using System;
using UnityEngine;

namespace Script.Gameplay.Facility
{
    public class TransportController : BaseFacilityController
    {
        [Header("传送器设置")]
        [SerializeField] private Transform destinationPoint;
        [SerializeField] private string playerTag = "Player";
        [SerializeField] private float transportDelay = 0.1f;

        [Header("检测区域参数")]
        [SerializeField] private float detectRadius = 1.0f;
        [SerializeField] private float detectHeight = 2.0f;
        [SerializeField] private LayerMask playerLayer;

        private bool canTransport = false;
        private bool isTransporting = false;
        private Collider[] hits;

        // 接收信号，决定是否允许传送
        public override void OnSignalReceived(bool active, GameObject sender)
        {
            base.OnSignalReceived(active, sender);
            canTransport = active;
        }

        // Update is called once per frame
        private void FixedUpdate()
        {
            if (!isOpenInEditor || !canTransport || destinationPoint == null) return;
            hits = Physics.OverlapCapsule(
                GetCapsuleStart(), GetCapsuleEnd(), detectRadius, playerLayer);
        }

        private void Update()
        {
            if (!isOpenInEditor || !canTransport || destinationPoint == null || hits == null) return;
            foreach (var hit in hits)
            {
                if (hit.CompareTag(playerTag) && !isTransporting)
                {
                    StartCoroutine(TransportPlayer(hit.gameObject));
                    break;
                }
            }
        }

        private Vector3 GetCapsuleStart()
        {
            return transform.position + Vector3.up * 0.1f;
        }

        private Vector3 GetCapsuleEnd()
        {
            return transform.position + Vector3.up * detectHeight;
        }

        private System.Collections.IEnumerator TransportPlayer(GameObject player)
        {
            isTransporting = true;
            yield return new WaitForSeconds(transportDelay);
            player.transform.position = destinationPoint.position;
            isTransporting = false;
        }

#if UNITY_EDITOR
        private void OnDrawGizmosSelected()
        {
            Gizmos.color = Color.cyan;
            Vector3 start = GetCapsuleStart();
            Vector3 end = GetCapsuleEnd();
            Gizmos.DrawWireSphere(start, detectRadius);
            Gizmos.DrawWireSphere(end, detectRadius);
            Gizmos.DrawLine(start + Vector3.forward * detectRadius, end + Vector3.forward * detectRadius);
            Gizmos.DrawLine(start - Vector3.forward * detectRadius, end - Vector3.forward * detectRadius);
            Gizmos.DrawLine(start + Vector3.right * detectRadius, end + Vector3.right * detectRadius);
            Gizmos.DrawLine(start - Vector3.right * detectRadius, end - Vector3.right * detectRadius);
        }
#endif
    }
}