module MpApi
  
  class PaymentMethod
  
    attr_reader :payment_method_id, :issuer_id, :installments, :errors
    def initialize(payment_method_id: , issuer_id: , installments:, errors:nil)
      @payment_method_id = payment_method_id
      @issuer_id = issuer_id
      @installments = installments
      @errors = errors
    end

    def self.find_by_first_six_digits(first_six_digits, credit: true)
      response = Client.new.search_payment_methods(build_query(first_six_digits))
      new(**build_hash(response.json, credit))
    end

    def self.build_query(first_six_digits)
      {
        marketplace: 'NONE',
        status: 'active',
        bins: first_six_digits
      }
    end

    def self.build_hash(response, credit)
      payment_type_id = credit ? 'credit_card' : 'debit_card'
      payment_method = response.dig('results')&.find {|pm| pm['payment_type_id'] == payment_type_id}
      {
        payment_method_id: payment_method&.dig('id'),
        issuer_id: payment_method&.dig('issuer', 'id'),
        installments: payment_method&.dig('payer_costs'),
        errors: response.dig('message')
      }
    end

  end

end