module ConfConf

# File lib/conf_conf.rb, line 29
def configuration(environment_name=nil, &block)
  if environment_name
    # Load ENV
    project         = ConfConf::Project.new
    environment     = project.environments[environment_name]

    environment.variables.each do |name, value|
      ENV[name] = value
    end
  end

  # Run configuration block, if given
  configuration = ConfConf::Configuration.new

  if block
    configuration.run(block)
    references      = configuration.references
  else
    references      = {}
  end

  if environment_name
    # Find references to variables that aren't defaulted here
    inconsistencies = project.inconsistencies(environment)

    inconsistencies.each do |inconsistency|
      if references[inconsistency] && references[inconsistency].default_value?
        inconsistencies.delete(inconsistency)
      end
    end

    if inconsistencies.length > 0
      raise ConfConf::InconsistentConfigurationError.new(inconsistencies)
    end
  end

  OpenStruct.new(configuration.parsed_values)
end

# File lib/conf_conf.rb, line 76
def load(environment_name)
  configuration(environment_name)
end

# File lib/conf_conf.rb, line 68
def rails_configuration(environment_name=nil, &block)
  configuration = configuration(environment_name, block)

  configuration.parsed_values.each do |name, value|
    Rails.configuration.send("#{key}=", value)
  end
end