# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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 General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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# ***** END GPL LICENCE BLOCK *****
#
# (c) 2019, Blender Foundation - Sybren A. Stüvel

import urllib.parse

import requests.packages.urllib3.util.retry
import requests.adapters


class ShamanClient:
    """Thin wrapper around a Requests session to perform Shaman requests."""

    def __init__(self, auth_token: str, base_url: str):
        self._auth_token = auth_token
        self._base_url = base_url

        retries = requests.packages.urllib3.util.retry.Retry(
            total=10,
            backoff_factor=0.05,
        )
        http_adapter = requests.adapters.HTTPAdapter(max_retries=retries)
        self._session = requests.session()
        self._session.mount('https://', http_adapter)
        self._session.mount('http://', http_adapter)

        if auth_token:
            self._session.headers['Authorization'] = 'Bearer ' + auth_token

    def request(self, method: str, url: str, **kwargs) -> requests.Response:
        kwargs.setdefault('timeout', 300)
        full_url = urllib.parse.urljoin(self._base_url, url)
        return self._session.request(method, full_url, **kwargs)

    def get(self, url, **kwargs):
        r"""Sends a GET request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        kwargs.setdefault('allow_redirects', True)
        return self.request('GET', url, **kwargs)

    def options(self, url, **kwargs):
        r"""Sends a OPTIONS request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        kwargs.setdefault('allow_redirects', True)
        return self.request('OPTIONS', url, **kwargs)

    def head(self, url, **kwargs):
        r"""Sends a HEAD request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        kwargs.setdefault('allow_redirects', False)
        return self.request('HEAD', url, **kwargs)

    def post(self, url, data=None, json=None, **kwargs):
        r"""Sends a POST request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
            object to send in the body of the :class:`Request`.
        :param json: (optional) json to send in the body of the :class:`Request`.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        return self.request('POST', url, data=data, json=json, **kwargs)

    def put(self, url, data=None, **kwargs):
        r"""Sends a PUT request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
            object to send in the body of the :class:`Request`.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        return self.request('PUT', url, data=data, **kwargs)

    def patch(self, url, data=None, **kwargs):
        r"""Sends a PATCH request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
            object to send in the body of the :class:`Request`.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        return self.request('PATCH', url, data=data, **kwargs)

    def delete(self, url, **kwargs):
        r"""Sends a DELETE request. Returns :class:`Response` object.

        :param url: URL for the new :class:`Request` object.
        :param kwargs: Optional arguments that ``request`` takes.
        :rtype: requests.Response
        """

        return self.request('DELETE', url, **kwargs)