--Ghoti Cosmos
--coded by Lyris
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_FISH)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local ct=Duel.GetMatchingGroupCount(s.cfilter,tp,LOCATION_REMOVED,LOCATION_REMOVED,nil)
	if chk==0 then return ct>0 end
	if ct>=8 then
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
	end
end
function s.filter(c,e,tp)
	return c:IsType(TYPE_SYNCHRO) and c:IsRace(RACE_FISH)
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_SYNCHRO,tp,false,false)
		and Duel.GetLocationCountFromEx(tp,tp,nil,c)>0
end
function s.activate(e,tp,eg,ep,ev,re,rp)
	local c=e:GetHandler()
	local ct=Duel.GetMatchingGroupCount(s.cfilter,tp,LOCATION_REMOVED,LOCATION_REMOVED,nil)
	if ct>0 then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
		e1:SetTargetRange(LOCATION_MZONE,0)
		e1:SetReset(RESET_PHASE+PHASE_END)
		e1:SetValue(1)
		Duel.RegisterEffect(e1,tp)
		Duel.BreakEffect()
	end
	if ct>3 then
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_FIELD)
		e2:SetCode(EFFECT_CANNOT_INACTIVATE)
		e2:SetTargetRange(LOCATION_MZONE,0)
		e2:SetReset(RESET_PHASE+PHASE_END)
		e2:SetValue(s.efilter)
		Duel.RegisterEffect(e2,tp)
		local e3=e2:Clone()
		e3:SetCode(EFFECT_CANNOT_DISEFFECT)
		Duel.RegisterEffect(e3,tp)
		Duel.BreakEffect()
	end
	if ct>7 and aux.MustMaterialCheck(nil,tp,EFFECT_MUST_BE_SMATERIAL)
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_EXTRA,0,1,nil,e,tp) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tc=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_EXTRA,0,1,1,nil,e,tp):GetFirst()
		tc:SetMaterial(nil)
		if Duel.SpecialSummon(tc,SUMMON_TYPE_SYNCHRO,tp,tp,false,false,POS_FACEUP)>0 then
			tc:CompleteProcedure()
		end
	end
end
function s.efilter(e,ct)
	local p=e:GetHandlerPlayer()
	local te,tp,loc=Duel.GetChainInfo(ct,CHAININFO_TRIGGERING_EFFECT,CHAININFO_TRIGGERING_PLAYER,CHAININFO_TRIGGERING_LOCATION)
	return p==tp and te:IsActiveType(TYPE_MONSTER) and te:GetHandler():IsRace(RACE_FISH) and loc&LOCATION_MZONE>0
end
