class Riffer::Rig::Terminal::Autocomplete

# File lib/riffer/rig/terminal/autocomplete.rb, line 21
def initialize(commands:, editor: Riffer::Rig::Terminal::LineEditor.new, index: 0, dismissed: false)
  @commands = commands
  @editor = editor
  @index = index
  @dismissed = dismissed
  @matches = dismissed ? [] : ranked(editor.text[QUERY, 1])
  freeze
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 41
def ghost
  name = selected&.name
  typed = editor.text.delete_prefix(TRIGGER)
  return '' unless name && editor.after.empty? && name.downcase.start_with?(typed.downcase)

  name[typed.length..].to_s
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 73
def line
  chosen = selected
  return editor.text unless chosen && editor.text != TRIGGER

  "#{TRIGGER}#{chosen.name}"
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 31
def open?
  matches.any?
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 51
def over(commands)
  return self if commands == @commands

  self.class.new(commands: commands, editor: editor, dismissed: @dismissed)
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 59
def press(key)
  return edit(key) unless open?

  case key.name
  when :up then with(index: (@index - 1) % matches.size)
  when :down then with(index: (@index + 1) % matches.size)
  when :tab then accept
  when :right then editor.after.empty? ? accept : edit(key)
  when :escape then with(dismissed: true)
  else edit(key)
  end
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 36
def selected
  matches[@index]
end

# File lib/riffer/rig/terminal/autocomplete.rb, line 81
def submit
  self.class.new(commands: @commands, editor: editor.submit(line))
end