# frozen_string_literal: true

module Cryptum
  # This module is used to Interact with the APIs
  module API
    # Module specifically related to orders history retrieval.
    module Portfolio
      # Obtain latest order history
      public_class_method def self.get(opts = {})
        option_choice = opts[:option_choice]
        env = opts[:env]
        crypto = opts[:crypto]
        fiat = opts[:fiat]
        fiat_portfolio_file = opts[:fiat_portfolio_file]
        event_notes = opts[:event_notes]

        # Retrieve Exchange Rates
        exchange_rates_resp = Cryptum::API::ExchangeRates.get(
          option_choice: option_choice,
          env: env
        )
        exchange_rates = exchange_rates_resp[:data][:rates]

        portfolio_complete_arr = Cryptum::API::Rest.call(
          option_choice: option_choice,
          env: env,
          http_method: :GET,
          api_call: '/accounts',
          event_notes: event_notes
        )
        portfolio_complete_arr ||= []

        all_products = portfolio_complete_arr.select do |products|
          products if products[:balance].to_f.positive?
        end

        total_holdings = 0.00
        all_products.each do |product|
          currency = product[:currency].to_sym
          this_exchange_rate = exchange_rates[currency].to_f
          total_holdings += product[:balance].to_f / this_exchange_rate
        end

        crypto_portfolio = portfolio_complete_arr.select do |product|
          product if product[:currency] == crypto
        end

        fiat_portfolio = portfolio_complete_arr.select do |product|
          product if product[:currency] == fiat
        end
        fiat_portfolio.last[:total_holdings] = format(
          '%0.8f',
          total_holdings
        )

        File.write(
          fiat_portfolio_file,
          JSON.pretty_generate(fiat_portfolio)
        )

        crypto_portfolio
      rescue Interrupt, StandardError => e
        Cryptum::Log.append(level: :error, msg: e, which_self: self)
      end

      # Display Usage for this Module
      public_class_method def self.help
        puts "USAGE:
          fees = #{self}.get(
            env: 'required - Coinbase::Option::Environment.get Object',
            option_choice: 'required - Coinbase::Option::Choice Object'
          )
        "
      end
    end
  end
end