class Browser::Base

def bot
  @bot ||= Bot.new(ua)
end

def bot?
  bot.bot?
end

def chrome?
  Chrome.new(ua).match?
end

def compatibility_view?
  false
end

def core_media?
  ua =~ /CoreMedia/
end

def device
  @device ||= Device.new(ua)
end

def edge?
  Edge.new(ua).match?
end

def firefox?
  Firefox.new(ua).match?
end

def ie?(expected_version = nil)
  InternetExplorer.new(ua).match? &&
    detect_version?(version, expected_version)
end

def initialize(ua, accept_language: nil)
  @ua = ua
  @accept_language = AcceptLanguage.parse(accept_language)
end

def known?
  id != :generic
end

def meta
  Meta.constants.each_with_object(Set.new) do |meta_name, meta|
    meta_class = Meta.const_get(meta_name)
    meta.merge(meta_class.new(self).to_a)
  end.to_a
end

def modern?
  Browser.modern_rules.any? {|rule| rule === self } # rubocop:disable Metrics/LineLength, Style/CaseEquality
end

def msie_full_version
  "0.0"
end

def msie_version
  "0"
end

def nokia?
  Nokia.new(ua).match?
end

def opera?
  Opera.new(ua).match?
end

def opera_mini?
  ua =~ /Opera Mini/
end

def phantom_js?
  PhantomJS.new(ua).match?
end

def platform
  @platform ||= Platform.new(ua)
end

def proxy?
  nokia? || uc_browser? || opera_mini?
end

def quicktime?
  ua =~ /QuickTime/i
end

def safari?(expected_version = nil)
  Safari.new(ua).match? && detect_version?(version, expected_version)
end

def safari_webapp_mode?
  (device.ipad? || device.iphone?) && ua =~ /AppleWebKit/
end

def to_s
  meta.to_a.join(" ")
end

def uc_browser?
  UCBrowser.new(ua).match?
end

def version
  full_version.split(".").first
end

def webkit?
  ua =~ /AppleWebKit/i && !edge?
end

def webkit_full_version
  ua[%r[AppleWebKit/([\d.]+)], 1] || "0.0"
end

def yandex?
  ua =~ /YaBrowser/
end