local module = ArcHUD:NewModule("TargetMana")
module.unit = "target"
module.defaults = {
	Enabled = false,
	Outline = true,
	ShowPerc = true,
	Side = 2,
	Level = 2,
}
module.options = {
	{name = "ShowPerc", text = "SHOWPERC", tooltip = "SHOWPERC"},
	attach = true,
}
module.localized = true

function module:Initialize()
	-- Setup the frame we need
	self.f = self:CreateRing(true, ArcHUDFrame)
	self.f:SetAlpha(0)

	self.MPPerc = self:CreateFontString(self.f, "BACKGROUND", {40, 12}, 11, "RIGHT", {1.0, 1.0, 1.0}, {"TOPLEFT", self.f, "BOTTOMLEFT", -100, -115})
end

function module:Update()
	if(self.db.profile.ShowPerc) then
		self.MPPerc:Show()
	else
		self.MPPerc:Hide()
	end

	if(self.db.profile.Outline) then
		self.f.BG:Show()
	else
		self.f.BG:Hide()
	end

	-- Clear all points for the ring
	self.f:ClearAllPoints()

	-- Clear all points for the percentage display
	self.MPPerc:ClearAllPoints()
	self.f:SetValue(0)
	if(self.db.profile.Side == 1) then
		-- Attach to left side
		self.f:SetPoint("TOPLEFT", self.parent:GetModule("Anchors").Left, "TOPLEFT", self.db.profile.Level * -15, 0)
		self.MPPerc:SetPoint("TOPLEFT", self.f, "BOTTOMLEFT", -100, -115)
		self.f.BG:SetReversed(false)
		self.f:SetReversed(false)
	else
		-- Attach to right side
		self.f:SetPoint("TOPRIGHT", self.parent:GetModule("Anchors").Right, "TOPRIGHT", self.db.profile.Level * 15, 0)
		self.MPPerc:SetPoint("TOPLEFT", self.f, "BOTTOMLEFT", 50, -115)
		self.f.BG:SetReversed(true)
		self.f:SetReversed(true)
	end
	if(UnitExists(self.unit)) then
		self.f:SetValue(UnitMana(self.unit))
	end
	self.f.BG:SetAngle(180)
end

function module:Enable()
	self.f:UpdateColor({["r"] = 1, ["g"] = 0, ["b"] = 0})
	if not UnitExists(self.unit) then
		self.f:SetMax(100)
		self.f:SetValue(0)
		self.MPPerc:SetText("")
	else
		self.f:SetMax(UnitManaMax(self.unit))
		self.f:SetValue(UnitMana(self.unit))
		self.MPPerc:SetText(floor((UnitMana(self.unit) / UnitManaMax(self.unit)) * 100).."%")
	end

	-- Register the events we will use
	self:RegisterEvent("UNIT_MANA",			"UpdateMana")
	self:RegisterEvent("UNIT_MAXMANA",		"UpdateMana")
	self:RegisterEvent("UNIT_ENERGY",		"UpdateMana")
	self:RegisterEvent("UNIT_MAXENERGY",	"UpdateMana")
	self:RegisterEvent("UNIT_RAGE",			"UpdateMana")
	self:RegisterEvent("UNIT_MAXRAGE",		"UpdateMana")
	self:RegisterEvent("UNIT_FOCUS",		"UpdateMana")
	self:RegisterEvent("UNIT_MAXFOCUS",		"UpdateMana")
	self:RegisterEvent("UNIT_DISPLAYPOWER")
	self:RegisterEvent("PLAYER_TARGET_CHANGED")

	-- Activate the timers
	self:StartMetro(self.name .. "Alpha")
	self:StartMetro(self.name .. "Fade")
	self:StartMetro(self.name .. "Update")

	self.f:Show()
end

function module:PLAYER_TARGET_CHANGED()
	self.f.alphaState = -1
	if(not UnitExists(self.unit)) then
		self.f:SetMax(100)
		self.f:SetValue(0)
		self.MPPerc:SetText("")
	else
		self.f.pulse = false
		self.f:SetMax(UnitManaMax(self.unit))
		self.f:UpdateColor(ManaBarColor[UnitPowerType(self.unit)])
		if(UnitIsDead(self.unit) or UnitIsGhost(self.unit) or UnitManaMax(self.unit) == 0) then
			self.f:SetValue(0)
			self.MPPerc:SetText("")
		else
			self.f:SetValue(UnitMana(self.unit))
			self.MPPerc:SetText(floor((UnitMana(self.unit) / UnitManaMax(self.unit)) * 100).."%")
		end
	end
end

function module:UNIT_DISPLAYPOWER()
	if(arg1 ~= self.unit) then return end

	self.f:UpdateColor(ManaBarColor[UnitPowerType(self.unit)])
	self.f:SetValue(UnitMana(self.unit))
	self.f:SetMax(UnitManaMax(self.unit))

	if(UnitManaMax(self.unit) > 0) then
		self.MPPerc:SetText(floor((UnitMana(self.unit) / UnitManaMax(self.unit)) * 100).."%")
	else
		self.MPPerc:SetText("")
	end
end

function module:UpdateMana()
	if(event == "UNIT_MAXMANA" or event == "UNIT_MAXENERGY" or event == "UNIT_MAXRAGE" or event == "UNIT_MAXFOCUS") then
		self.f:SetMax(UnitManaMax(self.unit))
		if(UnitManaMax(self.unit) > 0) then
			self.MPPerc:SetText(floor((UnitMana(self.unit) / UnitManaMax(self.unit)) * 100).."%")
		else
			self.MPPerc:SetText("")
		end
	else
		self.f:SetValue(UnitMana(self.unit))
		if(UnitManaMax(self.unit) > 0) then
			self.MPPerc:SetText(floor((UnitMana(self.unit) / UnitManaMax(self.unit)) * 100).."%")
		else
			self.MPPerc:SetText("")
		end
	end
end