--チョバムアーマー・ドラゴン
--Chobham Armor Dragon
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon itself from hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Add 1 other DARK monster from your GY to your hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetAttacker():IsControler(1-tp) and Duel.GetAttackTarget()==nil
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,POS_FACEUP_ATTACK) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,tp,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP_ATTACK)>0 then
		--Cannot be destroyed by battle
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(3000)
		e1:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
		e1:SetValue(1)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
		--Halve battle damage involving this card
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_CHANGE_BATTLE_DAMAGE)
		e2:SetValue(aux.ChangeBattleDamage(0,HALF_DAMAGE))
		e2:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e2)
	end
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsLocation(LOCATION_GRAVE) and r&REASON_LINK==REASON_LINK
end
function s.thfilter1(c)
	return c:IsAttribute(ATTRIBUTE_DARK) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.thfilter1(chkc) and chkc~=c end
	if chk==0 then return Duel.IsExistingTarget(s.thfilter1,tp,LOCATION_GRAVE,0,1,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.thfilter1,tp,LOCATION_GRAVE,0,1,1,c)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,tp,0)
	Duel.SetPossibleOperationInfo(0,CATEGORY_TOHAND,nil,1,1-tp,LOCATION_GRAVE)
end
function s.thfilter2(c)
	return c:IsMonster() and c:IsAbleToHand()
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
	local g=Duel.GetMatchingGroup(aux.NecroValleyFilter(s.thfilter2),tp,0,LOCATION_GRAVE,nil)
	if #g>0 and Duel.SelectYesNo(1-tp,aux.Stringid(id,2)) then
		Duel.Hint(HINT_SELECTMSG,1-tp,HINTMSG_ATOHAND)
		local sg=g:Select(1-tp,1,1,nil)
		Duel.SendtoHand(sg,nil,REASON_EFFECT)
		Duel.ConfirmCards(tp,sg)
	end
end