#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
#
# PastehubSync - PasteHub's sync program for UNIX client.
#  
#   Copyright (c) 2009-2011  Kiyoka Nishiyama  <kiyoka@sumibi.org>
#   
#   Redistribution and use in source and binary forms, with or without
#   modification, are permitted provided that the following conditions
#   are met:
#   
#   1. Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#  
#   2. 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.
#  
#   3. Neither the name of the authors 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.
#  
#
require 'thread'
require 'pastehub'

PasteHub::Config.instance.loadClient
RETRY_INTERVAL = 60


def setup
  if not PasteHub.setupDirectory( )
    exit( 1 )
  end
  return PasteHub.signIn( )
end

def main
  ret = setup()
  username  = ret[0]
  secretKey = ret[1]
  password  = ret[2]

  # save pid file
  PasteHub.savePid( Process.pid )

  # create clientSync
  clientSync = PasteHub::ClientSync.new(
                                    PasteHub::Config.instance.listItems / 2,
                                    PasteHub::Config.instance.localDbPath,
                                    0.5 )
  clientSync.addNoitfyCallback( lambda { puts '<< COUNTUP >>' }, lambda { puts '<< ONLINE >>' }, lambda { puts '<< offline >>' } )

  while true
    begin

      case RbConfig::CONFIG['host_os']
      when /mingw32|mswin|windows/i
        # Windows
      else
        # Other
        Signal.trap( :SIGUSR1 ) {
          STDERR.puts( "Info: caught signal." )
          clientSync.syncNow( username, secretKey, password )
        }
      end

      if username
        threads = []
        threads.push(Thread.new { clientSync.syncMain(       username, secretKey, password ) })
        threads.push(Thread.new { clientSync.clipboardCheck( username, secretKey, password ) })          
        threads.each {|t| t.join}
      end

    rescue Errno::ECONNREFUSED => e
      STDERR.puts "retrying... pastehub server is down(1)"
      sleep RETRY_INTERVAL
    rescue Errno::ETIMEDOUT => e
      STDERR.puts "retrying... network is offline(1)"
      sleep RETRY_INTERVAL
    rescue SocketError => e
      STDERR.puts "retrying... network is offline(2)"
      sleep RETRY_INTERVAL
    rescue Timeout::Error => e
      # ONLINE, but server is not helthy
      STDERR.puts "retrying... pastehub server is down(2)"
      sleep RETRY_INTERVAL
    rescue Errno::ECONNRESET => e
      STDERR.puts "retrying... pastehub server is down(3)"
      sleep RETRY_INTERVAL
    end
  end
end

main