from contextlib import asynccontextmanager

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

from app.api.v1.api import api_router
from app.config import settings
from app.core.ai_config import configure_dspy
from app.db import init_db
from app.models import push_subscription  # noqa: F401 — ensures table is created
from app.scheduler import start_scheduler, stop_scheduler


@asynccontextmanager
async def lifespan(app: FastAPI):
    init_db()
    configure_dspy()
    start_scheduler()
    yield
    stop_scheduler()


app = FastAPI(title="Healthy Fit API", lifespan=lifespan)

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

app.include_router(api_router, prefix="/api/v1")


@app.get("/")
def read_root():
    return {"message": "Welcome to Healthy Fit API", "version": "1.0.0"}