using System;

using Colosseum.Enemy;

using Unity.Behavior;
using Unity.Properties;
using UnityEngine;

using Action = Unity.Behavior.Action;

/// <summary>
/// 보스의 주 대상을 갱신하는 공통 Behavior Action입니다.
/// </summary>
[Serializable, GeneratePropertyBag]
[NodeDescription(
    name: "Refresh Primary Target",
    story: "보스 주 대상을 [Target]으로 갱신",
    category: "Action",
    id: "b7dbb1fc0c0d451795e9f02d6f4d3930")]
public partial class RefreshPrimaryTargetAction : Action
{
    [SerializeReference]
    public BlackboardVariable<GameObject> Target;

    protected override Status OnStart()
    {
        EnemyBase enemyBase = GameObject.GetComponent<EnemyBase>();
        if (enemyBase == null)
            return Status.Failure;

        GameObject currentTarget = Target != null ? Target.Value : null;
        float aggroRange = enemyBase.Data != null ? enemyBase.Data.AggroRange : Mathf.Infinity;
        GameObject resolvedTarget = enemyBase.GetHighestThreatTarget(currentTarget, null, aggroRange);

        if (resolvedTarget == null)
        {
            BossCombatBehaviorContext context = GameObject.GetComponent<BossCombatBehaviorContext>();
            resolvedTarget = context != null ? context.FindNearestLivingTarget() : null;
        }

        if (Target != null)
            Target.Value = resolvedTarget;

        return resolvedTarget != null ? Status.Success : Status.Failure;
    }
}