using UnityEngine;
using Unity.Cinemachine;

namespace BaseGames.Camera
{
    /// <summary>
    /// 单房间虚拟相机。激活时提升优先级，停用时降为 0。
    /// 挂载在每个房间的 CinemachineCamera GameObject 上。
    /// </summary>
    [RequireComponent(typeof(CinemachineCamera))]
    public class RoomCamera : MonoBehaviour
    {
        [Header("房间设置")]
        [SerializeField] private RoomVisibleArea    _visibleArea;
        [SerializeField] private Vector2            _cameraOffset = Vector2.zero;
        [SerializeField] private CameraBlendProfileSO _blendProfile;
        [SerializeField] private int                _activePriority = 15;

        private CinemachineCamera _vcam;

        private void Awake()  => _vcam = GetComponent<CinemachineCamera>();
        private void OnEnable()  => _vcam.Priority = _activePriority;
        private void OnDisable() => _vcam.Priority = 0;

        public PolygonCollider2D     ConfinerCollider => _visibleArea?.Collider;
        public Vector2               CameraOffset     => _cameraOffset;
        public CameraBlendProfileSO  BlendProfile     => _blendProfile;

        /// <summary>在 CameraStateController 管理的激活流程中调用。</summary>
        public void Activate()   => gameObject.SetActive(true);
        public void Deactivate() => gameObject.SetActive(false);
    }
}