Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2 Machine monsters Cannot be used as Link Material the turn it is Link Summoned. During your Main Phase: You can Special Summon 1 Level 4 or lower Machine monster from your hand to your zone this card points to. If this card is destroyed by battle or card effect: You can Special Summon 1 Level 4 "Gadget" monster from your Deck. You can only use each effect of "Platinum Gadget" once per turn.
--プラチナ・ガジェット
--Platinum Gadget
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	--link summon
	c:EnableReviveLimit()
	Link.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsRace,RACE_MACHINE),2,2)
	--cannot link material
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCode(EFFECT_CANNOT_BE_LINK_MATERIAL)
	e1:SetCondition(s.lkcon)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	--special summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_DESTROYED)
	e3:SetCountLimit(1,{id,1})
	e3:SetCondition(s.spcon2)
	e3:SetTarget(s.sptg2)
	e3:SetOperation(s.spop2)
	c:RegisterEffect(e3)
end
s.listed_series={SET_GADGET}
function s.lkcon(e)
	local c=e:GetHandler()
	return c:IsStatus(STATUS_SPSUMMON_TURN) and c:IsLinkSummoned()
end
function s.spfilter(c,e,tp,zone)
	return c:IsLevelBelow(4) and c:IsRace(RACE_MACHINE) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP,tp,zone)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local zone=e:GetHandler():GetLinkedZone(tp)
		return zone~=0 and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND,0,1,nil,e,tp,zone)
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local zone=e:GetHandler():GetLinkedZone(tp)
	if zone==0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_HAND,0,1,1,nil,e,tp,zone)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP,zone)
	end
end
function s.spcon2(e,tp,eg,ep,ev,re,r,rp)
	return (r&REASON_EFFECT+REASON_BATTLE)~=0
end
function s.spfilter2(c,e,tp)
	return c:IsSetCard(SET_GADGET) and c:IsLevel(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg2(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop2(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter2,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end