Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When a Thunder-Type monster you control inflicts Battle Damage to your opponent, gain Life Points equal to the damage inflicted.
--エレキュア
--Wattcine
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--recover
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_RECOVER)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCode(EVENT_BATTLE_DAMAGE)
	e2:SetCondition(s.reccon)
	e2:SetTarget(s.rectg)
	e2:SetOperation(s.recop)
	c:RegisterEffect(e2)
end
function s.reccon(e,tp,eg,ep,ev,re,r,rp)
	if ep==tp then return false end
	local rc=eg:GetFirst()
	return rc:IsControler(tp) and rc:IsRace(RACE_THUNDER)
end
function s.rectg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(ev)
	Duel.SetOperationInfo(0,CATEGORY_RECOVER,nil,0,tp,ev)
end
function s.recop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Recover(p,d,REASON_EFFECT)
end