from __future__ import annotations

import os
import logging
from logging.handlers import RotatingFileHandler
from flask import Flask, request, jsonify
from flask_cors import CORS
from flask import Response

try:
    from dotenv import load_dotenv
    load_dotenv()
except Exception:
    pass

from helpers.netopia import verify_ipn, get_status

app = Flask(__name__)
CORS(app, resources={r"/api/*": {"origins": "*"}})

# ---------- Logging ----------
app.logger.setLevel(logging.INFO)
_log_dir = os.getenv("LOG_DIR", "logs")
os.makedirs(_log_dir, exist_ok=True)
_handler = RotatingFileHandler(os.path.join(_log_dir, "netopia_api.log"), maxBytes=1_000_000, backupCount=3)
_handler.setLevel(logging.INFO)
_handler.setFormatter(logging.Formatter("%(asctime)s [%(levelname)s] %(message)s"))
app.logger.addHandler(_handler)


@app.get("/healthz")
def healthz():
    return {"ok": True}, 200

@app.post("/api/payments/ipn")
def ipn():
    try:
        # Pass the whole request object, not just request.data
        data = verify_ipn(request) 
        app.logger.info("IPN OK: %s", data)
        return jsonify({"errorCode": 0}), 200
    except Exception as e:
        app.logger.exception("IPN verification failed: %s", e)
        return jsonify({"errorCode": 0}), 200


@app.get("/api/payments/status")
def status():
    ntp_id = request.args.get("ntpID")
    order_id = request.args.get("orderID")
    try:
        resp = get_status(ntp_id=ntp_id, order_id=order_id)
        return jsonify({"ok": True, "data": resp}), 200
    except Exception as e:
        app.logger.exception("Status query failed: %s", e)
        return jsonify({"ok": False, "error": str(e)}), 400


if __name__ == "__main__":
    host = os.getenv("API_HOST", "0.0.0.0")
    port = int(os.getenv("API_PORT", "9000"))
    app.logger.info("Starting NETOPIA Flask sidecar on %s:%s", host, port)
    app.run(host=host, port=port)
