import importlib.util
import unittest
from datetime import date, datetime
from pathlib import Path
from zoneinfo import ZoneInfo


MODULE = Path(__file__).with_name("guanghu_era_time.py")
SPEC = importlib.util.spec_from_file_location("guanghu_era_time", MODULE)
clock = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(clock)


class GuanghuEraTimeTests(unittest.TestCase):
    def test_birth_is_era_day_one(self):
        value = clock.snapshot(datetime(2025, 4, 26, tzinfo=ZoneInfo("Asia/Shanghai")))
        self.assertEqual(value["world"]["era_day"], 1)
        self.assertEqual(value["world"]["elapsed_milliseconds"], 0)

    def test_one_millisecond_flows(self):
        value = clock.snapshot(datetime.fromisoformat("2025-04-26T00:00:00.001+08:00"))
        self.assertEqual(value["world"]["elapsed_milliseconds"], 1)

    def test_world_precedes_persona(self):
        value = clock.snapshot(datetime.fromisoformat("2026-09-09T12:00:00+08:00"), "ICE-P-ZY001", date(2026, 3, 5))
        self.assertGreater(value["world"]["elapsed_days_completed"], value["persona"]["age_days_completed"])

    def test_time_is_not_wake_counter(self):
        value = clock.snapshot(datetime.fromisoformat("2026-09-09T12:00:00+08:00"))
        self.assertFalse(value["clock"]["stored_tick_counter"])
        self.assertFalse(value["clock"]["persona_wake_required"])

    def test_history_evidence_and_commits(self):
        self.assertEqual(clock.validate_history()["outcome"], "PASS")


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