--デーモンの簒奪
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.setfilter(c)
	return c:IsSetCard(0x45) and c:IsType(TYPE_TRAP) and c:IsSSetable()
end
function s.ritual_filter(c)
	return c:IsFaceupEx() and c:IsType(TYPE_RITUAL) and c:IsSetCard(0x45)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local ct=Duel.GetLocationCount(tp,LOCATION_SZONE)
	if e:IsHasType(EFFECT_TYPE_ACTIVATE) and not e:GetHandler():IsLocation(LOCATION_SZONE) then ct=ct-1 end
	local b1=ct>0 and Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil)
	local mg=Duel.GetRitualMaterial(tp)
	local b2=Duel.IsExistingMatchingCard(aux.RitualUltimateFilter,tp,LOCATION_HAND+LOCATION_EXTRA,0,1,nil,s.rfilter,e,tp,mg,nil,Card.GetLevel,"Greater")
	if chk==0 then return b1 or b2 end
	local op=aux.SelectFromOptions(tp,
		{b1,aux.Stringid(id,0),1},
		{b2,aux.Stringid(id,1),2})
	e:SetLabel(op)
	if op==1 then
		if e:IsCostChecked() then
			e:SetCategory(0)
		end
	elseif op==2 then
		if e:IsCostChecked() then
			e:SetCategory(CATEGORY_SPECIAL_SUMMON)
		end
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_EXTRA)
	end
end
function s.rfilter(c,e,tp)
	return c:IsFaceupEx() and c:IsSetCard(0x45)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if e:GetLabel()==1 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
		local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.setfilter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,1,nil)
		local tc=g:GetFirst()
		if tc and Duel.SSet(tp,tc)~=0 then
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetDescription(aux.Stringid(id,2))
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
			e1:SetCode(EFFECT_TRAP_ACT_IN_SET_TURN)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
		end
	elseif e:GetLabel()==2 then
		::cancel::
		local mg=Duel.GetRitualMaterial(tp)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tg=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(aux.RitualUltimateFilter),tp,LOCATION_HAND+LOCATION_EXTRA,0,1,1,nil,s.rfilter,e,tp,mg,nil,Card.GetLevel,"Greater")
		local tc=tg:GetFirst()
		if tc then
			mg=mg:Filter(Card.IsCanBeRitualMaterial,tc,tc)
			if tc.mat_filter then
				mg=mg:Filter(tc.mat_filter,tc,tp)
			else
				mg:RemoveCard(tc)
			end
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
			aux.GCheckAdditional=aux.RitualCheckAdditional(tc,tc:GetLevel(),"Greater")
			local mat=mg:SelectSubGroup(tp,aux.RitualCheck,true,1,tc:GetLevel(),tp,tc,tc:GetLevel(),"Greater")
			aux.GCheckAdditional=nil
			if not mat then goto cancel end
			tc:SetMaterial(mat)
			Duel.ReleaseRitualMaterial(mat)
			Duel.BreakEffect()
			Duel.SpecialSummon(tc,SUMMON_TYPE_RITUAL,tp,tp,false,true,POS_FACEUP)
			tc:CompleteProcedure()
		end
	end
end