module Pluginscan
  # Wraps a couple of helper methods around an array of issues
  class Issues
    include Enumerable

    def initialize(issues)
      @issues = issues
    end

    def each(&block)
      @issues.each(&block)
    end

    def scanned_files_count
      @issues.count
    end

    def found_problems_count
      found_problems.reduce(0){ |count, (_file, file_findings)| count + file_findings.map(&:count).reduce(:+) }
    end

    private def files
      @issues.keys
    end

    private def found_problems
      # Ignore files which didn't have any problems
      Issues.new(@issues.select { |_file, file_findings| !file_findings.empty? })
    end
  end
end