--トライアングル－O
local s,id,o=GetID()
---@param c Card
function s.initial_effect(c)
	aux.AddCodeList(c,7903368,58996839,84384943)
	--destroy and damage
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.descon)
	e1:SetTarget(s.destarget)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TODECK+CATEGORY_DRAW)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
function s.desfilter(c,code)
	return c:IsFaceup() and c:IsCode(code)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.desfilter,tp,LOCATION_ONFIELD,0,1,nil,7903368)
		and Duel.IsExistingMatchingCard(s.desfilter,tp,LOCATION_ONFIELD,0,1,nil,58996839)
		and Duel.IsExistingMatchingCard(s.desfilter,tp,LOCATION_ONFIELD,0,1,nil,84384943)
end
function s.destarget(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,e:GetHandler()) end
	local g=Duel.GetMatchingGroup(aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,g:GetCount(),0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,aux.ExceptThisCard(e))
	local c=e:GetHandler()
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_REFLECT_DAMAGE)
	e1:SetTargetRange(1,0)
	e1:SetValue(s.val)
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
	Duel.Destroy(g,REASON_EFFECT)
end
function s.val(e,re,ev,r,rp,rc)
	return bit.band(r,REASON_EFFECT)~=0
end
function s.tdfilter(c,e)
	return c:IsCode(7903368,58996839,84384943) and c:IsAbleToDeck() and c:IsCanBeEffectTarget(e)
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.tdfilter(chkc) end
	local g=Duel.GetMatchingGroup(s.tdfilter,tp,LOCATION_GRAVE,0,nil,e)
	if chk==0 then return g:GetClassCount(Card.GetCode)>=3 and Duel.IsPlayerCanDraw(tp,3) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	aux.GCheckAdditional=aux.dncheck
	local sg=g:SelectSubGroup(tp,aux.TRUE,false,3,3)
	aux.GCheckAdditional=nil
	Duel.SetTargetCard(sg)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,g,3,0,0)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,3)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,nil,e)
	if tg:GetCount()<=0 then return end
	Duel.SendtoDeck(tg,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	local g=Duel.GetOperatedGroup()
	if g:IsExists(Card.IsLocation,1,nil,LOCATION_DECK) then Duel.ShuffleDeck(tp) end
	local ct=g:FilterCount(Card.IsLocation,nil,LOCATION_DECK)
	if ct>0 then
		Duel.BreakEffect()
		Duel.Draw(tp,3,REASON_EFFECT)
	end
end
