#!/usr/bin/env ruby

require 'fcrepo_wrapper'
require 'optparse'

options = {}

subtext = <<HELP
Commonly used command are:
   clean :     cleans all data from fedora based on configuration options
See 'fcrepo_wrapper COMMAND --help' for more information on a specific command.
HELP

args = OptionParser.new do |opts|
  opts.banner = "Usage: fcrepo_wrapper [options]"

  opts.on("--config FILE", "Load configuration from a file") do |v|
    options[:config] = v
  end

  opts.on("-v", "--[no-]verbose", "Run verbosely") do |v|
    options[:verbose] = v
  end

  opts.on("--[no-]jms", "Run with[or witout] JMS") do |v|
    options[:enable_jms] = v
  end

  opts.on("--version VERSION", "Specify a fcrepo version to download (default: #{FcrepoWrapper.default_fcrepo_version})") do |v|
    options[:version] = v
  end

  opts.on("-pPORT", "--port PORT", "Specify the port fcrepo should run at (default: #{FcrepoWrapper.default_fcrepo_port})") do |p|
    if p == 'random'
      options[:port] = nil
    else
      options[:port] = p
    end
  end

  opts.on("-iDIR", "--instance_directory DIR", "Install/use fcrepo jar at the given directory") do |d|
    options[:instance_dir] = d
  end

  opts.on("-dDIR", "--fcrepo_home DIR", "Store fcrepo at the given directory") do |d|
    options[:fcrepo_home_dir] = d
  end

  opts.on("-h", "--help", "Show these usage options") do
    puts opts
    exit
  end

  opts.separator ""
  opts.separator subtext
end

subcommands = {
    'clean' => OptionParser.new do |opts|
      opts.banner = "Usage: clean"
    end,
}

begin
  args.order!
  command = ARGV.shift
  if command
    raise "Bad subcommand: #{command}" unless subcommands[command]
    subcommands[command].order!
  end
  args.parse!
rescue => error
  $stderr.puts "ERROR: #{error}\n"
  $stderr.puts "#{args.help}\n"
  exit 1
end

instance = FcrepoWrapper.default_instance(options)

if command == 'clean'
  $stderr.puts "cleaning #{instance.instance_dir}..."
  instance.clean!
  exit 0
end

$stderr.print "Starting Fedora #{instance.version} on port #{instance.port} ... "
instance.wrap do |conn|
  $stderr.puts "http://#{instance.host}:#{instance.port}/"
  begin
    while conn.status
      sleep 1
    end
  rescue Interrupt
    Signal.trap("SIGTERM") { "IGNORE" }
    Signal.trap("SIGINT") { "IGNORE" }
    $stderr.puts "Fedora is shutting down."
  end
end