#  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 typing import List

from pretor.core.database.table.provider import Provider
from sqlmodel import select
from pretor.core.database.database_exception import database_exception

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

    @database_exception
    async def get_provider(self) -> List[Provider]:
        async with self.async_session_maker() as session:
            statement = select(Provider)
            results = await session.execute(statement)
            results = results.scalars().all()
            providers = [Provider(provider_title=provider.provider_title,
                                  provider_url=provider.provider_url,
                                  provider_apikey=provider.provider_apikey,
                                  provider_models=provider.provider_models,
                                  provider_type=provider.provider_type) for provider in results]
            return providers

    @database_exception
    async def add_provider(self, **kwargs) -> None:
        async with self.async_session_maker() as session:
            provider = Provider(**kwargs)
            session.add(provider)
            await session.commit()

    @database_exception
    async def delete_provider(self, provider_id: str) -> None:
        async with self.async_session_maker() as session:
            provider = await session.get(Provider, provider_id)
            if provider is not None:
                session.delete(provider)
                await session.commit()

    @database_exception
    async def update_provider(self, provider_id: str, **kwargs) -> Provider:
        async with self.async_session_maker() as session:
            provider = await session.get(Provider, provider_id)
            if provider is not None:
                for key, value in kwargs.items():
                    setattr(provider, key, value)
                session.add(provider)
                await session.commit()
                await session.refresh(provider)
                return provider
            return None