--黒魔術の秘儀
function c59514116.initial_effect(c)
	aux.AddCodeList(c,46986414,38033121)
	--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:SetTarget(c59514116.target)
	e1:SetOperation(c59514116.activate)
	c:RegisterEffect(e1)
end
function c59514116.filter1(c,e)
	return not c:IsImmuneToEffect(e)
end
function c59514116.filter2(c,e,tp,m,f,gc,chkf)
	return c:IsType(TYPE_FUSION) and (not f or f(c)) and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false) and c:CheckFusionMaterial(m,nil,chkf)
end
function c59514116.fcheck(tp,sg,fc)
	return sg:IsExists(Card.IsFusionCode,1,nil,46986414,38033121)
end
function c59514116.rcheck(tp,g,c)
	return g:IsExists(Card.IsCode,1,nil,46986414,38033121)
end
function c59514116.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp)
	aux.FCheckAdditional=c59514116.fcheck
	local res1=Duel.IsExistingMatchingCard(c59514116.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg1,nil,chkf)
	if not res1 then
		local ce=Duel.GetChainMaterial(tp)
		if ce~=nil then
			local fgroup=ce:GetTarget()
			local mg2=fgroup(ce,e,tp)
			local mf=ce:GetValue()
			res1=Duel.IsExistingMatchingCard(c59514116.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
		end
	end
	aux.FCheckAdditional=nil
	local mg3=Duel.GetRitualMaterial(tp)
	aux.RCheckAdditional=c59514116.rcheck
	local res2=mg3:IsExists(Card.IsCode,1,nil,46986414,38033121)
		and Duel.IsExistingMatchingCard(aux.RitualUltimateFilter,tp,LOCATION_HAND,0,1,nil,aux.TRUE,e,tp,mg3,nil,Card.GetLevel,"Greater")
	aux.RCheckAdditional=nil
	if chk==0 then return res1 or res2 end
	local s=0
	if res1 and not res2 then
		s=Duel.SelectOption(tp,aux.Stringid(59514116,0))
	end
	if not res1 and res2 then
		s=Duel.SelectOption(tp,aux.Stringid(59514116,1))+1
	end
	if res1 and res2 then
		s=Duel.SelectOption(tp,aux.Stringid(59514116,0),aux.Stringid(59514116,1))
	end
	e:SetLabel(s)
	if s==0 then
		e:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
		e:SetCustomCategory(0)
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
	end
	if s==1 then
		e:SetCategory(CATEGORY_SPECIAL_SUMMON)
		e:SetCustomCategory(CATEGORY_SPSUMMON_RITUAL_MONSTER)
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
		Duel.SetCustomOperationInfo(0,CATEGORY_SPSUMMON_RITUAL_MONSTER,nil,1,tp,LOCATION_HAND)
	end
end
function c59514116.activate(e,tp,eg,ep,ev,re,r,rp)
	if e:GetLabel()==0 then
		local chkf=tp
		local mg1=Duel.GetFusionMaterial(tp):Filter(c59514116.filter1,nil,e)
		aux.FCheckAdditional=c59514116.fcheck
		local sg1=Duel.GetMatchingGroup(c59514116.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg1,nil,chkf)
		local mg2=nil
		local sg2=nil
		local ce=Duel.GetChainMaterial(tp)
		if ce~=nil then
			local fgroup=ce:GetTarget()
			mg2=fgroup(ce,e,tp)
			local mf=ce:GetValue()
			sg2=Duel.GetMatchingGroup(c59514116.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg2,mf,chkf)
		end
		if sg1:GetCount()>0 or (sg2~=nil and sg2:GetCount()>0) then
			local sg=sg1:Clone()
			if sg2 then sg:Merge(sg2) end
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
			local tg=sg:Select(tp,1,1,nil)
			local tc=tg:GetFirst()
			if sg1:IsContains(tc) and (sg2==nil or not sg2:IsContains(tc) or not Duel.SelectYesNo(tp,ce:GetDescription())) then
				local mat=Duel.SelectFusionMaterial(tp,tc,mg1,nil,chkf)
				tc:SetMaterial(mat)
				Duel.SendtoGrave(mat,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
				Duel.BreakEffect()
				Duel.SpecialSummon(tc,SUMMON_TYPE_FUSION,tp,tp,false,false,POS_FACEUP)
			else
				local mat2=Duel.SelectFusionMaterial(tp,tc,mg2,nil,chkf)
				local fop=ce:GetOperation()
				fop(ce,e,tp,tc,mat2)
			end
			tc:CompleteProcedure()
		end
		aux.FCheckAdditional=nil
	elseif e:GetLabel()==1 then
		::rcancel::
		local mg=Duel.GetRitualMaterial(tp)
		aux.RCheckAdditional=c59514116.rcheck
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tg=Duel.SelectMatchingCard(tp,aux.RitualUltimateFilter,tp,LOCATION_HAND,0,1,1,nil,aux.TRUE,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
			aux.GCheckAdditional=aux.RitualCheckAdditional(tc,tc:GetLevel(),"Greater")
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
			local mat=mg:SelectSubGroup(tp,aux.RitualCheck,true,1,tc:GetLevel(),tp,tc,tc:GetLevel(),"Greater")
			aux.GCheckAdditional=nil
			if not mat then
				aux.RCheckAdditional=nil
				goto rcancel
			end
			tc:SetMaterial(mat)
			Duel.ReleaseRitualMaterial(mat)
			Duel.BreakEffect()
			Duel.SpecialSummon(tc,SUMMON_TYPE_RITUAL,tp,tp,false,true,POS_FACEUP)
			tc:CompleteProcedure()
		end
		aux.RCheckAdditional=nil
	end
end