"""Availability routes for admin to manage booking availability."""

from datetime import date

from fastapi import APIRouter, Depends, Query
from sqlalchemy.ext.asyncio import AsyncSession

from auth import require_permission
from database import get_db
from models import Permission, User
from schemas import (
    AvailabilityDay,
    AvailabilityResponse,
    CopyAvailabilityRequest,
    SetAvailabilityRequest,
)
from services.availability import AvailabilityService

router = APIRouter(prefix="/api/admin/availability", tags=["availability"])


@router.get("", response_model=AvailabilityResponse)
async def get_availability(
    from_date: date = Query(..., alias="from", description="Start date (inclusive)"),
    to_date: date = Query(..., alias="to", description="End date (inclusive)"),
    db: AsyncSession = Depends(get_db),
    _current_user: User = Depends(require_permission(Permission.MANAGE_AVAILABILITY)),
) -> AvailabilityResponse:
    """Get availability slots for a date range."""
    service = AvailabilityService(db)
    return await service.get_availability_for_range(from_date, to_date)


@router.put("", response_model=AvailabilityDay)
async def set_availability(
    request: SetAvailabilityRequest,
    db: AsyncSession = Depends(get_db),
    _current_user: User = Depends(require_permission(Permission.MANAGE_AVAILABILITY)),
) -> AvailabilityDay:
    """Set availability for a specific date. Replaces any existing availability."""
    service = AvailabilityService(db)
    return await service.set_availability_for_date(request.date, request.slots)


@router.post("/copy", response_model=AvailabilityResponse)
async def copy_availability(
    request: CopyAvailabilityRequest,
    db: AsyncSession = Depends(get_db),
    _current_user: User = Depends(require_permission(Permission.MANAGE_AVAILABILITY)),
) -> AvailabilityResponse:
    """Copy availability from one day to multiple target days."""
    service = AvailabilityService(db)
    return await service.copy_availability(request.source_date, request.target_dates)