--超未来融合－オーバーフューチャー・フュージョン
local s,id,o=GetID()
---@param c Card
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--to grave
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_TOGRAVE)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,id)
	e2:SetTarget(s.tgtg)
	e2:SetOperation(s.tgop)
	c:RegisterEffect(e2)
	--fusion summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON+CATEGORY_REMOVE)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCountLimit(1,id+o)
	e3:SetTarget(s.fstg)
	e3:SetOperation(s.fsop)
	c:RegisterEffect(e3)
end
s.fusion_effect=true
function s.filter(c,tp)
	return c:IsType(TYPE_FUSION) and Duel.IsExistingMatchingCard(s.sfilter,tp,LOCATION_DECK,0,1,nil,c)
end
function s.sfilter(c,tc)
	return aux.IsMaterialListCode(tc,c:GetCode()) and c:IsAbleToGrave()
end
function s.tgtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_EXTRA,0,1,nil,tp) end
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,nil,1,tp,LOCATION_DECK)
end
function s.tgop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
	local tc=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_EXTRA,0,1,1,nil,tp):GetFirst()
	if not tc then return end
	Duel.ConfirmCards(1-tp,tc)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local sc=Duel.SelectMatchingCard(tp,s.sfilter,tp,LOCATION_DECK,0,1,1,nil,tc):GetFirst()
	if Duel.SendtoGrave(sc,REASON_EFFECT)>0 and sc:IsLocation(LOCATION_GRAVE) then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
		e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e1:SetTargetRange(1,0)
		e1:SetLabel(sc:GetCode())
		e1:SetTarget(s.slimit)
		e1:SetReset(RESET_PHASE+PHASE_END)
		Duel.RegisterEffect(e1,tp)
		local e2=e1:Clone()
		e2:SetCode(EFFECT_CANNOT_ACTIVATE)
		e2:SetValue(s.alimit)
		Duel.RegisterEffect(e2,tp)
	end
end
function s.slimit(e,c,sp,st,spos,tp,se)
	return c:IsCode(e:GetLabel())
end
function s.alimit(e,te)
	return te:IsActiveType(TYPE_MONSTER) and te:GetHandler():IsCode(e:GetLabel())
end
function s.mfilter(c)
	return c:IsType(TYPE_MONSTER) and c:IsCanBeFusionMaterial() and c:IsAbleToRemove()
end
function s.ffilter(c,e,tp,m,f,chkf)
	return c:IsType(TYPE_FUSION) and c:IsAttribute(ATTRIBUTE_DARK) and c:IsRace(RACE_MACHINE) and (not f or f(c))
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false) and c:CheckFusionMaterial(m,nil,chkf)
end
function s.fstg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local chkf=tp
		local mg1=Duel.GetMatchingGroup(s.mfilter,tp,LOCATION_GRAVE,0,nil)
		local res=Duel.IsExistingMatchingCard(s.ffilter,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg1,nil,chkf)
		if not res then
			local ce=Duel.GetChainMaterial(tp)
			if ce~=nil then
				local fgroup=ce:GetTarget()
				local mg2=fgroup(ce,e,tp)
				local mf=ce:GetValue()
				res=Duel.IsExistingMatchingCard(s.ffilter,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
			end
		end
		return res
	end
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,nil,1,tp,LOCATION_GRAVE)
end
function s.fsop(e,tp,eg,ep,ev,re,r,rp)
	local chkf=tp
	local mg1=Duel.GetMatchingGroup(aux.NecroValleyFilter(s.mfilter),tp,LOCATION_GRAVE,0,nil)
	local sg1=Duel.GetMatchingGroup(s.ffilter,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(s.ffilter,tp,LOCATION_EXTRA,0,nil,e,tp,mg2,mf,chkf)
	end
	if #sg1>0 or (sg2~=nil and #sg2>0) then
		local sg=sg1:Clone()
		if sg2~=nil then sg:Merge(sg2) end
		::cancel::
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tc=sg:Select(tp,1,1,nil):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)
			if #mat<2 then goto cancel end
			tc:SetMaterial(mat)
			Duel.Remove(mat,POS_FACEUP,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
			Duel.BreakEffect()
			Duel.SpecialSummon(tc,SUMMON_TYPE_FUSION,tp,tp,false,false,POS_FACEUP)
		else
			local mat=Duel.SelectFusionMaterial(tp,tc,mg2,nil,chkf)
			if #mat<2 then goto cancel end
			local fop=ce:GetOperation()
			fop(ce,e,tp,tc,mat)
		end
		tc:CompleteProcedure()
	end
end
