# $Id: app.rb 2374 2006-04-24 02:51:49Z francis $
#
# Monorail::Application
# This runs a monorail system from a command-line binary.
# The binary is generated by rake and invokes us here.
#
#--
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#




require 'ostruct'
require 'optparse'


module Monorail

  # TODO, this is not unified with the version string in the Rakefile.
  Version = "0.0.1"

  def self.application
    Application.new
  end


class Application


  def initialize
  end


  def run
    parse_arguments
    Monorail.new( @options ).run
  end


  def parse_arguments
    @options = OpenStruct.new
    @options.host = "127.0.0.1"
    @options.port = 8090
    @options.ssl = false
    @options.daemon = false
    @options.rails = nil
    @options.monorail = nil

    opts = OptionParser.new {|opts|

      opts.separator ""
      opts.separator "Options summary:"

      opts.on("-a", "--addr IP-address",
        "Requires the host IP address to listen on",
        "    default: 127.0.0.1") {|addr|
          @options.host = addr
      }

      opts.on("-p", "--port TCP port",
        "Requires the TCP port to listen on",
        "    default: 8090") {|port|
          @options.port = port.to_i
      }

      opts.on("-s", "--[no-]ssl", "Require SSL (HTTPS)",
        "    default: false") {|ssl|
          @options.ssl = ssl
      }

      opts.on("-d", "--[no-]daemon", "Run in the background",
        "    default: false") {|d|
          @options.daemon = d
      }

      # TODO, wrong, we need one parameter to select the environment, not several.
      opts.on("--rails [DIR]", "run a rails app in the specified directory",
        "    default: the current directory") {|d|
          @options.rails = d || "."
      }

      opts.on("--monorail [DIR]", "run a monorails app in the specified directory",
        "    default: the current directory") {|d|
          @options.monorail = d || "."
      }

      # Options summary
      opts.on_tail("-h", "--help", "Show this message") {
        puts opts
        exit
      }
      # Version
      opts.on_tail("--version", "Show version") {
        puts Monorail::Version
        exit
      }


    }

    opts.parse!(ARGV)

  end



end # class Application


end # module Monorail


#----------------------