from __future__ import annotations

import os
from pathlib import Path
from zoneinfo import ZoneInfo

SESSIONS_DIR = Path(os.environ.get("OPENCLAW_SESSIONS_DIR", "/root/.openclaw/agents/main/sessions"))
TIMEZONE = ZoneInfo(os.environ.get("OPENCLAW_EXPORTER_TZ", "Europe/Berlin"))
SESSIONS_INDEX_PATH = Path(os.environ.get("OPENCLAW_SESSIONS_INDEX", str(SESSIONS_DIR / "sessions.json")))
USAGE_COST_CACHE_PATH = Path(os.environ.get("OPENCLAW_USAGE_COST_CACHE", str(SESSIONS_DIR / ".usage-cost-cache.json")))
HISTORY_DAYS = max(1, int(os.environ.get("OPENCLAW_HISTORY_DAYS", "30")))
HISTORY_HOURS = max(1, int(os.environ.get("OPENCLAW_HISTORY_HOURS", "168")))