import uuid

from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from domains.notifications.models import Notification

async def create_notification(db: AsyncSession, notification: Notification):
    db.add(notification)
    await db.commit()
    await db.refresh(notification)
    return notification

async def get_notification_by_id(db: AsyncSession, notification_id: uuid.UUID):
    result = await db.execute(
        select(Notification).where(Notification.id == notification_id)
    )
    return result.scalar_one_or_none()

async def get_user_notifications(db: AsyncSession, user_id: uuid.UUID):
    result = await db.execute(
        select(Notification)
        .where(Notification.receiver_id == user_id)
        .order_by(Notification.created_at.desc())
    )
    return result.scalars().all()

async def get_all_notifications(db: AsyncSession):
    result = await db.execute(
        select(Notification)
        .order_by(Notification.created_at.desc())
    )
    return result.scalars().all()

async def update_notification(db: AsyncSession, notification: Notification):
    await db.commit()
    await db.refresh(notification)
    return notification