Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Cannot be Special Summoned from the Deck. You can only control 1 "Sandaion, the Timelord". If only your opponent controls a monster, you can Normal Summon this card without Tributing. Cannot be destroyed by battle or card effects. Neither player takes battle damage from attacks involving this card. At the end of the Battle Phase, if this card battled: Inflict 2000 damage to your opponent. Once per turn, during your Standby Phase: Shuffle this card into the Deck.
--時械神 サンダイオン
--Sandaion, the Timelord
local s,id=GetID()
function s.initial_effect(c)
	c:SetUniqueOnField(1,0,id)
	--cannot special summon
	local e1=Effect.CreateEffect(c)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE+EFFECT_FLAG_SINGLE_RANGE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetRange(LOCATION_DECK)
	e1:SetCode(EFFECT_SPSUMMON_CONDITION)
	c:RegisterEffect(e1)
	--summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_SUMMON_PROC)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.spcon)
	c:RegisterEffect(e2)
	--indes
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e3:SetValue(1)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	c:RegisterEffect(e4)
	--damage val
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_SINGLE)
	e5:SetCode(EFFECT_NO_BATTLE_DAMAGE)
	e5:SetValue(1)
	c:RegisterEffect(e5)
	local e8=Effect.CreateEffect(c)
	e8:SetType(EFFECT_TYPE_SINGLE)
	e8:SetCode(EFFECT_AVOID_BATTLE_DAMAGE)
	e8:SetValue(1)
	c:RegisterEffect(e8)
	--LP
	local e6=Effect.CreateEffect(c)
	e6:SetCategory(CATEGORY_DAMAGE)
	e6:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e6:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e6:SetCode(EVENT_PHASE|PHASE_BATTLE)
	e6:SetCountLimit(1)
	e6:SetRange(LOCATION_MZONE)
	e6:SetCondition(s.damcon)
	e6:SetTarget(s.damtg)
	e6:SetOperation(s.damop)
	c:RegisterEffect(e6)
	--to deck
	local e7=Effect.CreateEffect(c)
	e7:SetDescription(aux.Stringid(id,1))
	e7:SetCategory(CATEGORY_TODECK)
	e7:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e7:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e7:SetProperty(EFFECT_FLAG_REPEAT)
	e7:SetCountLimit(1)
	e7:SetRange(LOCATION_MZONE)
	e7:SetCondition(s.tdcon)
	e7:SetTarget(s.tdtg)
	e7:SetOperation(s.tdop)
	c:RegisterEffect(e7)
end
function s.spcon(e,c)
	if c==nil then return true end
	return Duel.GetFieldGroupCount(c:GetControler(),LOCATION_MZONE,0)==0
		and	Duel.GetFieldGroupCount(c:GetControler(),0,LOCATION_MZONE)>0
		and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetBattledGroupCount()>0
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(2000)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,2000)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end
function s.tdcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp)
end
function s.tdtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,e:GetHandler(),1,0,0)
end
function s.tdop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() and c:IsAbleToDeck() then
		Duel.SendtoDeck(c,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	end
end