# -*- coding: utf-8 -*-
'''
Tests for the archive state
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals
import errno
import logging
import os

# Import Salt Testing libs
from tests.support.case import ModuleCase
from tests.support.helpers import skip_if_not_root, Webserver
from tests.support.mixins import SaltReturnAssertsMixin
from tests.support.runtests import RUNTIME_VARS

# Import Salt libs
import salt.utils.files
import salt.utils.platform

# Setup logging
log = logging.getLogger(__name__)

ARCHIVE_DIR = os.path.join('c:/', 'tmp') \
    if salt.utils.platform.is_windows() \
    else '/tmp/archive'

ARCHIVE_NAME = 'custom.tar.gz'
ARCHIVE_TAR_SOURCE = 'http://localhost:{0}/{1}'.format(9999, ARCHIVE_NAME)
ARCHIVE_TAR_HASH = 'md5=7643861ac07c30fe7d2310e9f25ca514'
ARCHIVE_TAR_SHA_HASH = 'sha256=9591159d86f0a180e4e0645b2320d0235e23e66c66797df61508bf185e0ac1d2'
ARCHIVE_TAR_BAD_HASH = 'md5=d41d8cd98f00b204e9800998ecf8427e'
ARCHIVE_TAR_HASH_UPPER = 'md5=7643861AC07C30FE7D2310E9F25CA514'


class ArchiveTest(ModuleCase, SaltReturnAssertsMixin):
    '''
    Validate the archive state
    '''
    @classmethod
    def setUpClass(cls):
        cls.webserver = Webserver()
        cls.webserver.start()
        cls.archive_tar_source = cls.webserver.url('custom.tar.gz')
        cls.archive_local_tar_source = 'file://{0}'.format(os.path.join(RUNTIME_VARS.BASE_FILES, ARCHIVE_NAME))
        cls.untar_file = os.path.join(ARCHIVE_DIR, 'custom/README')

    @classmethod
    def tearDownClass(cls):
        cls.webserver.stop()

    def setUp(self):
        self._clear_archive_dir()

    def tearDown(self):
        self._clear_archive_dir()

    @staticmethod
    def _clear_archive_dir():
        try:
            salt.utils.files.rm_rf(ARCHIVE_DIR)
        except OSError as exc:
            if exc.errno != errno.ENOENT:
                raise

    def _check_extracted(self, path):
        '''
        function to check if file was extracted
        '''
        log.debug('Checking for extracted file: %s', path)
        self.assertTrue(os.path.isfile(path))

    def run_function(self, *args, **kwargs):  # pylint: disable=arguments-differ
        ret = super(ArchiveTest, self).run_function(*args, **kwargs)
        log.debug('ret = %s', ret)
        return ret

    def run_state(self, *args, **kwargs):  # pylint: disable=arguments-differ
        ret = super(ArchiveTest, self).run_state(*args, **kwargs)
        log.debug('ret = %s', ret)
        return ret

    def test_archive_extracted_skip_verify(self):
        '''
        test archive.extracted with skip_verify
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source, archive_format='tar',
                             skip_verify=True)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')
        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_archive_extracted_with_source_hash(self):
        '''
        test archive.extracted without skip_verify
        only external resources work to check to
        ensure source_hash is verified correctly
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_HASH)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    @skip_if_not_root
    def test_archive_extracted_with_root_user_and_group(self):
        '''
        test archive.extracted with user and group set to "root"
        '''
        r_group = 'root'
        if salt.utils.platform.is_darwin():
            r_group = 'wheel'
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_HASH,
                             user='root', group=r_group)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_archive_extracted_with_strip_in_options(self):
        '''
        test archive.extracted with --strip in options
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source,
                             source_hash=ARCHIVE_TAR_HASH,
                             options='--strip=1',
                             enforce_toplevel=False)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')

        self.assertSaltTrueReturn(ret)

        self._check_extracted(os.path.join(ARCHIVE_DIR, 'README'))

    def test_archive_extracted_with_strip_components_in_options(self):
        '''
        test archive.extracted with --strip-components in options
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source,
                             source_hash=ARCHIVE_TAR_HASH,
                             options='--strip-components=1',
                             enforce_toplevel=False)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')

        self.assertSaltTrueReturn(ret)

        self._check_extracted(os.path.join(ARCHIVE_DIR, 'README'))

    def test_archive_extracted_without_archive_format(self):
        '''
        test archive.extracted with no archive_format option
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source,
                             source_hash=ARCHIVE_TAR_HASH)
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')
        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_archive_extracted_with_cmd_unzip_false(self):
        '''
        test archive.extracted using use_cmd_unzip argument as false
        '''

        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_tar_source,
                             source_hash=ARCHIVE_TAR_HASH,
                             use_cmd_unzip=False,
                             archive_format='tar')
        if 'Timeout' in ret:
            self.skipTest('Timeout talking to local tornado server.')
        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_local_archive_extracted(self):
        '''
        test archive.extracted with local file
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar')

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_local_archive_extracted_skip_verify(self):
        '''
        test archive.extracted with local file, bad hash and skip_verify
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_BAD_HASH, skip_verify=True)

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_local_archive_extracted_with_source_hash(self):
        '''
        test archive.extracted with local file and valid hash
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_HASH)

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_local_archive_extracted_with_bad_source_hash(self):
        '''
        test archive.extracted with local file and bad hash
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_BAD_HASH)

        self.assertSaltFalseReturn(ret)

    def test_local_archive_extracted_with_uppercase_source_hash(self):
        '''
        test archive.extracted with local file and bad hash
        '''
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             source_hash=ARCHIVE_TAR_HASH_UPPER)

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

    def test_archive_extracted_with_non_base_saltenv(self):
        '''
        test archive.extracted with a saltenv other than `base`
        '''
        ret = self.run_function(
            'state.sls',
            ['issue45893'],
            pillar={'issue45893.name': ARCHIVE_DIR},
            saltenv='prod')
        self.assertSaltTrueReturn(ret)
        self._check_extracted(os.path.join(ARCHIVE_DIR, self.untar_file))

    def test_local_archive_extracted_with_skip_files_list_verify(self):
        '''
        test archive.extracted with local file and skip_files_list_verify set to True
        '''
        expected_comment = ('existing source sum is the same as the expected one and '
                            'skip_files_list_verify argument was set to True. '
                            'Extraction is not needed')
        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             skip_files_list_verify=True,
                             source_hash_update=True,
                             source_hash=ARCHIVE_TAR_SHA_HASH)

        self.assertSaltTrueReturn(ret)

        self._check_extracted(self.untar_file)

        ret = self.run_state('archive.extracted', name=ARCHIVE_DIR,
                             source=self.archive_local_tar_source, archive_format='tar',
                             skip_files_list_verify=True,
                             source_hash_update=True,
                             source_hash=ARCHIVE_TAR_SHA_HASH)

        self.assertSaltTrueReturn(ret)
        self.assertInSaltComment(expected_comment, ret)