Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If your opponent's Life Points are 2000 or less: Make their Life Points 8000, and if you do, draw 2 cards. You can only activate 1 "Heroic Gift" per turn.
--ヒロイック・ギフト
--Heroic Gift
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetLP(1-tp)<=2000
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2) end
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLP(1-tp)==8000 then return end
	Duel.SetLP(1-tp,8000)
	Duel.Draw(tp,2,REASON_EFFECT)
end