using UnityEngine;

public class IVMateCastSkill : State<IVMate>
{
    public override void Enter()
    {
        Debug.Assert(Owner.Excutor.SkeletonAnimation != null && Owner.Excutor.SkeletonAnimation.TryGetAnimation("skill", out Spine.Animation _), "SkeletonAnimation is null or skill animation not exist");
        Owner.Excutor.SkeletonAnimation.AnimationState.SetAnimation(0, "skill", false);
        Owner.Excutor.SkeletonAnimation.AnimationState.Event += OnSkillEvent;

        Owner.Excutor.Skill.transform.position = Owner.Excutor.CenterPivot;
        Owner.Excutor.Skill.StartCoolTime();
    }

    public override void Excute()
    {
        var trackEntry = Owner.Excutor.SkeletonAnimation.AnimationState.GetCurrent(0);
        if (trackEntry is null || trackEntry.IsComplete)
            Owner.ChangeState<IVMateIdle>();
    }

    public override void Exit()
    {
        Owner.Excutor.SkeletonAnimation.AnimationState.Event -= OnSkillEvent;
    }

    private void OnSkillEvent(Spine.TrackEntry trackEntry, Spine.Event e)
    {
        if (e.Data.Name == "cast")
        {
            Owner.Excutor.Skill.Cast(Owner.Excutor, BuffMgr.Instance.GetCharAtk());
        }
    }
}