--created by LionHeartKIng, coded by Lyris
--フェイトヒーロー・ミアオーリス
local s,id,o=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCategory(CATEGORY_TOGRAVE)
	e1:SetTarget(s.tgtg)
	e1:SetOperation(s.tgop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1)
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
	e3:SetTarget(s.target)
	e3:SetOperation(s.operation)
	c:RegisterEffect(e3)
end
function s.filter(c)
	return c:IsSetCard(0xa5f) and c:IsType(TYPE_MONSTER) and c:IsAbleToGrave() and not c:IsCode(id)
end
function s.tgtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil) end
	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_TOGRAVE)
	Duel.SendtoGrave(Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil),REASON_EFFECT)
end
function s.mfilter(c,e)
	return c:IsOnField() and not c:IsImmuneToEffect(e)
end
function s.sfilter(c,e,tp,m,f,chkf)
	return c:IsType(TYPE_FUSION) and c:IsSetCard(0xa5f) and (not f or f(c))
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false)
		and c:CheckFusionMaterial(m,e:GetHandler(),chkf)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		if c:IsLevelBelow(3) then return true end
		local chkf=tp
		local mg1=Duel.GetFusionMaterial(tp):Filter(s.mfilter,nil,e)
		local res=Duel.IsExistingMatchingCard(s.sfilter,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.sfilter,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg2,mf,chkf)
			end
		end
		return res
	end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) or c:IsFacedown() then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_LEVEL)
	e1:SetValue(1)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_DISABLE)
	c:RegisterEffect(e1)
	Duel.AdjustInstantly()
	if c:IsLevelBelow(4) or c:IsControler(1-tp) then return end
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp):Filter(s.mfilter,nil,e)
	local sg1=Duel.GetMatchingGroup(s.sfilter,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.sfilter,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 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 mat1=Duel.SelectFusionMaterial(tp,tc,mg1,c,chkf)
			if #mat1<2 then goto cancel end
			tc:SetMaterial(mat1)
			Duel.SendtoGrave(mat1,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,c,chkf)
			if #mat2<2 then goto cancel end
			local fop=ce:GetOperation()
			fop(ce,e,tp,tc,mat2)
		end
		tc:CompleteProcedure()
	end
end