from __future__ import annotations

from collections.abc import Generator
from unittest.mock import AsyncMock, patch

import pytest
from fastapi.testclient import TestClient

from pygitweb.config import settings
from pygitweb.main import app
from pygitweb.plugin_loader import PLUGIN_ACTIONS, apply_plugin_reload
from pygitweb.plugin_loader_test import _fake_entry_points


@pytest.fixture
def client() -> Generator[TestClient, None, None]:
	with TestClient(app) as c:
		yield c


def test_plugins_page_lists_available(client: TestClient) -> None:
	with (
		patch.object(settings, "AUTH", False),
		patch("pygitweb.settings.list_available_plugins", return_value=["pygitweb_demo"]),
		patch.object(settings, "ENABLED_PLUGINS", []),
	):
		r = client.get("/settings/pygitweb")
	assert r.status_code == 200
	assert b'name="plugin" value="pygitweb_demo"' in r.content
	assert b'id="plugin_pygitweb_demo"' in r.content
	assert b"checked" not in r.content.split(b'id="plugin_pygitweb_demo"')[1].split(b">")[0]


def test_plugins_submit_enables_and_reloads(client: TestClient) -> None:
	notify = AsyncMock(return_value=0)
	previous = list(settings.ENABLED_PLUGINS)
	try:
		settings.ENABLED_PLUGINS = []
		with (
			patch.object(settings, "AUTH", False),
			patch("pygitweb.plugin_loader._entry_points", side_effect=_fake_entry_points),
			patch("pygitweb.settings.list_available_plugins", return_value=["pygitweb_demo", "pygitweb_other"]),
			patch("pygitweb.settings.CHANGE_QUEUE.notify_all", notify),
		):
			apply_plugin_reload()
			assert PLUGIN_ACTIONS == {}
			r = client.post(
				"/settings/pygitweb/plugins",
				data={"plugin": "pygitweb_demo"},
				follow_redirects=False,
			)
			assert r.status_code == 303
			assert settings.ENABLED_PLUGINS == ["pygitweb_demo"]
			assert set(PLUGIN_ACTIONS) == {"demo_action"}
			notify.assert_awaited_once()
	finally:
		settings.ENABLED_PLUGINS = previous
		apply_plugin_reload()