class DeviceDetector

# File lib/device_detector.rb, line 136
def cache
  @cache ||= MemoryCache.new(config.to_hash)
end

# File lib/device_detector.rb, line 132
def config
  @config ||= Configuration.new
end

# File lib/device_detector.rb, line 140
def configure(&block)
  @config = Configuration.new
  yield(config)
end

# File lib/device_detector.rb, line 19
def initialize(user_agent)
  @user_agent = user_agent
end

# File lib/device_detector.rb, line 112
def bot?
  bot.bot?
end

# File lib/device_detector.rb, line 116
def bot_name
  bot.name
end

# File lib/device_detector.rb, line 43
def device_brand
  device.brand
end

# File lib/device_detector.rb, line 39
def device_name
  device.name
end

# File lib/device_detector.rb, line 47
def device_type
  t = device.type

  if t.nil? && android_tablet_fragment? || opera_tablet?
    t = 'tablet'
  end

  if t.nil? && android_mobile_fragment?
    t = 'smartphone'
  end

  # Android up to 3.0 was designed for smartphones only. But as 3.0,
  # which was tablet only, was published too late, there were a
  # bunch of tablets running with 2.x With 4.0 the two trees were
  # merged and it is for smartphones and tablets
  #
  # So were are expecting that all devices running Android < 2 are
  # smartphones Devices running Android 3.X are tablets. Device type
  # of Android 2.X and 4.X+ are unknown
  if t.nil? && os.short_name == 'AND' && os.full_version && !os.full_version.empty?
    if os.full_version < '2'
      t = 'smartphone'
    elsif os.full_version >= '3' && os.full_version < '4'
      t = 'tablet'
    end
  end

  # All detected feature phones running android are more likely a smartphone
  if t == 'feature phone' && os.family == 'Android'
    t = 'smartphone'
  end

  # According to http://msdn.microsoft.com/en-us/library/ie/hh920767(v=vs.85).aspx
  # Internet Explorer 10 introduces the "Touch" UA string token. If this token is present at the end of the
  # UA string, the computer has touch capability, and is running Windows 8 (or later).
  # This UA string will be transmitted on a touch-enabled system running Windows 8 (RT)
  #
  # As most touch enabled devices are tablets and only a smaller part are desktops/notebooks we assume that
  # all Windows 8 touch devices are tablets.
  if t.nil? && touch_enabled? &&
     (os.short_name == 'WRT' || (os.short_name == 'WIN' && os.full_version && os.full_version >= '8'))
    t = 'tablet'
  end

  if opera_tv_store?
    t = 'tv'
  end

  if t.nil? && ['Kylo', 'Espial TV Browser'].include?(client.name)
    t = 'tv'
  end

  # set device type to desktop for all devices running a desktop os that were
  # not detected as an other device type
  if t.nil? && os.desktop? && !puffin_browser?
    t = 'desktop'
  end

  t
end

# File lib/device_detector.rb, line 27
def full_version
  client.full_version
end

# File lib/device_detector.rb, line 108
def known?
  client.known?
end

# File lib/device_detector.rb, line 23
def name
  client.name
end

# File lib/device_detector.rb, line 35
def os_full_version
  os.full_version
end

# File lib/device_detector.rb, line 31
def os_name
  os.name
end

# File lib/device_detector.rb, line 169
def android_mobile_fragment?
  user_agent =~ build_regex('Android(?: \d.\d(?:.\d)?)?; Mobile;')
end

# File lib/device_detector.rb, line 165
def android_tablet_fragment?
  user_agent =~ build_regex('Android(?: \d.\d(?:.\d)?)?; Tablet;')
end

# File lib/device_detector.rb, line 149
def bot
  @bot ||= Bot.new(user_agent)
end

# File lib/device_detector.rb, line 190
def build_regex(src)
  Regexp.new('(?:^|[^A-Z0-9\_\-])(?:' + src + ')', Regexp::IGNORECASE)
end

# File lib/device_detector.rb, line 153
def client
  @client ||= Client.new(user_agent)
end

# File lib/device_detector.rb, line 157
def device
  @device ||= Device.new(user_agent)
end

# File lib/device_detector.rb, line 181
def opera_tablet?
  user_agent =~ build_regex('Opera Tablet')
end

# File lib/device_detector.rb, line 177
def opera_tv_store?
  user_agent =~ build_regex('Opera TV Store')
end

# File lib/device_detector.rb, line 161
def os
  @os ||= OS.new(user_agent)
end

# File lib/device_detector.rb, line 186
def puffin_browser?
  client.name == 'Puffin'
end

# File lib/device_detector.rb, line 173
def touch_enabled?
  user_agent =~ build_regex('Touch')
end