local T, C, L = unpack(Tukui) -- Import: T - functions, constants, variables; C - config; L - locales
if C.classbar.totemTimers[1] ~= true or T.myclass ~= "SHAMAN" then return end

local tbWidth, tbHeight = C.classbar.totemTimers[2], C.classbar.totemTimers[3]

local total = 0
local delay = 0.01
local GetTotemInfo, SetValue, GetTime = GetTotemInfo, SetValue, GetTime

-- In the order, fire, earth, water, air
local colors = {
	[1] = {.58,.23,.10},
	[2] = {.23,.45,.13},
	[3] = {.19,.48,.60},
	[4] = {.42,.18,.74},
}

local mover = CreateFrame("Frame", "TukuiTotemTimersMover", UIParent)
mover:Width(tbWidth+4)
mover:Height(tbHeight+4)
mover:Point("TOP", UIParent, "CENTER", 0, -150)
mover:SetTemplate("Thin")
mover:SetBackdropBorderColor(1,0,0)
mover:SetClampedToScreen(true)
mover:SetMovable(true)
mover:SetFrameStrata("HIGH")
mover:AddText("text", "Move Totem Timers", "CENTER")
mover:Hide()
tinsert(T.AllowFrameMoving, mover)

local tTimers = CreateFrame("Frame", "TukuiTotemTimers", UIParent)
tTimers:Width(tbWidth)
tTimers:Height(tbHeight)
tTimers:Point("CENTER", mover)

local totems = {}

for i=1,4 do
	totems[i] = CreateFrame("StatusBar", "TukuiTotemTimers_TotemBar"..i, tTimers)
	totems[i]:SetWidth((tbWidth-15) / 4)
	totems[i]:SetHeight(tbHeight)
	if totems[i]:GetHeight() > totems[i]:GetWidth() then
		totems[i]:SetOrientation("VERTICAL")
	else
		totems[i]:SetOrientation("HORIZONTAL")
	end
	totems[i]:SetStatusBarTexture(C.media.normTex)
	totems[i]:CreateBackdrop("Transparent")
	totems[i].backdrop:ThickBorder()

	totems[i]:FontString("timer", unpack(C.pFont))
	totems[i].timer:SetPoint("CENTER", 0, 1)
end

-- re-arrange the order
totems[2]:Point("LEFT", tTimers, "LEFT", 0, 0)
totems[1]:Point("LEFT", totems[2], "RIGHT", 5, 0)
totems[3]:Point("LEFT", totems[1], "RIGHT", 5, 0)
totems[4]:Point("LEFT", totems[3], "RIGHT", 5, 0)

function ToClock(seconds)
	seconds = ceil(tonumber(seconds))
	if(seconds <= 0) then
		return " "
	elseif seconds < 600 then
		local d, h, m, s = ChatFrame_TimeBreakDown(seconds)
		return format("%01d:%02d", m, s)
	elseif(seconds < 3600) then
		local d, h, m, s = ChatFrame_TimeBreakDown(seconds);
		return format("%02d:%02d", m, s)
	else
		return "1 hr+"
	end
end

local function GetTimeLeft(slot)
	local havetotem, name, startTime, duration, totemIcon = GetTotemInfo(slot)
	return (duration-(GetTime() - startTime))
end

local function UpdateSlot()
	for slot=1, 4 do
		local havetotem, name, startTime, duration, totemIcon = GetTotemInfo(slot)
		totems[slot]:SetStatusBarColor(unpack(colors[slot]))
		totems[slot]:SetValue(0)

		totems[slot].ID = slot

		-- If we have a totems then set his value
		if(havetotem) then
			if(duration >= 0) then
				totems[slot]:SetMinMaxValues(0, duration)
				totems[slot]:SetValue(GetTimeLeft(slot)) -- -(GetTime() - startTime))
				totems[slot].timer:SetText()
				-- Status bar update
				totems[slot]:SetScript("OnUpdate",function(self,elapsed)
						total = total + elapsed
						if total >= delay then
							total = 0
							havetotem, name, startTime, duration, totemIcon = GetTotemInfo(self.ID)
							if (GetTimeLeft(slot) >= 0) then --(GetTime() - startTime) <= 0) then
								self:SetValue(GetTimeLeft(slot))
								totems[slot].timer:SetText(ToClock(GetTimeLeft(slot)))
							else
								self:SetValue(0)
								totems[slot].timer:SetText(" ")
							end
						end
					end)
			else
				-- There's no need to update because it doesn't have any duration
				totems[slot]:SetScript("OnUpdate",nil)
				totems[slot]:SetValue(0)
			end
		else
			-- No totems = no time
			totems[slot]:SetValue(0)
		end
	end
end

tTimers:RegisterEvent("PLAYER_ENTERING_WORLD")
tTimers:RegisterEvent("PLAYER_TOTEM_UPDATE")
tTimers:SetScript("OnEvent", UpdateSlot)

local vehicle = CreateFrame("Frame")
vehicle:RegisterEvent("VEHICLE_UPDATE")
vehicle:SetScript("OnEvent", function()
	if UnitHasVehicleUI("player") then
		tTimers:Hide()
	else
		tTimers:Show()
	end
end)