bingex

defmodule Bingex.Swap.Model.QuoteInfo do
  @moduledoc """
  Represents real-time quote information for a swap contract.
  """

  import Bingex.{Helpers, Convertors}

  defstruct [
    :symbol,
    :funding_rate,
    :next_funding_time,
    :mark_price,
    :last_price
  ]

  @type t() :: %__MODULE__{
          symbol: nil | binary(),
          funding_rate: nil | float(),
          next_funding_time: nil | non_neg_integer(),
          mark_price: nil | float(),
          last_price: nil | float()
        }

  @spec decode(any()) :: {:ok, t()} | :error
  def decode(%{} = data) do
    {:ok,
     %__MODULE__{
       symbol: get_and_transform(data, "symbol", &to_non_empty_binary/1),
       funding_rate: get_and_transform(data, "lastFundingRate", &to_float/1),
       next_funding_time: get_and_transform(data, "nextFundingTime", &to_non_neg_integer/1),
       mark_price: get_and_transform(data, "markPrice", &to_float/1),
       last_price: get_and_transform(data, "indexPrice", &to_float/1)
     }}
  end

  def decode(_data), do: :error
end