module RaspbergUptime

# File lib/raspberg_uptime.rb, line 16
def default_uptime_reader
  -> {
    begin
      File.read("/proc/uptime")
    rescue StandardError
      nil
    end
  }
end

# File lib/raspberg_uptime.rb, line 70
def format_labeled_minutes(label, minutes)
  formatted = format_minutes_vb(minutes)
  "#{label}#{formatted}"
end

# File lib/raspberg_uptime.rb, line 30
def format_minutes_vb(minutes)
  uptime = minutes.to_f
  return "Under one minute" if uptime < 1

  caption = String.new
  case uptime
  when 1..60
    temp = uptime.floor
    caption << (temp == 1 ? "#{temp} Minute" : "#{temp} Minutes")
  when 60..1440
    temp = (uptime / 60).floor
    uptime -= temp * 60
    caption << (temp == 1 ? "#{temp} Hour and " : "#{temp} Hours and ")
    temp = uptime.floor
    caption << (temp == 1 ? "#{temp} Minute" : "#{temp} Minutes")
  when 1440..10_080
    temp = (uptime / 60 / 24).floor
    uptime -= temp * 24 * 60
    caption << (temp == 1 ? "#{temp} Day, " : "#{temp} Days, ")
    temp = (uptime / 60).floor
    uptime -= temp * 60
    caption << (temp == 1 ? "#{temp} Hour and " : "#{temp} Hours and ")
    temp = uptime.floor
    caption << (temp == 1 ? "#{temp} Minute" : "#{temp} Minutes")
  else
    temp = (uptime / 60 / 24 / 7).floor
    uptime -= temp * 60 * 24 * 7
    caption << (temp == 1 ? "#{temp} Week, " : "#{temp} Weeks, ")
    temp = (uptime / 60 / 24).floor
    uptime -= temp * 24 * 60
    caption << (temp == 1 ? "#{temp} Day, " : "#{temp} Days, ")
    temp = (uptime / 60).floor
    uptime -= temp * 60
    caption << (temp == 1 ? "#{temp} Hour and " : "#{temp} Hours and ")
    temp = uptime.floor
    caption << (temp == 1 ? "#{temp} Minute" : "#{temp} Minutes")
  end
  caption
end

# File lib/raspberg_uptime.rb, line 26
def minutes_from_seconds(seconds)
  seconds.to_f / 60.0
end

# File lib/raspberg_uptime.rb, line 9
def read_seconds(uptime_reader: default_uptime_reader)
  text = uptime_reader.call
  return 0.0 if text.nil? || text.to_s.strip.empty?

  FartSystem.parse_uptime(text)
end