defmodule XtbClient.Messages do
  alias XtbClient.Messages.{
    BalanceInfo,
    CalendarInfos,
    Candles,
    CommissionDefinition,
    KeepAlive,
    MarginTrade,
    NewsInfos,
    Period,
    ProfitCalculation,
    ProfitInfo,
    Quotations,
    RateInfos,
    ServerTime,
    StepRules,
    SymbolInfo,
    SymbolInfos,
    TickPrices,
    TradeInfos,
    TradeStatus,
    TradeTransaction,
    TradeTransactionStatus,
    TradingHours,
    UserInfo,
    Version
  }

  def format_period(period) do
    Period.format(period)
  end

  def parse_period(value) do
    Period.parse(value)
  end

  @message_handlers [
    BalanceInfo,
    CalendarInfos,
    Candles,
    CommissionDefinition,
    KeepAlive,
    MarginTrade,
    NewsInfos,
    ProfitCalculation,
    ProfitInfo,
    Quotations,
    RateInfos,
    ServerTime,
    StepRules,
    SymbolInfo,
    SymbolInfos,
    TickPrices,
    TradeInfos,
    TradeStatus,
    TradeTransaction,
    TradeTransactionStatus,
    TradingHours,
    UserInfo,
    Version
  ]

  def decode_message(method, data) do
    result =
      @message_handlers
      |> Enum.map(& &1.match(method, data))
      |> Enum.find(fn x ->
        case x do
          {:ok, _} = res -> res
          {:no_match} -> false
        end
      end)

    case result do
      {:ok, mapped_result} -> mapped_result
      _ -> {:error, "No handler found for method `#{method}` with data `#{inspect(data)}`."}
    end
  end
end