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

from app.database import get_db
from app.models.setting import Setting
from app.schemas.setting import SettingOut, SettingUpdate

router = APIRouter(tags=["settings"])


@router.get("/api/settings/{key}", response_model=SettingOut)
async def get_setting(key: str, db: AsyncSession = Depends(get_db)):
    result = await db.execute(select(Setting).where(Setting.key == key))
    setting = result.scalar_one_or_none()
    if setting is None:
        return SettingOut(key=key, value=None)
    return setting


@router.put("/api/settings/{key}", response_model=SettingOut)
async def update_setting(
    key: str, data: SettingUpdate, db: AsyncSession = Depends(get_db)
):
    result = await db.execute(select(Setting).where(Setting.key == key))
    setting = result.scalar_one_or_none()
    if setting is None:
        setting = Setting(key=key, value=data.value)
        db.add(setting)
    else:
        setting.value = data.value
    await db.commit()
    await db.refresh(setting)
    return setting