class PathSegment < ApplicationRecord
  validates :segment, presence: true, uniqueness: true
  validates :usage_count, presence: true, numericality: { greater_than: 0 }

  # Class method to find or create a segment
  def self.find_or_create_segment(segment)
    find_or_create_by(segment: segment) do |path_segment|
      path_segment.usage_count = 1
      path_segment.first_seen_at = Time.current
    end
  end

  # Increment usage count
  def increment_usage!
    increment!(:usage_count)
  end
end