--ゴーティスの妖精シフ
local s,id,o=GetID()
---@param c Card
function s.initial_effect(c)
	--increase atk
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCost(aux.bfgcost)
	e1:SetTarget(s.atkuptg)
	e1:SetOperation(s.atkupop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_REMOVE)
	e2:SetOperation(s.spreg)
	c:RegisterEffect(e2)
	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_REMOVED)
	e3:SetCode(EVENT_PHASE+PHASE_STANDBY)
	e3:SetCountLimit(1,id+o)
	e3:SetCondition(s.spcon)
	e3:SetTarget(s.sptg)
	e3:SetOperation(s.spop)
	e3:SetLabelObject(e2)
	c:RegisterEffect(e3)
	--synchro
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,2))
	e4:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e4:SetType(EFFECT_TYPE_QUICK_O)
	e4:SetCode(EVENT_FREE_CHAIN)
	e4:SetRange(LOCATION_MZONE)
	e4:SetCountLimit(1,id+o*2)
	e4:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_MAIN_END)
	e4:SetCondition(s.syncon)
	e4:SetTarget(s.syntg)
	e4:SetOperation(s.synop)
	c:RegisterEffect(e4)
end
function s.filter(c)
	return c:IsFaceup() and c:IsRace(RACE_FISH)
end
function s.atkuptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,s.filter,tp,LOCATION_MZONE,0,1,1,nil)
end
function s.atkupop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(500)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
	end
end
function s.spreg(e,tp,eg,ep,ev,re,r,rp)
	local ct=Duel.GetTurnCount()
	e:SetLabel(ct)
	e:GetHandler():RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END,0,2)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetLabelObject():GetLabel()~=Duel.GetTurnCount() and e:GetHandler():GetFlagEffect(id)>0
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) end
	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()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
end
function s.syncon(e,tp,eg,ep,ev,re,r,rp)
	local ph=Duel.GetCurrentPhase()
	return Duel.GetTurnPlayer()~=tp and (ph==PHASE_MAIN1 or ph==PHASE_MAIN2)
		and e:GetHandler():IsStatus(STATUS_SPSUMMON_TURN)
end
function s.sfilter(c,tc)
	return c:IsRace(RACE_FISH) and c:IsSynchroSummonable(tc)
end
function s.syntg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.sfilter,tp,LOCATION_EXTRA,0,1,nil,e:GetHandler()) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.synop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsControler(1-tp) or not c:IsRelateToEffect(e) or c:IsFacedown() then return end
	local g=Duel.GetMatchingGroup(s.sfilter,tp,LOCATION_EXTRA,0,nil,c)
	if #g>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local sc=g:Select(tp,1,1,nil):GetFirst()
		Duel.SynchroSummon(tp,sc,c)
	end
end
