--アイスエイジ・カタパルト
--Ice Age Catapult
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCondition(s.condition)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsStatus(STATUS_SUMMON_TURN)
end
function s.cfilter(c)
	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsAbleToDeckOrExtraAsCost()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_GRAVE,0,1,e:GetHandler(),e,tp) end
end
function s.rthfilter(c)
	return c:IsSpellTrap() and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.rthfilter,tp,0,LOCATION_ONFIELD,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	--Requirement
	local tg=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.HintSelection(tg)
	if Duel.SendtoDeck(tg,nil,SEQ_DECKBOTTOM,REASON_COST)~=1 then return end
	--Effect
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
	local g=Duel.SelectMatchingCard(tp,s.rthfilter,tp,0,LOCATION_ONFIELD,1,1,nil)
	if #g<1 then return end
	Duel.HintSelection(g)
	if Duel.SendtoHand(g,nil,REASON_EFFECT)>0 and Duel.IsExistingMatchingCard(aux.FilterMaximumSideFunctionEx(Card.IsFaceup),tp,0,LOCATION_MZONE,1,nil)
		and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
		local g2=Duel.SelectMatchingCard(tp,aux.FilterMaximumSideFunctionEx(Card.IsFaceup),tp,0,LOCATION_MZONE,1,1,nil)
		if #g2>0 then
			Duel.BreakEffect()
			Duel.HintSelection(g2)
			local c=e:GetHandler()
			local tc=g2:GetFirst()
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_UPDATE_ATTACK)
			e1:SetValue(-600)
			e1:SetReset(RESETS_STANDARD_PHASE_END)
			tc:RegisterEffect(e1)
			local e2=e1:Clone()
			e2:SetCode(EFFECT_UPDATE_DEFENSE)
			tc:RegisterEffect(e2)
		end
	end
end
