#
# known_testers.py
#
# This source file is part of the FoundationDB open source project
#
# Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import os

MAX_API_VERSION = 710
COMMON_TYPES = ['null', 'bytes', 'string', 'int', 'uuid', 'bool', 'float', 'double', 'tuple']
ALL_TYPES = COMMON_TYPES + ['versionstamp']


class Tester:
    def __init__(self, name, cmd, max_int_bits=64, min_api_version=0, max_api_version=MAX_API_VERSION, threads_enabled=True, types=COMMON_TYPES, directory_snapshot_ops_enabled=True):
        self.name = name
        self.cmd = cmd
        self.max_int_bits = max_int_bits
        self.min_api_version = min_api_version
        self.max_api_version = max_api_version
        self.threads_enabled = threads_enabled
        self.types = types
        self.directory_snapshot_ops_enabled = directory_snapshot_ops_enabled

    def supports_api_version(self, api_version):
        return api_version >= self.min_api_version and api_version <= self.max_api_version

    @classmethod
    def get_test(cls, test_name_or_args):
        if test_name_or_args in testers:
            return testers[test_name_or_args]
        else:
            return Tester(test_name_or_args.split(' ')[0], test_name_or_args)


def _absolute_path(path):
    return os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', path)


_java_cmd = 'java -ea -cp %s:%s com.apple.foundationdb.test.' % (
    _absolute_path('java/foundationdb-client.jar'),
    _absolute_path('java/foundationdb-tests.jar'))

# We could set min_api_version lower on some of these if the testers were updated to support them
testers = {
    'python': Tester('python', 'python ' + _absolute_path('python/tests/tester.py'), 2040, 23, MAX_API_VERSION, types=ALL_TYPES),
    'python3': Tester('python3', 'python3 ' + _absolute_path('python/tests/tester.py'), 2040, 23, MAX_API_VERSION, types=ALL_TYPES),
    'ruby': Tester('ruby', _absolute_path('ruby/tests/tester.rb'), 2040, 23, MAX_API_VERSION),
    'java': Tester('java', _java_cmd + 'StackTester', 2040, 510, MAX_API_VERSION, types=ALL_TYPES),
    'java_async': Tester('java', _java_cmd + 'AsyncStackTester', 2040, 510, MAX_API_VERSION, types=ALL_TYPES),
    'go': Tester('go', _absolute_path('go/build/bin/_stacktester'), 2040, 200, MAX_API_VERSION, types=ALL_TYPES),
    'flow': Tester('flow', _absolute_path('flow/bin/fdb_flow_tester'), 63, 500, MAX_API_VERSION, directory_snapshot_ops_enabled=False),
}
