MegaMusic client

client = MegaMusic::Client.new(:app_token => 'foo')
client.log_in
client.playlists.get_collection(:user_id => client.user.id)

module MegaMusic
  class Client
    def initialize(args={})
      @app_token = args[:app_token]
      # etc.
    end

    def get(path, params)
      #.. proxy to http client GET
    end

    def post(path, params)
      #.. proxy to http client POST 
    end

    def log_in
      @auth_info = auth.log_in
      @user = users.get(:id => @auth_info.user_id)
    end

    # Essentially a namespace so we can do things like:
    # @client.playlists.get(987)
    # @client.playlists.get_collection(:user_id => 123)
    # Instead of
    # @client.get_playlist(987)
    # @client.get_playlists(:user_id => 123)
    def playlists
      @playlist_client ||= PlaylistClient.new(self)
    end

    def users
      @user_client ||= UserClient.new(self)
    end
    
    def auth
      @auth_client ||= AuthClient.new(self)
    end
  end

  class AuthClient
    def initialize(client)
      @client = client
    end

    def log_in(params)
      client.post("/api/oauth/tokens")
    end
  end

  class PlaylistClient
    def initialize(client)
      @client = client
    end

    def get(params)
      client.get("/api/playlists/:id", params)
    end

    def get_collection(params)
      client.get("/api/:user_id/playlists", params)
    end
  end

  class UserClient
    def initialize(client)
      @client = client
    end

    def get(params)
      client.get("/api/users/:id", params)
    end
  end
end