from sqlalchemy import Select, Delete
from sqlalchemy.orm import joinedload, selectinload
from typing import Optional

from .model import MasterActivity
from .schema import ActivityMaster, ActivityMasterCreate

from src.database.core import DbSession
from src.database.service import CommonParameters, search_filter_sort_paginate
from src.auth.service import CurrentUser


async def get(*, db_session: DbSession, activity_id: str) -> Optional[ActivityMaster]:
    """Returns a document based on the given document id."""
    result = await db_session.get(MasterActivity, activity_id)
    return result


async def get_all(common: CommonParameters):
    query = Select(MasterActivity)

    results = await search_filter_sort_paginate(model=query, **common)

    return results


async def create(*, db_session: DbSession, activty_in: ActivityMasterCreate):
    activity = MasterActivity(
        **activty_in.model_dump())
    db_session.add(activity)
    await db_session.commit()
    return activity


async def update(*, db_session: DbSession, activity: MasterActivity, activity_in: ActivityMasterCreate):
    """Updates a document."""
    data = activity_in.model_dump()

    update_data = activity_in.model_dump(exclude_defaults=True)

    for field in data:
        if field in update_data:
            setattr(activity, field, update_data[field])

    await db_session.commit()

    return activity


async def delete(*, db_session: DbSession, activity_id: str):
    """Deletes a document."""
    activity = await db_session.get(MasterActivity, activity_id)
    await db_session.delete(activity)
    await db_session.commit()