# Copyright © 2022 Aravinth Manivannan <realaravinth@batsense.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
from django.contrib.auth import get_user_model
from django.utils.http import urlencode
from django.urls import reverse
from django.test import TestCase, Client, override_settings
from django.contrib.auth import authenticate
from django.conf import settings

from .utils import IssueTracker


hostea_issue_tracker_settings = settings.HOSTEA
hostea_issue_tracker_settings["META"] = {
    "GITEA_INSTANCE": "https://gitea.gna.org",
    "GITEA_ORG_NAME": "Hostea",
    "SUPPORT_REPOSITORY": "support",
}


@override_settings(HOSTEA=hostea_issue_tracker_settings)
class IssueTrackerTests(TestCase):
    """
    Test IssueTracker utility
    """

    def test_defaults(self):
        """
        Verify default credentials; all further tests are based on defaults set
        """
        it = IssueTracker()
        self.assertEqual(it.config["GITEA_INSTANCE"], "https://gitea.gna.org")
        self.assertEqual(it.config["GITEA_ORG_NAME"], "Hostea")
        self.assertEqual(it.config["SUPPORT_REPOSITORY"], "support")

    def test_uri_builders(self):
        """
        Verify default credentials; all further tests are based on defaults set
        """
        it = IssueTracker()
        self.assertEqual(
            it.get_issue_tracker(), "https://gitea.gna.org/Hostea/support/issues"
        )
        self.assertEqual(
            it.open_issue(), "https://gitea.gna.org/Hostea/support/issues/new"
        )


class SupportWorks(TestCase):
    """
    Tests create new app view
    """

    def setUp(self):
        self.password = "password121231"
        self.username = "suport_user"
        self.email = f"{self.username}@example.org"
        self.user = get_user_model().objects.create(
            username=self.username,
            email=self.email,
        )
        self.user.set_password(self.password)
        self.user.save()

    def test_dash_is_protected(self):
        """
        Tests if support templates render
        """
        # default LOGIN redirect URI that is used by @login_required decorator is
        # /accounts/login. There's a redirection endpoint at /accounts/login/ that
        # will redirect user to /login. Hence the /accounts prefix
        def redirect_login_uri(uri: str) -> str:
            return f"/accounts{reverse('accounts.login')}?next={uri}"

        urls = [
            reverse("support.home"),
            reverse("support.new"),
            reverse("support.view"),
        ]
        for i in urls:
            print(f"[*] Testing URI: {i}")
            resp = self.client.get(i)
            self.assertEqual(resp.status_code, 302)
            expected = redirect_login_uri(i)
            self.assertEqual(resp.headers["location"], expected)

    def test_dash_home_renders(self):
        """
        Tests if login template renders
        """
        c = Client()

        #  username login works
        payload = {
            "login": self.username,
            "password": self.password,
        }
        resp = c.post(reverse("accounts.login"), payload)
        self.assertEqual(resp.status_code, 302)
        self.assertEqual(resp.headers["location"], reverse("accounts.home"))

        urls = [
            reverse("support.home"),
            reverse("support.new"),
            reverse("support.view"),
        ]
        for i in urls:
            print(f"[*] Testing URI: {i}")
            resp = c.get(i)
            self.assertEqual(resp.status_code, 200)
            self.assertEqual(b"Billing" in resp.content, True)
            self.assertEqual(b"Support" in resp.content, True)
            self.assertEqual(b"Logout" in resp.content, True)

        # new issue view
        resp = c.get(reverse("support.new"))
        self.assertEqual(resp.status_code, 200)
        it = IssueTracker()
        new_issue = str.encode(it.open_issue())
        self.assertEqual(new_issue in resp.content, True)

        # list issues view
        resp = c.get(reverse("support.new"))
        self.assertEqual(resp.status_code, 200)
        issue_tracker = str.encode(it.get_issue_tracker())
        self.assertEqual(issue_tracker in resp.content, True)