class FanforceApp::CoreConfig
  attr_accessor :_id, :redis_url, :factory_root_dir, :root_dir, :dir_name, :show_error_details
  attr_accessor :bugsnag, :bugsnag_enabled
  attr_reader :type

  def initialize(root_dir)
    @_id = ENV['FANFORCE_APP_ID']
    @root_dir = root_dir
    @factory_root_dir = File.expand_path '../../', __FILE__
    @redis_url = self.class.default_redis_url
    @show_error_details = false

    @bugsnag = (ENV['BUGSNAG_API_KEY'].present?) ? {api_key: ENV['BUGSNAG_API_KEY']} : nil
  end

  def show_error_details=(bool)
    @show_error_details = [true,1,'1'].include?(bool)
  end

  def load
    raise 'CRITICAL: This FanforceApp requires config._id to be set. See documentation.' if !@_id
    raise 'CRITICAL: This FanforceApp requires config.root_dir to be set. See documentation' if !@root_dir

    FanforceApp::Sinatra.set :root, @root_dir
    FanforceApp::Sinatra.set :public_folder, [@root_dir+'/public', @factory_root_dir+'/public'].inject(''){|dir, d| File.directory?(d) ? (break d) : d }
    FanforceApp::Sinatra.set :views, [@root_dir+'/views', @factory_root_dir+'/views'].inject(''){|dir, d| File.directory?(d) ? (break d) : d }

    FanforceApp.config.load_bugsnag
    FanforceApp.config.load_routes
    FanforceApp.config.load_redis
  end

  def bugsnag_enabled?
    @bugsnag_enabled
  end

  def load_bugsnag
    return if !@bugsnag.is_a?(Hash) or ENV['RACK_ENV'] == 'test'
    require 'bugsnag'
    Bugsnag.configure do |config|
      config.api_key = ENV['BUGSNAG_API_KEY'] || @bugsnag[:api_key]
      config.notify_release_stages = @bugsnag[:notify_release_stages] || ['development','staging','production']
      config.release_stage = @bugsnag[:release_stage] || ENV['RACK_ENV']
      config.app_version = @bugsnag[:app_version] || "fanforce-app-factory-#{Fanforce::AppFactory::VERSION}"
      config.project_root = @root_dir
    end
    @bugsnag_enabled = true
  end

  def load_routes
    @dir_name = /\/([^\/]+)\/?$/.match(@root_dir)[1]

    $: << File.join(@root_dir,'lib') if File.directory?("#{@root_dir}/lib")
    $: << @root_dir if File.directory?("#{@root_dir}")

    Dir["#{@root_dir}/initializers/*.rb"].each {|f| require f } if File.directory?("#{@root_dir}/initializers")

    require "#{@root_dir}/Routes" if File.exists?("#{@root_dir}/Routes.rb")

    require "#{@factory_root_dir}/routes_core"
    require "#{@factory_root_dir}/routes_connector"
    require "#{@factory_root_dir}/routes_broadcaster"
    require "#{@factory_root_dir}/routes_identifier"
    require "#{@factory_root_dir}/routes_behavior"
    require "#{@factory_root_dir}/routes_js_widget"
  end

  def load_env
    self.class.load_env
  end

  def self.load_env
    if (!ENV['RACK_ENV'] or ENV['RACK_ENV'] == 'development')
      load_env_from_file("#{FanforceApp.config.root_dir}/.powenv") if File.exists?("#{FanforceApp.config.root_dir}/.powenv")
      load_env_from_file("#{FanforceApp.config.root_dir}/.appenv") if File.exists?("#{FanforceApp.config.root_dir}/.appenv")
    end
  end

  def load_redis
    self.class.load_redis(@redis_url)
  end

  def self.load_redis(redis_url=nil)
    redis_url ||= default_redis_url
    $Redis = ::Redis.new(url: redis_url)
  end

  def self.default_redis_url
    ENV['REDIS_URL'] || 'redis://localhost:6379'
  end

  def self.load_env_from_file(file)
    File.open(file, 'rb') do |file|
      contents = file.read
      lines = contents.gsub('export ', '').split(/\n\r?/).reject{|line| line.blank?}
      lines.each do |line|
        keyValue = line.split("=", 2)
        next unless keyValue.count == 2
        ENV[keyValue.first] = keyValue.last.gsub("'",'').gsub('"','')
      end
    end
  end

end