# Copyright (C) 2011 RightScale, Inc, All Rights Reserved Worldwide.
#
# THIS PROGRAM IS CONFIDENTIAL AND PROPRIETARY TO RIGHTSCALE
# AND CONSTITUTES A VALUABLE TRADE SECRET. Any unauthorized use,
# reproduction, modification, or disclosure of this program is
# strictly prohibited. Any use of this program by an authorized
# licensee is strictly subject to the terms and conditions,
# including confidentiality obligations, set forth in the applicable
# License Agreement between RightScale.com, Inc. and
# the licensee

module RightConf

  class BuildConfigurator

    include Configurator

    register :build

    description 'Builds a repository using the ./configure, make, make install commands'

    settings :path           => 'Path to source files',
             :pre_step       => 'Command ran prior to ./configure',
             :message        => 'Progress message to display if any while building',
             :configure_opts => 'Hash of options to be given to the configure script. ' +
                                'The keys are the platform families (:darwin, :linux or :windows)',
             :only_if        => 'Ruby code that should return true for build to proceed'

    validate_has_settings :path

    # Run command line
    #
    # === Return
    # true:: Always return true
    def run_linux
      if only_if.nil? || instance_eval(only_if)
        message("Building #{path}") if message.nil?
        report_check message
        Dir.chdir(path) do
          Command.execute(*command_args(pre_step)) if pre_step
          opts = configure_opts && configure_opts[Platform.family]
          Command.execute(*command_args("./configure #{opts}"))
          Command.execute(*command_args('make'))
          report_success
          report("Please enter you password to run the install step")
          Command.sudo('echo')
          report_check 'Installing'
          Command.sudo(*command_args('make install'))
        end
        report_success
      end
      true
    end
    alias :run_darwin :run_linux

    # Run command line on Windows
    #
    # === Return
    # true:: Always return true
    def run_windows
      true # TBD
    end

    protected

    # Build arguments for Command.execute from command line
    #
    # === Arguments
    # command(String):: Command line to run
    #
    # === Return
    # args(Array):: Array of arguments to be passed to Command.execute
    def command_args(command)
      args = command.split(' ').compact
      args += [ { :abort_on_failure => "Failed to run #{command.rstrip}" } ]
    end

  end
end