AppleHillsProduction/Assets/Scripts/CardSystem/UI/Component/BookTabButton.cs

using System;
using AppleHills.Data.CardSystem;
using BookCurlPro;
using Core;
using UnityEngine;
using UnityEngine.UI;
using Tween = Pixelplacement.Tween;

namespace UI.CardSystem
{
    /// <summary>
    /// Tab button for navigating to specific pages in the card album book.
    /// Coordinates with other tabs via static events for visual feedback.
    /// </summary>
    [RequireComponent(typeof(Button))]
    public class BookTabButton : MonoBehaviour
    {
        [Header("Book Reference")]
        [SerializeField] private BookPro book;
        
        [Header("Tab Configuration")]
        [SerializeField] private int targetPage;
        [SerializeField] private CardZone zone;
        
        [Header("Visual Settings")]
        [SerializeField] private bool enableScaling = true;
        [SerializeField] private float selectedScale = 2.0f;
        [SerializeField] private float normalScale = 1.0f;
        [SerializeField] private float scaleTransitionDuration = 0.2f;
        
        private Button button;
        private RectTransform rectTransform;
        private Vector2 originalSize;
        
        // Static dispatcher for coordinating all tabs
        private static event Action<BookTabButton> OnTabClicked;
        
        // Public properties to access this tab's configuration
        public CardZone Zone => zone;
        public int TargetPage => targetPage;

        private void Awake()
        {
            // Get required components
            button = GetComponent<Button>();
            rectTransform = GetComponent<RectTransform>();
            
            // Cache original size
            originalSize = rectTransform.sizeDelta;
            
            // Register button click
            button.onClick.AddListener(OnButtonClicked);
            
            // Subscribe to static tab event
            OnTabClicked += OnAnyTabClicked;
        }

        private void OnDestroy()
        {
            // Cleanup listeners
            if (button != null)
            {
                button.onClick.RemoveListener(OnButtonClicked);
            }
            
            OnTabClicked -= OnAnyTabClicked;
        }

        private void OnButtonClicked()
        {
            if (book == null)
            {
                Logging.Warning($"[BookTabButton] No BookPro reference assigned on {gameObject.name}");
                return;
            }
            
            // Notify all tabs that this one was clicked
            OnTabClicked?.Invoke(this);
            
            // Flip to target page using AutoFlip
            BookCurlPro.AutoFlip autoFlip = book.GetComponent<BookCurlPro.AutoFlip>();
            if (autoFlip == null)
            {
                autoFlip = book.gameObject.AddComponent<BookCurlPro.AutoFlip>();
            }
            
            autoFlip.enabled = true;
            autoFlip.StartFlipping(targetPage);
        }

        private void OnAnyTabClicked(BookTabButton clickedTab)
        {
            // Skip scaling if disabled
            if (!enableScaling) return;
            
            // Scale this tab based on whether it was clicked
            if (clickedTab == this)
            {
                SetScale(selectedScale);
            }
            else
            {
                SetScale(normalScale);
            }
        }

        private void SetScale(float targetScale)
        {
            Vector2 targetSize = originalSize * targetScale;
            
            // Use Pixelplacement Tween for smooth size change
            Tween.Value(rectTransform.sizeDelta, targetSize, 
                (Vector2 value) => rectTransform.sizeDelta = value, 
                scaleTransitionDuration, 0f, Tween.EaseInOut);
        }

        // Public method to programmatically trigger this tab
        public void ActivateTab()
        {
            OnButtonClicked();
        }

#if UNITY_EDITOR
        private void OnValidate()
        {
            // Ensure target page is non-negative
            if (targetPage < 0)
            {
                targetPage = 0;
            }
        }
#endif
    }
}