require 'sinatra/base'
require 'yaml'
require 'json'
require 'uri'
require_relative 'teamster/login'
require_relative 'teamster/general_helper'
require_relative 'teamster/base_module'

module Teamster
  module Core
    class App < Sinatra::Base
      @@modules   = []
      @@views     = []
      @@title     = 'TEAMSTER'
      CORE_CONFIG = 'conf/teamster.conf'

      # NOTE: Class methods used in configure block needs be declared
      #       before the configure block.
      def self.set_default_options_from(core_opts)
        @@title = core_opts[:title]
      end

      def self.current_working_folder
        Dir.pwd
      end

      configure do
        set :root, current_working_folder
        @@views << "#{settings.root}/views"
        enable :sessions
        set :session_secret, 'THIS IS MY SESSION SECRET KEY'
        set :core_opts, YAML.load_file(CORE_CONFIG)
        set_default_options_from settings.core_opts
        use Login
      end

      helpers GeneralHelper

      get '/' do
        erb :index
      end

      def summary_div_class_for(index)
        size = all_modules.size
        if size == 1
          "col-lg-12"
        elsif size%2 == 0
          "col-lg-6"
        else
          last = size - 1
          index == last ? "col-lg-12" : "col-lg-6"
        end
      end

      def summary_of(module_name)
        name = module_name.downcase
        if send(:"#{name}_summary?")
          send(:"#{name}_summary")
        else
          erb :no_summary
        end
      end

      def self.modules
        @@modules
      end

      def self.views
        @@views
      end

      def self.title
        @@title
      end

      def self.use_module(teamster_module)
        if @@modules.include? teamster_module
          puts "Module #{teamster_module} already registered!"
        else
          @@modules << teamster_module
          @@views   << teamster_module.views
        end
        teamster_module.helpers GeneralHelper
        if teamster_module.has_helper?
          teamster_module.helper_module.flatten.each do |mod|
            helpers mod
          end
        end
        use teamster_module
      end
    end
  end
end