"""Constants for the weekend wake alarm system."""

from __future__ import annotations

from pathlib import Path

# Days the wake alarm is active (Python weekday(): Mon=0 ... Sun=6)
# Monday, Friday, Saturday, Sunday
ALARM_DAYS: frozenset[int] = frozenset({0, 4, 5, 6})

# How many hours after shutdown the PC should wake
WAKE_AFTER_HOURS: int = 8

# Minutes after alarm starts within which you must dismiss to earn skip
DISMISS_WINDOW_MINUTES: int = 30

# Hour at which the second (fallback) alarm fires if the first was missed
FALLBACK_ALARM_HOUR: int = 13

# Alarm escalation phase boundaries (minutes from alarm start)
PHASE_SOFT_END: int = 5
PHASE_MEDIUM_END: int = 15
# After PHASE_MEDIUM_END: continuous sine tone until dismiss window closes

# Beep intervals per phase (seconds)
SOFT_BEEP_INTERVAL: float = 10.0
MEDIUM_BEEP_INTERVAL: float = 5.0
LOUD_TOGGLE_INTERVAL: float = 2.0

# Dismiss challenge: length of the random code
DISMISS_CODE_LENGTH: int = 6
# How often the dismiss code refreshes (seconds)
DISMISS_CODE_REFRESH_SECONDS: int = 30

# State file for wake alarm (HMAC-signed)
WAKE_STATE_FILE: Path = Path(__file__).resolve().parent / "wake_state.json"

# rtcwake binary path
RTCWAKE_BIN: str = "/usr/sbin/rtcwake"