Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card can only declare an attack the turn this card is flipped face-up. If this card attacks, it is changed to face-down Defense Position at the end of the Battle Phase.
--ワーム・ルクイエ
--Worm Rakuyeh
local s,id=GetID()
function s.initial_effect(c)
	--attack limit
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_FLIP)
	e1:SetOperation(s.flipop)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_CANNOT_ATTACK_ANNOUNCE)
	e2:SetCondition(s.atkcon)
	c:RegisterEffect(e2)
	--to defense
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e3:SetCode(EVENT_PHASE|PHASE_BATTLE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1)
	e3:SetCondition(s.poscon)
	e3:SetOperation(s.posop)
	c:RegisterEffect(e3)
end
function s.flipop(e,tp,eg,ep,ev,re,r,rp)
	e:GetHandler():RegisterFlagEffect(id,RESETS_STANDARD_PHASE_END,0,1)
end
function s.atkcon(e)
	return e:GetHandler():GetFlagEffect(id)==0
end
function s.poscon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetAttackedCount()>0
end
function s.posop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() then
		Duel.ChangePosition(c,POS_FACEDOWN_DEFENSE)
	end
end