--渦巻く海炎
local s,id,o=GetID()
function s.initial_effect(c)
	--destroy
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.cost)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(100)
	if chk==0 then return true end
end
function s.costfilter(c)
	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsDiscardable() and c:IsAbleToGraveAsCost()
end
function s.desfilter(c)
	return c:IsAttribute(ATTRIBUTE_FIRE)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and chkc:IsFaceup() end
	local nocost=e:GetLabel()~=100
	local b1=(Duel.IsExistingMatchingCard(s.costfilter,tp,LOCATION_HAND,0,1,c) or nocost) and Duel.IsExistingTarget(Card.IsFaceup,tp,0,LOCATION_MZONE,1,nil)
	local b2=Duel.IsExistingMatchingCard(s.desfilter,tp,LOCATION_HAND,0,1,nil)
	if chk==0 then return b1 or b2 end
	local op=aux.SelectFromOptions(tp,
			{b1,aux.Stringid(id,2)},
			{b2,aux.Stringid(id,3)})
	e:SetLabel(op)
	if op==1 then
		e:SetCategory(CATEGORY_DESTROY)
		e:SetProperty(EFFECT_FLAG_CARD_TARGET)
		if not nocost then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
			Duel.DiscardHand(tp,s.costfilter,1,1,REASON_DISCARD+REASON_COST)
		end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
		local g=Duel.SelectTarget(tp,Card.IsFaceup,tp,0,LOCATION_MZONE,1,1,nil)
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
	else
		e:SetCategory(CATEGORY_DRAW+CATEGORY_DESTROY)
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,nil,1,tp,LOCATION_HAND)
	end
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	if e:GetLabel()==1 then
		local tc=Duel.GetFirstTarget()
		if tc:IsRelateToEffect(e) and tc:IsType(TYPE_MONSTER) then
			Duel.Destroy(tc,REASON_EFFECT)
		end
	else
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
		local g=Duel.SelectMatchingCard(tp,s.desfilter,tp,LOCATION_HAND,0,1,1,nil)
		if Duel.Destroy(g,REASON_EFFECT)>0 and Duel.IsPlayerCanDraw(tp,1)
			and Duel.SelectYesNo(tp,aux.Stringid(id,4)) then
			Duel.BreakEffect()
			Duel.Draw(tp,1,REASON_EFFECT)
		end
	end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)==0
		and Duel.GetFieldGroupCount(tp,0,LOCATION_MZONE)>0
end
function s.spfilter(c,e,tp)
	return c:IsAttribute(ATTRIBUTE_WATER+ATTRIBUTE_FIRE) and c:IsLevel(7,8) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and s.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and aux.NecroValleyFilter()(tc) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end
