--クロス・キーパー
--Script by JSY1728
local s,id,o=GetID()
function s.initial_effect(c)
	--Special Summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND+LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Draw & Return to Deck
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DRAW+CATEGORY_TODECK)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.drcon)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToGraveAsCost() end
	Duel.SendtoGrave(e:GetHandler(),REASON_COST)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x3008,0x1f) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetMZoneCount(tp,e:GetHandler())>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local tc=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp):GetFirst()
	if tc and Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP)
		and tc:IsPreviousLocation(LOCATION_GRAVE) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_DISABLE)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_DISABLE_EFFECT)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		e2:SetValue(RESET_TURN_SET)
		tc:RegisterEffect(e2)
	end
	Duel.SpecialSummonComplete()
end
function s.cfilter(c,tp)
	return c:IsFaceup() and c:IsSetCard(0x3008) and c:IsType(TYPE_FUSION) and c:IsSummonPlayer(tp)
end
function s.drcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp) --not fully implemented
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2) end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(2)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,nil,1,tp,LOCATION_HAND)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	if Duel.Draw(p,d,REASON_EFFECT)==2 then
		Duel.ShuffleHand(p)
		Duel.Hint(HINT_SELECTMSG,p,HINTMSG_TODECK)
		local sg=Duel.SelectMatchingCard(p,Card.IsAbleToDeck,p,LOCATION_HAND,0,1,1,nil)
		if #sg>0 then
			Duel.BreakEffect()
			Duel.SendtoDeck(sg,nil,SEQ_DECKBOTTOM,REASON_EFFECT)
		end
	end
end
