module MessageProgress

# File lib/message_progress.rb, line 51
def default_context(piece_index: 0, total_pieces: 1)
  delivery = ReplyDelivery.current || {}
  ReplyContext.new(
    lag_ms: delivery[:lag_ms].to_i,
    ping_ms: delivery[:ping_ms],
    piece_index: piece_index,
    total_pieces: total_pieces,
    queued: delivery[:queued]
  )
end

# File lib/message_progress.rb, line 73
def format_digit_label(percent, context: nil)
  ctx = context || default_context
  text = label_plain_text(percent)
  core = text.chomp(" ")
  colored = "#{STYLE_GUTTER}#{core}#{IRC_RESET} "
  theme_gutter(colored, ctx)
end

# File lib/message_progress.rb, line 81
def format_progress_label(percent, context: nil)
  format_digit_label(percent, context: context)
end

# File lib/message_progress.rb, line 40
def label_plain_text(percent)
  case percent
  when 100
    "00 "
  when 1..9
    "#{percent}% "
  else
    format("%02d ", percent)
  end
end

# File lib/message_progress.rb, line 20
def line_progress_percent(line_number, total_lines)
  return 100 if total_lines.to_i <= 0

  percent = ((line_number.to_f / total_lines) * 100).round
  [[percent, 1].max, 100].min
end

# File lib/message_progress.rb, line 90
def prefix_lines(lines, context: nil)
  cleaned = Array(lines).map(&:to_s).map(&:strip).reject(&:empty?)
  return "" if cleaned.empty?

  total = cleaned.length
  cleaned.each_with_index.map do |line, index|
    percent = line_progress_percent(index + 1, total)
    piece_context = (context || default_context).then do |base|
      ReplyContext.new(
        lag_ms: base.lag_ms,
        ping_ms: base.ping_ms,
        piece_index: index,
        total_pieces: total,
        queued: base.queued
      )
    end
    prefix_piece(line.rstrip, percent: percent, context: piece_context)
  end.join("\n")
end

# File lib/message_progress.rb, line 85
def prefix_piece(piece, percent:, context: nil)
  ctx = context || default_context
  "#{format_digit_label(percent, context: ctx)}#{piece}"
end

# File lib/message_progress.rb, line 110
def prefix_text(text, context: nil)
  prefix_lines(text.to_s.split("\n"), context: context)
end

# File lib/message_progress.rb, line 31
def resolve_with_progress(with_progress, logical_lines:, pieces:)
  case with_progress
  when :auto
    should_prefix?(logical_lines: logical_lines, pieces: pieces)
  else
    !!with_progress
  end
end

# File lib/message_progress.rb, line 27
def should_prefix?(logical_lines:, pieces:)
  logical_lines.to_i >= 2 || pieces.to_i >= 2
end

# File lib/message_progress.rb, line 62
def theme_gutter(gutter, context)
  network = context&.network
  channel = context&.channel
  return gutter if network.to_s.empty? || channel.to_s.empty?

  require_relative "theme_output"
  ThemeOutput.apply(network: network, channel: channel, plugin: "progress", text: gutter)
rescue StandardError
  gutter
end