export type InitOptions = {
  appId: string,
  // Host's registered scheme; iOS converts it to <scheme>://dypay for the SDK.
  callbackScheme: string,
  universalLink?: string | null
}

// All fields must come from the authenticated server prepay response.
export type PayInfo = {
  appid: string,
  partnerid: string,
  prepayid: string,
  package: string,
  noncestr: string,
  timestamp: string,
  sign: string
}

export type PayOptions = {
  payInfo: PayInfo,
  showLoading?: boolean | null
}

// Code 0 is only an SDK hint, never proof that the order was paid.
export type PayResult = {
  resultCode: string,
  errorMsg: string,
  needsQuery: boolean
}
export type PayCallback = (result: PayResult) => void