--精霊の狩人
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--set
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PHASE+PHASE_STANDBY)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.setcon)
	e2:SetTarget(s.settg)
	e2:SetOperation(s.setop)
	c:RegisterEffect(e2)
	--special summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCondition(s.spcon)
	e3:SetCost(s.spcost)
	e3:SetTarget(s.sptg)
	e3:SetOperation(s.spop)
	c:RegisterEffect(e3)
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetTurnPlayer()==1-tp
end
function s.pfilter(c,tp)
	return c:IsType(TYPE_MONSTER) and not c:IsForbidden() and c:CheckUniqueOnField(tp)
end
function s.sfilter(c,e,tp)
	return c:GetOriginalType()&TYPE_MONSTER>0 and c:IsFaceup() and c:IsCanBeSpecialSummoned(e,0,1-tp,false,false,POS_FACEUP,1-tp)
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=0
	if e:IsHasType(EFFECT_TYPE_ACTIVATE) and not e:GetHandler():IsLocation(LOCATION_SZONE) then ft=1 end
	local b1=Duel.GetLocationCount(tp,LOCATION_SZONE)>ft
		and Duel.IsExistingMatchingCard(s.pfilter,tp,LOCATION_DECK,0,1,nil,tp)
	local b2=Duel.GetLocationCount(1-tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.sfilter,tp,LOCATION_SZONE,0,1,nil,e,tp)
	if chk==0 then return b1 or b2 end
	local op=0
	if b1 or b2 then
		op=aux.SelectFromOptions(tp,
			{b1,aux.Stringid(id,2),1},
			{b2,aux.Stringid(id,3),2})
	end
	e:SetLabel(op)
	if op==1 then
		e:SetCategory(0)
	elseif op==2 then
		e:SetCategory(CATEGORY_SPECIAL_SUMMON)
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_SZONE)
	end
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	if e:GetLabel()==1 then
		local c=e:GetHandler()
		if Duel.GetLocationCount(tp,LOCATION_SZONE)<=0 then return end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOFIELD)
		local g=Duel.SelectMatchingCard(tp,s.pfilter,tp,LOCATION_DECK,0,1,1,nil,tp)
		local tc=g:GetFirst()
		if tc then
			Duel.MoveToField(tc,tp,tc:GetOwner(),LOCATION_SZONE,POS_FACEUP,true)
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetCode(EFFECT_CHANGE_TYPE)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD-RESET_TURN_SET)
			e1:SetValue(TYPE_SPELL+TYPE_CONTINUOUS)
			tc:RegisterEffect(e1)
		end
	elseif e:GetLabel()==2 then
		if Duel.GetLocationCount(1-tp,LOCATION_MZONE)<=0 then return end
		local sg=Duel.GetMatchingGroup(s.sfilter,tp,LOCATION_SZONE,0,nil,e,tp)
		::cancel::
		if sg:GetCount()==0 or not Duel.SelectYesNo(tp,aux.Stringid(id,4)) then return false end
		Duel.Hint(HINT_SELECTMSG,1-tp,HINTMSG_SPSUMMON)
		local g=sg:CancelableSelect(1-tp,1,1,nil)
		if g==nil or g:GetCount()==0 then goto cancel end
		local tc=g:GetFirst()
		if tc and Duel.SpecialSummon(tc,0,1-tp,1-tp,false,false,POS_FACEUP)~=0 then
			Duel.BreakEffect()
			Duel.SetLP(1-tp,Duel.GetLP(1-tp)-tc:GetBaseAttack())
		end
	end
end
function s.spfilter(c,tp)
	return c:IsControler(1-tp) and c:GetOwner()==tp
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.spfilter,1,nil,tp)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsAbleToGraveAsCost() and c:IsStatus(STATUS_EFFECT_ENABLED) end
	Duel.SendtoGrave(c,REASON_COST)
end
function s.spfilter1(c,e,tp)
	return c:IsLevelBelow(4) 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.spfilter1,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop(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.spfilter1,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
