--Drago Spirito Faerie
--Scripted by: XGlitchy30

local s,id=GetID()
function s.initial_effect(c)
	--battle protection
	c:BattleProtection()
	--energy
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetCustomCategory(CATEGORY_UPDATE_ENERGY)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DDD)
	e1:SetCode(EVENT_REMOVE)
	e1:HOPT()
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local en=Duel.GetEngagedCard(tp)
	if chk==0 then
		return en~=nil and Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,en)
	end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD,en)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local en=Duel.GetEngagedCard(tp)
	if chk==0 then
		return en~=nil and en:IsCanUpdateEnergy(3,tp,REASON_EFFECT)
	end
	Duel.SetCustomOperationInfo(0,CATEGORY_UPDATE_ENERGY,en,1,INFOFLAG_INCREASE,3)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local en=Duel.GetEngagedCard(tp)
	if en then
		local _,incr=en:UpdateEnergy(3,tp,REASON_EFFECT,0,c)
		en=Duel.GetEngagedCard(tp)
		if incr==3 and en and en:HasLevel() and en:GetEnergy()<en:GetLevel() and c:IsRelateToChain() and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
			and c:IsCanBeSpecialSummoned(e,0,tp,false,false) and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
			Duel.BreakEffect()
			Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end