#!/usr/bin/env ruby
require "json" unless defined?(JSON)
require "bundler"
require "bundler/setup"

require "chef_zero/server"
require "rspec/core"

# This file runs oc-chef-pedant specs and is invoked by `rake pedant`
# and other Rake tasks. Run `rake -T` to list tasks.
#
# Options for oc-chef-pedant and rspec can be specified via
# ENV['PEDANT_OPTS'] and ENV['RSPEC_OPTS'], respectively.
#
# The log level can be specified via ENV['LOG_LEVEL'].
#
# Example:
#
#     $ PEDANT_OPTS="--focus-users --skip-keys" \
#     >   RSPEC_OPTS="--fail-fast --profile 5" \
#     >   LOG_LEVEL=debug \
#     >   rake pedant
#

DEFAULT_SERVER_OPTIONS = {
  port: 8889,
  single_org: false,
}.freeze

DEFAULT_LOG_LEVEL = :warn

def log_level
  return ENV["LOG_LEVEL"].downcase.to_sym if ENV["LOG_LEVEL"]
  return :debug if ENV["DEBUG"]

  DEFAULT_LOG_LEVEL
end

def start_chef_server(opts = {})
  opts = DEFAULT_SERVER_OPTIONS.merge(opts)
  opts[:log_level] = log_level

  ChefZero::Server.new(opts).tap(&:start_background)
end

def start_cheffs_server(chef_repo_path)
  require "chef/version"
  require "chef/config"
  require "chef/chef_fs/config"
  require "chef/chef_fs/chef_fs_data_store"
  require "chef_zero/server"

  Dir.mkdir(chef_repo_path) unless File.exist?(chef_repo_path)

  # 11.6 and below had a bug where it couldn't create the repo children automatically
  if Chef::VERSION.to_f < 11.8
    %w{clients cookbooks data_bags environments nodes roles users}.each do |child|
      Dir.mkdir("#{chef_repo_path}/#{child}") unless File.exist?("#{chef_repo_path}/#{child}")
    end
  end

  # Start the new server
  Chef::Config.repo_mode = "hosted_everything"
  Chef::Config.chef_repo_path = chef_repo_path
  Chef::Config.versioned_cookbooks = true
  chef_fs_config = Chef::ChefFS::Config.new

  data_store = Chef::ChefFS::ChefFSDataStore.new(chef_fs_config.local_fs, chef_fs_config.chef_config)
  data_store = ChefZero::DataStore::V1ToV2Adapter.new(data_store, "pedant-testorg")
  data_store = ChefZero::DataStore::DefaultFacade.new(data_store, "pedant-testorg", false)
  data_store.create(%w{organizations pedant-testorg users}, "pivotal", "{}")
  data_store.set(%w{organizations pedant-testorg groups admins}, '{ "users": [ "pivotal" ] }')
  data_store.set(%w{organizations pedant-testorg groups users}, '{ "users": [ "pivotal" ] }')

  start_chef_server(data_store: data_store)
end

def pedant_args_from_env
  args_from_env("PEDANT_OPTS")
end

def rspec_args_from_env
  args_from_env("RSPEC_OPTS")
end

def args_from_env(key)
  return [] unless ENV[key]

  ENV[key].split
end

begin
  tmpdir = nil
  server =
    if ENV["FILE_STORE"]
      require "tmpdir" unless defined?(Dir.mktmpdir)
      require "chef_zero/data_store/raw_file_store"
      tmpdir = Dir.mktmpdir
      data_store = ChefZero::DataStore::RawFileStore.new(tmpdir, true)
      data_store = ChefZero::DataStore::DefaultFacade.new(data_store, false, false)

      start_chef_server(data_store: data_store)

    elsif ENV["CHEF_FS"]
      require "tmpdir" unless defined?(Dir.mktmpdir)
      tmpdir = Dir.mktmpdir
      start_cheffs_server(tmpdir)

    else
      start_chef_server
    end

  test_secrets = JSON.parse(File.read("spec/support/secrets.json"))
  ENV["SUPERUSER_KEY"] = test_secrets["chef-server"]["superuser_key"]
  ENV["WEBUI_KEY"] = test_secrets["chef-server"]["webui_key"]

  require "rspec/core"
  require "pedant"
  require "pedant/organization"

