module IrcReply

# File lib/irc_reply.rb, line 10
def card(tag:, title:, body_lines: [], footer_parts: nil, heading_style: nil, palette: nil, frame: :none)
  heading_style ||= palette_heading_style(palette) || IrcFormat.menu_heading_style
  lines = []
  lines.concat(frame_lines(frame, palette: palette))
  lines << IrcFormat.report_header(tag: tag, title: title, style: heading_style)
  Array(body_lines).each do |line|
    text = line.to_s
    lines << text unless text.strip.empty?
  end
  footer = footer_parts.nil? ? nil : IrcFormat.report_footer(*Array(footer_parts))
  lines << footer unless footer.to_s.strip.empty?
  lines.join("\n")
end

# File lib/irc_reply.rb, line 24
def error(tag:, message:, heading_style: nil, palette: nil)
  card(
    tag: tag,
    title: "error",
    body_lines: [message.to_s.strip],
    heading_style: heading_style,
    palette: palette
  )
end

# File lib/irc_reply.rb, line 44
def frame_lines(frame, palette: nil)
  case frame
  when :ibis_line
    line = IrcAscii.degree_line(width: 40)
    [IrcFormat.decorate(line, IrcFormat.named_style(:accent))]
  when :fserve
    rule = "+" + ("-" * 38) + "+"
    [IrcFormat.decorate(rule, IrcFormat.named_style(:tag))]
  else
    []
  end
end

# File lib/irc_reply.rb, line 34
def palette_heading_style(palette)
  return nil unless palette

  pair = Array(palette[:title] || palette["title"])
  return nil if pair.empty?

  pair.length == 2 ? IrcFormat.color(pair[0], pair[1]) : IrcFormat.color(pair[0])
end