#!@PYTHONEXE@
#    This file is part of GNUnet.
#    (C) 2010, 2018 Christian Grothoff (and other contributing authors)
#
#    GNUnet is free software: you can redistribute it and/or modify it
#    under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License,
#    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
#    Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#    SPDX-License-Identifier: AGPL3.0-or-later
#
# Testcase for file-sharing command-line tools (publish, search, download)

import sys
import os
import subprocess
import re
import shutil
try:
    # Python 2.7
    reload
except NameError:
    try:
        # Python 3.4+:
        from importlib import reload
    except ImportError:
        # Python 3.0 - 3.3
        from imp import reload

reload(sys)

# Force encoding to utf-8, as this test otherwise fails
# on some systems (see #5094). In Python 3+ there is no attribute
# sys.setdefaultencoding anymore.
if (3 < sys.version_info[0]):
    sys.setdefaultencoding('utf8')

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

from gnunet_pyexpect import pexpect

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

if "GNUNET_PREFIX" in os.environ:
    pass
else:
    print("You need to export GNUNET_PREFIX")
    sys.exit(1)

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

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

# first, basic publish-search-download run
try:
    pub = pexpect()
    pub.spawn(
        None, [
            publish, '-c', 'test_gnunet_fs_psd_data.conf', '-n', '-m',
            "description:Test archive", '-k', 'tst',
            'test_gnunet_fs_rec_data.tgz'
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT
    )
    pub.expect(
        "stdout",
        re.compile(r"Publishing `.+test_gnunet_fs_rec_data.tgz' done\.\r?\n")
    )
    pub.expect(
        "stdout",
        re.compile(
            r"URI is `gnunet://fs/chk/2ZMHKPV74CB6GB1GFKQRR95BXJQA2SER25FN48GAW7WSBPA0GDEM5Y74V1ZJHM0NA6919TVW376BHTFDRE3RYS0KRY92M1QJVKPHFCR\.49BT3V5C10KA1695JF71FCT8ZZG4JMJSH04BD9CT22R6KEM915A7CEST17RD0QYTHXV5M4HHEGJMEZSFRDB7JAYC0EMJAN2V781E9DG\.17822'\.\r?\n"
        )
    )

    s = pexpect()
    s.spawn(
        None, [
            search, '-V', '-t', '1000 ms', '-N', '1', '-c',
            'test_gnunet_fs_psd_data.conf', 'tst'
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT
    )
    s.expect(
        "stdout",
        re.compile(
            r'gnunet-download -o "test_gnunet_fs_rec_data.tgz" gnunet://fs/chk/2ZMHKPV74CB6GB1GFKQRR95BXJQA2SER25FN48GAW7WSBPA0GDEM5Y74V1ZJHM0NA6919TVW376BHTFDRE3RYS0KRY92M1QJVKPHFCR\.49BT3V5C10KA1695JF71FCT8ZZG4JMJSH04BD9CT22R6KEM915A7CEST17RD0QYTHXV5M4HHEGJMEZSFRDB7JAYC0EMJAN2V781E9DG\.17822\r?\n'
        )
    )

    down = pexpect()
    down.spawn(
        None, [
            download, '-c', 'test_gnunet_fs_psd_data.conf', '-o',
            'test_gnunet_fs_rec_data.tar.gz',
            'gnunet://fs/chk/2ZMHKPV74CB6GB1GFKQRR95BXJQA2SER25FN48GAW7WSBPA0GDEM5Y74V1ZJHM0NA6919TVW376BHTFDRE3RYS0KRY92M1QJVKPHFCR.49BT3V5C10KA1695JF71FCT8ZZG4JMJSH04BD9CT22R6KEM915A7CEST17RD0QYTHXV5M4HHEGJMEZSFRDB7JAYC0EMJAN2V781E9DG.17822'
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT
    )
    down.expect(
        "stdout",
        re.compile(
            r"Downloading `test_gnunet_fs_rec_data.tar.gz' done (.*).\r?\n"
        )
    )
    os.remove("test_gnunet_fs_rec_data.tar.gz")

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