require 'gooddata'

require File.join(File.dirname(__FILE__), "base_middleware")

module GoodData::Bricks
  class GoodDataMiddleware < GoodData::Bricks::Middleware

    def call(params)
      logger = params["GDC_LOGGER"]
      token_name = "GDC_SST"
      protocol_name = "GDC_PROTOCOL"
      server_name = "GDC_HOSTNAME"
      project_id = params["GDC_PROJECT_ID"]

      fail "SST (SuperSecureToken) not present in params" if params[token_name].nil?
      server = if !params[protocol_name].empty? && !params[server_name].empty?
        params[protocol_name] + "://" + params[server_name]
      end

      fail "GoodData username is missing. Expected param \"GDC_USERNAME\"" if params["GDC_USERNAME"].nil?
      fail "GoodData password is missing. Expected param \"GDC_PASSWORD\"" if params["GDC_PASSWORD"].nil?

      GoodData.connect(params["GDC_USERNAME"], params["GDC_PASSWORD"], {:server => server})
      GoodData.logger = logger
      GoodData.with_project(project_id) do |p|
        @app.call(params)
      end
    end

  end
end