Coldkil - lib.lua

local FormatTime = function(s)
    local day, hour, minute = 86400, 3600, 60
    if s >= day then
        return format("%dd", ceil(s / day))
    elseif s >= hour then
        return format("%dh", ceil(s / hour))
    elseif s >= minute then
        return format("%dm", ceil(s / minute))
    elseif s >= minute / 12 then
        return floor(s)
    end
    return format("%.1f", s)
end

local CreateAuraTimer = function(self, elapsed)
    if self.timeLeft then
        self.elapsed = (self.elapsed or 0) + elapsed
        if self.elapsed >= 0.1 then
            if not self.first then
                self.timeLeft = self.timeLeft - self.elapsed
            else
                self.timeLeft = self.timeLeft - GetTime()
                self.first = false
            end
            if self.timeLeft > 0 then
                local time = FormatTime(self.timeLeft)
                self.remaining:SetText(time)
                if self.timeLeft <= 5 then
                    self.remaining:SetTextColor(0.99, 0.31, 0.31)
                else
                    self.remaining:SetTextColor(1, 1, 1)
                end
            else
                self.remaining:Hide()
                self:SetScript("OnUpdate", nil)
            end
            self.elapsed = 0
        end
    end
end

lib.PostCreateAura = function(element, button)
    button:SetBackdrop(backdrop)
    button:SetBackdropBorderColor(0,0,0)
    button.remaining = lib.SetFontString(button, font, fs, "OUTLINE, MONOCHROME")
    button.remaining:SetPoint("CENTER", 1, 0)

    button.cd.noOCC = true          -- hide OmniCC CDs
    button.cd.noCooldownCount = true    -- hide CDC CDs

    button.cd:SetReverse()
    button.icon:SetPoint("TOPLEFT", 1, -1)
    button.icon:SetPoint("BOTTOMRIGHT", -1, 1)
    button.icon:SetTexCoord(0.08, 0.92, 0.08, 0.92)
    button.icon:SetDrawLayer('ARTWORK')

    button.count:SetPoint("BOTTOMRIGHT", 2, 0)
    button.count:SetJustifyH("RIGHT")
    button.count:SetFont(font, fs, "OUTLINE, MONOCHROME")
    button.count:SetTextColor(0, .8, 0)

    button.overlayFrame = CreateFrame("frame", nil, button, nil)
    button.cd:SetFrameLevel(button:GetFrameLevel() + 1)
    button.cd:ClearAllPoints()
    button.cd:SetPoint("TOPLEFT", button, "TOPLEFT", 2, -2)
    button.cd:SetPoint("BOTTOMRIGHT", button, "BOTTOMRIGHT", -2, 2)
    button.cd:SetAlpha(0)
    button.overlayFrame:SetFrameLevel(button.cd:GetFrameLevel() + 1)
    button.overlay:SetParent(button.overlayFrame)
    button.count:SetParent(button.overlayFrame)
    button.remaining:SetParent(button.overlayFrame)
end

lib.PostUpdateAura = function(icons, unit, icon, index, offset, filter, isDebuff, duration, timeLeft)
    local _, _, _, _, dtype, duration, expirationTime, unitCaster, _ = UnitAura(unit, index, icon.filter)

    if(icon.debuff) then
        if(not UnitIsFriend("player", unit) and icon.owner ~= "player" and icon.owner ~= "vehicle") then
            icon:SetBackdropBorderColor(.7, .7, .7)
            icon.icon:SetDesaturated(true)
        else
            local color = DebuffTypeColor[dtype] or DebuffTypeColor.none
            icon:SetBackdropBorderColor(color.r * 0.6, color.g * 0.6, color.b * 0.6)
            icon.icon:SetDesaturated(false)
        end
    end

    if duration and duration > 0 then
        icon.remaining:Show()
    else
        icon.remaining:Hide()
    end

    icon.duration = duration
    icon.timeLeft = expirationTime
    icon.first = true
    icon:SetScript("OnUpdate", CreateAuraTimer)
end