--Arcarum XVIII - LA LUNA
--Script by XGlitchy30
local cid,id=GetID()
function cid.initial_effect(c)
	--spsummon self
	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_DELAY)
	e1:SetCode(EVENT_DRAW)
	e1:SetCountLimit(1)
	e1:SetCondition(cid.spcon)
	e1:SetCost(cid.spcost)
	e1:SetTarget(cid.sptg)
	e1:SetOperation(cid.spop)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DRAW+CATEGORY_HANDES)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_PREDRAW)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(cid.drawcon)
	e2:SetTarget(cid.drawtg)
	e2:SetOperation(cid.drawop)
	c:RegisterEffect(e2)
	--protection
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_BATTLE_START)
	e3:SetCondition(cid.proccon)
	e3:SetOperation(cid.procop)
	c:RegisterEffect(e3)
end
--filters
--spsummon self
function cid.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetCurrentPhase()==PHASE_DRAW and Duel.GetTurnPlayer()==tp and r==REASON_RULE
end
function cid.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	if Duel.GetCurrentPhase()==PHASE_DRAW and Duel.GetTurnPlayer()==tp then
		e:GetHandler():RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_DRAW+RESET_SELF_TURN-RESET_TOFIELD,0,2,Duel.GetTurnCount())
	else
		e:GetHandler():RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_DRAW+RESET_SELF_TURN-RESET_TOFIELD,0,1,0)
	end
end
function cid.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function cid.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
end
--draw
function cid.drawcon(e,tp,eg,ep,ev,re,r,rp)
	local tid=e:GetHandler():GetFlagEffectLabel(id)
	return tid and tid~=Duel.GetTurnCount() and Duel.GetTurnPlayer()==tp and Duel.GetDrawCount(tp)>0
end
function cid.drawtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
	Duel.SetOperationInfo(0,CATEGORY_HANDES,nil,0,tp,1)
end
function cid.drawop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	if Duel.Draw(p,d,REASON_EFFECT)~=0 then
		Duel.ShuffleHand(tp)
		Duel.BreakEffect()
		Duel.DiscardHand(tp,nil,1,1,REASON_EFFECT+REASON_DISCARD)
	end
end
--protection
function cid.proccon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local bc=c:GetBattleTarget()
	return bc and bc:IsControler(1-tp) and bc:IsSummonType(SUMMON_TYPE_SPECIAL)
end
function cid.procop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_IGNORE_IMMUNE+EFFECT_FLAG_UNCOPYABLE)
		e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
		e1:SetValue(1)
		e1:SetReset(RESET_PHASE+PHASE_DAMAGE)
		c:RegisterEffect(e1)
		local e2=e1:Clone()
		e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
		c:RegisterEffect(e2)
	end
end