--メタルフォーゼ・カウンター
--Metalfoes Counter
local s,id=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_CUSTOM+id)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--to hand
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetCondition(aux.exccon)
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
	aux.GlobalCheck(s,function()
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_DESTROYED)
		ge1:SetCondition(s.regcon)
		ge1:SetOperation(s.regop)
		Duel.RegisterEffect(ge1,0)
	end)
end
s.listed_series={SET_METALFOES}
function s.cfilter(c,tp)
	return c:IsReason(REASON_BATTLE|REASON_EFFECT) and c:IsPreviousControler(tp) and c:IsPreviousLocation(LOCATION_ONFIELD)
end
function s.regcon(e,tp,eg,ep,ev,re,r,rp)
	local v=0
	if eg:IsExists(s.cfilter,1,nil,0) then v=v+1 end
	if eg:IsExists(s.cfilter,1,nil,1) then v=v+2 end
	if v==0 then return false end
	e:SetLabel(({0,1,PLAYER_ALL})[v])
	return true
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	Duel.RaiseEvent(eg,EVENT_CUSTOM+id,re,r,rp,ep,e:GetLabel())
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return ev==tp or ev==PLAYER_ALL
end
function s.filter(c,e,tp)
	return c:IsSetCard(SET_METALFOES) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.thfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_PENDULUM) and c:IsSetCard(SET_METALFOES) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_EXTRA,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_EXTRA)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_EXTRA,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end