app.py

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
import os
import requests

app = FastAPI()

# Environment secrets
CHARGILY_API_KEY = os.getenv("CHARGILY_API_KEY")
SUPABASE_URL = os.getenv("SUPABASE_URL")
SUPABASE_SERVICE_ROLE_KEY = os.getenv("SUPABASE_SERVICE_ROLE_KEY")

class PaymentRequest(BaseModel):
    user_id: str
    amount: int
    currency: str = "DZD"
    plan: str = "paid"

@app.post("/create-payment")
def create_payment(req: PaymentRequest):
    try:
        payload = {
            "amount": req.amount,
            "currency": req.currency,
            "description": f"User {req.user_id} purchase",
            "metadata": {"user_id": req.user_id, "plan": req.plan},
            "return_url": "https://aisool.com/payment-success"
        }
        headers = {
            "Authorization": f"Bearer {CHARGILY_API_KEY}",
            "Content-Type": "application/json"
        }
        r = requests.post("https://api.chargily.com/v1/payment-links", json=payload, headers=headers)
        if not r.ok:
            raise HTTPException(status_code=500, detail=r.text)

        # Return only the payment_url
        payment_link = r.json().get("payment_url")
        return {"payment_url": payment_link}
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))