import pytest

from govcrawler import scheduler


def test_spread_cron_default_lands_in_window():
    cron = scheduler.spread_cron("gdqy", "szfwj", scheduler.DEFAULT_SCHEDULE)
    minute, hour, *_ = cron.split()
    assert scheduler.WINDOW_START_HOUR <= int(hour) < scheduler.WINDOW_END_HOUR
    assert 0 <= int(minute) < 60


def test_spread_cron_custom_passthrough():
    custom = "15 9 * * MON-FRI"
    assert scheduler.spread_cron("x", "y", custom) == custom


def test_spread_cron_is_deterministic():
    a = scheduler.spread_cron("gdqy", "szfwj", scheduler.DEFAULT_SCHEDULE)
    b = scheduler.spread_cron("gdqy", "szfwj", scheduler.DEFAULT_SCHEDULE)
    assert a == b


def test_spread_cron_differs_across_columns():
    # At least some pair of (site, column) keys should land in different minutes
    crons = {
        scheduler.spread_cron("site_a", "col_a", scheduler.DEFAULT_SCHEDULE),
        scheduler.spread_cron("site_b", "col_b", scheduler.DEFAULT_SCHEDULE),
        scheduler.spread_cron("site_c", "col_c", scheduler.DEFAULT_SCHEDULE),
        scheduler.spread_cron("site_d", "col_d", scheduler.DEFAULT_SCHEDULE),
    }
    assert len(crons) >= 2   # not all collapsing to one cell


def test_build_scheduler_registers_one_job_per_column(monkeypatch):
    from govcrawler.config import registry
    registry.reload()

    calls: list[tuple[str, str]] = []
    sched = scheduler.build_scheduler(lambda s, c: calls.append((s, c)))
    jobs = sched.get_jobs()
    # gdqy has 1 enabled column (szfwj)
    assert any(j.id == "gdqy.szfwj" for j in jobs)
    # Job hasn't fired — calls empty
    assert calls == []
    # BlockingScheduler isn't started here, so no shutdown needed