#!/usr/bin/env ruby
# Copyright (c) 2010, The University of Manchester, UK.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
#  * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
#  * Neither the names of The University of Manchester nor the names of its
#    contributors may be used to endorse or promote products derived from this
#    software without specific prior written permission. 
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Author: Robert Haines

require 'rubygems'
require 't2-server'
require 'optparse'

opts = OptionParser.new do |opt|
  opt.banner = "Usage: t2-server-info [options] server-address"
  opt.separator ""
  opt.separator "  Where server-address is the full URI of the server to"
  opt.separator "  connect to, e.g.: http://example.com:8080/taverna"
  opt.separator "  and [options] can be:"
  opt.on_tail("-h", "-?", "--help", "Show this message") do
    puts opt
    exit
  end
  opt.on_tail("-v", "--version", "Show the version") do
    puts "Taverna 2 Server Ruby Gem version: #{T2Server::GEM_VERSION}"
    puts "Taverna 2 Server REST API version: #{T2Server::API_VERSION}"
    exit
  end
end

# parse options
opts.parse!

# read and check server address
uri = ARGV.shift
if uri == nil
  puts opts
  exit 1
end

# connect to server and output information
begin
  server = T2Server::Server.connect(uri)
  print "     Server: #{uri}\n"
  print "  Run limit: #{server.run_limit}\n"
  runs = server.runs
  print "No. of runs: #{runs.length}\n"
  if runs.length > 0
    print "   Run list: #{runs[0].uuid} - #{runs[0].expiry}\n"
    runs[1..-1].each do |run|
      print "             #{run.uuid} - #{run.expiry}\n"
    end
  end
rescue T2Server::T2ServerError => e
  puts e
  exit 1
end