using System;
using Cielonos.MainGame.Characters;
using Sirenix.OdinInspector;
using SLSUtilities.FunctionalAnimation;
using UnityEngine;

namespace Cielonos.MainGame.FunctionalAnimation
{
    [Serializable]
    [EventColor(0.2f, 0.8f, 0.6f)]
    public class SetFuncAnimSpeed : FuncAnimPayloadBase
    {
        public override bool IsCombatOnly => false;

        public enum SpeedApplyMode
        {
            [LabelText("直接覆盖速度倍率 (Override)")]
            Override,
            [LabelText("与当前速度相乘 (Multiply)")]
            Multiply
        }

        [Tooltip("速度应用模式。Override直接改变播放器速度；Multiply可以在当前速度基础上乘以比例变化。")]
        public SpeedApplyMode applyMode = SpeedApplyMode.Override;

        [Tooltip("是否从行为树获取速度参数")]
        public bool getFromBehaviorTree = false;

        [Tooltip("行为树中的 Float 变量名称")]
        [ShowIf("getFromBehaviorTree")]
        public string speedVariableName = "FuncAnimSpeed";

        [Tooltip("目标播放速度倍率")]
        [HideIf("getFromBehaviorTree")]
        public float targetSpeed = 1.0f;

        public override void Invoke()
        {
            if (Character == null || Character.animationSc == null) return;

            FuncAnimSubmodule funcAnimSm = Character.animationSc.fullBodyFuncAnimSm;
            if (funcAnimSm == null || !funcAnimSm.IsPlaying) return;

            float speedValue = targetSpeed;

            if (getFromBehaviorTree)
            {
                BehaviorSubcontroller behaviorSc = (Character as Automata)?.behaviorSc;
                if (behaviorSc != null && behaviorSc.mainBehaviorTree != null)
                {
                    var speedVar = behaviorSc.mainBehaviorTree.GetVariable<float>(speedVariableName);
                    if (speedVar != null)
                    {
                        speedValue = speedVar.Value;
                    }
                }
            }

            // 1. 设置 C# 播放器的固有速度
            if (applyMode == SpeedApplyMode.Override)
            {
                funcAnimSm.currentPlaySpeedMultiplier = speedValue;
            }
            else
            {
                funcAnimSm.currentPlaySpeedMultiplier *= speedValue;
            }

            // 2. 刷新 Animator State 中的 ActionSpeed 参数
            try
            {
                float overridePlaySpeed = funcAnimSm.currentData.animInfo.overridePlaySpeed;
                float finalActionSpeed = overridePlaySpeed * funcAnimSm.currentPlaySpeedMultiplier;
                
                funcAnimSm.Animator.SetFloat("ActionSpeed", finalActionSpeed);
            }
            catch { /* 忽略状态机中未配置 ActionSpeed 变量的情况 */ }
        }
    }
}