--四天の龍 クリアウィング・シンクロ・ドラゴン
local s,id,o=GetID()
function s.initial_effect(c)
	--Synchro summon
	aux.AddSynchroProcedure(c,nil,aux.NonTuner(nil),1)
	c:EnableReviveLimit()
	--destroy
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_CHAINING)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.desfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_EFFECT)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetMatchingGroup(s.desfilter,tp,0,LOCATION_MZONE,nil)
	if chk==0 then return #g>0 end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectMatchingCard(tp,s.desfilter,tp,0,LOCATION_MZONE,1,1,nil)
	if g:GetCount()>0 then
		Duel.HintSelection(g)
		if Duel.Destroy(g,REASON_EFFECT)~=0 then
			local rc=g:GetFirst()
			if rc:GetTextAttack()>=0
				and c:IsRelateToChain() and c:IsFaceup() then
				local e1=Effect.CreateEffect(c)
				e1:SetType(EFFECT_TYPE_SINGLE)
				e1:SetCode(EFFECT_UPDATE_ATTACK)
				e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_DISABLE)
				e1:SetValue(rc:GetTextAttack())
				c:RegisterEffect(e1)
			end
		end
	end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp
end
function s.spfilter(c,e,tp)
	return c:IsType(TYPE_TUNER) and c:IsLevelBelow(4) and c:IsAttribute(ATTRIBUTE_WIND) 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.GetLocationCount(tp,LOCATION_MZONE)>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.syncfilter(c,tp)
	return c:IsAttribute(ATTRIBUTE_WIND) and c:IsType(TYPE_SYNCHRO) and c:IsSynchroSummonable(nil)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<1 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp)
	if #g>0 then
		local tc=g:GetFirst()
		if Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP) then
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
			e1:SetCode(EFFECT_DISABLE)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
			local e2=Effect.CreateEffect(c)
			e2:SetType(EFFECT_TYPE_SINGLE)
			e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
			e2:SetCode(EFFECT_DISABLE_EFFECT)
			e2:SetValue(RESET_TURN_SET)
			e2:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e2)
		end
		Duel.SpecialSummonComplete()
		Duel.AdjustAll()
		if Duel.IsExistingMatchingCard(s.syncfilter,tp,LOCATION_EXTRA,0,1,nil,tp) and Duel.SelectYesNo(tp,aux.Stringid(id,2)) then
			Duel.BreakEffect()
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
			local g=Duel.SelectMatchingCard(tp,s.syncfilter,tp,LOCATION_EXTRA,0,1,1,nil,tp)
			Duel.SynchroSummon(tp,g:GetFirst(),nil)
		end
	end
end
