"""Unit: GiteaClient and GiteaForge (urllib mocked — no network)."""

from __future__ import annotations

import json
import unittest
import urllib.error
from unittest.mock import MagicMock, patch

from bot_bottle.contrib.gitea.client import GiteaClient, GiteaForge


def _client() -> GiteaClient:
    return GiteaClient(api_url="http://g/api/v1", owner="o", repo="r", token="tok")


def _mock_response(body: bytes) -> MagicMock:
    resp = MagicMock()
    resp.read.return_value = body
    resp.__enter__.return_value = resp
    resp.__exit__.return_value = False
    return resp


class GiteaClientTest(unittest.TestCase):
    # pylint: disable=protected-access
    def setUp(self):
        self.client = _client()

    def test_request_returns_parsed_json(self):
        payload = {"number": 42}
        resp = _mock_response(json.dumps(payload).encode())
        with patch("urllib.request.urlopen", return_value=resp):
            result = self.client._request("GET", "/repos/o/r/issues/42")
        self.assertEqual(payload, result)

    def test_request_empty_body_returns_none(self):
        resp = _mock_response(b"")
        with patch("urllib.request.urlopen", return_value=resp):
            result = self.client._request("POST", "/some/path", {"x": 1})
        self.assertIsNone(result)

    def test_is_org_member_true_on_200(self):
        mock_resp = MagicMock()
        mock_resp.close = MagicMock()
        with patch("urllib.request.urlopen", return_value=mock_resp):
            self.assertTrue(self.client.is_org_member("myorg", "alice"))

    def test_is_org_member_false_on_http_error(self):
        err = urllib.error.HTTPError("url", 404, "Not Found", None, None)  # type: ignore[arg-type]
        with patch("urllib.request.urlopen", side_effect=err):
            self.assertFalse(self.client.is_org_member("myorg", "nobody"))

    def test_get_issue(self):
        resp = _mock_response(json.dumps({"number": 1}).encode())
        with patch("urllib.request.urlopen", return_value=resp):
            result = self.client.get_issue(1)
        self.assertEqual(1, result["number"])

    def test_get_pull(self):
        resp = _mock_response(json.dumps({"number": 7, "merged": False}).encode())
        with patch("urllib.request.urlopen", return_value=resp):
            result = self.client.get_pull(7)
        self.assertEqual(7, result["number"])

    def test_list_comments(self):
        resp = _mock_response(json.dumps([{"id": 1, "body": "hi"}]).encode())
        with patch("urllib.request.urlopen", return_value=resp):
            result = self.client.list_comments(1)
        self.assertEqual(1, len(result))
        self.assertEqual(1, result[0]["id"])

    def test_create_comment(self):
        resp = _mock_response(b"")
        with patch("urllib.request.urlopen", return_value=resp) as mock_open:
            self.client.create_comment(1, "hello")
        mock_open.assert_called_once()

    def test_update_issue(self):
        resp = _mock_response(b"")
        with patch("urllib.request.urlopen", return_value=resp) as mock_open:
            self.client.update_issue(1, "new body")
        mock_open.assert_called_once()

    def test_request_builds_correct_url(self):
        import urllib.request as ureq
        captured: list[ureq.Request] = []

        def fake_urlopen(req: ureq.Request, timeout: float) -> MagicMock:  # pylint: disable=unused-argument
            captured.append(req)
            return _mock_response(b"{}")

        with patch("urllib.request.urlopen", side_effect=fake_urlopen):
            self.client.get_issue(5)

        self.assertIn("/issues/5", captured[0].full_url)

    def test_request_sends_auth_header(self):
        import urllib.request as ureq
        captured: list[ureq.Request] = []

        def fake_urlopen(req: ureq.Request, timeout: float) -> MagicMock:  # pylint: disable=unused-argument
            captured.append(req)
            return _mock_response(b"{}")

        with patch("urllib.request.urlopen", side_effect=fake_urlopen):
            self.client.get_issue(1)

        self.assertEqual("token tok", captured[0].get_header("Authorization"))


class GiteaForgeTest(unittest.TestCase):
    def setUp(self):
        self.client = MagicMock(spec=GiteaClient)
        self.forge = GiteaForge(self.client)

    def test_is_org_member_delegates(self):
        self.client.is_org_member.return_value = True
        self.assertTrue(self.forge.is_org_member("org", "alice"))
        self.client.is_org_member.assert_called_once_with("org", "alice")

    def test_is_org_member_false(self):
        self.client.is_org_member.return_value = False
        self.assertFalse(self.forge.is_org_member("org", "outsider"))

    def test_read_issue_delegates(self):
        self.client.get_issue.return_value = {"number": 3}
        self.assertEqual({"number": 3}, self.forge.read_issue(3))
        self.client.get_issue.assert_called_once_with(3)

    def test_read_pr_delegates(self):
        self.client.get_pull.return_value = {"number": 5, "merged": False}
        result = self.forge.read_pr(5)
        self.assertEqual(5, result["number"])
        self.client.get_pull.assert_called_once_with(5)

    def test_read_comments_delegates(self):
        self.client.list_comments.return_value = [{"id": 1}]
        comments = self.forge.read_comments(1)
        self.assertEqual([{"id": 1}], comments)
        self.client.list_comments.assert_called_once_with(1)

    def test_post_comment_delegates(self):
        self.forge.post_comment(1, "looks good")
        self.client.create_comment.assert_called_once_with(1, "looks good")

    def test_update_description_delegates(self):
        self.forge.update_description(1, "updated body")
        self.client.update_issue.assert_called_once_with(1, "updated body")


if __name__ == "__main__":
    unittest.main()