using System.Collections.Generic;
using BehaviorDesigner.Runtime;
using BehaviorDesigner.Runtime.Tasks;
using DragonLi.Core;
using DragonLi.Frame;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.AI;


    public class CheckEnemyState : Conditional
    {
        public SharedInt curEnemyState;
        public override TaskStatus OnUpdate()
        {
           
            if (transform.GetComponent<Enemy>().enemyState == (EnemyState)curEnemyState.Value)
            {
                return TaskStatus.Success;
            }
            return TaskStatus.Failure;
        }
    }
    public class SetEnemyState : Action
    {
        public SharedInt curEnemyState;
        public override TaskStatus OnUpdate()
        {
            var enemy= transform.GetComponent<Enemy>();
            if (enemy != null)
            {
                enemy.enemyState = (EnemyState)curEnemyState.Value;
                return TaskStatus.Success;
            }
            return base.OnUpdate();
        }
    }

    public class MoveToPlayerNearby3 : Action
{
    public SharedGameObject self;
    public SharedFloat minRange = new SharedFloat { Value = 3f };
    public SharedFloat maxRange = new SharedFloat { Value = 10f };
    public SharedFloat avoidRadius = new SharedFloat { Value = 2f };
    public SharedLayerMask enemyLayer;
    public int maxAttempts = 15;

    private NavMeshAgent agent;
    private Vector3 targetPosition;

    public override void OnStart()
    {
        base.OnStart();
        agent = GetComponent<NavMeshAgent>();
        
        // 随机优先级，降低 agent 之间争路
        agent.avoidancePriority = Random.Range(0, 100);
        agent.obstacleAvoidanceType = ObstacleAvoidanceType.HighQualityObstacleAvoidance;
        agent.autoBraking = false;

        Transform player = GameManager.Ins.player.transform;
        targetPosition = FindValidPosition(player);
        if (agent.isActiveAndEnabled)
            agent.SetDestination(targetPosition);
    }

    public override TaskStatus OnUpdate()
    {
        if (!agent.pathPending && agent.remainingDistance <= agent.stoppingDistance)
            return TaskStatus.Success;
        return TaskStatus.Running;
    }

    private Vector3 FindValidPosition(Transform player)
    {
        // 从 Manager 或其他地方拿到所有敌人的引用列表
        List<Enemy> allEnemies = GameManager.Ins.curEnemyList;
        
        Vector3 bestPos = Vector3.zero;
        float bestScore = -1f;

        for (int i = 0; i < maxAttempts; i++)
        {
            // 1. 随机取点
            Vector3 dir = Random.insideUnitSphere;
            dir.y = 0;
            dir.Normalize();
            float dist = Random.Range(minRange.Value, maxRange.Value);
            Vector3 raw = player.position + dir * dist;

            // 2. NavMesh 采样
            if (!NavMesh.SamplePosition(raw, out NavMeshHit hit, 2f, NavMesh.AllAreas))
                continue;
            var cand = hit.position;

            // 3. 与玩家最小距离硬性筛掉
            if (Vector3.Distance(cand, player.position) < minRange.Value)
                continue;

            // 4. 计算到其它每个敌人的最小距离
            float minDistToOthers = float.MaxValue;
            foreach (var go in allEnemies)
            {
                if (go == null || go == self.Value) continue;
                float d = Vector3.Distance(cand, go.transform.position);
                minDistToOthers = Mathf.Min(minDistToOthers, d);
                if (minDistToOthers < avoidRadius.Value)
                    break; // 太近了，提前跳出
            }

            // 5. 如果通过了 avoidRadius，就直接返回
            if (minDistToOthers >= avoidRadius.Value)
                return cand;

            // 6. 否则记录最佳分数点
            if (minDistToOthers > bestScore)
            {
                bestScore = minDistToOthers;
                bestPos = cand;
            }
        }

        // 如果所有尝试都没严格过，也选“最远离群”的那个
        if (bestScore > 0f)
            return bestPos;

        // 兜底：玩家前方一个安全距离
        Vector3 fb = player.position + player.forward * minRange.Value;
        if (NavMesh.SamplePosition(fb, out NavMeshHit fh, 2f, NavMesh.AllAreas))
            return fh.position;

        // 最后随机返回一个点
        return player.position + Random.insideUnitSphere * (minRange.Value + 0.5f);
    }
    
    // 调试画出可行区域
    void OnDrawGizmosSelected()
    {
        if (self == null || self.Value != gameObject) return;
        Gizmos.color = Color.cyan;
        Gizmos.DrawWireSphere(targetPosition, 0.2f);
    }
}

