bingex

defmodule Bingex.User.Model.ReferralInfo do
  @moduledoc """
  Represents referral information for a user in BingX.
  """

  import Bingex.{Helpers, Convertors}

  defstruct [
    :balance,
    :benefit_expiration,
    :benefit_ratio,
    :fee_ratio,
    :benefit,
    :deposit?,
    :direct_referral?,
    :invite_code,
    :invite_result,
    :inviter_uid,
    :verified_kyc?,
    :own_invite_code,
    :registration_date,
    :has_trades?,
    :uid,
    :user_level
  ]

  @type t() :: %__MODULE__{
          balance: nil | float(),
          benefit: nil | :cashback | :discount,
          benefit_expiration: nil | integer(),
          benefit_ratio: nil | integer(),
          fee_ratio: nil | integer(),
          deposit?: nil | boolean(),
          direct_referral?: nil | boolean(),
          invite_code: nil | binary(),
          invite_result: nil | boolean(),
          inviter_uid: nil | binary(),
          verified_kyc?: nil | boolean(),
          own_invite_code: nil | binary(),
          registration_date: nil | integer(),
          has_trades?: nil | boolean(),
          uid: nil | binary(),
          user_level: nil | binary()
        }

  @spec decode(map()) :: {:ok, t()} | :error
  def decode(%{} = data) do
    {:ok,
     %__MODULE__{
       balance: get_and_transform(data, "balanceVolume", &to_float/1),
       benefit: get_and_transform(data, "currentBenefit", &to_integer/1) |> interp_benefit(),
       benefit_expiration: get_and_transform(data, "benefitExpiration", &to_integer/1),
       benefit_ratio: get_and_transform(data, "benefitRatio", &to_integer/1),
       fee_ratio: get_and_transform(data, "commissionRatio", &to_integer/1),
       deposit?: get_and_transform(data, "deposit", &to_boolean/1),
       direct_referral?: get_and_transform(data, "directInvitation", &to_boolean/1),
       invite_code: get_and_transform(data, "inviteCode", &to_non_empty_binary/1),
       invite_result: get_and_transform(data, "inviteResult", &to_boolean/1),
       inviter_uid: get_and_transform(data, "inviterSid", &to_non_empty_binary/1),
       verified_kyc?: get_and_transform(data, "kycResult", &to_boolean/1),
       own_invite_code: get_and_transform(data, "ownInviteCode", &to_non_empty_binary/1),
       registration_date: get_and_transform(data, "registerDateTime", &to_integer/1),
       has_trades?: get_and_transform(data, "trade", &to_boolean/1),
       uid: get_and_transform(data, "uid", &to_non_empty_binary/1),
       user_level: get_and_transform(data, "userLevel", &to_non_empty_binary/1)
     }}
  end

  def decode(_data), do: :error

  defp interp_benefit(1), do: :cashback
  defp interp_benefit(2), do: :discount
  defp interp_benefit(_), do: nil
end