# frozen_string_literal: true
module Bankster
  class Client
    include HTTParty

    attr_reader :credentials

    def self.configuration
      Configuration.instance
    end

    def self.configure
      yield Configuration.instance
    end

    def initialize(credentials)
      @credentials = credentials
      @options = {
        base_uri: self.class.configuration.api_url,
        headers: {
          'Api-Key': self.class.configuration.api_key,
          'Bank-Credentials': encoded_credentials
        }
      }
    end

    def transactions(account, from, to)
      response = self.class.get('/transactions', @options.merge(query: { account: account, start: from, end: to }))
      raise(response.body) unless response.ok?
      JSON.parse(response.body)
    end

    # FIXME : Parameter lists longer
    # rubocop:disable Metrics/ParameterLists, Metrics/MethodLength
    def transfer(sending_account, receiving_account, amount_cents, purpose, reference, identification = nil)
      attributes = @options.merge(
        body: {
          sending_account: sending_account.to_h,
          receiving_account: receiving_account.to_h,
          purpose: purpose,
          amount_cents: amount_cents,
          reference: reference,
          identification: identification
        }
      )
      response = self.class.post('/transfers', attributes)
      raise(response.body) if !response.code.eql?(200) && !response.code.eql?(201)
    end

    private

    def encoded_credentials
      raise 'No credentials given' unless credentials
      credentials.encode
    end
  end
end