--Tossina Nera del Mondoassillo || Black Toxin of Worldsbane
--Scripted by: XGlitchy30

local s,id=GetID()

function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--qp activate during oppo's turn
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_QP_ACT_IN_NTPHAND)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.actcon)
	c:RegisterEffect(e2)
end
--activate
function s.cfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_MONSTER) and c:IsRace(RACE_REPTILE)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil) then return false end
	return Duel.GetCurrentPhase()~=PHASE_DAMAGE or not Duel.IsDamageCalculated()
end
function s.filter(c)
	return c:IsFaceup() and (not c:IsRace(RACE_REPTILE) or c:GetAttack()~=0 or c:GetFlagEffect(id)<=0)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g=Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_ATKCHANGE,g,#g,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil) then return end
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) and tc:IsFaceup() and tc:IsType(TYPE_MONSTER) then
		if tc:GetFlagEffect(id)==0 then
			tc:RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END,0,1)
		end
		local e0=Effect.CreateEffect(e:GetHandler())
		e0:SetType(EFFECT_TYPE_SINGLE)
		e0:SetCode(EFFECT_CHANGE_RACE)
		e0:SetValue(RACE_REPTILE)
		e0:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e0)
		--Original ATK becomes 100
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetValue(0)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		--Cannot be destroyed by battle or card effect
		local e2=Effect.CreateEffect(e:GetHandler())
		e2:SetDescription(aux.Stringid(id,1))
		e2:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_CANNOT_TRIGGER)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e2)
	end
end
--qp act
function s.qpfilter(c)
	return c:IsFacedown() or (c:IsType(TYPE_MONSTER) and not c:IsRace(RACE_REPTILE))
end
function s.actcon(e)
	return not Duel.IsExistingMatchingCard(s.qpfilter,e:GetHandlerPlayer(),LOCATION_MZONE,0,1,nil)
end