module Byebug::Helpers::ToggleHelper

def enable_disable_breakpoints(is_enable, args)
  raise pr("toggle.errors.no_breakpoints") if Breakpoint.none?
  select_breakpoints(is_enable, args).each do |b|
    enabled = (is_enable == "enable")
    raise pr("toggle.errors.expression", expr: b.expr) if enabled && !syntax_valid?(b.expr)
    puts pr("toggle.messages.toggled", bpnum: b.id,
                                       endis: enabled ? "en" : "dis")
    b.enabled = enabled
  end
end

def enable_disable_display(is_enable, args)
  raise pr("toggle.errors.no_display") if n_displays.zero?
  selected_displays = args ? args.split(/ +/) : [1..n_displays + 1]
  selected_displays.each do |pos|
    pos, err = get_int(pos, "#{is_enable} display", 1, n_displays)
    raise err unless err.nil?
    Byebug.displays[pos - 1][0] = (is_enable == "enable")
  end
end

def n_displays
  Byebug.displays.size
end

def select_breakpoints(is_enable, args)
  all_breakpoints = Byebug.breakpoints.sort_by(&:id)
  return all_breakpoints if args.nil?
  selected_ids = []
  args.split(/ +/).each do |pos|
    last_id = all_breakpoints.last.id
    pos, err = get_int(pos, "#{is_enable} breakpoints", 1, last_id)
    raise(ArgumentError, err) unless pos
    selected_ids << pos
  end
  all_breakpoints.select { |b| selected_ids.include?(b.id) }
end