import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.config import settings
from app.api import auth, users, classes, directory, timeline, schedule, upload, announcements, resources, notifications, votes, assignments, reading, fund

logging.basicConfig(
    level=logging.DEBUG if settings.debug else logging.INFO,
    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
)
logger = logging.getLogger(__name__)


async def ensure_super_admin():
    """Seed super admin on first run."""
    from sqlalchemy import select
    from app.db.database import async_session
    from app.db.models import User
    from app.core.auth import hash_password

    async with async_session() as db:
        result = await db.execute(select(User).where(User.role == "super_admin"))
        if result.scalar_one_or_none() is None:
            admin = User(
                email=settings.super_admin_email,
                password_hash=hash_password(settings.super_admin_password),
                name="Super Admin",
                role="super_admin",
                status="approved",
            )
            db.add(admin)
            await db.commit()
            logger.info("Super admin seeded: %s", settings.super_admin_email)


@asynccontextmanager
async def lifespan(app: FastAPI):
    await ensure_super_admin()
    yield


app = FastAPI(
    title="HKU ICB",
    description="HKU ICB Graduate Class Resource Platform",
    version="1.0.0",
    lifespan=lifespan,
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=[settings.frontend_url, "http://localhost:3001", "http://192.168.31.172:3001"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.include_router(auth.router)
app.include_router(users.router)
app.include_router(classes.router)
app.include_router(directory.router)
app.include_router(timeline.router)
app.include_router(schedule.router)
app.include_router(upload.router)
app.include_router(announcements.router)
app.include_router(resources.router)
app.include_router(notifications.router)
app.include_router(votes.router)
app.include_router(assignments.router)
app.include_router(reading.router)
app.include_router(fund.router)


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