# pylint: disable=W0613, E1101

# Copyright (C) 2018 The Android Open Source Project
#
# 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.

from glob import glob

import os
import os.path
import re

import git
import pytest
import requests

import utils

CONFIG_FILES = ["gerrit.config", "secure.config"]


@pytest.fixture(scope="module")
def tmp_dir(tmp_path_factory):
    return tmp_path_factory.mktemp("gerrit-slave-test")


@pytest.fixture(scope="class")
def container_run_h2(
    request,
    docker_client,
    docker_network,
    tmp_dir,
    gerrit_slave_image,
    gerrit_container_factory,
):
    configs = {
        "gerrit.config": """
      [gerrit]
        basePath = git

      [database]
        type = H2

      [httpd]
        listenUrl = http://*:8081

      [container]
        slave = true

      [test]
        success = True
      """,
        "secure.config": """
      [test]
          success = True
      """,
    }
    test_setup = gerrit_container_factory(
        docker_client, docker_network, tmp_dir, gerrit_slave_image, configs, 8081
    )
    test_setup.start()

    request.addfinalizer(test_setup.stop)

    return test_setup.gerrit_container


@pytest.fixture(scope="class")
def container_run_mysql(
    request,
    docker_client,
    docker_network,
    tmp_dir,
    gerrit_slave_image,
    gerrit_container_factory,
):
    configs = {
        "gerrit.config": """
      [gerrit]
        basePath = git

      [database]
        type = MySQL

      [httpd]
        listenUrl = http://*:8082

      [container]
        slave = true
      """
    }
    test_setup = gerrit_container_factory(
        docker_client, docker_network, tmp_dir, gerrit_slave_image, configs, 8082
    )
    test_setup.start()

    request.addfinalizer(test_setup.stop)

    return test_setup.gerrit_container


@pytest.mark.slow
@pytest.mark.incremental
class TestGerritSlaveH2:
    @pytest.fixture(params=CONFIG_FILES)
    def config_file_to_test(self, request):
        return request.param

    @pytest.fixture(params=["All-Users.git", "All-Projects.git"])
    def expected_repository(self, request):
        return request.param

    def test_gerrit_slave_gerrit_starts_up(self, container_run_h2):
        def wait_for_gerrit_start():
            log = container_run_h2.logs().decode("utf-8")
            return log, re.search(r"Gerrit Code Review .+ ready", log)

        finished_in_time, _ = utils.exec_fn_with_timeout(wait_for_gerrit_start, 60)
        assert finished_in_time

    def test_gerrit_slave_custom_gerrit_config_available(
        self, container_run_h2, config_file_to_test
    ):
        exit_code, output = container_run_h2.exec_run(
            "git config --file=/var/gerrit/etc/%s --get test.success"
            % config_file_to_test
        )
        output = output.decode("utf-8").strip()
        assert exit_code == 0
        assert output == "True"

    def test_gerrit_slave_repository_exists(
        self, container_run_h2, expected_repository
    ):
        exit_code, _ = container_run_h2.exec_run(
            "test -d /var/gerrit/git/%s" % expected_repository
        )
        assert exit_code == 0

    def test_gerrit_slave_clone_repo_works(self, container_run_h2, tmp_path_factory):
        container_run_h2.exec_run("git init --bare /var/gerrit/git/test.git")
        clone_dest = tmp_path_factory.mktemp("gerrit_slave_clone_test")
        repo = git.Repo.clone_from("http://localhost:8081/test.git", clone_dest)
        assert repo.git_dir == os.path.join(clone_dest, ".git")

    def test_gerrit_slave_webui_not_accessible(self, container_run_h2):
        response = requests.get("http://localhost:8081")
        assert response.status_code == 404
        assert response.text == "Not Found"


@pytest.mark.slow
def test_gerrit_slave_downloads_mysql_driver(container_run_mysql, tmp_dir):
    def wait_for_mysql_driver_download():
        _, output = container_run_mysql.exec_run(
            "find /var/gerrit/lib -name 'mysql-connector-java-*.jar'"
        )
        output = output.decode("utf-8").strip()
        return output, re.match(r"/var/gerrit/lib/mysql-connector-java-.*\.jar", output)

    finished_in_time, _ = utils.exec_fn_with_timeout(wait_for_mysql_driver_download, 20)
    assert finished_in_time

    driver_path_pattern = os.path.join(tmp_dir, "lib", "mysql-connector-java-*.jar")
    lib_files = [f for f in glob(driver_path_pattern) if os.path.isfile(f)]
    assert lib_files