class HTML::Proofer

def self.create_nokogiri(path)
  path << "/index.html" if File.directory? path #support for Jekyll-style links
  Nokogiri::HTML(File.read(path))
end

def get_checks
  HTML::Proofer::Checks::Check.subclasses
end

def initialize(src, opts={})
  @srcDir = src
  @options = {:ext => ".html"}.merge(opts)
  @failedTests = []
end

def print_issues(klass, issues)
  return if issues.empty?
  @failedTests.push klass
  issues.each do |issue|
    $stderr.puts issue + "\n\n"
  end
end

def run
  get_checks.each do |klass|
    puts "Running #{klass.name.split(/:/).pop()} check... \n\n"
    Find.find(@srcDir) do |path|
      if File.extname(path) == @options[:ext]
        html = HTML::Proofer.create_nokogiri(path)
        check = klass.new(@srcDir, path, html, @options)
        check.run
        check.hydra.run
        self.print_issues(klass, check.issues)
      end
    end
  end
  if @failedTests.empty?
    puts "Tests executed sucesfully.".green
    exit 0
  else
    # make the hash default to 0 so that += will work correctly
    count = Hash.new(0)
    # iterate over the array, counting duplicate entries
    @failedTests.each do |v|
      count[v] += 1
    end
    count.each do |k, v|
      $stderr.puts "#{k} failed #{v} times"
    end
    raise "Tests ran, but found failures!"
  end
end