local AceOO = AceLibrary("AceOO-2.0")

local DogTag = nil

local PetMana = AceOO.Class(IceUnitBar)

-- Constructor --
function PetMana.prototype:init()
	PetMana.super.prototype.init(self, "PetMana", "pet")
	
	self:SetDefaultColor("PetMana", 62, 54, 152)
	self:SetDefaultColor("PetRage", 171, 59, 59)
	self:SetDefaultColor("PetEnergy", 218, 231, 31)
	self:SetDefaultColor("PetFocus", 242, 149, 98)
	
	self.scalingEnabled = true

	if AceLibrary:HasInstance("LibDogTag-2.0") then
		DogTag = AceLibrary("LibDogTag-2.0")
	end
end


-- OVERRIDE
function PetMana.prototype:GetDefaultSettings()
	local settings = PetMana.super.prototype.GetDefaultSettings(self)

	settings["side"] = IceCore.Side.Right
	settings["offset"] = -1
	settings.scale = 0.7
	settings["upperText"] = ""
	settings["lowerText"] = "[PercentMP:Round]"

	return settings
end


-- OVERRIDE
function PetMana.prototype:CreateFrame()
	PetMana.super.prototype.CreateFrame(self)

	local point, relativeTo, relativePoint, xoff, yoff = self.frame.bottomUpperText:GetPoint()
	if (point == "TOPLEFT") then
		point = "BOTTOMLEFT"
	else
		point = "BOTTOMRIGHT"
	end
	
	self.frame.bottomUpperText:ClearAllPoints()
	self.frame.bottomUpperText:SetPoint(point, relativeTo, relativePoint, 0, 0)
end


function PetMana.prototype:Enable(core)
	PetMana.super.prototype.Enable(self, core)

	self:RegisterEvent("PET_UI_UPDATE",	 "CheckPet");
	self:RegisterEvent("PLAYER_PET_CHANGED", "CheckPet");
	self:RegisterEvent("PET_BAR_CHANGED", "CheckPet");
	self:RegisterEvent("UNIT_PET", "CheckPet");
	
	self:RegisterEvent("UNIT_MANA", "Update")
	self:RegisterEvent("UNIT_MAXMANA", "Update")
	self:RegisterEvent("UNIT_RAGE", "Update")
	self:RegisterEvent("UNIT_MAXRAGE", "Update")
	self:RegisterEvent("UNIT_ENERGY", "Update")
	self:RegisterEvent("UNIT_MAXENERGY", "Update")
	self:RegisterEvent("UNIT_FOCUS", "Update")
	self:RegisterEvent("UNIT_MAXFOCUS", "Update")

	self:RegisterEvent("UNIT_DISPLAYPOWER", "ManaType")

	self:CheckPet()
	self:ManaType(self.unit)
end


function PetMana.prototype:CheckPet()
	if (UnitExists(self.unit)) then
		self.frame:Show()
		self:Update(self.unit)
	else
		self.frame:Hide()
	end
end


function PetMana.prototype:ManaType(unit)
	if (unit ~= self.unit) then
		return
	end
	
	self.manaType = UnitPowerType(self.unit)
	self:Update(self.unit)
end


function PetMana.prototype:Update(unit)
	PetMana.super.prototype.Update(self)
	if (unit and (unit ~= self.unit)) then
		return
	end
	
	if ((not UnitExists(unit)) or (self.maxMana == 0)) then
		self.frame:Hide()
		return
	else	
		self.frame:Show()
	end
	
	local color = "PetMana"
	if (self.moduleSettings.scaleManaColor) then
		color = "ScaledManaColor"
	end
	if not (self.alive) then
		color = "Dead"
	else
		if (self.manaType == 1) then
			color = "PetRage"
		elseif (self.manaType == 2) then
			color = "PetFocus"
		elseif (self.manaType == 3) then
			color = "PetEnergy"
		end
	end
	
	self:UpdateBar(self.mana/self.maxMana, color)

	if DogTag ~= nil then
		if self.moduleSettings.upperText ~= nil and self.moduleSettings.upperText ~= '' then
			self:SetBottomText1(DogTag:Evaluate("player", self.moduleSettings.upperText))
		end
		if self.moduleSettings.lowerText ~= nil and self.moduleSettings.lowerText ~= '' then
			self:SetBottomText2(DogTag:Evaluate("player", self.moduleSettings.lowerText))
		end
	else
		self:SetBottomText1(self.manaPercentage)
	end
end


-- OVERRIDE
function PetMana.prototype:GetOptions()
	local opts = PetMana.super.prototype.GetOptions(self)

	opts["scaleManaColor"] = {
		type = "toggle",
		name = "Color bar by mana %",
		desc = "Colors the mana bar from MaxManaColor to MinManaColor based on current mana %",
		get = function()
			return self.moduleSettings.scaleManaColor
		end,
		set = function(value)
			self.moduleSettings.scaleManaColor = value
			self:Redraw()
		end,
		disabled = function()
			return not self.moduleSettings.enabled
		end,
		order = 51
	}

	return opts
end



-- Load us up
IceHUD.PetMana = PetMana:new()