require 'totter/transport'

module Totter
  # API client for interacting with the Seesaw API
  class Client
    Dir[File.expand_path('../client/*.rb', __FILE__)].each { |f| require f }

    include Totter::Client::Decisions
    include Totter::Client::Users
    include Totter::Client::Slugs
    include Totter::Client::Timelines
    include Totter::Client::Choices
    include Totter::Client::Votes
    include Totter::Client::Avatars

    attr_reader :access_token
    attr_reader :api_scheme
    attr_reader :api_host
    attr_reader :api_version
    attr_reader :transport

    # Initialize a new client.
    #
    # @param options [Hash] optionally specify `:access_token`, `:api_scheme`, `:api_host`, `:api_version`, `:client_token`, or `:transport`.
    def initialize(options = {})
      options = { access_token: options } if options.is_a? String

      @access_token = options[:access_token] if options[:access_token]
      @api_scheme = (options[:api_scheme] or 'https')
      @api_host = (options[:api_host] or 'api.seesaw.co')
      @api_version = (options[:api_version] or 1)
      @client_token = options[:client_token] if options[:client_token]
      @transport = (options[:transport] or :http)

      # Include transport
      transport_module = Totter::Transport::TRANSPORT_MAP[@transport]
      raise 'Invalid transport' unless transport_module
      self.extend transport_module
    end

    # API base URL.
    #
    # @return [String] API base URL
    def base_url
      "#{@api_scheme}://#{@api_host}/v#{@api_version}/"
    end

    # Is the client has an access token.
    #
    # @return [Boolean] true if it is using one and false if it is not
    def authenticated?
      @access_token != nil and @access_token.length > 0
    end

    # Is the client using SSL.
    #
    # @return [Boolean] true if it is using SSL and false if it is not
    def ssl?
      @api_scheme == 'https'
    end
  end
end