class Gitlab::QA::Runner

def self.gitlab_qa_options
  @gitlab_qa_options ||= @options.top.list.map(&:long).flatten
end

def self.load_omnibus_configurations
  # OmnibusConfiguration::Test       => --test
  # OmnibusConfiguration::HelloThere => --hello_there
  @omnibus_configurations.uniq.each do |config|
    Runtime::OmnibusConfigurations.const_get(config.camelize).new.tap do |configurator|
      @active_configurators << configurator.prepare
      # */etc/gitlab/gitlab.rb*
      # -----------------------
      # # Runtime::OmnibusConfiguration::Packages
      # gitlab_rails['packages_enabled'] = true
      Runtime::Scenario.omnibus_configuration << "# #{configurator.class.name}"
      # Load the configuration
      configurator.configuration.split("\n").each { |c| Runtime::Scenario.omnibus_configuration << c }
    end
  rescue NameError
    raise <<~ERROR
          Invalid Omnibus Configuration `#{config}`.
          Possible configurations: #{Runtime::OmnibusConfigurations.constants.map { |c| c.to_s.underscore }.join(',')}"
    ERROR
  end
end

def self.run(args)
  Runtime::Scenario.define(:teardown, true)
  Runtime::Scenario.define(:run_tests, true)
  Runtime::Scenario.define(:qa_image, Runtime::Env.qa_image) if Runtime::Env.qa_image
  Runtime::Scenario.define(:omnibus_configuration, Runtime::OmnibusConfiguration.new)
  # Omnibus Configurators specified by flags
  @active_configurators = []
  @omnibus_configurations = %w[default] # always load default configuration
  @options = OptionParser.new do |opts|
    opts.banner = 'Usage: gitlab-qa [options] Scenario URL [[--] path] [rspec_options]'
    opts.on('--no-teardown', 'Skip teardown of containers after the scenario completes.') do
      Runtime::Scenario.define(:teardown, false)
    end
    opts.on('--no-tests', 'Orchestrates the docker containers but does not run the tests. Implies --no-teardown') do
      Runtime::Scenario.define(:run_tests, false)
      Runtime::Scenario.define(:teardown, false)
    end
    opts.on('--qa-image QA_IMAGE', String, 'Specifies a QA image to be used instead of inferring it from the GitLab image. See Gitlab::QA::Release#qa_image') do |value|
      Runtime::Scenario.define(:qa_image, value)
    end
    opts.on_tail('-v', '--version', 'Show the version') do
      require 'gitlab/qa/version'
      puts "#{$PROGRAM_NAME} : #{VERSION}"
      exit
    end
    opts.on('--omnibus-config config1[,config2,...]', 'Use Omnibus Configuration package') do |configuration|
      configuration.split(',').map do |config|
        @omnibus_configurations << config
      end
    end
    opts.on_tail('-h', '--help', 'Show the usage') do
      puts opts
      exit
    end
    begin
      opts.parse(args)
    rescue OptionParser::InvalidOption
      # Ignore invalid options and options that are passed through to the tests
    end
  end
  args.reject! { |arg| gitlab_qa_options.include?(arg) }
  if args.size >= 1
    load_omnibus_configurations
    begin
      @active_configurators.compact.each do |configurator|
        configurator.instance(skip_teardown: true)
      end
      Scenario
        .const_get(args.shift)
        .perform(*args)
    ensure
      @active_configurators.compact.each(&:teardown)
    end
  else
    puts @options
    exit 1
  end
end