#!/usr/bin/env ruby

require "optparse"

HERE = '~/Documents'
THERE = '/Volumes/JungleDisk/documents'

def rsync(args, verbose=false, dry_run=false)
  cmd = "rsync --inplace --size-only"
  cmd << " --verbose" if verbose
  cmd << " --dry-run" if dry_run
  cmd << " #{args}"
  puts "Executing: #{cmd}"
  puts %x(#{cmd})
  exit(1) unless $? == 0
end

options = {
  :verbose => false,
  :dry_run => false
}

op = OptionParser.new do |o|
  o.banner = "#{$0} [options] [action]"
  o.separator "Actions:"
  o.separator "    here  -- Sync from S3 -> here"
  o.separator "    there -- Sync from here -> S3"
  o.separator "Options:"
  o.on('-v', '--verbose', 'Turn on verbose output') do |v|
    options[:verbose] = true
  end
  o.on('-d', '--dry-run', 'Fake it') do |d|
    options[:dry_run] = true
  end
end
op.parse!(ARGV)

action = ARGV.shift
case action
when "here"
  rsync("#{THERE}/sync_files #{HERE}", options[:verbose], options[:dry_run])
  rsync("--delete --recursive --files-from #{HERE}/sync_files #{THERE} #{HERE}",
        options[:verbose],
        options[:dry_run])
when "there"
  rsync(<<-EOF, options[:verbose], options[:dry_run])
    --delete \
    --inplace \
    --size-only \
    --recursive \
    --files-from #{HERE}/sync_files \
    #{HERE} #{THERE}
    EOF
else
  $stderr.puts "Unrecognized action '#{action}', choose 'here' or 'there'"
  exit 1
end