if not WeakAuras.IsLibsOK() then return end

local AddonName = ...
local Private = select(2, ...)

-- This is a more or less 1:1 copy of SmoothStatusBarMixin except that it
-- doesn't clamp the targetValue in ProcessSmoothStatusBars, because that's incorrect for us
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) < 0.00001;
  end

  return true;
end

local function ProcessSmoothStatusBars(self, elapsed)
  for bar, targetValue in pairs(g_updatingBars) do
    local newValue = FrameDeltaLerp(bar:GetValue(), targetValue, 0.25, elapsed);

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

CreateFrame("Frame"):SetScript("OnUpdate", ProcessSmoothStatusBars);

Private.SmoothStatusBarMixin = {};

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

function Private.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