from __future__ import annotations

import logging
from typing import Any

from app.config import get_settings
from app.core.service import CoreAgentService

settings = get_settings()
core_service = CoreAgentService(settings=settings, logger=logging.getLogger("personal-agent.mcp"))


def check_availability(
    start: str, end: str, calendar_ids: list[str] | None = None
) -> dict[str, Any]:
    """Return free/busy availability for a time range on one or more calendars."""
    result = core_service.check_availability(start=start, end=end, calendar_ids=calendar_ids)
    return {
        "start": result.start,
        "end": result.end,
        "available": result.available,
        "busy_slots": [
            {
                "calendar_id": slot.calendar_id,
                "start": slot.start,
                "end": slot.end,
            }
            for slot in result.busy_slots
        ],
        "checked_calendars": result.checked_calendars,
    }