#!/usr/bin/env ruby
STDOUT.sync = true

$:.unshift File.join(File.dirname(__FILE__), *%w{ .. lib })

require 'html/proofer'
require 'mercenary'
require "rubygems"

Mercenary.program(:htmlproof) do |p|
  p.version Gem::Specification::load(File.join(File.dirname(__FILE__), "..", "html-proofer.gemspec")).version
  p.description "Test your rendered HTML files to make sure they're accurate."
  p.syntax 'htmlproof PATH [options]'

  p.description "Runs the HTML-Proofer suite on the files in PATH"

  p.option 'ext', '--ext EXT', 'The extension of your HTML files (default: `.html`)'
  p.option 'favicon', '--favicon', 'Enables the favicon checker (default: `false`).'
  p.option 'as-links', '--as-links', 'Assumes that `PATH` is a comma-separated array of links to check.'
  p.option 'swap', '--swap regex:string,[regex:string,...]', Array, 'Array containing key-value pairs of `RegExp:String`. It transforms links that match `RegExp` into `String`'
  p.option 'href_ignore', '--href_ignore link1,[link2,...]', Array, 'Array of Strings containing `href`s that are safe to ignore. Note that non-HTTP(S) URIs are always ignored.'
  p.option 'alt_ignore', '--alt_ignore image1,[image2,...]', Array, 'Array of Strings containing `img`s whose missing `alt` tags are safe to ignore'
  p.option 'disable_external', '--disable_external', 'Disables the external link checker (default: `false`)'
  p.option 'only_4xx', '--only_4xx', 'Only reports errors for links that fall within the 4x status code range.'
  p.option 'verbose', '--verbose', 'Enables more verbose logging.'
  p.option 'directory_index_file', '--directory_index_file', 'Sets the file to look for when a link refers to a directory.'
  p.option 'validate_html', '--validate_html', 'Enables HTML validation errors from Nokogiri (default: `false`).'
  p.option 'check_external_hash', '--check_external_hash', 'Checks whether external hashes exist (even if the website exists). This slows the checker down (default: `false`).'

  p.action do |args, opts|
    args = ["."] if args.empty?
    path = args.first

    options = {}
    options[:ext] = opts["ext"] unless opts["ext"].nil?
    unless opts["swap"].nil?
      options[:href_swap] = {}
      opts["swap"].each do |s|
        pair = s.split(":")
        options[:href_swap][%r{#{pair[0]}}] = pair[1]
      end
    end

    options[:href_ignore] = opts["href_ignore"] unless opts["href_ignore"].nil?
    options[:alt_ignore] = opts["alt_ignore"] unless opts["alt_ignore"].nil?
    options[:disable_external] = opts["disable_external"] unless opts["disable_external"].nil?
    options[:only_4xx] = opts["only_4xx"] unless opts["only_4xx"].nil?
    options[:favicon] = opts["favicon"] unless opts["favicon"].nil?
    options[:verbose] = opts["verbose"] unless opts["verbose"].nil?
    options[:directory_index_file] = opts["directory_index_file"] unless opts["directory_index_file"].nil?
    options[:validate_html] = opts["validate_html"] unless opts["validate_html"].nil?
    options[:check_external_hash] = opts["check_external_hash"] unless opts["check_external_hash"].nil?

    path = path.delete(' ').split(",") if opts["as-links"]

    HTML::Proofer.new(path, options).run
  end
end