local g_updatingBars = {};

local function IsCloseEnough(bar, newValue, targetValue)
	local min, max = bar:GetMinMaxValues();
	local range = max - min;
	if range > 0.0 then
		return math.abs((newValue - targetValue) / range) < .00001;
	end

	return true;
end

local function ProcessSmoothStatusBars()
	for bar, targetValue in pairs(g_updatingBars) do
		local effectiveTargetValue = Clamp(targetValue, bar:GetMinMaxValues());
		local newValue = FrameDeltaLerp(bar:GetValue(), effectiveTargetValue, .25);

		if IsCloseEnough(bar, newValue, effectiveTargetValue) then
			g_updatingBars[bar] = nil;
			bar:SetValue(effectiveTargetValue);
		else
			bar:SetValue(newValue);
		end
	end
end

C_Timer.NewTicker(0, ProcessSmoothStatusBars);

SmoothStatusBarMixin = {};

function SmoothStatusBarMixin:ResetSmoothedValue(value) --If nil, tries to set to the last target value
	local targetValue = g_updatingBars[self];
	if targetValue then
		g_updatingBars[self] = nil;
		self:SetValue(value or targetValue);
	elseif value then
		self:SetValue(value);
	end
end

function SmoothStatusBarMixin:SetSmoothedValue(value)
	g_updatingBars[self] = value;
end

function SmoothStatusBarMixin:SetMinMaxSmoothedValue(min, max)
	self:SetMinMaxValues(min, max);

	local targetValue = g_updatingBars[self];
	if targetValue then
		local ratio = 1;
		if max ~= 0 and self.lastSmoothedMax and self.lastSmoothedMax ~= 0 then
			ratio = max / self.lastSmoothedMax;
		end

		g_updatingBars[self] = targetValue * ratio;
	end

	self.lastSmoothedMin = min;
	self.lastSmoothedMax = max;
end