-------------------------------------------------------------------------------
-- Totem Icon Widget
-------------------------------------------------------------------------------
local ADDON_NAME, NAMESPACE = ...
local ThreatPlates = NAMESPACE.ThreatPlates

---------------------------------------------------------------------------------------------------
-- Imported functions and constants
---------------------------------------------------------------------------------------------------
local TotemNameBySpellID = ThreatPlates.TotemNameBySpellID
local TOTEMS = ThreatPlates.TOTEMS

local path = "Interface\\Addons\\TidyPlates_ThreatPlates\\Widgets\\TotemIconWidget\\"
-- local WidgetList = {}

---------------------------------------------------------------------------------------------------
-- Threat Plates functions
---------------------------------------------------------------------------------------------------

local function enabled()
	return TidyPlatesThreat.db.profile.totemWidget.ON
end

-- hides/destroys all widgets of this type created by Threat Plates
-- local function ClearAllWidgets()
-- 	for _, widget in pairs(WidgetList) do
-- 		widget:Hide()
-- 	end
-- end
-- ThreatPlatesWidgets.ClearAllTotemIconWidgets = ClearAllWidgets

-------------------------------------------------------------------------------

local function GetTotemInfo(name)
	local totem = TOTEMS[name]
	local db = TidyPlatesThreat.db.profile.totemSettings
	if totem then
		local texture =  path..db[totem][7].."\\"..totem
		return db[totem][3],texture
	else
		return false, nil
	end
end

---------------------------------------------------------------------------------------------------
-- Widget Functions for TidyPlates
---------------------------------------------------------------------------------------------------

local function UpdateSettings(frame)
	local db = TidyPlatesThreat.db.profile.totemWidget
	local size = db.scale
	frame:SetSize(size, size)
	frame:SetPoint(db.anchor, frame:GetParent(), db.x, db.y)
end

local function UpdateWidgetFrame(frame, unit)
	local isActive, texture = GetTotemInfo(unit.name)
	if isActive then
		frame.Icon:SetTexture(texture)
		UpdateSettings(frame)
		frame:Show()
	else
		frame:_Hide()
	end
end

-- Context
local function UpdateWidgetContext(frame, unit)
	local guid = unit.guid
	frame.guid = guid

	-- Add to Widget List
	-- if guid then
	-- 	WidgetList[guid] = frame
	-- end

	-- Custom Code II
	--------------------------------------
	if UnitGUID("target") == guid then
		UpdateWidgetFrame(frame, unit)
	else
		frame:_Hide()
	end
	--------------------------------------
	-- End Custom Code
end

local function ClearWidgetContext(frame)
	local guid = frame.guid
	if guid then
		-- WidgetList[guid] = nil
		frame.guid = nil
	end
end

local function CreateWidgetFrame(parent)
	-- Required Widget Code
	local frame = CreateFrame("Frame", nil, parent)
	frame:Hide()

	-- Custom Code III
	--------------------------------------
	frame:SetSize(64, 64)
	frame:SetFrameLevel(frame:GetParent():GetFrameLevel()+1)

	frame.Icon = frame:CreateTexture(nil, "OVERLAY")
	frame.Icon:SetPoint("CENTER",frame)
	frame.Icon:SetAllPoints(frame)
	--------------------------------------
	-- End Custom Code

	-- Required Widget Code
	frame.UpdateContext = UpdateWidgetContext
	frame.Update = UpdateWidgetFrame
	frame._Hide = frame.Hide
	frame.Hide = function() ClearWidgetContext(frame); frame:_Hide() end

	return frame
end

ThreatPlatesWidgets.RegisterWidget("TotemIconWidgetTPTP", CreateWidgetFrame, false, enabled)

