require 'virtus'
require 'rubycritic/core/location'

module Rubycritic
  class Smell
    include Virtus.model

    attribute :context
    attribute :cost
    attribute :locations, Array, default: []
    attribute :message
    attribute :score
    attribute :status
    attribute :type

    def at_location?(other_location)
      locations.any? { |location| location == other_location }
    end

    def multiple_locations?
      locations.length > 1
    end

    def ==(other)
      state == other.state
    end
    alias eql? ==

    def to_s
      "(#{type}) #{context} #{message}"
    end

    def to_h
      {
        context: context,
        cost: cost,
        locations: locations,
        message: message,
        score: score,
        status: status,
        type: type
      }
    end

    def to_json(*a)
      to_h.to_json(*a)
    end

    def hash
      state.hash
    end

    protected

    def state
      [@context, @message, @score, @type]
    end
  end
end