"""Tests für src/health_run.py - Zustandsübergänge des manuellen Health-Runs."""
from health_run import new_state, try_start, mark_finished, mark_failed


def test_initial_state_is_idle():
    s = new_state()
    assert s["running"] is False
    assert s["started_at"] is None
    assert s["finished_at"] is None
    assert s["result"] is None
    assert s["error"] is None


def test_try_start_sets_running_and_resets():
    s = new_state()
    s["result"] = {"checked": 1}
    s["error"] = "alt"
    assert try_start(s, now="2026-07-25T12:00:00") is True
    assert s["running"] is True
    assert s["started_at"] == "2026-07-25T12:00:00"
    assert s["finished_at"] is None
    assert s["result"] is None
    assert s["error"] is None


def test_double_start_blocked():
    s = new_state()
    assert try_start(s) is True
    assert try_start(s) is False


def test_mark_finished_allows_restart():
    s = new_state()
    try_start(s, now="2026-07-25T12:00:00")
    mark_finished(s, {"checked": 430, "issues": 110, "suggestions": 3}, now="2026-07-25T12:05:00")
    assert s["running"] is False
    assert s["finished_at"] == "2026-07-25T12:05:00"
    assert s["result"]["checked"] == 430
    assert s["error"] is None
    assert try_start(s) is True


def test_mark_failed_sets_error():
    s = new_state()
    try_start(s)
    mark_failed(s, "Verbindung weg", now="2026-07-25T12:01:00")
    assert s["running"] is False
    assert s["error"] == "Verbindung weg"
    assert s["result"] is None
    assert try_start(s) is True