Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Target 1 face-up monster you control; this turn, it cannot be destroyed by battle, players take no battle damage from its attacks, and if it attacks an opponent's monster, destroy that opponent's monster after damage calculation.
--渾身の一撃
--Full-Force Strike
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.tgfilter(c)
	return not c:HasFlagEffect(id) and c:IsFaceup()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and s.tgfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.tgfilter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_APPLYTO)
	Duel.SelectTarget(tp,s.tgfilter,tp,LOCATION_MZONE,0,1,1,nil)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if not tc:IsRelateToEffect(e) or tc:HasFlagEffect(id) then return end
	tc:RegisterFlagEffect(id,RESETS_STANDARD_PHASE_END,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(id,1))
	local c=e:GetHandler()
	--Cannot be destroyed by battle
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetValue(1)
	e1:SetReset(RESETS_STANDARD_PHASE_END)
	tc:RegisterEffect(e1)
	--Players take no battle damage from its attacks
	local e2=e1:Clone()
	e2:SetCode(EFFECT_AVOID_BATTLE_DAMAGE)
	e2:SetCondition(function(e) return e:GetHandler()==Duel.GetAttacker() end)
	tc:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EFFECT_NO_BATTLE_DAMAGE)
	tc:RegisterEffect(e3)
	--Destroy an opponent's monster it attacks after damage calculation
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_BATTLED)
	e4:SetOperation(s.desop)
	e4:SetReset(RESETS_STANDARD_PHASE_END)
	tc:RegisterEffect(e4)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetAttackTarget()
	if c==Duel.GetAttacker() and tc and tc:IsRelateToBattle() then
		Duel.Hint(HINT_CARD,tp,id)
		Duel.Hint(HINT_CARD,1-tp,id)
		Duel.Destroy(tc,REASON_EFFECT)
	end
end