# Copyright (C) 2019 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.

import os
import shutil
import stat

import git
import requests

from . import abstract


class CloneProjectAction(abstract.AbstractAction):
    def __init__(self, url, user, pwd, project_name, probability=0.02):
        super().__init__(url, user, pwd, probability)
        self.project_name = project_name

    def _execute_action(self):
        local_repo_path = os.path.join("/tmp", self.project_name)
        if os.path.exists(local_repo_path):
            shutil.rmtree(local_repo_path)
        git.Repo.clone_from(self._assemble_url(), local_repo_path)
        self._install_commit_hook()
        self.was_executed = True
        self._log_result(self.project_name)

    def _install_commit_hook(self):
        hook_path = os.path.join("/tmp", self.project_name, ".git/hooks/commit-msg")

        url = "%s/tools/hooks/commit-msg" % self.url
        response = requests.get(url)

        with open(hook_path, "wb+") as f:
            f.write(response.content)

        os.chmod(hook_path, os.stat(hook_path).st_mode | stat.S_IEXEC)

    def _assemble_url(self):
        url = "%s/%s.git" % (self.url, self.project_name)
        return url.replace("//", "//%s:%s@" % (self.user, self.pwd))