using UnityEngine;

namespace Minigames.BirdPooper
{
    /// <summary>
    /// Listens to BirdPlayerController flap events and triggers wing flap animation.
    /// Uses Animator with a trigger parameter to play flap animation from idle state.
    /// </summary>
    public class BirdFlapAnimator : MonoBehaviour
    {
        [SerializeField] private Animator animator;
        [Tooltip("Name of the trigger parameter in the Animator")]
        [SerializeField] private string flapTriggerName = "Flap";
        
        private BirdPlayerController birdController;

        void Awake()
        {
            // Auto-assign animator component if not set
            if (animator == null)
            {
                animator = GetComponent<Animator>();
                if (animator == null)
                {
                    Debug.LogError("[BirdFlapAnimator] No Animator component found! Please add an Animator component or assign one in the Inspector.");
                }
            }
            
            // Find parent BirdPlayerController
            birdController = GetComponentInParent<BirdPlayerController>();
            if (birdController == null)
            {
                Debug.LogError("[BirdFlapAnimator] No BirdPlayerController found in parent! This component must be a child of the bird GameObject.");
            }
        }

        void OnEnable()
        {
            // Subscribe to flap event
            if (birdController != null && birdController.OnFlap != null)
            {
                birdController.OnFlap.AddListener(OnBirdFlapped);
                Debug.Log("[BirdFlapAnimator] Subscribed to OnFlap event");
            }
        }

        void OnDisable()
        {
            // Unsubscribe from flap event
            if (birdController != null && birdController.OnFlap != null)
            {
                birdController.OnFlap.RemoveListener(OnBirdFlapped);
            }
        }

        /// <summary>
        /// Called when the bird flaps. Triggers the flap animation.
        /// </summary>
        private void OnBirdFlapped()
        {
            if (animator == null) return;

            // Trigger the flap animation
            animator.SetTrigger(flapTriggerName);
            Debug.Log($"[BirdFlapAnimator] Triggered animation: {flapTriggerName}");
        }
    }
}