#!@PYTHON@
#    This file is part of GNUnet.
#    (C) 2010 Christian Grothoff (and other contributing authors)
#
#    GNUnet 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, or (at your
#    option) any later version.
#
#    GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
#    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#    Boston, MA 02110-1301, USA.
#
# Testcase for file-sharing command-line tools (recursive publishing & download)
import sys
import os
import subprocess
import re
import shutil
import tarfile
import filecmp

srcdir = "../.."
gnunet_pyexpect_dir = os.path.join (srcdir, "contrib")
if gnunet_pyexpect_dir not in sys.path:
  sys.path.append (gnunet_pyexpect_dir)

from gnunet_pyexpect import pexpect
from pydiffer import dcdiff

if os.name == 'posix':
  download = './gnunet-download'
  gnunetarm = 'gnunet-arm'
  publish = './gnunet-publish'
  unindex = './gnunet-unindex'
  search = './gnunet-search'
  directory = './gnunet-directory'
elif os.name == 'nt':
  download = './gnunet-download.exe'
  gnunetarm = 'gnunet-arm.exe'
  publish = './gnunet-publish.exe'
  unindex = './gnunet-unindex.exe'
  search = './gnunet-search.exe'
  directory = './gnunet-directory.exe'

if os.name == "nt":
  shutil.rmtree (os.path.join (os.getenv ("TEMP"), "gnunet-test-fs-py-rec"), True)
else:
  shutil.rmtree ("/tmp/gnunet-test-fs-py-rec", True)

arm = subprocess.Popen ([gnunetarm, '-sq', '-c', 'test_gnunet_fs_rec_data.conf'])
arm.communicate ()

# pray that `tar' is in PATH
tar = tarfile.open ('test_gnunet_fs_rec_data.tgz')
tar.extractall ()
# first, basic publish-search-download run
try:
  pub = pexpect ()
  pub.spawn (None, [publish, '-c', 'test_gnunet_fs_rec_data.conf', '-d', '-k', 'testdir', 'dir/'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
  # Can't say much for publishing, except that the last one is the toplevel directory
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+' done\.\r?\n"))
  pub.expect ("stdout", re.compile (r"URI is `gnunet://fs/chk/[A-Z0-9]{103}\.[A-Z0-9]{103}\.\d+'\.\r?\n"))
  pub.expect ("stdout", re.compile (r"Publishing `.+[\\/]dir[\\/]' done\.\r?\n"))
  m = pub.expect ("stdout", re.compile (r".+\r?\n"))
  if not m:
    sys.exit (3)
  output = m.string
  url = output[output.find ("`")+1:output.find("'")]

  down = pexpect ()
  down.spawn (None, [download, '-c', 'test_gnunet_fs_rec_data.conf', '-R', '-o', 'rdir.gnd', url], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
  down.expect ("stdout", re.compile (r"Downloading `rdir.gnd' done (.*).\r?\n"))

  d = pexpect ()
  d.spawn (None, [directory, '-c', 'test_gnunet_fs_rec_data.conf', 'rdir/a.gnd'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
  d.expect ("stdout", re.compile (r"Directory `a/' meta data:\r?\n"))
  d.expect ("stdout", re.compile (r"Directory `a/' contents:\r?\n"))
  d.expect ("stdout", re.compile (r"COPYING (.*)\r?\n"))
  d.expect ("stdout", re.compile (r"INSTALL (.*)\r?\n"))

  os.remove ("rdir/b.gnd")
  os.remove ("rdir/a.gnd")
  diff = dcdiff ('dir', 'rdir')
  if len (diff) != 0:
    raise Exception ("Unexpected difference between source directory and downloaded result:\n{}".format (diff))
  

finally:
  arm = subprocess.Popen ([gnunetarm, '-eq', '-c', 'test_gnunet_fs_rec_data.conf'])
  arm.communicate ()
  if os.name == "nt":
    shutil.rmtree (os.path.join (os.getenv ("TEMP"), "gnunet-test-fs-py-rec"), True)
  else:
    shutil.rmtree ("/tmp/gnunet-test-fs-py-rec", True)
  shutil.rmtree ("dir", True)
  shutil.rmtree ("rdir", True)
  shutil.rmtree ("rdir.gnd", True)
