if (hideWhenZero)
            {
                SetVisibility(count > 0);
            }
            
            // Play animation if value changed and animation is enabled
            if (countChanged && count > 0)
            {
                if (useAnimation)
                {
                    Animate();
                }
            }
        }
        
        /// <summary>
        /// Gets the current count value
        /// </summary>
        public int GetCount()
        {
            return _currentCount;
        }
        
        /// <summary>
        /// Set text formatting options
        /// </summary>
        public void SetFormatting(string prefix, string suffix, Color color)
        {
            textPrefix = prefix;
            textSuffix = suffix;
            textColor = color;
            
            if (countText != null)
            {
                countText.color = color;
                // Update text with new formatting
                countText.text = textPrefix + _currentCount.ToString() + textSuffix;
            }
        }
        
        /// <summary>
        /// Explicitly control the notification dot visibility
        /// </summary>
        public void SetVisibility(bool isVisible)
        {
            if (dotBackground != null)
            {
                dotBackground.SetActive(isVisible);
            }
            
            if (countText != null)
            {
                countText.gameObject.SetActive(isVisible);
            }
        }
        
        /// <summary>
        /// Show the notification dot
        /// </summary>
        public void Show()
        {
            SetVisibility(true);
        }
        
        /// <summary>
        /// Hide the notification dot
        /// </summary>
        public void Hide()
        {
            SetVisibility(false);
        }
        
        /// <summary>
        /// Play animation manually - either using Animator or Tween
        /// </summary>
        public void Animate()
        {
            if (useAnimation)
            {
                if (animator != null)
                {
                    animator.SetTrigger(animationTrigger);
                }
                else if (useTween && dotBackground != null)
                {
                    // Cancel any existing tweens on this transform
                    if(_activeTween != null)
                        _activeTween.Cancel();
                    
                    // Reset to original scale
                    dotBackground.transform.localScale = _originalScale;
                    
                    // Pulse animation using Tween
                    _activeTween = Tween.LocalScale(dotBackground.transform, 
                        _originalScale * pulseScale, 
                        pulseDuration/2, 
                        0, 
                        Tween.EaseOut, 
                        Tween.LoopType.None, 
                        null, 
                        () => {
                            // Scale back to original size
                            Tween.LocalScale(dotBackground.transform, 
                                _originalScale, 
                                pulseDuration/2, 
                                0, 
                                Tween.EaseIn);
                        },
                        obeyTimescale: false);
                }
            }
        }
    }
}