class KPM::Uninstaller

def find_plugin(plugin)
  plugin_info = @installed_plugins[plugin]
  if plugin_info.nil?
    @installed_plugins.each do |_, info|
      if info[:plugin_key] == plugin
        plugin_info = info
        break
      end
    end
  end
  plugin_info
end

def initialize(destination, logger = nil)
  @logger = logger
  if @logger.nil?
    @logger = Logger.new(STDOUT)
    @logger.level = Logger::INFO
  end
  destination ||= KPM::BaseInstaller::DEFAULT_BUNDLES_DIR
  @installed_plugins = Inspector.new.inspect(destination)
  plugins_installation_path = File.join(destination, 'plugins')
  @plugins_manager = PluginsManager.new(plugins_installation_path, @logger)
  sha1_file_path = File.join(destination, KPM::BaseInstaller::SHA1_FILENAME)
  @sha1checker = KPM::Sha1Checker.from_file(sha1_file_path, @logger)
end

def remove_all_plugin_versions(plugin_info, force = false)
  versions = plugin_info[:versions].map { |artifact| artifact[:version] }
  KPM.ui.say "Removing the following versions of the #{plugin_info[:plugin_name]} plugin: #{versions.join(', ')}"
  if !force && versions.length > 1
    return false unless 'y' == KPM.ui.ask('Are you sure you want to continue?', limited_to: %w(y n))
  end
  FileUtils.rmtree(plugin_info[:plugin_path])
  @plugins_manager.remove_plugin_identifier_key(plugin_info[:plugin_key])
  versions.each do |version|
    remove_sha1_entry(plugin_info, version)
  end
  true
end

def remove_sha1_entry(plugin_info, version)
  coordinates = KPM::Coordinates.build_coordinates(group_id: plugin_info[:group_id],
                                                   artifact_id: plugin_info[:artifact_id],
                                                   packaging: plugin_info[:packaging],
                                                   classifier: plugin_info[:classifier],
                                                   version: version)
  @sha1checker.remove_entry!(coordinates)
end

def uninstall_plugin(plugin, force = false)
  plugin_info = find_plugin(plugin)
  raise "No plugin with key/name '#{plugin}' found installed. Try running 'kpm inspect' for more info" unless plugin_info
  remove_all_plugin_versions(plugin_info, force)
end