using UnityEngine;

namespace BaseGames.Camera
{
    /// <summary>
    /// 相机区域切换触发器。玩家进入时通知 CameraStateController 切换到目标房间相机。
    /// [ExecuteAlways] 确保编辑器中 Gizmo 立即更新。
    /// </summary>
    [ExecuteAlways]
    [RequireComponent(typeof(BoxCollider2D))]
    public class CameraTriggerZone : MonoBehaviour
    {
        [SerializeField] private RoomCamera _targetCamera;
        [SerializeField] private string     _playerTag = "Player";

        private BoxCollider2D _collider;

        private void Awake()
        {
            _collider = GetComponent<BoxCollider2D>();
            _collider.isTrigger = true;
        }

        private void OnTriggerEnter2D(Collider2D other)
        {
            if (!Application.isPlaying) return;
            if (!other.CompareTag(_playerTag)) return;
            if (_targetCamera != null)
                CameraStateController.Instance?.SwitchRoom(_targetCamera);
        }

        private void OnDrawGizmos()
        {
            if (_collider == null) _collider = GetComponent<BoxCollider2D>();
            Gizmos.color = new Color(0.2f, 0.8f, 1f, 0.25f);
            Gizmos.matrix = transform.localToWorldMatrix;
            Gizmos.DrawCube(_collider.offset, _collider.size);
            Gizmos.color = new Color(0.2f, 0.8f, 1f, 0.8f);
            Gizmos.DrawWireCube(_collider.offset, _collider.size);
        }
    }
}