require 'thor'
require 'engineyard-recipes/thor-ext/actions/directory'

module Engineyard
  module Recipes
    class CLI < Thor

      desc "init", "Creates cookbooks scaffolding for your recipes"
      def init
        require 'engineyard-recipes/generators/init_generator'
        Engineyard::Recipes::Generators::InitGenerator.start
      end
      
      desc "version", "show version information"
      def version
        require 'engineyard-recipes/version'
        shell.say Engineyard::Recipes::VERSION
      end

      map "-v" => :version, "--version" => :version, "-h" => :help, "--help" => :help

      private
      def say(msg, color = nil)
        color ? shell.say(msg, color) : shell.say(msg)
      end

      def display(text)
        shell.say text
        exit
      end

      def error(text)
        shell.say "ERROR: #{text}", :red
        exit
      end
      
      # Returns the [host, port] for the target Recipes CI server
      def host_port(options)
        require "recipes"
        require "recipes/config"
        if base_uri = ::Recipes::Config.config['base_uri']
          uri = URI.parse(::Recipes::Config.config['base_uri'])
          host = uri.host
          port = uri.port
        end
        host = options["host"] if options["host"]
        port = options["port"] || port || '80'
        [host, port]
      end
      
      def no_environments_discovered
        say "No environments with name recipes, recipes_server, recipes_production, recipes_server_production.", :red
        say "Either:"
        say "  * Create an Engine Yard Cloud environment called recipes, recipes_server, recipes_production, recipes_server_production"
        say "  * Use --environment/--account flags to select Engine Yard Cloud environment"
      end
      
      def too_many_environments_discovered(environments)
        say "Multiple environments possible, please be more specific:", :red
        say ""
        environments.each do |env_name, account_name, environment|
          say "  ey-recipes install_server --environment "; say "'#{env_name}' ", :yellow; 
            say "--account "; say "'#{account_name}'", :yellow
        end
      end
      
      def watch_page_while(host, port, path)
        waiting = true
        while waiting
          begin
            Net::HTTP.start(host, port) do |http|
              req = http.get(path)
              waiting = yield req
            end
            sleep 1; print '.'; $stdout.flush
          rescue SocketError => e
            sleep 1; print 'x'; $stdout.flush
          rescue Exception => e
            puts e.message
            sleep 1; print '.'; $stdout.flush
          end
        end
      end
    end
  end
end