require 'gorgon/settings/files_content'

module Settings
  class RailsProjectFilesContent < FilesContent
    def initialize
      super
      @amqp_host = FilesContent.get_amqp_host
      @sync_exclude = [".git", ".rvmrc","tmp","log","doc"]
      @originator_log_file = 'log/gorgon-originator.log'
      create_callbacks
    end

    private

    def create_callbacks
      @callbacks_dir = "#{get_app_subdir}gorgon_callbacks"
      @callbacks = [{name: :after_sync, file_name: "after_sync.rb",
                      content: after_sync_content},
                    {name: :before_creating_workers, file_name: "before_creating_workers.rb",
                      content: before_creating_workers_content},
                    {name: :before_start, file_name: "before_start.rb",
                      content: before_start_content},
                    {name: :after_complete, file_name: "after_complete.rb",
                      content: after_complete_content}]
    end

    def get_app_subdir
      if Dir.exist? "test"
        "test/"
      elsif Dir.exist? "spec"
        "spec/"
      elsif Dir.exist? "lib"
        "lib/"
      else
        ""
      end
    end

    def after_sync_content
      <<-CONTENT
require 'bundler'
require 'open4'

Bundler.with_clean_env do
  BUNDLE_LOG_FILE||="/tmp/gorgon-bundle-install.log "

  pid, stdin, stdout, stderr = Open4::popen4 "bundle install > \#\{BUNDLE_LOG_FILE\} 2>&1 "

  ignore, status = Process.waitpid2 pid

  if status.exitstatus != 0
    raise "ERROR: 'bundle install' failed.\n\#\{stderr.read\}"
  end
end
CONTENT
    end

    def before_creating_workers_content
      content = ""
      content << "require './test/test_helper'\n" if File.exist?("test/test_helper.rb")
      content << "require './spec/spec_helper'\n" if File.exist?("spec/spec_helper.rb")
      content
    end

    def before_start_content
      <<-CONTENT
require 'rake'
load './Rakefile'

begin
  Rails.env = 'remote_test'
  ENV['TEST_ENV_NUMBER'] = Process.pid.to_s

  Rake::Task['db:reset'].invoke
end

CONTENT
    end

    def after_complete_content
      <<-CONTENT
require 'rake'
load './Rakefile'

begin
  if Rails.env = 'remote_test'
    Rake::Task['db:drop'].execute
  end
rescue Exception => ex
  puts "Error dropping test database:\n  \#\{ex\}"
end
CONTENT
    end
  end
end