module RaspbergBootlog

# File lib/raspberg_bootlog.rb, line 27
def clear(store:)
  RaspbergBootlogStore.save([], store: store)
  []
end

# File lib/raspberg_bootlog.rb, line 32
def format_entry_line(index, entry)
  at = begin
    Time.parse(entry["at"].to_s).utc
  rescue ArgumentError
    Time.utc(1970, 1, 1)
  end
  num = index.to_s.rjust(4)
  "#{num}    #{at.strftime('%Y-%m-%d')}    #{at.strftime('%H:%M:%S')}"
end

# File lib/raspberg_bootlog.rb, line 20
def list(store:, limit: nil)
  entries = RaspbergBootlogStore.load(store: store)
  cap = limit.nil? ? entries.length : limit.to_i
  cap = DEFAULT_LIMIT if cap <= 0
  entries.last(cap)
end

# File lib/raspberg_bootlog.rb, line 12
def record_boot(at:, store:)
  entries = RaspbergBootlogStore.load(store: store)
  entries << { "at" => at.utc.iso8601 }
  entries = entries.last(MAX_ENTRIES)
  RaspbergBootlogStore.save(entries, store: store)
  entries.last
end