--闇竜星－ジョクト
--Jiaotu, Darkness of the Yang Zing
local s,id=GetID()
function s.initial_effect(c)
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.spcon)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_YANG_ZING}
s.listed_names={id}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsReason(REASON_DESTROY) and c:IsReason(REASON_BATTLE|REASON_EFFECT)
		and c:IsPreviousLocation(LOCATION_ONFIELD) and c:IsPreviousControler(tp)
end
function s.filter(c,e,tp)
	return c:IsSetCard(SET_YANG_ZING) and not c:IsCode(id) 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_ATTACK)
	end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)==1
end
function s.cfilter(c)
	return c:IsSetCard(SET_YANG_ZING) and c:IsAbleToGraveAsCost()
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND,0,2,nil) end
	Duel.DiscardHand(tp,s.cfilter,2,2,REASON_COST)
end
function s.spfilter1(c,e,tp)
	return c:IsSetCard(SET_YANG_ZING) and c:GetAttack()==0 and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_DECK,0,1,c,e,tp)
end
function s.spfilter2(c,e,tp)
	return c:IsSetCard(SET_YANG_ZING) and c:IsDefenseBelow(0) 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 not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>1
		and Duel.IsExistingMatchingCard(s.spfilter1,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,tp,LOCATION_DECK)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then return end
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<2 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g1=Duel.SelectMatchingCard(tp,s.spfilter1,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g2=Duel.SelectMatchingCard(tp,s.spfilter2,tp,LOCATION_DECK,0,1,1,g1:GetFirst(),e,tp)
	g1:Merge(g2)
	if #g1>0 then
		local fid=e:GetHandler():GetFieldID()
		local tc=g1:GetFirst()
		for tc in aux.Next(g1) do
			Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP)
			tc:RegisterFlagEffect(id,RESET_EVENT|RESETS_STANDARD,0,1,fid)
		end
		Duel.SpecialSummonComplete()
		g1:KeepAlive()
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e1:SetCountLimit(1)
		e1:SetLabel(fid)
		e1:SetLabelObject(g1)
		e1:SetCondition(s.rmcon)
		e1:SetOperation(s.rmop)
		Duel.RegisterEffect(e1,tp)
	end
end
function s.rmfilter(c,fid)
	return c:GetFlagEffectLabel(id)==fid
end
function s.rmcon(e,tp,eg,ep,ev,re,r,rp)
	local g=e:GetLabelObject()
	if not g:IsExists(s.rmfilter,1,nil,e:GetLabel()) then
		g:DeleteGroup()
		e:Reset()
		return false
	else return true end
end
function s.rmop(e,tp,eg,ep,ev,re,r,rp)
	local g=e:GetLabelObject()
	local tg=g:Filter(s.rmfilter,nil,e:GetLabel())
	Duel.Remove(tg,POS_FACEUP,REASON_EFFECT)
end