class Define

# File lib/definer.rb, line 6
def define word
  begin
    definition = part_of_speech = example = "not found"
    api_url = "http://api.pearson.com/v2/dictionaries/entries?headword="
    header_uri = URI(api_url.concat(word))
    res = Net::HTTP.get(header_uri);
    my_hash = JSON.parse(res)
    accepted = ['ldoce5','laad3','wordwise']
    my_dict = my_hash['results'].select { |set| (set['datasets'] & accepted).any?}[0]
    part_of_speech = my_dict['part_of_speech'] unless part_of_speech.class== NilClass
    definition = my_dict['senses'][0]['definition'] 
    example = my_dict['senses'][0]['examples'][0]['text'] unless example.class == NilClass 
  rescue
  end

  options = {}

  optparse = OptionParser.new do |opts|

    opts.banner = "Usage: define <word> [options]"

    options[:example] = false
    opts.on( '-e', '--example', 'Shows an example') do
      options[:example] = true
    end

    options[:part_of_speech] = false
    opts.on( '-p', '--part', 'Shows the part of speech') do
      options[:part_of_speech] = true
    end

    opts.on( '-h', '--help', 'Display this screen') do
      puts opts
      exit
    end
  end

  optparse.parse!

  puts "#{word.upcase} : #{definition}" if definition
  puts "Part of Speech : #{part_of_speech}" if options[:part_of_speech]
  puts "Example : #{example}" if options[:example]
end