using System.Text.Json;

[BuffFragment(
    "BulletSpeed", 
    "子弹速度 buff, ",
    Arg1 = "(int)子弹速度增加类型: 1:具体速度, 2:百分比速度",
    Arg2 = "(float)子弹增加的速度值"
)]
public class Buff_BulletSpeed : BuffFragment
{
    private int _type;
    private float _value;

    public override void InitParam(JsonElement[] args)
    {
        _type = args[0].GetInt32();
        _value = args[1].GetSingle();
    }
    
    public override void OnPickUpItem()
    {
        if (_type == 1)
        {
            Role.RoleState.CalcBulletSpeedEvent += CalcBulletSpeedEvent1;
        }
        else
        {
            Role.RoleState.CalcBulletSpeedEvent += CalcBulletSpeedEvent2;
        }
    }
    
    public override void OnRemoveItem()
    {
        if (_type == 1)
        {
            Role.RoleState.CalcBulletSpeedEvent -= CalcBulletSpeedEvent1;
        }
        else
        {
            Role.RoleState.CalcBulletSpeedEvent -= CalcBulletSpeedEvent2;
        }
    }
    
    private void CalcBulletSpeedEvent1(float originSpeed, RefValue<float> speed)
    {
        speed.Value += _value;
    }
    
    private void CalcBulletSpeedEvent2(float originSpeed, RefValue<float> speed)
    {
        speed.Value += originSpeed * _value;
    }
}