"""Integration: state written before an abrupt process death must be intact
and the in-flight intent visible on the next boot (architecture L8)."""

import subprocess
import sys
from pathlib import Path

import pytest

from nisse_dev.reconcile import reconcile_on_boot
from nisse_dev.state import StateStore

pytestmark = pytest.mark.integration

CRASH_SCRIPT = """
import os
import sys
from nisse_dev.canonical import UserMessage
from nisse_dev.state import StateStore

store = StateStore(sys.argv[1])
store.open_work_item("demo-1", title="t", scope="demo", position="RUNNING", data={"milestone": 2}, cause="test")
store.set_active("demo-1", cause="test")
store.begin_intent("push_branch", {"branch": "milestone-2"}, cause="test")
store.transcript("t", "operator").append(UserMessage(text="start milestone 2", source="m:1"))
os._exit(1)  # die without closing anything, as a power cut would
"""


def test_state_survives_process_death(tmp_path: Path) -> None:
    db = tmp_path / "state.db"
    result = subprocess.run(
        [sys.executable, "-c", CRASH_SCRIPT, str(db)],
        capture_output=True,
        text=True,
        timeout=30,
        check=False,
    )
    assert result.returncode == 1, result.stderr

    with StateStore(db) as store:
        item = store.active_item()
        assert item is not None
        assert item.position == "RUNNING"
        assert item.data == {"milestone": 2}

        report = reconcile_on_boot(store, {"push_branch": lambda intent: None})
        assert report.action == "await_input"
        [pending] = store.pending_intents()
        assert pending.payload == {"branch": "milestone-2"}

        [stored] = store.all_events()
        assert stored.event.text == "start milestone 2"