module SelfConsciousness

# File lib/self_consciousness.rb, line 24
def self.clear
  without_self_identity do
    conscious = Moneta.new :File, dir: '.self_consciousness'
    conscious['dependencies'] = []
  end
end

# File lib/self_consciousness.rb, line 31
def self.introspect
  without_self_identity do
    latest = Moneta.new :File, dir: '.self_identity'
    conscious = Moneta.new :File, dir: '.self_consciousness'
    conscious['removals'] = conscious['dependencies'] - latest['dependencies']
    conscious['additions'] = latest['dependencies'] - conscious['dependencies']
  end
end

# File lib/self_consciousness.rb, line 17
def self.normalize
  without_self_identity do
    FileUtils.mkdir_p '.self_consciousness'
    FileUtils.cp '.self_identity/dependencies', '.self_consciousness/dependencies'
  end
end

# File lib/self_consciousness.rb, line 40
def self.report
  without_self_identity do
    introspect
    conscious = Moneta.new :File, dir: '.self_consciousness'
    conscious['removals'].each { |item| puts "- #{item.to_s}".colorize(:red) }
    conscious['additions'].each { |item| puts "+ #{item.to_s}".colorize(:green) }
    puts 'Nothing has changed' if conscious['removals'].concat(conscious['additions']).empty?
  end
end

# File lib/self_consciousness.rb, line 6
def self.without_self_identity
  begin
    previously_enabled = SelfIdentity.enabled?
    SelfIdentity.disable
    yield if block_given?
    SelfIdentity.enable if previously_enabled
  rescue NameError => e
    yield if block_given?
  end
end