class IdentityNowRuleValidator

# File lib/identitynow_rule_validator.rb, line 27
def self.validate_directory( directory )

  self.initialize

  puts "Validating files from directory: #{directory}"

  Dir.glob( File.join( directory + '**/*.xml' ) ).each do |file|

    self.analyze_file( file )

  end # files.each do |file|

  self.report_findings

  return @@findings

end

# File lib/identitynow_rule_validator.rb, line 67
def self.validate_file( file )

  self.initialize

  puts "Validating file: #{file}"

  self.analyze_file( file )

  self.report_findings

  return @@findings

end

# File lib/identitynow_rule_validator.rb, line 45
def self.validate_files( files )

  self.initialize

  puts "Validating files: #{files}"

  if ( !files.nil? && !files.empty? )

    files.each do |file|

      self.analyze_file( file )

    end # files.each do |file|

  end # if ( !files.nil? && !files.empty? )

  self.report_findings

  return @@findings

end

# File lib/identitynow_rule_validator.rb, line 112
def self.analyze_file( file )

  #
  # Make sure we are working with files, not directories.
  #
  if File.file?( file )

    @@filesCount += 1;
    puts "\t" + File.basename( file )

    File.readlines( file ).each_with_index do |line, lineNumber|

      @@rules.each do |rule|

        if line.valid_encoding?
          if( line.match( /#{rule['pattern']}/ ) )

            finding = {
              'file': file,
              'line': lineNumber + 1,
              'text': line.strip,
              'message': rule['message'],
              'type': rule['type']
            }
            @@findings.push finding
          end

        end # if( line.match( /#{rule['pattern']}/ ) )

      end # @@rules.each do |rule|

    end # File.readlines( file ).each_with_index do |line, lineNumber|

  end # if File.file?( file )

end

# File lib/identitynow_rule_validator.rb, line 83
def self.initialize

  #
  # Initialize findings to be empty.
  #
  @@findings = []

  #
  # Initialize filesCount to be 0.
  #
  @@filesCount = 0;

  #
  # Initialize rules from JSON.
  #
  @@rules = JSON.parse( File.read( File.join( __dir__, "rules.json" ) ) )

  #
  # Initialize previous file to empty
  #
  @@previousFile = nil

  #
  # Program Start / Version
  #
  Program.start( "IdentityNow Rule Validator", "Neil McGlennon (neil.mcglennon@sailpoint.com)", "1.0.1", "2020-05-12" )

end

# File lib/identitynow_rule_validator.rb, line 149
def self.report_findings

  #
  # If there are no findings, then we're good.  Display a success message.
  #
  if @@findings.nil? || @@findings.empty?

    puts "\n\t#{"Success".green}: No issues found!\n\n"

  #
  # We have some findings to show.
  #
  else

    #
    # Iterate through all of our findings.
    #
    @@findings.each do |finding|

      #
      # Output the file header
      #
      if ( finding[:file] != @@previousFile )
        puts File.dirname( finding[:file] ) + "\n"
        puts File.basename( finding[:file] ).bold + "\n\n"
      end

      #
      # Output the issue
      #
      puts "\tLine #{finding[:line]}: #{finding[:text][0..80].gsub(/\s\w+$/,'...').light_black}"
      type = ( finding[:type] == "error" ) ? "Error".red : "Warning".yellow
      puts "\t#{type}: #{finding[:message]}\n\n"

      #
      # Set this for the next iteration
      #
      @@previousFile = finding[:file]

    end

  end

  #
  # Completion!
  #
  Program.end

end