using Core;
using UnityEngine;

namespace Minigames.DivingForPictures
{
    /// <summary>
    /// Collision behavior that handles damage from mobile obstacles.
    /// Uses trigger-based collision detection with shared immunity state.
    /// </summary>
    public class ObstacleCollision : PlayerCollisionBehavior
    {
        protected override void OnEnable()
        {
            base.OnEnable();
            
            // Subscribe to immunity events
            OnImmunityStarted += HandleImmunityStarted;
            OnImmunityEnded += HandleImmunityEnded;
        }
        
        protected override void OnDisable()
        {
            // Unsubscribe from immunity events
            OnImmunityStarted -= HandleImmunityStarted;
            OnImmunityEnded -= HandleImmunityEnded;
            
            base.OnDisable();
        }
        
        protected override void HandleCollisionResponse(Collider2D obstacle)
        {
            // Check if the obstacle is on the ObstacleLayer
            if (obstacle.gameObject.layer != _devSettings.ObstacleLayer)
            {
                // If not on the obstacle layer, don't process the collision
                Logging.Debug($"[ObstacleCollision] Ignored collision with object on layer {obstacle.gameObject.layer} (expected {_devSettings.ObstacleLayer})");
                return;
            }
            
            // Mark the obstacle as having dealt damage to prevent multiple hits
            FloatingObstacle obstacleComponent = obstacle.GetComponent<FloatingObstacle>();
            if (obstacleComponent != null)
            {
                obstacleComponent.MarkDamageDealt();
            }
            
            Logging.Debug($"[ObstacleCollision] Player hit by obstacle {obstacle.gameObject.name}");
        }
        
        /// <summary>
        /// Handler for immunity started event - replaces OnImmunityStart method
        /// </summary>
        private void HandleImmunityStarted()
        {
            Logging.Debug($"[ObstacleCollision] Damage immunity started for {_gameSettings.DamageImmunityDuration} seconds");
            
            // Don't block input for obstacle damage - let player keep moving
            // The shared immunity system will handle the collision prevention
        }
        
        /// <summary>
        /// Handler for immunity ended event - replaces OnImmunityEnd method
        /// </summary>
        private void HandleImmunityEnded()
        {
            Logging.Debug($"[ObstacleCollision] Damage immunity ended");
            // No special handling needed - shared immunity system handles collider re-enabling
        }
    }
}