"""Dashboard publish cutoff — day D data visible from 17:00 WIB on day D."""

from __future__ import annotations

from datetime import date, datetime, time, timedelta

from django.conf import settings
from django.utils import timezone


def dashboard_publish_time() -> time:
    hour = int(getattr(settings, "DASHBOARD_PUBLISH_HOUR", 17))
    minute = int(getattr(settings, "DASHBOARD_PUBLISH_MINUTE", 0))
    return time(hour, minute)


def visible_through_date(now: datetime | None = None) -> date:
    """Latest calendar date (WIB) allowed on dashboard reads."""
    if now is None:
        now = timezone.localtime()
    elif timezone.is_naive(now):
        now = timezone.make_aware(now, timezone.get_current_timezone())
    else:
        now = timezone.localtime(now)

    today = now.date()
    if now.time() < dashboard_publish_time():
        return today - timedelta(days=1)
    return today