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#!/usr/bin/env ruby

require 'rubygems'
require 'pp'
require 'appscript'
require 'mixlib/cli'

class MacDevStart
  include Mixlib::CLI
  include Appscript

  SERVICES = %w{couchdb rabbitmq chef_solr chef_expander chef_server chef_webui}

  option :environment,
    :short => '-e ENV',
    :long => '--environment ENV',
    :default => 'test',
    :description => 'Set the environment (test|dev), defaults to test'

  def run
    @srcdir = File.expand_path(File.dirname(__FILE__))

    @base_cmd = case config[:environment]
      when 'test'
        "cd #{@srcdir} && rake dev:features:start:"
      when 'dev'
        "cd #{@srcdir} && rake dev:start:"
      else
        puts "--environment must be set to either 'test' or 'dev'"
        puts @opt_parser
        exit 1
    end

    STDOUT.puts "Starting services:"
    pp SERVICES
    start_services(SERVICES)
  end

  def create_tab
    @window.activate
    app("System Events").application_processes["Terminal.app"].keystroke("t", :using=>:command_down)
  end

  def terminal_app
    @terminal_app ||= app("Terminal")
  end

  def create_term_window
    terminal_app.windows.first.activate
    app("System Events").application_processes["Terminal.app"].keystroke("n", :using=>:command_down)
    @window = terminal_app.windows.first.get
  end

  def start_service_in_tab(service, tab)
    # use xterm escape codes to set the tab title to the service running in the tab.
    cmd = "unset PROMPT_COMMAND; echo -e \"\\033]0;#{service}\\007\"; #{@base_cmd}#{service}"
    app('Terminal').do_script(cmd, :in => @window.tabs[tab].get)
  end

  def start_services(services)
    create_term_window

    tab_index = 1 # applescript indexes from 1 instead of 0

    (services.size - 1).times { create_tab }

    services.each do |service|
      start_service_in_tab(service, tab_index)
      tab_index += 1
    end
  end
end

if __FILE__ == $0
  os = MacDevStart.new
  os.parse_options
  os.run
end