--Sverdånd Livsvåpen - Sköfnung
--Scripted by: XGlitchy30

local s,id=GetID()
function s.initial_effect(c)
	c:SetUniqueOnField(1,0,id)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_CONTINUOUS_TARGET)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--instant equip effect
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_EQUIP)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCondition(s.tscon)
	e2:SetOperation(s.tsop)
	c:RegisterEffect(e2)
	--Atk up
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_EQUIP)
	e3:SetCode(EFFECT_UPDATE_ATTACK)
	e3:SetValue(900)
	c:RegisterEffect(e3)
	--Equip limit
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_SINGLE)
	e4:SetCode(EFFECT_EQUIP_LIMIT)
	e4:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e4:SetValue(s.eqlimit)
	c:RegisterEffect(e4)
	--recover
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(id,2))
	e5:SetCategory(CATEGORY_RECOVER)
	e5:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e5:SetCode(EVENT_DAMAGE)
	e5:SetRange(LOCATION_SZONE)
	e5:SetCondition(s.rccon)
	e5:SetTarget(s.rctg)
	e5:SetOperation(s.rcop)
	c:RegisterEffect(e5)
	--fusion summon
	local e6=Effect.CreateEffect(c)
	e6:SetDescription(aux.Stringid(id,3))
	e6:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_FUSION_SUMMON)
	e6:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e6:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e6:SetCode(EVENT_TO_GRAVE)
	e6:SetCountLimit(1,id)
	e6:SetCondition(s.fuscon)
	e6:SetTarget(s.fustg)
	e6:SetOperation(s.fusop)
	c:RegisterEffect(e6)
	--register damage
	if not s.global_check then
		s.global_check=true
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_DAMAGE)
		ge1:SetOperation(s.checkop)
		Duel.RegisterEffect(ge1,0)
	end
end
--register damage
function s.checkop(e,tp,eg,ep,ev,re,r,rp)
	if ev<=0 then return end
	if rp==1-ep then
		Duel.RegisterFlagEffect(ep,id,RESET_PHASE+PHASE_END,0,1)
	end
end

function s.eqlimit(e,c)
	return c:IsAttribute(ATTRIBUTE_FIRE+ATTRIBUTE_WATER) and c:IsRace(RACE_WARRIOR)
end
function s.filter(c)
	return c:IsFaceup() and s.eqlimit(nil,c)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	Duel.SelectTarget(tp,s.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,e:GetHandler(),1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if e:GetHandler():IsRelateToEffect(e) and tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.Equip(tp,e:GetHandler(),tc)
	end
end

function s.tscon(e,tp,eg,ev,ep,re,r,rp)
	return eg:IsContains(e:GetHandler()) and e:GetHandler():GetEquipTarget():IsLocation(LOCATION_MZONE)
end
function s.tsop(e,tp,eg,ev,ep,re,r,rp)
	if not Duel.IsExistingMatchingCard(aux.TRUE,tp,0,LOCATION_ONFIELD,1,nil) then return end
	Duel.Hint(HINT_CARD,tp,id)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectMatchingCard(tp,aux.TRUE,tp,0,LOCATION_ONFIELD,1,1,nil)
	if #g>0 then
		Duel.HintSelection(g)
		Duel.Destroy(g,REASON_EFFECT)
	end
end

function s.rccon(e,tp,eg,ep,ev,re,r,rp)
	local cet=e:GetHandler():GetEquipTarget()
	return ep~=tp and ((eg and eg:GetFirst()==cet) or (re and re:GetHandler()==cet)) and r&REASON_BATTLE>0
end
function s.rctg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(ev)
	Duel.SetOperationInfo(0,CATEGORY_RECOVER,nil,0,tp,ev)
end
function s.rcop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Recover(p,d,REASON_EFFECT)
	--
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CHANGE_RECOVER)
	e1:SetTargetRange(1,0)
	e1:SetValue(0)
	Duel.RegisterEffect(e1,1-tp)
end

function s.fuscon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function s.filter0(c,tp)
	return (Duel.GetFlagEffect(tp,id)>0 and c:IsAbleToHand() or Duel.GetFlagEffect(tp,id)==0 and c:IsAbleToRemove()) and c:IsCanBeFusionMaterial()
end
function s.filter1(c,tp,e)
	return s.filter0(c,tp) and not c:IsImmuneToEffect(e)
end
function s.filter2(c,e,tp,m,f,chkf)
	return c:IsType(TYPE_FUSION) and c:IsRace(RACE_WARRIOR) and (not f or f(c))
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_FUSION,tp,false,false) and c:CheckFusionMaterial(m,nil,chkf)
end
function s.fustg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local chkf=tp
		local mg1=Duel.GetFusionMaterial(tp,LOCATION_MZONE+LOCATION_GRAVE):Filter(s.filter0,nil,tp)
		local res=Duel.IsExistingMatchingCard(s.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg1,nil,chkf)
		if not res then
			local ce=Duel.GetChainMaterial(tp)
			if ce~=nil then
				local fgroup=ce:GetTarget()
				local mg3=fgroup(ce,e,tp)
				local mf=ce:GetValue()
				res=Duel.IsExistingMatchingCard(s.filter2,tp,LOCATION_EXTRA,0,1,nil,e,tp,mg3,mf,chkf)
			end
		end
		return res
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
	local cat=(Duel.GetFlagEffect(tp,id)>0) and CATEGORY_TOHAND or CATEGORY_REMOVE
	Duel.SetOperationInfo(0,cat,nil,1,tp,LOCATION_ONFIELD+LOCATION_GRAVE)
end
function s.fusop(e,tp,eg,ep,ev,re,r,rp)
	local chkf=tp
	local mg1=Duel.GetFusionMaterial(tp,LOCATION_MZONE+LOCATION_GRAVE):Filter(s.filter1,nil,tp,e)
	local sg1=Duel.GetMatchingGroup(s.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg1,nil,chkf)
	local mg3=nil
	local sg2=nil
	local ce=Duel.GetChainMaterial(tp)
	if ce~=nil then
		local fgroup=ce:GetTarget()
		mg3=fgroup(ce,e,tp)
		local mf=ce:GetValue()
		sg2=Duel.GetMatchingGroup(s.filter2,tp,LOCATION_EXTRA,0,nil,e,tp,mg3,mf,chkf)
	end
	if sg1:GetCount()>0 or (sg2~=nil and sg2:GetCount()>0) then
		local sg=sg1:Clone()
		if sg2 then sg:Merge(sg2) end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tg=sg:Select(tp,1,1,nil)
		local tc=tg:GetFirst()
		if sg1:IsContains(tc) and (sg2==nil or not sg2:IsContains(tc) or not Duel.SelectYesNo(tp,ce:GetDescription())) then
			local mat1=Duel.SelectFusionMaterial(tp,tc,mg1,nil,chkf)
			tc:SetMaterial(mat1)
			if Duel.GetFlagEffect(tp,id)>0 then
				Duel.SendtoHand(mat1,nil,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
				Duel.ConfirmCards(1-tp,mat1)
			else
				Duel.Remove(mat1,POS_FACEUP,REASON_EFFECT+REASON_MATERIAL+REASON_FUSION)
			end
			Duel.BreakEffect()
			Duel.SpecialSummon(tc,SUMMON_TYPE_FUSION,tp,tp,false,false,POS_FACEUP)
		else
			local mat2=Duel.SelectFusionMaterial(tp,tc,mg3,nil,chkf)
			local fop=ce:GetOperation()
			fop(ce,e,tp,tc,mat2)
		end
		tc:CompleteProcedure()
	end
end