class Chamomile::FilePicker

# File lib/chamomile/components/file_picker.rb, line 28
def initialize(directory: Dir.pwd, key_map: DEFAULT_KEY_MAP, height: 10,
               allowed_types: [], show_permissions: false, show_size: false,
               show_hidden: false, dir_allowed: false, file_allowed: true,
               cursor_char: ">")
  @id = self.class.next_id
  @current_directory = File.expand_path(directory)
  @key_map = key_map
  @height = height
  @allowed_types = allowed_types
  @show_permissions = show_permissions
  @show_size = show_size
  @show_hidden = show_hidden
  @dir_allowed = dir_allowed
  @file_allowed = file_allowed
  @cursor_char = cursor_char
  @cursor = 0
  @entries = []
  @offset = 0
  @selected_path = nil
  @disabled_selected_path = nil
  @dir_stack = []
end

# File lib/chamomile/components/file_picker.rb, line 12
def self.next_id
  @id_mutex.synchronize do
    if Process.pid != @id_pid
      @id_pid = Process.pid
      @next_id = 0
      @id_mutex = Mutex.new
    end
    @next_id += 1
    "#{@id_pid}-fp-#{@next_id}"
  end
end

# File lib/chamomile/components/file_picker.rb, line 109
def did_select_disabled_file?(msg)
  return [false, nil] unless msg.is_a?(Chamomile::KeyEvent)

  if @disabled_selected_path
    path = @disabled_selected_path
    @disabled_selected_path = nil
    [true, path]
  else
    [false, nil]
  end
end

# File lib/chamomile/components/file_picker.rb, line 97
def did_select_file?(msg)
  return [false, nil] unless msg.is_a?(Chamomile::KeyEvent)

  if @selected_path
    path = @selected_path
    @selected_path = nil
    [true, path]
  else
    [false, nil]
  end
end

# File lib/chamomile/components/file_picker.rb, line 55
def handle(msg)
  case msg
  when FilePickerReadDirMsg
    return unless msg.id == @id

    @entries = msg.entries
    @cursor = @cursor.clamp(0, [entries_size - 1, 0].max)
    clamp_offset
    nil
  when Chamomile::KeyEvent
    handle_key(msg)
  end
end

# File lib/chamomile/components/file_picker.rb, line 88
def highlighted_path
  return nil if @entries.empty?

  entry = @entries[@cursor]
  return nil unless entry

  File.join(@current_directory, entry[:name])
end

# File lib/chamomile/components/file_picker.rb, line 51
def init_cmd
  read_dir_cmd(@current_directory)
end

# File lib/chamomile/components/file_picker.rb, line 71
def view
  return "  (empty)" if @entries.empty?

  visible = visible_entries
  lines = visible.each_with_index.map do |entry, i|
    idx = @offset + i
    prefix = idx == @cursor ? "#{@cursor_char} " : "  "
    line = prefix + format_entry(entry)
    if idx == @cursor
      "\e[7m#{line}\e[0m"
    else
      line
    end
  end
  lines.join("\n")
end