require 'spec_helper'

describe Track do

  let (:user) {FactoryGirl.create(:user) }
  let (:music_session) { FactoryGirl.create(:music_session, :creator => user)}
  let (:connection) { FactoryGirl.create(:connection, :user => user, :music_session => music_session) }
  let (:track) { FactoryGirl.create(:track, :connection => connection)}
  let (:track2) { FactoryGirl.create(:track, :connection => connection)}
  let (:msuh) {FactoryGirl.create(:music_session_user_history, :history => music_session.music_session_history, :user => user, :client_id => connection.client_id) }
  let (:track_hash) { {:client_track_id => 'client_guid', :sound => 'stereo', :instrument_id => 'drums'} }

  before(:each) do
    msuh.touch
  end

  describe "sync" do
    it "create one track" do
      tracks = Track.sync(connection.client_id, [track_hash])
      tracks.length.should == 1
      track = tracks[0]
      track.client_track_id.should == track_hash[:client_track_id]
      track.sound = track_hash[:sound]
      track.instrument.should == Instrument.find('drums')
    end

    it "create two tracks" do
      tracks = Track.sync(connection.client_id, [track_hash, track_hash])
      tracks.length.should == 2
      track = tracks[0]
      track.client_track_id.should == track_hash[:client_track_id]
      track.sound = track_hash[:sound]
      track.instrument.should == Instrument.find('drums')
      track = tracks[1]
      track.client_track_id.should == track_hash[:client_track_id]
      track.sound = track_hash[:sound]
      track.instrument.should == Instrument.find('drums')
    end

    it "delete only track" do
      track.id.should_not  be_nil
      connection.tracks.length.should == 1
      tracks = Track.sync(connection.client_id, [])
      tracks.length.should == 0
    end

    it "delete one of two tracks using .id to correlate" do

      track.id.should_not be_nil
      track2.id.should_not be_nil
      connection.tracks.length.should == 2
      tracks = Track.sync(connection.client_id, [{:id => track.id, :client_track_id => 'client_guid_new', :sound => 'mono', :instrument_id => 'drums'}])
      tracks.length.should == 1
      found = tracks[0]
      found.id.should == track.id
      found.sound.should == 'mono'
      found.client_track_id.should == 'client_guid_new'
    end

    it "delete one of two tracks using .client_track_id to correlate" do

      track.id.should_not be_nil
      track2.id.should_not be_nil
      connection.tracks.length.should == 2
      tracks = Track.sync(connection.client_id, [{:client_track_id => track.client_track_id, :sound => 'mono', :instrument_id => 'drums'}])
      tracks.length.should == 1
      found = tracks[0]
      found.id.should == track.id
      found.sound.should == 'mono'
      found.client_track_id.should == track.client_track_id
    end


    it "updates a single track using .id to correlate" do
      track.id.should_not be_nil
      connection.tracks.length.should == 1
      begin
        ActiveRecord::Base.record_timestamps = false
        track.updated_at = 1.days.ago
        track.save!
      ensure
        # very important to turn it back; it'll break all tests otherwise
        ActiveRecord::Base.record_timestamps = true
      end
      tracks = Track.sync(connection.client_id, [{:id => track.id, :client_track_id => 'client_guid_new', :sound => 'mono', :instrument_id => 'drums'}])
      tracks.length.should == 1
      found = tracks[0]
      found.id.should == track.id
      found.sound.should == 'mono'
      found.client_track_id.should == 'client_guid_new'
      found.updated_at.should_not == track.updated_at
    end

    it "updates a single track using .client_track_id to correlate" do
      track.id.should_not be_nil
      connection.tracks.length.should == 1
      tracks = Track.sync(connection.client_id, [{:client_track_id => track.client_track_id, :sound => 'mono', :instrument_id => 'drums'}])
      tracks.length.should == 1
      found = tracks[0]
      found.id.should == track.id
      found.sound.should == 'mono'
      found.client_track_id.should == track.client_track_id
    end

    it "does not touch updated_at when nothing changes" do
      track.id.should_not be_nil
      connection.tracks.length.should == 1
      begin
        ActiveRecord::Base.record_timestamps = false
        track.updated_at = 1.days.ago
        track.save!
      ensure
        # very important to turn it back; it'll break all tests otherwise
        ActiveRecord::Base.record_timestamps = true
      end
      tracks = Track.sync(connection.client_id, [{:id => track.id, :client_track_id => track.client_track_id, :sound => track.sound, :instrument_id => track.instrument_id}])
      tracks.length.should == 1
      found = tracks[0]
      expect(found.id).to eq track.id
      expect(found.updated_at.to_i).to eq track.updated_at.to_i
    end
  end
end