module Loqate
  # Generic response of a request to Loqate's API
  class APIResult
    # Array of hashes representing each item in the response body
    #
    # @return [Array<Hash>]
    #
    attr_reader :items

    # Instantiates a new API result
    #
    # @param [Array<Hash>] items Array of hashes representing each item in the response body
    #
    def initialize(items)
      @items = items
    end

    def self.error(status:)
      new(
        [
          {
            'Error' => '-2',
            'Description' => 'Something went wrong - please try again later',
            'Resolution' => 'Try again later',
            'Cause' => "Server returned response with #{status}"
          }
        ]
      )
    end

    # Whether the response contains errors
    #
    # @return [Boolean] true if the response has errors and false otherwise
    #
    def errors?
      !items.dig(0, 'Error').nil?
    end
  end
end