using Unity.Netcode;
using UnityEngine;

namespace Northbound
{
    /// <summary>
    /// 건물에 데미지를 주는 테스트/공격 시스템
    /// </summary>
    public class BuildingDamageTest : MonoBehaviour
    {
        [Header("Damage Settings")]
        public int damageAmount = 10;
        public float damageInterval = 1f;
        public KeyCode damageKey = KeyCode.F;

        [Header("Target")]
        public float maxDistance = 10f;
        public LayerMask buildingLayer;

        private float _lastDamageTime;

        private void Update()
        {
            if (Input.GetKeyDown(damageKey))
            {
                TryDamageBuilding();
            }

            // 자동 데미지 (테스트용)
            if (Input.GetKey(KeyCode.LeftShift) && Input.GetKey(damageKey))
            {
                if (Time.time - _lastDamageTime >= damageInterval)
                {
                    TryDamageBuilding();
                    _lastDamageTime = Time.time;
                }
            }
        }

        private void TryDamageBuilding()
        {
            // 카메라에서 레이캐스트
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            
            if (Physics.Raycast(ray, out RaycastHit hit, maxDistance, buildingLayer))
            {
                Building building = hit.collider.GetComponentInParent<Building>();
                
                if (building != null)
                {
                    ulong attackerId = NetworkManager.Singleton != null && NetworkManager.Singleton.IsClient 
                        ? NetworkManager.Singleton.LocalClientId 
                        : 0;

                    building.TakeDamage(damageAmount, attackerId);
                    Debug.Log($"<color=yellow>[Test] {building.buildingData?.buildingName ?? "건물"}에게 {damageAmount} 데미지!</color>");
                }
            }
        }

        private void OnGUI()
        {
            GUILayout.BeginArea(new Rect(10, 10, 300, 100));
            GUILayout.Label($"[{damageKey}] 건물에 {damageAmount} 데미지");
            GUILayout.Label($"[Shift + {damageKey}] 연속 데미지");
            GUILayout.EndArea();
        }
    }
}