class BankTransfer
  # Configuration
  class Configuration
    attr_accessor :bank

    def initialize(bank)
      @bank = bank
    end

    def attrs
      send("#{@bank}_config")
    end

    def attr_keys
      send("#{@bank}_config").keys
    end

    def bank_prefix
      send("#{@bank}_prefix")
    end

    def operation_types
      OPERATION_TYPES
    end

    def source_account
      SOURCE_ACCOUNT
    end

    private

    def banorte_config
      BANORTE_CONFIG
    end

    def banorte_prefix
      BANK_PREFIXES[:banorte]
    end

    BANORTE_CONFIG =
      {
        operation: {
          source_attr: :config, max_length: 2, range: (1..2),
          fill: ' ', fill_side: :rigth
        },
        beneficiary_name: {
          source_attr: :data, max_length: 50, range: (3..52),
          fill: ' ', fill_side: :rigth
        },
        source_account: {
          source_attr: :config, max_length: 18, range: (53..70),
          fill: '0', fill_side: :left
        },
        target_account: {
          source_attr: :data, max_length: 18, range: (71..88),
          fill: '0', fill_side: :left
        },
        transfer_ammount: {
          source_attr: :data, max_length: 13, range: (89..101),
          fill: '0', fill_side: :left
        },
        reference_number: {
          source_attr: :config, max_length: 10, range: (102..111),
          fill: '0', fill_side: :left
        },
        transfer_concept: {
          source_attr: :config, max_length: 35, range: (112..146),
          fill: ' ', fill_side: :rigth
        },
        iva: {
          source_attr: :data, max_length: 29, range: (147..175),
          fill: ' ', fill_side: :rigth
        },
        target_email: {
          source_attr: :data, max_length: 60, range: (176..235),
          fill: ' ', fill_side: :rigth
        },
        target_message: {
          source_attr: :config, max_length: 100, range: (236..275),
          fill: ' ', fill_side: :rigth
        },
        pay_date: {
          source_attr: :config, max_length: 8, range: (276..283),
          fill: ' ', fill_side: :rigth
        }
      }.freeze

    BANK_PREFIXES =
      {
        banorte: '072'
      }.freeze

    OPERATION_TYPES =
      {
        own_account_transfer: '01',
        third_party_transfer: '02',
        spei: '04', tef: '05'
      }.freeze

    # NOTE: May be configurable from the Dashboard configurations
    SOURCE_ACCOUNT = ENV['SOURCE_ACCOUNT']
  end
end