module UiFaces

# File lib/ui_faces.rb, line 89
def self.face(network=false, username='random', format="epic")
  #return a image link from uifaces
  #to make it faster.... network should be false

  if(username != 'random')
    link = "http://uifaces.com/api/v1/user/"
  else
    link = '/api/v1/random'
  end

  unless network
    #if you don't want to use internet to retrieve an image link
    #than it will return a custom image link built from the USERNAME array
    return local_random(format)
  else
    #I'll try to use the network
    begin 
      response = Net::HTTP.get_response("uifaces.com", link + username)
    rescue SocketError
      return local_random(format)
    end
      #checking the response code 200 || 400
      if response.code.eql?'200'
        hash = JSON.parse(response.body)
        return hash['image_urls'][format]
      else
        #the username that you are looking for doesn't exist
        ## response.code == 404
        return local_random(format)
      end
  end#unless

end

# File lib/ui_faces.rb, line 124
def self.faces(network=false, username='random', format='epic')
  #return a hash of links
  #puts faces['bigger']
  link = self.face(network, username, format)
  username = link.split("/")[-2]
  return faces = {:bigger => BASE_LINK + username + "/73.jpg",
    :normal => BASE_LINK + username + "/48.jpg",
    :epic   => BASE_LINK + username + "/128.jpg",
    :mini   => BASE_LINK + username + "/24.jpg"
  }
end

# File lib/ui_faces.rb, line 141
def self.man(format="epic")
  return retrieve_a_link(format, MEN)
end

# File lib/ui_faces.rb, line 145
def self.sex(genre="male", format="epic")
  if ( genre.eql?("female") or (genre.eql?("woman")))
    return retrieve_a_link(format, WOMEN)
  else
    return retrieve_a_link(format, MEN)
  end
end

# File lib/ui_faces.rb, line 137
def self.woman(format="epic")
  return retrieve_a_link(format, WOMEN)
end

# File lib/ui_faces.rb, line 155
def self.local_random(format="epic")
  return retrieve_a_link(format, USERNAME)
end

# File lib/ui_faces.rb, line 160
def self.retrieve_a_link(format="epic", object_name=USERNAME)
  return BASE_LINK + object_name.sample + "/" + width(format) + ".jpg"
end

# File lib/ui_faces.rb, line 165
def self.width(format)
  if(format.eql?"bigger")
    '73'
  elsif (format.eql?"normal")
    '48'
  elsif (format.eql?"mini")
    '24'
  else
    '128'
  end
end