  # Pedant::Config.rerun = true

  Pedant.config.suite = "api"

  Pedant.config[:config_file] = "spec/support/oc_pedant.rb"

  # Because ChefFS can only ever have one user (pivotal), we can't do most of the
  # tests that involve multiple
  chef_fs_skips = if ENV["CHEF_FS"]
                    [ "--skip-association",
                      "--skip-users",
                      "--skip-organizations",
                      "--skip-multiuser",
                      "--skip-user-keys",
                    ]
                  else
                    []
                  end

  unless Gem::Requirement.new(">= 12.8.0").satisfied_by?(Gem::Version.new(Chef::VERSION))
    chef_fs_skips << "--skip-keys"
  end

  unless Gem::Requirement.new(">= 12.13.19").satisfied_by?(Gem::Version.new(Chef::VERSION))
    chef_fs_skips << "--skip-acl"
    chef_fs_skips << "--skip-cookbook-artifacts"
    chef_fs_skips << "--skip-policies"
  end

  # These things aren't supported by Chef Zero in any mode of operation:
  default_skips = [
    # "the goal is that only authorization, authentication and validation tests
    # are turned off" - @jkeiser
    #
    # ...but we're not there yet

    # Chef Zero does not intend to support validation the way erchef does.
    "--skip-validation",

    # Chef Zero does not intend to support authentication the way erchef does.
    "--skip-authentication",

    # Chef Zero does not intend to support authorization the way erchef does.
    "--skip-authorization",

    # Chef Zero does not intend to support oc_id authentication/authorization
    # the way erchef does.
    "--skip-oc_id",

    # Omnibus tests depend on erchef features that are specific to erchef and
    # bundled in the omnibus package. Currently the only test in this category
    # is for the search reindexing script.
    "--skip-omnibus",

    # USAGs (user-specific association groups) are Authz groups that contain
    # only one user and represent that user's association with an org. Though
    # there are good reasons for them, they don't work well in practice and
    # only the manage console really uses them. Since Chef Zero + Manage is a
    # quite unusual configuration, we're ignoring them.
    "--skip-usags",

    # Chef 12 features not yet 100% supported by Chef Zero

    # chef-zero has some non-removable quirks, such as the fact that files
    # with 255-character names cannot be stored in local mode. This is
    # reserved only for quirks that are *irrevocable* and by design; and
    # should barely be used at all. This is also used to skip the user acl
    # tests from chef-server as the user acls are not supported in chef-zero
    # at this time.
    "--skip-chef-zero-quirks",

    "--skip-status",
    "--skip=email_case_insensitive",
    "--skip=nginx_default_error",
    "--skip=response_headers",
  ]

  # The knife tests are very slow and don't give us a lot of extra coverage,
  # so we run them in a different entry in the travis test matrix.
  pedant_args =
    if ENV["PEDANT_KNIFE_TESTS"]
      default_skips + %w{ --focus-knife }
    else
      default_skips + chef_fs_skips + %w{ --skip-knife }
    end

  Pedant.setup(pedant_args + pedant_args_from_env)

  rspec_args = Pedant.config.rspec_args + rspec_args_from_env

  if defined? Chef::ChefFS::FileSystemCache
    RSpec.configure do |c|
      c.before(:each) do
        Chef::ChefFS::FileSystemCache.instance.reset!
      end
    end
  end

  result = RSpec::Core::Runner.run(rspec_args)

  server.stop if server.running?
ensure
  FileUtils.remove_entry_secure(tmpdir) if tmpdir
end

exit(result)
