"""Payment helpers — ZPay/XorPay from NomadCNA + DEV_AUTO_PAY toggle."""

from __future__ import annotations

import os
from urllib.parse import urlencode

from app.services.payment_providers import XorPayProvider, ZPayProvider, provider_for

DEV_AUTO_PAY = os.getenv("DEV_AUTO_PAY", "false").lower() in ("1", "true", "yes")
PAYMENT_JOIN_AMOUNT = int(os.getenv("PAYMENT_JOIN_AMOUNT", "10000"))  # fen (100 yuan)
PAYMENT_DEFAULT_AMOUNT = int(os.getenv("PAYMENT_DEFAULT_AMOUNT", "10000"))
SITE_BASE = os.getenv("SITE_BASE_URL", "https://nomadweb.nomadro.com").rstrip("/")
PAY_NOTIFY_URL = os.getenv("PAY_NOTIFY_URL", f"{SITE_BASE}/api/v1/pay/zpay_notify")


def amount_yuan(amount_fen: int) -> str:
  return f"{amount_fen / 100:.2f}"


def notify_url_for(provider_name: str) -> str:
  if provider_name == "xorpay":
    return os.getenv("XORPAY_NOTIFY_URL", f"{SITE_BASE}/api/v1/pay/xorpay_notify")
  return os.getenv("ZPAY_NOTIFY_URL", PAY_NOTIFY_URL)


async def create_pay_redirect(
  order_id: str,
  amount: int,
  return_url: str,
  provider: str = "",
  *,
  channel: str = "alipay",
  device: str = "pc",
  user_agent: str = "",
  client_ip: str = "",
) -> str:
  if DEV_AUTO_PAY:
    sep = "&" if "?" in return_url else "?"
    return f"{return_url}{sep}order_id={order_id}&status=paid"

  pay_provider = provider_for(device, provider or os.getenv("PAYMENT_PROVIDER", "zpay"), user_agent)
  yuan = amount_yuan(amount)
  name = "nomadro会员"
  notify = notify_url_for(pay_provider.name)

  if isinstance(pay_provider, XorPayProvider):
    created = pay_provider.create_order(
      order_id=order_id, name=name, amount_yuan=yuan, notify_url=notify,
    )
    return f"{created['pay_url']}?{urlencode(created['params'])}"

  api_result = await pay_provider.create_order_api(
    order_id=order_id,
    name=name,
    amount_yuan=yuan,
    channel=channel,
    notify_url=notify,
    return_url=return_url,
    client_ip=client_ip,
    device=device,
  )
  if api_result.get("status") == "ok":
    pay_url = api_result.get("payurl2") if device == "h5" and api_result.get("payurl2") else api_result.get("payurl")
    if pay_url:
      return str(pay_url)

  created = pay_provider.create_order(
    order_id=order_id,
    name=name,
    amount_yuan=yuan,
    channel=channel,
    notify_url=notify,
    return_url=return_url,
    client_ip=client_ip,
  )
  return f"{created['pay_url']}?{urlencode(created['params'])}"


async def query_order_paid(order_id: str) -> bool:
  zpay, xorpay = await ZPayProvider().query_order_status(order_id), await XorPayProvider().query_order_status(order_id)
  return bool(zpay.get("paid") or xorpay.get("paid"))


def verify_notify(provider: str, data: dict) -> bool:
  if DEV_AUTO_PAY:
    return True
  if provider == "xorpay":
    return XorPayProvider().verify_notify(data)
  return ZPayProvider().verify_notify(data)


def parse_notify_order_id(provider: str, data: dict) -> str:
  if provider == "xorpay":
    return str(data.get("order_id") or "")
  return str(data.get("out_trade_no") or data.get("order_id") or "")