Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn: You can discard 2 cards, then target 1 face-up monster your opponent controls; equip that face-up monster to this card. This card gains ATK equal to the combined original ATK of the monsters equipped to it by this effect. Once per turn, during the End Phase: You can target 1 Monster Card equipped to this card by this card's effect; Special Summon it to your field.
--The grand JUPITER
--The Grand Jupiter
local s,id=GetID()
function s.initial_effect(c)
	--equip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(s.eqcost)
	e1:SetTarget(s.eqtg)
	e1:SetOperation(s.eqop)
	c:RegisterEffect(e1)
	aux.AddEREquipLimit(c,nil,function(ec,_,tp) return ec:IsControler(1-tp) end,s.equipop,e1)
	--special summon equip
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetCountLimit(1)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.eqcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,2,nil) end
	Duel.DiscardHand(tp,Card.IsDiscardable,2,2,REASON_COST|REASON_DISCARD)
end
function s.eqfilter(c)
	return c:IsFaceup() and c:IsAbleToChangeControler()
end
function s.eqtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and s.eqfilter(chkc) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>0
		and Duel.IsExistingTarget(s.eqfilter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	local g=Duel.SelectTarget(tp,s.eqfilter,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,g,1,0,0)
end
function s.equipop(c,e,tp,tc)
	local atk=tc:GetTextAttack()
	if tc:IsFacedown() or atk<0 then atk=0 end
	if not c:EquipByEffectAndLimitRegister(e,tp,tc,id,true) then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_EQUIP)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE+EFFECT_FLAG_OWNER_RELATE)
	e1:SetValue(atk)
	e1:SetReset(RESET_EVENT|RESETS_STANDARD)
	tc:RegisterEffect(e1)
end
function s.eqop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) and tc:IsFaceup() and tc:IsMonster() then 
		s.equipop(c,e,tp,tc)
	end
end
function s.eqlimit(e,c)
	return e:GetOwner()==c
end
function s.spfilter(c,e,tp,ec)
	return c:GetFlagEffect(id)~=0 and c:GetEquipTarget()==ec and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_SZONE) and chkc:IsControler(tp) and s.spfilter(chkc,e,tp,c) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_SZONE,0,1,nil,e,tp,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_SZONE,0,1,1,nil,e,tp,c)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp,chk)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end