    /// <summary>
    /// 检测boss是否到阶段血量
    /// </summary>
    public class CheckEnemyHp : Conditional
    {
        public SharedFloat hpIndex;

        public override TaskStatus OnUpdate()
        {
            var curHpIndex = transform.GetComponent<Enemy>().health/transform.GetComponent<Enemy>().maxHealth;
            if (curHpIndex <= hpIndex.Value)
            {
                return TaskStatus.Success;  
            }
            return TaskStatus.Failure;
        }
    }

    public class UserSkill : Action
    {
        public Enemy EnemyObj;
        public SharedFloat hpIndex;
        public override void OnStart()
        {
            base.OnStart();
            EnemyObj = transform.GetComponent<Enemy>();
        }

        public override TaskStatus OnUpdate()
        {
            if (EnemyObj == null)
                return TaskStatus.Failure;
            var curHpIndex = EnemyObj.health/EnemyObj.maxHealth;
            if (curHpIndex <= hpIndex.Value)
            {
                EnemyObj.userSillIng = false;
            }
            var isUserIng = EnemyObj.userSillIng;
            if (isUserIng) return TaskStatus.Running;
            return TaskStatus.Success;
        }
    }

    public class BossIsUserSkill : Conditional
    {
        public override TaskStatus OnUpdate()
        {
            Enemy curEnemy = GetComponent<Enemy>();
            if(curEnemy.userSillIng)
                return TaskStatus.Success;
            return TaskStatus.Failure;  
        }
    }

    public class BossIsAttackState : Conditional
    {
        public override TaskStatus OnUpdate()
        {
            Enemy curEnemy = GetComponent<Enemy>();
            if(curEnemy.isAttack)
                return TaskStatus.Success;
            return TaskStatus.Failure;  
        }
    }
    
    public class BossIsQteAttack : Conditional
    {
        public SharedBool isQteAttack;
        public override TaskStatus OnUpdate()
        {
            if(isQteAttack.Value)
                return TaskStatus.Success;
            return TaskStatus.Failure;  
        }
    }
    

    public class WaitAllPetDie : Action
    {
        public override TaskStatus OnUpdate()
        {
            if (GameManager.Ins.IsAllBossPetDie())
            {
                Enemy curEnemy = GetComponent<Enemy>();
                if (curEnemy)
                {
                    curEnemy.isShield = false;
                    curEnemy.shieldObj.SetActive(false);
                }
                return TaskStatus.Success;
            }
            return TaskStatus.Running;
        }
    }

    public class IsBossGunDie : Conditional
    {
        public SharedString GunIdStr;

        private List<int> gunIdList;
        public override void OnStart()
        {
            base.OnStart();
            gunIdList=new List<int>();
            string[] str=GunIdStr.Value.Split(',');
            foreach (var item in str)
            {
                gunIdList.Add(int.Parse(item));
            }
        }

        public override TaskStatus OnUpdate()
        {
            Enemy curEnemy = GetComponent<Enemy>();
            foreach (var id in gunIdList)
            {
                if (curEnemy.components[id] != null && !curEnemy.components[id].isDead)
                {
                    return TaskStatus.Failure;
                }
            }

            return TaskStatus.Success;
        }
    }

    public class BossQteAttack : Action
    {
        private Enemy _curEnemy;

        public float QteTime;
        public SharedBool IsQteAttacked;
        public SharedBool IsStopQteAttacked;
        private float _currentQteTime;
        public override void OnStart()
        {
            base.OnStart();
            //QteTime = 5;
            _curEnemy = GetComponent<Enemy>();
            if (_curEnemy)
            {
                IsQteAttacked.Value = false;
                _curEnemy.StartQteAttack();
            }
        }

        public override TaskStatus OnUpdate()
        {
            _currentQteTime += Time.deltaTime;
            if (_curEnemy.components[^1] != null && _curEnemy.components[^1].isDead)
            {
                IsStopQteAttacked.Value =true;
                _curEnemy.StopQteAttack();
                return TaskStatus.Success;
            }
            if (_currentQteTime >= QteTime)
            {
                IsStopQteAttacked.Value =false;
                _curEnemy.ThreeAttackMode();
                return TaskStatus.Success;
            }
            return TaskStatus.Running;
        }
    }
    
    public class CooldownTick : Action
    {
        public SharedFloat cooldownTimer;
        public SharedBool skillReady;

        public SharedFloat hp;

        public override TaskStatus OnUpdate()
        {
            Enemy curEnemy = GetComponent<Enemy>();
            var curHpIndex = curEnemy.health/curEnemy.maxHealth;
            if (curHpIndex <= hp.Value)
            {
                skillReady.Value = false;
                cooldownTimer.Value = 15;
                return  TaskStatus.Success;
            }
            if (cooldownTimer.Value > 0f) {
                cooldownTimer.Value -= Time.deltaTime;
                if (cooldownTimer.Value <= 0f) {
                    cooldownTimer.Value = 0f;
                    skillReady.Value = true;
                    return TaskStatus.Success;
                }
            }
            return TaskStatus.Running;
        }
    }
    
    public class ReleaseSkill : Action
    {
        public SharedFloat cooldownTimer;
        public SharedBool skillReady;
        public float skillCooldown = 15f;

        public override void OnStart()
        {
            base.OnStart(); 
            // 进入冷却
            cooldownTimer.Value = skillCooldown;
            skillReady.Value   = false;
        }
    }
    
    public class NormalAttack : Action
    {
        public override void OnStart()
        {
            // 你的普攻逻辑
            Debug.Log("执行普攻");
            Enemy curEnemy = GetComponent<Enemy>();
            curEnemy.Attack();
        }
    }
    
    public class IsSkillReady : Conditional
    {
        public SharedBool skillReady;

        public override TaskStatus OnUpdate()
        {
            return skillReady.Value ? TaskStatus.Success : TaskStatus.Failure;
        }
    }

    public class ConditionalStopQte : Conditional
    {
        public SharedBool IsStopQteAttack;

        public override TaskStatus OnUpdate()
        {
            if(!IsStopQteAttack.Value)
                return TaskStatus.Success;
            return TaskStatus.Failure;
        }
    }