using UnityEngine;
using BaseGames.Core;

namespace BaseGames.Camera
{
    /// <summary>
    /// 相机区域切换触发器。玩家进入时通知 <see cref="CameraStateController"/> 切换到目标 <see cref="CameraArea"/>。
    /// </summary>
    [ExecuteAlways]
    [RequireComponent(typeof(BoxCollider2D))]
    public class CameraTriggerZone : MonoBehaviour
    {
        [SerializeField] private CameraArea _targetArea;
        [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;

            var service = ServiceLocator.GetOrDefault<ICameraService>();
            if (service == null) return;

            if (_targetArea != null)
                service.SwitchArea(_targetArea);
        }

        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);
        }
    }
}