from __future__ import annotations

import unittest
from pathlib import Path

from topology_api.app import create_app


ROOT = Path(__file__).resolve().parents[1]
HTML_PATH = ROOT / "data" / "wiki" / "guanghan_topology_demo.html"
CONFIG_PATH = ROOT / "topology_api" / "config.py"


class TopologyApiServingTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        app = create_app()
        app.config.update(TESTING=True)
        cls.client = app.test_client()

    def test_app_serves_demo_page_and_health(self) -> None:
        health = self.client.get("/health")
        self.assertEqual(health.status_code, 200)
        self.assertEqual(health.get_json(), {"status": "ok"})

        page = self.client.get("/guanghan_topology_demo.html")
        self.assertEqual(page.status_code, 200)
        self.assertIn("广寒基地拓扑结构", page.get_data(as_text=True))
        page.close()

    def test_page_uses_same_origin_api(self) -> None:
        html = HTML_PATH.read_text(encoding="utf-8")
        self.assertNotIn("http://localhost:5000", html)
        self.assertIn("const API_BASE = ''", html)

    def test_config_has_no_default_password(self) -> None:
        source = CONFIG_PATH.read_text(encoding="utf-8")
        self.assertNotRegex(
            source,
            r'os\.environ\.get\(\s*["\']PGPASSWORD["\']\s*,',
        )


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