#  Copyright 2026 zhaoxi826
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

from pretor.core.database.table.individual import WorkerIndividual
from sqlmodel import select
from typing import List, Optional
from pretor.core.database.database_exception import database_exception

from ulid import ULID

class IndividualDatabase:
    def __init__(self, async_session_maker):
        self.async_session_maker = async_session_maker

    @database_exception
    async def add_worker_individual(self, **kwargs) -> WorkerIndividual:
        async with self.async_session_maker() as session:
            agent_id = str(ULID())
            individual = WorkerIndividual(agent_id=agent_id, **kwargs)
            session.add(individual)
            await session.commit()
            await session.refresh(individual)
            return individual

    @database_exception
    async def get_worker_individual(self, agent_id: str) -> Optional[WorkerIndividual]:
        async with self.async_session_maker() as session:
            statement = select(WorkerIndividual).where(WorkerIndividual.agent_id == agent_id)
            results = await session.execute(statement)
            return results.scalar_one_or_none()

    @database_exception
    async def get_worker_individual_list(self, owner_id: str) -> List[WorkerIndividual]:
        async with self.async_session_maker() as session:
            statement = select(WorkerIndividual).where(WorkerIndividual.owner_id == owner_id)
            results = await session.execute(statement)
            return list(results.scalars().all())

    @database_exception
    async def update_worker_individual(self, agent_id: str, **kwargs) -> Optional[WorkerIndividual]:
        async with self.async_session_maker() as session:
            statement = select(WorkerIndividual).where(WorkerIndividual.agent_id == agent_id)
            results = await session.execute(statement)
            individual = results.scalar_one_or_none()
            if not individual:
                return None
            for key, value in kwargs.items():
                if value is not None:
                    setattr(individual, key, value)
            session.add(individual)
            await session.commit()
            await session.refresh(individual)
            return individual

    @database_exception
    async def delete_worker_individual(self, agent_id: str) -> bool:
        async with self.async_session_maker() as session:
            statement = select(WorkerIndividual).where(WorkerIndividual.agent_id == agent_id)
            results = await session.execute(statement)
            individual = results.scalar_one_or_none()
            if not individual:
                return False
            session.delete(individual)
            await session.commit()
            return True

    @database_exception
    async def get_all_worker_individual(self) -> List[WorkerIndividual]:
        async with self.async_session_maker() as session:
            statement = select(WorkerIndividual)
            results = await session.execute(statement)
            return list(results.scalars().all())