class Gitlab::QA::Component::Specs

def args_with_flags(args, feature_flag_set)
  return args if feature_flag_set.empty?
  puts "Running with feature flag: #{feature_flag_set.join(' ')}"
  args_with_f = args.dup
  args_with_f.insert(1, *feature_flag_set)
end

def initialize
  @docker = Docker::Engine.new
  @volumes = {}
  @env = {}
end

def perform # rubocop:disable Metrics/AbcSize
  return puts "Skipping tests." if skip_tests?
  raise ArgumentError unless [suite, release].all?
  @docker.login(**release.login_params) if release.login_params
  @docker.pull(qa_image) unless Runtime::Env.skip_pull?
  puts "Running test suite `#{suite}` for #{release.project_name}"
  name = "#{release.project_name}-qa-#{SecureRandom.hex(4)}"
  feature_flag_sets = []
  # When `args` includes `[..., "--disable-feature", "a", "--enable-feature", "b", ...]`
  # `feature_flag_sets` will be set to `[["--disable-feature", "a"], ["--enable-feature", "b"]]`
  # This will result in tests running twice, once with each feature.
  while (index = args&.index { |x| x =~ /--.*-feature/ })
    feature_flag_sets << args.slice!(index, 2)
  end
  # When `args` do not have either "--disable-feature" or "--enable-feature", we
  # add [] so that test is run exactly once.
  feature_flag_sets << [] unless feature_flag_sets.any?
  feature_flag_sets.each do |feature_flag_set|
    @docker.run(qa_image, nil, suite, *args_with_flags(args, feature_flag_set)) do |command|
      command << "-t --rm --net=#{network || 'bridge'}"
      env.merge(Runtime::Env.variables).each do |key, value|
        command.env(key, value)
      end
      command.volume('/var/run/docker.sock', '/var/run/docker.sock')
      command.volume(File.join(Runtime::Env.host_artifacts_dir, name), File.join(Docker::Volumes::QA_CONTAINER_WORKDIR, 'tmp'))
      @volumes.to_h.each do |to, from|
        command.volume(to, from)
      end
      command.name(name)
    end
  end
end

def qa_image
  if Runtime::Scenario.attributes.include?(:qa_image)
    Runtime::Scenario.qa_image
  else
    "#{release.qa_image}:#{release.qa_tag}"
  end
end

def skip_tests?
  Runtime::Scenario.attributes.include?(:run_tests) && !Runtime::Scenario.run_tests
end