class Webpacker::Env

def self.inquire(webpacker)
  new(webpacker).inquire
end

def available_environments
  if config_path.exist?
    begin
      YAML.load_file(config_path.to_s, aliases: true)
    rescue ArgumentError
      YAML.load_file(config_path.to_s)
    end
  else
    [].freeze
  end
rescue Psych::SyntaxError => e
  raise "YAML syntax error occurred while parsing #{config_path}. " \
        "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
        "Error: #{e.message}"
end

def current
  Rails.env.presence_in(available_environments)
end

def fallback_env_warning
  logger.info "RAILS_ENV=#{Rails.env} environment is not defined in config/webpacker.yml, falling back to #{DEFAULT} environment"
end

def initialize(webpacker)
  @webpacker = webpacker
end

def inquire
  fallback_env_warning if config_path.exist? && !current
  current || DEFAULT.inquiry
end