local UnitIsConnected = UnitIsConnected;
local UnitIsDeadOrGhost = UnitIsDeadOrGhost;
local UnitHealthMax = UnitHealthMax;
local UnitHealth = UnitHealth;
local format = string.format

hooksecurefunc("CompactUnitFrame_UpdateStatusText", function(frame)
    -- allowClassColorsForNPCs only in regular raid frames,
    -- match only to them
    if frame.optionTable.allowClassColorsForNPCs ~= nil then
        -- conditions taken from CompactUnitFrame.lua
        if not UnitIsConnected(frame.unit) or UnitIsDeadOrGhost(frame.displayedUnit) then
            return;
        elseif (frame.optionTable.healthText == "losthealth") then
            -- only losthealth option is condensed
            local healthLost = UnitHealthMax(frame.displayedUnit) - UnitHealth(frame.displayedUnit);
            if healthLost <= 0 then return end

            local prettyHealth;
            if healthLost > 1200000000 then -- 1.2B
                local h1b = healthLost / 1000000000;
                local h100m = (healthLost % 1000000000) / 100000000;
                prettyHealth = format("-%d.%dB", h1b, h100m);
            elseif healthLost > 1200000 then -- 1.2M
                prettyHealth = format("-%dM", healthLost / 1000000);
            elseif healthLost > 1000 then -- 1K
                prettyHealth = format("-%dK", healthLost / 1000);
            else
                prettyHealth = format("-%d", healthLost)
            end

            frame.statusText:SetText(prettyHealth);
        end
    end
end);