# Copyright 2017-2019 Camptocamp SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)

import base64
import os

import keystoneauth1
import mock
from mock import patch

from odoo.addons.attachment_swift.models.ir_attachment import SwiftSessionStore
from odoo.addons.attachment_swift.swift_uri import SwiftUri
from odoo.addons.base.tests.test_ir_attachment import TestIrAttachment


class TestAttachmentSwift(TestIrAttachment):
    def setup(self):
        res = super().setUp()
        self.env["ir.config_parameter"].set_param("ir_attachment.location", "swift")
        return res

    def test_session_store_get_session(self):
        auth_url = "auth_url"
        username = "username"
        password = "password"
        project_name = "project_name"
        store = SwiftSessionStore()
        session = store.get_session(
            auth_url=auth_url,
            username=username,
            password=password,
            project_name=project_name,
        )
        self.assertEqual(session.auth.auth_url, auth_url)
        self.assertEqual(
            session.auth.get_cache_id_elements().get("password_username"), username
        )
        self.assertEqual(
            session.auth.get_cache_id_elements().get("password_password"), password
        )
        self.assertEqual(session.auth.project_name, project_name)

        # get the same session on a second call
        self.assertEqual(
            store.get_session(
                auth_url=auth_url,
                username=username,
                password=password,
                project_name=project_name,
            ),
            session,
        )

    @patch("swiftclient.client")
    def test_connection(self, mock_swift_client):
        """Test the connection to the store"""
        os.environ["SWIFT_AUTH_URL"] = "auth_url"
        os.environ["SWIFT_ACCOUNT"] = "account"
        os.environ["SWIFT_PASSWORD"] = "password"
        os.environ["SWIFT_PROJECT_NAME"] = "project_name"
        os.environ["SWIFT_REGION_NAME"] = "NOWHERE"
        attachment = self.Attachment
        attachment._get_swift_connection()
        mock_swift_client.Connection.assert_called_once_with(
            session=mock.ANY,
            os_options={"region_name": os.environ.get("SWIFT_REGION_NAME")},
        )
        __, kwargs = mock_swift_client.Connection.call_args
        session = kwargs["session"]
        self.assertTrue(isinstance(session, keystoneauth1.session.Session))
        self.assertEqual(session.auth.auth_url, os.environ["SWIFT_AUTH_URL"])
        self.assertEqual(
            session.auth.get_cache_id_elements().get("password_username"),
            os.environ["SWIFT_ACCOUNT"],
        )
        self.assertEqual(
            session.auth.get_cache_id_elements().get("password_password"),
            os.environ["SWIFT_PASSWORD"],
        )
        self.assertEqual(session.auth.project_name, os.environ["SWIFT_PROJECT_NAME"])

    def test_store_file_on_swift(self):
        """
        Test writing a file
        """
        (self.env["ir.config_parameter"].set_param("ir_attachment.location", "swift"))
        os.environ["SWIFT_AUTH_URL"] = "auth_url"
        os.environ["SWIFT_ACCOUNT"] = "account"
        os.environ["SWIFT_PASSWORD"] = "password"
        os.environ["SWIFT_PROJECT_NAME"] = "project_name"
        os.environ["SWIFT_WRITE_CONTAINER"] = "my_container"
        container = os.environ.get("SWIFT_WRITE_CONTAINER")
        attachment = self.Attachment
        bin_data = base64.b64decode(self.blob1_b64)
        with patch("swiftclient.client.Connection") as MockConnection:
            conn = MockConnection.return_value
            attachment.create({"name": "a5", "datas": self.blob1_b64})
            conn.put_object.assert_called_with(
                container, attachment._compute_checksum(bin_data), bin_data
            )

    def test_delete_file_on_swift(self):
        """
        Test deleting a file
        """
        (self.env["ir.config_parameter"].set_param("ir_attachment.location", "swift"))
        os.environ["SWIFT_AUTH_URL"] = "auth_url"
        os.environ["SWIFT_ACCOUNT"] = "account"
        os.environ["SWIFT_PASSWORD"] = "password"
        os.environ["SWIFT_PROJECT_NAME"] = "project_name"
        os.environ["SWIFT_WRITE_CONTAINER"] = "my_container"

        attachment = self.Attachment
        container = os.environ.get("SWIFT_WRITE_CONTAINER")
        with patch("swiftclient.client.Connection") as MockConnection:
            conn = MockConnection.return_value
            a5 = attachment.create({"name": "a5", "datas": self.blob1_b64})
            uri = SwiftUri(a5.store_fname)
            a5.unlink()
            conn.delete_object.assert_called_with(container, uri.item())