# Copyright (C) 2010-2023 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program 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 Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import pytest

from rhodecode.apps import file_store
from rhodecode.apps.file_store import config_keys
from rhodecode.apps.file_store.backends.filesystem_legacy import LegacyFileSystemBackend
from rhodecode.apps.file_store.backends.filesystem import FileSystemBackend
from rhodecode.apps.file_store.backends.objectstore import ObjectStoreBackend
from rhodecode.apps.file_store.exceptions import FileNotAllowedException, FileOverSizeException

from rhodecode.apps.file_store import utils as store_utils
from rhodecode.apps.file_store.tests import random_binary_file, file_store_instance


class TestFileStoreBackends:

    @pytest.mark.parametrize('backend_type, expected_instance', [
        (config_keys.backend_legacy_filesystem, LegacyFileSystemBackend),
        (config_keys.backend_filesystem, FileSystemBackend),
        (config_keys.backend_objectstore, ObjectStoreBackend),
    ])
    def test_get_backend(self, backend_type, expected_instance, ini_settings):
        config = ini_settings
        config[config_keys.backend_type] = backend_type
        f_store = store_utils.get_filestore_backend(config=config, always_init=True)
        assert isinstance(f_store, expected_instance)

    @pytest.mark.parametrize('backend_type, expected_instance', [
        (config_keys.backend_legacy_filesystem, LegacyFileSystemBackend),
        (config_keys.backend_filesystem, FileSystemBackend),
        (config_keys.backend_objectstore, ObjectStoreBackend),
    ])
    def test_store_and_read(self, backend_type, expected_instance, ini_settings, random_binary_file):
        filename, temp_file = random_binary_file
        config = ini_settings
        config[config_keys.backend_type] = backend_type
        f_store = store_utils.get_filestore_backend(config=config, always_init=True)
        metadata = {
            'user_uploaded': {
                'username': 'user1',
                'user_id': 10,
                'ip': '10.20.30.40'
            }
        }
        store_fid, metadata = f_store.store(filename, temp_file, extra_metadata=metadata)
        assert store_fid
        assert metadata

        # read-after write
        reader, metadata2 = f_store.fetch(store_fid)
        assert reader
        assert metadata2['filename'] == filename

    @pytest.mark.parametrize('backend_type, expected_instance', [
        (config_keys.backend_legacy_filesystem, LegacyFileSystemBackend),
        (config_keys.backend_filesystem, FileSystemBackend),
        (config_keys.backend_objectstore, ObjectStoreBackend),
    ])
    def test_store_file_not_allowed(self, backend_type, expected_instance, ini_settings, random_binary_file):
        filename, temp_file = random_binary_file
        config = ini_settings
        config[config_keys.backend_type] = backend_type
        f_store = store_utils.get_filestore_backend(config=config, always_init=True)
        with pytest.raises(FileNotAllowedException):
            f_store.store('notallowed.exe', temp_file, extensions=['.txt'])

    @pytest.mark.parametrize('backend_type, expected_instance', [
        (config_keys.backend_legacy_filesystem, LegacyFileSystemBackend),
        (config_keys.backend_filesystem, FileSystemBackend),
        (config_keys.backend_objectstore, ObjectStoreBackend),
    ])
    def test_store_file_over_size(self, backend_type, expected_instance, ini_settings, random_binary_file):
        filename, temp_file = random_binary_file
        config = ini_settings
        config[config_keys.backend_type] = backend_type
        f_store = store_utils.get_filestore_backend(config=config, always_init=True)
        with pytest.raises(FileOverSizeException):
            f_store.store('toobig.exe', temp_file, extensions=['.exe'], max_filesize=124)

    @pytest.mark.parametrize('backend_type, expected_instance, extra_conf', [
        (config_keys.backend_legacy_filesystem, LegacyFileSystemBackend, {}),
        (config_keys.backend_filesystem, FileSystemBackend, {config_keys.filesystem_storage_path: '/tmp/test-fs-store'}),
        (config_keys.backend_objectstore, ObjectStoreBackend, {config_keys.objectstore_bucket: 'test-bucket'}),
    ])
    def test_store_stats_and_keys(self, backend_type, expected_instance, extra_conf, ini_settings, random_binary_file):
        config = ini_settings
        config[config_keys.backend_type] = backend_type
        config.update(extra_conf)

        f_store = store_utils.get_filestore_backend(config=config, always_init=True)

        # purge storage before running
        for shard, k in f_store.iter_artifacts():
            f_store.delete(k)

        for i in range(10):
            filename, temp_file = random_binary_file

            metadata = {
                'user_uploaded': {
                    'username': 'user1',
                    'user_id': 10,
                    'ip': '10.20.30.40'
                }
            }
            store_fid, metadata = f_store.store(filename, temp_file, extra_metadata=metadata)
            assert store_fid
            assert metadata

        cnt, size, meta = f_store.get_statistics()
        assert cnt == 10
        assert 10 == len(list(f_store.iter_keys()))