from fastapi import FastAPI, Depends, HTTPException, status
from fastapi.responses import JSONResponse
import uvicorn
from dotenv import load_dotenv

# --- Load .env file BEFORE importing other modules ---
load_dotenv() 

# Import routers from other files
from .auth import AuthRouter
from .skus import SkuRouter 
from .barcodes import BarcodeRouter 

# Import the database connection
from .db import db

from fastapi.middleware.cors import CORSMiddleware

# --- App Initialization ---
app = FastAPI(
    title="HF Masala Barcode System API",
    description="Internal API for managing SKUs and EAN-13 barcodes.",
    version="1.0.0"
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"], 
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# --- Include Routers ---
app.include_router(AuthRouter)
app.include_router(SkuRouter) 
app.include_router(BarcodeRouter)

# --- Test Endpoint ---
@app.get("/api/health")
async def get_health():
    """
    A simple health check endpoint to confirm the API is running.
    """
    return JSONResponse(
        status_code=status.HTTP_200_OK,
        content={"status": "ok", "message": "HF Masala API is running!"}
    )

# --- Main Entry Point (for running with 'python -m app.main') ---
if __name__ == "__main__":
    print("Starting HF Masala API server...")