# SPDX-License-Identifier: GPL-3.0-or-later
"""Compatibility tests for the enodia.event.v1 envelope."""
import os
import unittest
from datetime import datetime

from enodia_sentinel import event, schemas


class TestEventEnvelope(unittest.TestCase):
    def test_schema_id_is_stable(self):
        self.assertEqual(schemas.EVENT_V1, "enodia.event.v1")

    def test_build_event_shape_and_types(self):
        env = event.build_event("alert", {"sid": 100010})
        self.assertEqual(env["schema"], schemas.EVENT_V1)
        self.assertEqual(env["event_type"], "alert")
        self.assertIsInstance(env["timestamp"], str)
        self.assertIsInstance(env["host"], str)
        # EVE-style: payload lives under a key named by event_type.
        self.assertEqual(env["alert"], {"sid": 100010})

    def test_timestamp_defaults_to_iso8601(self):
        env = event.build_event("status", {"running": True})
        # Parses as ISO-8601 without raising.
        datetime.fromisoformat(env["timestamp"])

    def test_host_defaults_to_nodename(self):
        env = event.build_event("status", {"running": True})
        self.assertEqual(env["host"], os.uname().nodename)

    def test_overrides_are_respected(self):
        env = event.build_event(
            "incident", {"id": "x"}, host="host-a", timestamp="2026-07-10T00:00:00-07:00")
        self.assertEqual(env["host"], "host-a")
        self.assertEqual(env["timestamp"], "2026-07-10T00:00:00-07:00")

    def test_unknown_event_type_rejected(self):
        with self.assertRaises(ValueError):
            event.build_event("nope", {})

    def test_event_types_is_closed_set(self):
        self.assertEqual(event.EVENT_TYPES, frozenset({"alert", "incident", "status"}))


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