Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Your opponent draws 1 to 3 cards, then you gain 2000 LP for each card they drew with this effect.
--副作用？
--Side Effects?
local s,id=GetID()
function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DRAW+CATEGORY_RECOVER)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(1-tp,1) end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,1-tp,1)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local p=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER)
	if not Duel.IsPlayerCanDraw(p) then return end
	local ct=Duel.GetFieldGroupCount(p,LOCATION_DECK,0)
	local ac=1
	if ct>1 then
		Duel.Hint(HINT_SELECTMSG,p,aux.Stringid(id,0))
		if ct==2 then ac=Duel.AnnounceNumber(p,1,2)
		else ac=Duel.AnnounceNumber(p,1,2,3) end
	end
	local dr=Duel.Draw(p,ac,REASON_EFFECT)
	if p~=tp and dr~=0 then
		Duel.BreakEffect()
		Duel.Recover(tp,dr*2000,REASON_EFFECT)
	end
end