require 'bigdecimal'

module Cryptoexchange::Exchanges
  module TrustDex
    module Services
      class Market < Cryptoexchange::Services::Market
        class << self
          def supports_individual_ticker_query?
            false
          end
        end

        def fetch
          output = super(ticker_url)
          adapt_all(output)
        end

        def ticker_url
          "#{Cryptoexchange::Exchanges::TrustDex::Market::API_URL}/return_ticket.php"
        end

        def adapt_all(output)
          tickers = []
          output.map do |pair|
            pair.each do |key, value|
              target, base = key.split("_")
              market_pair = Cryptoexchange::Models::MarketPair.new({
                              base: base,
                              target: target,
                              market: TrustDex::Market::NAME
                            })
              tickers << adapt(value, market_pair)
            end
          end

          tickers
        end

        def adapt(output, market_pair)
          ticker           = Cryptoexchange::Models::Ticker.new
          ticker.base      = market_pair.base
          ticker.target    = market_pair.target
          ticker.market    = TrustDex::Market::NAME
          ticker.last      = NumericHelper.to_d(output['last'])
          ticker.high      = NumericHelper.to_d(output['highestBid'])
          ticker.low       = NumericHelper.to_d(output['lowestAsk'])
          ticker.volume    = NumericHelper.to_d(output['quoteVolume'])
          ticker.timestamp = nil
          ticker.payload   = output
          ticker
        end
      end
    end
  end
end
