"""TieMeasureFlow Server - FastAPI Entry Point."""
from contextlib import asynccontextmanager
from collections.abc import AsyncGenerator

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

from config import settings
from database import init_db


@asynccontextmanager
async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]:
    """Application lifespan: startup and shutdown events."""
    # Startup
    # Ensure upload directories exist
    for subdir in ["images", "pdfs", "logos", "reports"]:
        (settings.upload_path / subdir).mkdir(parents=True, exist_ok=True)

    yield

    # Shutdown (cleanup if needed)


app = FastAPI(
    title="TieMeasureFlow API",
    description="API per gestione task misurazioni con calibro manuale",
    version="0.1.0",
    lifespan=lifespan,
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.get("/api/health")
async def health_check() -> dict:
    """Health check endpoint."""
    return {"status": "ok", "service": "TieMeasureFlow API", "version": "0.1.0"}