Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
During your opponent's End Phase, if your opponent has more total cards in their hand and field than you have in your hand and field: Special Summon 3 Normal Monsters from your GY. You can banish this card from your GY, then target 3 Monster Cards you control with different original names; Set 1 Spell/Trap from your hand or Deck that mentions the original names of all 3 targets.
--三位一体
--Three in One
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 3 Normal Monsters from your GY
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--Set 1 appropriate Spell/Trap from your hand or Deck
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetHintTiming(0,TIMING_MAIN_END|TIMINGS_CHECK_MONSTER_E)
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.settg)
	e2:SetOperation(s.setop)
	c:RegisterEffect(e2)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsPhase(PHASE_END) and Duel.IsTurnPlayer(1-tp)
		and Duel.GetFieldGroupCount(1-tp,LOCATION_HAND|LOCATION_ONFIELD,0)>Duel.GetFieldGroupCount(tp,LOCATION_HAND|LOCATION_ONFIELD,0)
end
function s.spfilter(c,e,tp)
	return c:IsType(TYPE_NORMAL) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>2
		and not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_GRAVE,0,3,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,3,tp,LOCATION_GRAVE)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<3 or Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_GRAVE,0,3,3,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.rescon(sg,e,tp,mg)
	return #sg==3 and sg:GetClassCount(Card.GetOriginalCodeRule)==3
		and Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_HAND|LOCATION_DECK,0,1,nil,sg:GetClass(Card.GetOriginalCodeRule))
end
function s.setfilter(c,codes)
	return c:IsSpellTrap() and c:IsSSetable() and c:ListsCode(codes[1]) and c:ListsCode(codes[2]) and c:ListsCode(codes[3])
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return end
	local g=Duel.GetMatchingGroup(aux.FaceupFilter(Card.IsMonsterCard),tp,LOCATION_ONFIELD,0,nil)
	if chk==0 then return aux.SelectUnselectGroup(g,e,tp,3,3,s.rescon,0) end
	local tg=aux.SelectUnselectGroup(g,e,tp,3,3,s.rescon,1,tp,HINTMSG_TARGET)
	Duel.SetTargetCard(tg)
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetTargetCards(e)
	if #tg~=3 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,s.setfilter,tp,LOCATION_HAND|LOCATION_DECK,0,1,1,nil,tg:GetClass(Card.GetOriginalCodeRule))
	if #g>0 then
		Duel.SSet(tp,g)
	end
end