require "pathname"

module CC
  module Analyzer
    class IssueRelativePathValidation < Validation
      def valid?
        path &&
          !path.start_with?("/") &&
          relative_to?(MountedPath.code.container_path)
      end

      def message
        "Path must be relative to the project directory"
      end

      private

      def relative_to?(directory)
        expanded_base = Pathname.new(directory).expand_path.to_s
        expanded_path = Pathname.new(path).expand_path.to_s

        expanded_path.start_with?(expanded_base)
      end

      def path
        object.fetch("location", {})["path"]
      end
    end
  end
end