from argparse import Namespace
import io
from pathlib import Path
from tempfile import TemporaryDirectory
import unittest
from unittest.mock import patch

from car_tracker.collect import collect_browser


class BrowserCleanupTests(unittest.TestCase):
    def setUp(self):
        temporary = TemporaryDirectory()
        self.addCleanup(temporary.cleanup)
        self.path = Path(temporary.name) / "manifest.json"
        self.path.write_text('{"status":"complete"}')
        self.args = Namespace(headed=False, searches=[], output=self.path.parent,
                              max_pages=1, delay=1, search_only=True, max_details=None)
        self.playwright = self.enterContext(patch("playwright.sync_api.sync_playwright"))
        self.browser = self.playwright.return_value.__enter__.return_value.chromium.launch.return_value
        self.collect = self.enterContext(patch("car_tracker.collect.collect", return_value=(self.path, "complete")))
        self.stderr = self.enterContext(patch("sys.stderr", new_callable=io.StringIO))

    def test_browser_close_failure_retains_finalized_result(self):
        self.browser.close.side_effect = RuntimeError("SYNTHETIC_SECRET")
        self.assertEqual(collect_browser(self.args), (self.path, "complete"))
        self.assertTrue((self.path.parent / "browser_cleanup.json").exists())
        self.assertNotIn("SYNTHETIC_SECRET", self.stderr.getvalue())

    def test_driver_cleanup_failure_retains_finalized_result(self):
        self.playwright.return_value.__exit__.side_effect = RuntimeError("cleanup failed")
        self.assertEqual(collect_browser(self.args), (self.path, "complete"))

    def test_collection_failure_is_not_suppressed(self):
        self.collect.side_effect = OSError("write failed")
        with self.assertRaises(OSError):
            collect_browser(self.args)

    def test_cleanup_interruption_remains_cancellation_with_manifest_path(self):
        self.browser.close.side_effect = KeyboardInterrupt
        with self.assertRaises(KeyboardInterrupt):
            collect_browser(self.args)
        self.assertIn(str(self.path), self.stderr.getvalue())