--ジェムナイト・ネピリム
local s,id,o=GetID()
function s.initial_effect(c)
	--search
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SEARCH|CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e2)
	--summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SUMMON)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id+o)
	e3:SetTarget(s.sumtg)
	e3:SetOperation(s.sumop)
	c:RegisterEffect(e3)
	--spsummon
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,2))
	e4:SetCategory(CATEGORY_SPECIAL_SUMMON|CATEGORY_TOGRAVE)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_DELAY)
	e4:SetCode(EVENT_TO_GRAVE)
	e4:SetCountLimit(1,id+o*2)
	e4:SetCondition(s.spcon)
	e4:SetTarget(s.sptg)
	e4:SetOperation(s.spop)
	c:RegisterEffect(e4)
end
function s.thfilter(c)
	return not c:IsCode(id) and c:IsSetCard(0x1047) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
	if Duel.GetFlagEffect(tp,51831560)==0 then
		Duel.RegisterFlagEffect(tp,51831560,RESET_PHASE+PHASE_END,0,1)
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetCode(EFFECT_CHANGE_DAMAGE)
		e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e1:SetTargetRange(0,1)
		e1:SetCondition(s.damcon)
		e1:SetValue(s.damval)
		e1:SetReset(RESET_PHASE+PHASE_END)
		Duel.RegisterEffect(e1,tp)
	end
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsMainPhase()
end
function s.damval(e,re,val,r,rp,rc)
	if r&REASON_EFFECT==REASON_EFFECT then
		return math.ceil(val/2)
	else return val end
end
function s.sumfilter(c)
	return c:IsSetCard(0x47) and c:IsSummonable(true,nil)
end
function s.sumtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanSummon(tp) and Duel.IsExistingMatchingCard(s.sumfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_SUMMON,nil,1,0,0)
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
end
function s.sumop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SUMMON)
	local tc=Duel.SelectMatchingCard(tp,s.sumfilter,tp,LOCATION_HAND+LOCATION_MZONE,0,1,1,nil):GetFirst()
	if tc then
		Duel.Summon(tp,tc,true,nil)
	end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_DECK+LOCATION_HAND)
end
function s.tgfilter(c)
	return c:IsAbleToGrave()
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and Duel.IsExistingMatchingCard(s.tgfilter,tp,LOCATION_HAND,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,nil,1,tp,LOCATION_HAND)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.tgfilter,tp,LOCATION_HAND,0,1,1,nil)
	local tc=g:GetFirst()
	if tc and Duel.SendtoGrave(g,REASON_EFFECT)~=0 and tc:IsLocation(LOCATION_GRAVE)
		and c:IsRelateToChain() and aux.NecroValleyFilter()(c) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
end
