require "bundler/setup"
require "sinatra/base"
require "sinatra/streaming"
require "helpers/version_2"

module Devops
  module Version2_0
    class Application < Sinatra::Base

      include Devops::Loader

      class << self
        def init config
          set :devops_home, config[:devops_dir]
          set :config, config

          set :mongo_db, config[:mongo_db] || "devops"
          set :mongo_host, config[:mongo_host] || "localhost"
          set :mongo_port, config[:mongo_port] || 27017
          set :mongo_user, config[:mongo_user]
          set :mongo_password, config[:mongo_password]

          set :keys_dir, (config[:keys_dir] || File.join(config[:devops_dir], "files/keys"))
          set :scripts_dir, (config[:scripts_dir] || File.join(config[:devops_dir], "files/scripts"))
          [:keys_dir, :scripts_dir].each {|key| d = settings.send(key); FileUtils.mkdir_p(d) unless File.exists?(d) }
          init_mongo
          settings.mongo.create_root_user
          ::Provider::ProviderFactory.init(config)
          #set_up_providers_keys!(::Provider::ProviderFactory.all, mongo)
          Wisper::GlobalListeners.subscribe(TestSubscriber2.new)
          Wisper.subscribe(TestSubscriber.new)

        end

        def init_mongo
          mongo = MongoConnector.new(settings.mongo_db, settings.mongo_host, settings.mongo_port, settings.mongo_user, settings.mongo_password)
          set :mongo, mongo
        end

        private
        def set_up_providers_keys!(providers, mongo)
          providers.each do |provider|
            next if provider.certificate_path.nil?
            begin
              mongo.key provider.ssh_key, Key::SYSTEM
            rescue RecordNotFound => e
              k = Key.new({"id" => provider.ssh_key, "path" => provider.certificate_path, "scope" => Key::SYSTEM})
              mongo.key_insert k
            end
          end
        end

      end

      include Sinatra::JSON
      helpers Sinatra::Streaming
      helpers Devops::Version2_0::Helpers

      register Devops::Version2_0::Routes::ProviderRoutes
      register Devops::Version2_0::Routes::BootstrapTemplatesRoutes
      register Devops::Version2_0::Routes::UserRoutes
      register Devops::Version2_0::Routes::FilterRoutes
      register Devops::Version2_0::Routes::FlavorRoutes
      register Devops::Version2_0::Routes::GroupRoutes
      register Devops::Version2_0::Routes::ImageRoutes
      register Devops::Version2_0::Routes::KeyRoutes
      register Devops::Version2_0::Routes::NetworkRoutes
      register Devops::Version2_0::Routes::ProjectRoutes
      register Devops::Version2_0::Routes::ScriptRoutes
      register Devops::Version2_0::Routes::ServerRoutes
      register Devops::Version2_0::Routes::StatusRoutes
      register Devops::Version2_0::Routes::TagRoutes
      register Devops::Version2_0::Routes::DeployRoutes

      use Rack::Auth::Basic do |username, password|
        begin
          settings.mongo.user_auth(username, password)
          true
        rescue RecordNotFound => e
          false
        end
      end

      configure :production do
        disable :dump_errors
        disable :show_exceptions
        set :logging, Logger::INFO
        puts "TODO2"
      end

      configure :development do
        set :logging, Logger::DEBUG
        disable :raise_errors
    #      disable :dump_errors
        set :show_exceptions, :after_handler
        puts "TODO1"
      end

      not_found do
        "Not found"
      end

      error RecordNotFound do
        e = env["sinatra.error"]
        logger.warn e.message
        halt_response(e.message, 404)
      end

      error InvalidRecord do
        e = env["sinatra.error"]
        logger.warn e.message
        logger.warn "Request body: #{request.body.read}"
        halt_response(e.message, 400)
      end

      error InvalidCommand do
        e = env["sinatra.error"]
        logger.warn e.message
        halt_response(e.message, 400)
      end

      error DependencyError do
        e = env["sinatra.error"]
        logger.warn e.message
        halt_response(e.message, 400)
      end

      error InvalidPrivileges do
        e = env["sinatra.error"]
        logger.warn e.message
        halt_response(e.message, 401)
      end

      error Excon::Errors::Unauthorized do
        e = env["sinatra.error"]
        resp = e.response
        ct = resp.headers["Content-Type"]
        msg = unless ct.nil?
          if ct.include?("application/json")
            json = ::Chef::JSONCompat.from_json(resp.body)
            m = "ERROR: Unauthorized (#{json['error']['code']}): #{json['error']['message']}"
            logger.error(m)
          else
          end
          m
        else
          "Unauthorized: #{e.inspect}"
        end
        halt_response(msg, 500)
      end

      error Fog::Compute::AWS::Error do
        e = env["sinatra.error"]
        logger.error e.message
        halt_response(e.message, 500)
      end

      error do
        e = env["sinatra.error"]
        logger.error e.message
        halt_response(e.message, 500)
      end

    end
  end
end