Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2+ Level 1 monsters Gains 200 ATK for each material attached to it. This card can attack directly. While this card has material, it can attack a number of times each Battle Phase, up to the number of materials attached to it. Once per turn (Quick Effect): You can detach 1 material from this card; until the end of this turn, "Lyrilusc" monsters you control cannot be destroyed by battle or card effects, also you take no battle damage.
--LL－アセンブリー・ナイチンゲール
--Lyrilusc - Assembled Nightingale
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	Xyz.AddProcedure(c,nil,1,2,nil,nil,Xyz.InfiniteMats)
	--ATK Up
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(s.atkval)
	c:RegisterEffect(e1)
	--Direct Attack
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_DIRECT_ATTACK)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	c:RegisterEffect(e2)
	--multi attack
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_EXTRA_ATTACK)
	e3:SetValue(s.raval)
	c:RegisterEffect(e3)
	--Protection
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,0))
	e4:SetType(EFFECT_TYPE_QUICK_O)
	e4:SetCode(EVENT_FREE_CHAIN)
	e4:SetRange(LOCATION_MZONE)
	e4:SetCountLimit(1)
	e4:SetCost(Cost.DetachFromSelf(1))
	e4:SetOperation(s.indop)
	c:RegisterEffect(e4)
end
s.listed_series={SET_LYRILUSC}
function s.atkval(e,c)
	return c:GetOverlayCount()*200
end
function s.raval(e,c)
	local oc=e:GetHandler():GetOverlayCount()
	return math.max(0,oc-1)
end
function s.indop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetValue(1)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,SET_LYRILUSC))
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	Duel.RegisterEffect(e2,tp)
	local e3=Effect.CreateEffect(e:GetHandler())
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(EFFECT_AVOID_BATTLE_DAMAGE)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetTargetRange(1,0)
	e3:SetValue(1)
	e3:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e3,tp)
end