require 'savon'
require 'sonos/endpoint'

module Sonos::Device

  # Used for PLAY:3, PLAY:5, PLAYBAR, SUB, CONNECT and CONNECT:AMP
  class Speaker < Base
    include Sonos::Endpoint::AVTransport
    include Sonos::Endpoint::Rendering
    include Sonos::Endpoint::Device
    include Sonos::Endpoint::ContentDirectory
    include Sonos::Endpoint::Upnp
    include Sonos::Endpoint::Alarm

    MODELS = {
      :'S1'    => 'PLAY:1',     # Released Oct 2013
      :'S3'    => 'PLAY:3',     # Released Jul 2011
      :'S5'    => 'PLAY:5',     # Released Nov 2009
      :'S9'    => 'PLAYBAR',    # Released Feb 2013
      :'Sub'   => 'SUB',        # Released May 2012
      :'ZP80'  => 'ZP80',       # Released Apr 2006
      :'ZP90'  => 'CONNECT',    # Released Aug 2008
      :'ZP100' => 'ZP100',      # Released Jan 2005
      :'ZP120' => 'CONNECT:AMP' # Released Aug 2008
    }.freeze

    def self.models
      MODELS
    end

    def speaker?
      true
    end

    def shuffle_on
      shuffle_repeat_change("shuffle_on")
    end

    def shuffle_off
      shuffle_repeat_change("shuffle_off")
    end

    def repeat_on
      shuffle_repeat_change("repeat_on")
    end

    def repeat_off
      shuffle_repeat_change("repeat_off")
    end

    def crossfade_on
      set_crossfade(true)
    end

    def crossfade_off
      set_crossfade(false)
    end

    def shuffle_repeat_change(command)
      status = get_playmode
      case command
      when "shuffle_on"
        status[:shuffle] = true;
      when "shuffle_off"
        status[:shuffle] = false;
      when "repeat_on"
        status[:repeat] = true;
      when "repeat_off"
        status[:repeat] = false;
      end
      set_playmode(status)
    end

    def set_playmode(status = {:shuffle => false, :repeat => false})
      send_transport_message('SetPlayMode', "<NewPlayMode>SHUFFLE</NewPlayMode>")           if (status[:shuffle]  && status[:repeat] )
      send_transport_message('SetPlayMode', "<NewPlayMode>SHUFFLE_NOREPEAT</NewPlayMode>")  if (status[:shuffle]  && !status[:repeat])
      send_transport_message('SetPlayMode', "<NewPlayMode>REPEAT_ALL</NewPlayMode>")        if (!status[:shuffle] && status[:repeat] )
      send_transport_message('SetPlayMode', "<NewPlayMode>NORMAL</NewPlayMode>")            if (!status[:shuffle] && !status[:repeat])
    end

    def set_crossfade(crossfade)
      crossfade_value = crossfade ? 1 : 0
      send_transport_message('SetCrossfadeMode', "<InstanceID>0</InstanceID><CrossfadeMode>#{crossfade_value}</CrossfadeMode>")
    end

    def get_playmode
      doc = Nokogiri::XML(open("http://#{self.group_master.ip}:#{Sonos::PORT}/status/playmode"))
      playmode = {}
      playmode[:shuffle] = doc.xpath('//Shuffle').inner_text == "On"
      playmode[:repeat] = doc.xpath('//Repeat').inner_text == "On"
      playmode[:crossfade] = doc.xpath('//Crossfade').inner_text == "On"
      playmode
    end

  end
end