module ThemeCommand

# File lib/theme_command.rb, line 15
def parse(args)
  text = args.to_s.strip
  return { action: :help } if text.empty? || text.casecmp("help").zero?

  parts = text.split(/\s+/, 2)
  verb = parts[0].downcase
  rest = parts[1].to_s.strip

  case verb
  when "list"
    { action: :list }
  when "show"
    return { error: usage_message } if rest.empty?

    { action: :show, name: rest.split(/\s+/).first.downcase }
  when "active"
    { action: :active }
  when "use"
    return { error: usage_message } if rest.empty?

    { action: :use, name: rest.split(/\s+/).first.downcase }
  when "paint"
    tokens = rest.split(/\s+/)
    return { error: usage_message } if tokens.empty?

    result = { action: :paint, name: tokens[0].downcase }
    result[:plugin] = tokens[1].downcase if tokens[1]
    result
  when "analyse"
    name = rest.empty? ? nil : rest.split(/\s+/).first.downcase
    { action: :analyse, name: name }
  when "generate"
    seed = rest.empty? ? nil : rest.split(/\s+/).first
    { action: :generate, seed: seed }
  when "save"
    return { error: usage_message } if rest.empty?

    { action: :save, name: rest.split(/\s+/).first.downcase }
  else
    { error: usage_message }
  end
end

# File lib/theme_command.rb, line 11
def usage_message
  "Usage: !theme list|show|active|use|paint|analyse|generate|save|help"
end