--斬機サーキュラー
--Mathmech Circular
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon itself from the hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Search 1 "Mathmech" Spell/Trap
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_SUMMON_SUCCESS)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e3)
end
s.listed_series={SET_MATHMECH}
s.listed_names={id}
function s.spcfilter(c)
	return c:IsSetCard(SET_MATHMECH) and c:IsMonster() and not c:IsCode(id) and c:IsAbleToGraveAsCost()
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.spcfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.spcfilter,tp,LOCATION_DECK,0,1,1,nil)
	Duel.SendtoGrave(g,REASON_COST)
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 c:IsRelateToEffect(e) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
	--Can only attack with 1 monster this turn
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetCode(EFFECT_CANNOT_ATTACK_ANNOUNCE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetCondition(function(e) return e:GetLabel()~=0 end)
	e1:SetTarget(function(e,c) return c:GetFieldID()~=e:GetLabel() end)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetCode(EVENT_ATTACK_ANNOUNCE)
	e2:SetLabelObject(e1)
	e2:SetOperation(s.checkop)
	e2:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e2,tp)
	aux.RegisterClientHint(c,0,tp,1,0,aux.Stringid(id,2))
end
function s.checkop(e,tp,eg,ep,ev,re,r,rp)
	local fid=eg:GetFirst():GetFieldID()
	e:GetLabelObject():SetLabel(fid)
end
function s.thcfilter(c,tp)
	return c:IsFaceup() and c:IsSetCard(SET_MATHMECH) and c:IsControler(tp)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return not eg:IsContains(e:GetHandler()) and eg:IsExists(s.thcfilter,1,nil,tp)
end
function s.thfilter(c)
	return c:IsSetCard(SET_MATHMECH) and c:IsSpellTrap() and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end