require_relative "boot"

# Guard against deployments with old-style application.yml configurations
# Otherwise, admins might not be aware that they are now silently ignored
# and major problems could occur
# rubocop:disable Rails/Output, Rails/Exit
if File.exist?(File.expand_path("application.yml", __dir__))
  puts "The config/application.yml file is no longer supported"
  puts "Default settings are now found in config/settings.yml and you can override these in config/settings.local.yml"
  puts "To prevent unexpected behaviour, please copy any custom settings to config/settings.local.yml"
  puts " and then remove your config/application.yml file."
  exit!
end
# rubocop:enable Rails/Output, Rails/Exit

# Set the STATUS constant from the environment, if it matches a recognized value
ALLOWED_STATUS = [
  :online,            # online and operating normally
  :api_readonly,      # site online but API in read-only mode
  :api_offline,       # site online but API offline
  :database_readonly, # database and site in read-only mode
  :database_offline,  # database offline with site in emergency mode
  :gpx_offline        # gpx storage offline
].freeze

status = if ENV["STATUS"] && ALLOWED_STATUS.include?(ENV["STATUS"].to_sym)
           ENV["STATUS"].to_sym
         else
           :online
         end
Object.const_set("STATUS", status)

if STATUS == :database_offline
  require "action_controller/railtie"
  require "action_mailer/railtie"
  require "active_model/railtie"
  require "sprockets/railtie"
  require "rails/test_unit/railtie"
else
  require "rails/all"
end

# Require the gems listed in Gemfile, including any gems
# you've limited to :test, :development, or :production.
Bundler.require(*Rails.groups)

module OpenStreetMap
  class Application < Rails::Application
    # Initialize configuration defaults for originally generated Rails version.
    config.load_defaults 5.2

    # Settings in config/environments/* take precedence over those specified here.
    # Application configuration can go into files in config/initializers
    # -- all .rb files in that directory are automatically loaded after loading
    # the framework and any gems in your application.

    # Custom directories with classes and modules you want to be autoloadable.
    config.autoload_paths += %W[#{config.root}/lib]

    # This defaults to true from rails 5.0 but our code doesn't comply
    # with it at all so we turn it off
    config.active_record.belongs_to_required_by_default = false

    # Use SQL instead of Active Record's schema dumper when creating the database.
    # This is necessary if your schema can't be completely dumped by the schema dumper,
    # like if you have constraints or database-specific column types
    config.active_record.schema_format = :sql unless STATUS == :database_offline

    # Don't eager load models when the database is offline
    config.paths["app/models"].skip_eager_load! if STATUS == :database_offline

    # Use memcached for caching if required
    config.cache_store = :mem_cache_store, Settings.memcache_servers, { :namespace => "rails:cache" } if Settings.key?(:memcache_servers)

    # Use logstash for logging if required
    if Settings.key?(:logstash_path)
      config.logstasher.enabled = true
      config.logstasher.suppress_app_log = false
      config.logstasher.logger_path = Settings.logstash_path
      config.logstasher.log_controller_parameters = true
    end
  end
end