Class: LIFX::Console::Identify

Inherits:
Object
  • Object
show all
Defined in:
lib/lifx/console/identify.rb

Constant Summary collapse

COLORS =
{
  'red' => LIFX::Color.red.with_brightness(0.7),
  'green' => LIFX::Color.green.with_brightness(0.7),
  'blue' => LIFX::Color.blue.with_brightness(0.7),
  'yellow' => LIFX::Color.yellow.with_brightness(0.7),
  'purple' => LIFX::Color.purple.with_brightness(0.7),
}

Instance Method Summary collapse

Instance Method Details

#clientObject


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# File 'lib/lifx/console/identify.rb', line 63

def client
  LIFX::Console.client
end

#partition(list, partition_count) ⇒ Object


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# File 'lib/lifx/console/identify.rb', line 55

def partition(list, partition_count)
  [].tap do |array|
    list.each_slice((list.count.to_f / partition_count).ceil) do |chunk|
      array << chunk
    end
  end
end

#run(lights) ⇒ Object


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# File 'lib/lifx/console/identify.rb', line 14

def run(lights)
  candidates = lights.to_a.shuffle
  mapping = {}

  if lights.respond_to?(:set_color)
    lights.set_color(LIFX::Color.white, duration: 0)
  else
    lights.each { |l| l.set_color(LIFX::Color.white, duration: 0) }
  end

  while candidates.count > 1
    puts "Searching through #{candidates.count} devices..."
    partitions = partition(candidates, COLORS.values.count)
      COLORS.keys.each_with_index do |color_name, index|
        color = COLORS[color_name]
        mapping[color_name] = partitions[index]
        next if partitions[index].nil?
        partitions[index].each do |l|
          l.pulse(color, period: 10, duty_cycle: 1.0)
        end
      end
    puts "What color did the light change to? (#{COLORS.keys.join(', ')}. Press enter to retry)"
    resp = gets.strip
    abbrev = Abbrev.abbrev(COLORS.keys)
    if mapping.has_key?(abbrev[resp])
      candidates = mapping[abbrev[resp]]
    else
      puts "Color not found. Pulsing again."
    end
  end

  if candidates.count == 1
    result = candidates.first
    puts "Light identified: #{result}"
    result.pulse(LIFX::Color.green, cycles: 3, period: 1)
    return candidates.first
  else
    puts "No lights matched."
  end
end