module ClockFlipCommand

# File lib/clock/flip_command.rb, line 77
def build_add_result(parsed, abbrev:, meaning:)
  {
    action: :add,
    hour: parsed[:hour],
    minute: parsed[:minute],
    time_label: parsed[:time_label],
    abbrev: abbrev,
    meaning: meaning
  }
end

# File lib/clock/flip_command.rb, line 28
def parse_add_prefixed(text)
  body = text.to_s.strip
  return { action: :error, error: usage_message } if body.empty?

  time_token, remainder = body.split(/\s+/, 2)
  parsed = ClockFlipStore.parse_time_label(time_token)
  unless parsed
    return { action: :error, error: "Invalid time — use HH:MM or H.MM (e.g. 7:50)." }
  end

  remainder = remainder.to_s.strip
  return { action: :error, error: "Usage: !time add #{parsed[:time_label]} <meaning>" } if remainder.empty?

  abbrev, meaning = split_abbrev_and_meaning(parsed[:hour], parsed[:minute], remainder)
  return { action: :error, error: "Usage: !time add #{parsed[:time_label]} <meaning>" } if meaning.empty?

  build_add_result(parsed, abbrev: abbrev, meaning: meaning)
end

# File lib/clock/flip_command.rb, line 17
def parse_command(args)
  text = args.to_s.strip
  return { action: :error, error: usage_message } if text.empty?

  if text.match?(/\Aadd\s+/i)
    return parse_add_prefixed(text.sub(/\Aadd\s+/i, ""))
  end

  parse_standard(text)
end

# File lib/clock/flip_command.rb, line 47
def parse_standard(text)
  parts = text.split(/\s+/, 3)
  parsed = ClockFlipStore.parse_time_label(parts[0])
  unless parsed
    return { action: :error, error: "Invalid time — use HH:MM or H.MM (e.g. 7:50)." }
  end

  if parts.length == 1
    return { action: :show, hour: parsed[:hour], minute: parsed[:minute], time_label: parsed[:time_label] }
  end

  meaning = parts[2].to_s.strip
  if meaning.empty?
    return { action: :error, error: "Usage: !time #{parsed[:time_label]} <abbrev> <meaning>" }
  end

  build_add_result(parsed, abbrev: parts[1], meaning: meaning)
end

# File lib/clock/flip_command.rb, line 66
def split_abbrev_and_meaning(hour, minute, meaning_text)
  candidate, rest = meaning_text.split(/\s+/, 2)
  token = candidate.to_s.strip.downcase
  if rest && ClockFlipStore.valid_flip_word?(hour, minute, token)
    [token, rest.strip]
  else
    [ClockFlipStore.expected_flip_word(hour, minute), meaning_text.strip]
  end
end

# File lib/clock/flip_command.rb, line 13
def usage_message
  "Usage: !time <HH:MM> — !time <HH:MM> <abbrev> <meaning> — !time add <HH:MM> <meaning>"
end