--竜咬蟲
--Dragonbite
--Scripted by Zefile
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 1 Level 4 or lower Insect from your hand
	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:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetCountLimit(1,{id,1})
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Increase Level
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_LVCHANGE)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,{id,2})
	e2:SetCost(s.lvcost)
	e2:SetTarget(s.lvtg)
	e2:SetOperation(s.lvop)
	c:RegisterEffect(e2)
end
function s.spfilter(c,e,tp)
	return c:IsLevelBelow(4) and c:IsRace(RACE_INSECT) 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.spfilter,tp,LOCATION_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
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.spfilter,tp,LOCATION_HAND,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.cfilter(c,tp)
	return (not c:IsOnField() or c:IsFaceup()) and c:IsRace(RACE_INSECT) and c:IsLevelBelow(4)
		and c:IsAbleToRemoveAsCost() and Duel.IsExistingTarget(aux.AND(Card.IsFaceup,Card.HasLevel),tp,LOCATION_MZONE,0,1,c)
		and aux.SpElimFilter(c,true,true)
end
function s.lvcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND|LOCATION_MZONE|LOCATION_GRAVE,0,1,nil,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_HAND|LOCATION_MZONE|LOCATION_GRAVE,0,1,1,nil,tp)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	e:SetLabel(g:GetFirst():GetLevel())
end
function s.lvtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and chkc:IsFaceup() and chkc:HasLevel() end
	if chk==0 then return true end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g=Duel.SelectTarget(tp,aux.AND(Card.IsFaceup,Card.HasLevel),tp,LOCATION_MZONE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_LVCHANGE,g,1,0,0)
end
function s.lvop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		--Increase Level
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_LEVEL)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetValue(e:GetLabel())
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e1)
	end
end