using System;

using Colosseum.Abnormalities;
using Colosseum.Combat;
using Colosseum.Player;

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

using Action = Unity.Behavior.Action;

/// <summary>
/// 충전 차단에 실패하여 패턴이 완료되었을 때, 전체 플레이어에게 범위 효과를 적용합니다.
/// 필요한 수치는 BT 노드 필드에서 직접 설정합니다.
/// </summary>
[Serializable, GeneratePropertyBag]
[NodeDescription(
    name: "Signature Failure Effects",
    story: "패턴 완료 범위 효과 적용",
    category: "Action",
    id: "c3d4e5f6-1111-2222-3333-777788889999")]
public partial class SignatureFailureEffectsAction : Action
{
    [SerializeReference]
    public BlackboardVariable<float> FailureDamage = new BlackboardVariable<float>(40f);

    [SerializeReference]
    public BlackboardVariable<AbnormalityData> FailureAbnormality;

    [SerializeReference]
    public BlackboardVariable<float> KnockbackRadius = new BlackboardVariable<float>(8f);

    [SerializeReference]
    public BlackboardVariable<float> DownRadius = new BlackboardVariable<float>(3f);

    [SerializeReference]
    public BlackboardVariable<float> KnockbackSpeed = new BlackboardVariable<float>(12f);

    [SerializeReference]
    public BlackboardVariable<float> KnockbackDuration = new BlackboardVariable<float>(0.35f);

    [SerializeReference]
    public BlackboardVariable<float> DownDuration = new BlackboardVariable<float>(2f);

    protected override Status OnStart()
    {
        ApplyFailureEffects();
        return Status.Success;
    }

    private void ApplyFailureEffects()
    {
        float failureDamage = Mathf.Max(0f, FailureDamage?.Value ?? 0f);
        AbnormalityData failureAbnormality = FailureAbnormality?.Value;
        float knockbackRadius = Mathf.Max(0f, KnockbackRadius?.Value ?? 0f);
        float downRadius = Mathf.Max(0f, DownRadius?.Value ?? 0f);
        float knockbackSpeed = Mathf.Max(0f, KnockbackSpeed?.Value ?? 0f);
        float knockbackDuration = Mathf.Max(0f, KnockbackDuration?.Value ?? 0f);
        float downDuration = Mathf.Max(0f, DownDuration?.Value ?? 0f);

        PlayerNetworkController[] players = UnityEngine.Object.FindObjectsByType<PlayerNetworkController>(FindObjectsSortMode.None);
        for (int i = 0; i < players.Length; i++)
        {
            PlayerNetworkController player = players[i];
            if (player == null || player.IsDead || !player.gameObject.activeInHierarchy)
                continue;

            GameObject target = player.gameObject;
            player.TakeDamage(failureDamage, GameObject);

            if (failureAbnormality != null)
            {
                AbnormalityManager targetAbnormalityManager = target.GetComponent<AbnormalityManager>();
                targetAbnormalityManager?.ApplyAbnormality(failureAbnormality, GameObject);
            }

            HitReactionController hitReactionController = target.GetComponent<HitReactionController>();
            if (hitReactionController == null)
                continue;

            float distance = Vector3.Distance(GameObject.transform.position, target.transform.position);
            if (distance <= downRadius)
            {
                hitReactionController.ApplyDown(downDuration);
                continue;
            }

            if (distance > knockbackRadius)
                continue;

            Vector3 knockbackDirection = target.transform.position - GameObject.transform.position;
            knockbackDirection.y = 0f;
            if (knockbackDirection.sqrMagnitude < 0.0001f)
            {
                knockbackDirection = GameObject.transform.forward;
            }

            hitReactionController.ApplyKnockback(knockbackDirection.normalized * knockbackSpeed, knockbackDuration);
        }

        CombatBalanceTracker.RecordBossEvent("집행 개시 실패");
    }
}