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*,',
        )


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

    def test_invalid_time_is_json_400(self) -> None:
        response = self.client.get(
            "/api/v1/bases/guanghan/snapshot?at=not-a-time"
        )
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.get_json()["error"], "invalid_time")

    def test_time_and_mission_preserve_context(self) -> None:
        response = self.client.get(
            "/api/v1/bases/guanghan/snapshot"
            "?mission=GHC-01&at=2025-01-02T08:00:00%2B08:00"
        )
        self.assertEqual(response.status_code, 200)
        query = response.get_json()["query"]
        self.assertEqual(query["requestedMission"], "GHC-01")
        self.assertEqual(query["anchorSource"], "explicit_time")

    def test_mission_list_is_database_backed(self) -> None:
        response = self.client.get("/api/v1/bases/guanghan/missions")
        self.assertEqual(response.status_code, 200)
        missions = response.get_json()["missions"]
        self.assertIn("GHC-05", [mission["code"] for mission in missions])
        for mission in missions:
            self.assertIn("title", mission)
            self.assertIn("occurrenceStatus", mission)
            self.assertIn("lastEventAt", mission)


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