import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from sqlalchemy import select
from slowapi import _rate_limit_exceeded_handler
from slowapi.errors import RateLimitExceeded

from app.config import settings
from app.database import init_db, AsyncSessionLocal
from app.limiter import limiter
from app.routers import auth, users, entries, public, admin

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s %(levelname)s %(name)s %(message)s",
)
logger = logging.getLogger("bourbonacci")


async def _seed_admin() -> None:
    from app.models.user import User
    from app.utils.security import hash_password

    async with AsyncSessionLocal() as db:
        result = await db.execute(select(User).where(User.email == settings.admin_username))
        user = result.scalar_one_or_none()
        if user is None:
            db.add(User(
                email=settings.admin_username,
                password_hash=hash_password(settings.admin_password),
                display_name="Admin",
                is_admin=True,
            ))
        elif not user.is_admin:
            user.is_admin = True
        await db.commit()


@asynccontextmanager
async def lifespan(app: FastAPI):
    await init_db()
    await _seed_admin()
    logger.info("Bourbonacci started")
    yield
    logger.info("Bourbonacci shutting down")


app = FastAPI(title="Bourbonacci", lifespan=lifespan)

app.state.limiter = limiter
app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)

app.add_middleware(
    CORSMiddleware,
    allow_origins=[o.strip() for o in settings.allowed_origins.split(",")],
    allow_methods=["*"],
    allow_headers=["*"],
)

app.include_router(auth.router)
app.include_router(users.router)
app.include_router(entries.router)
app.include_router(public.router)
app.include_router(admin.router)


@app.get("/health")
async def health():
    return {"status": "ok"}