class Browser::Device

def self.matchers
  @matchers ||= [
    XboxOne,
    Xbox360,
    Surface,
    TV,
    BlackBerryPlaybook,
    WiiU,
    Wii,
    Switch,
    KindleFire,
    Kindle,
    PlayStation4,
    PlayStation3,
    PSVita,
    PSP,
    Ipad,
    Iphone,
    IpodTouch,
    Android,
    Unknown
  ]
end

def blackberry_playbook?
  id == :playbook
end

def console?
  xbox? || playstation? || nintendo?
end

def detect_mobile?
|
p7/i.match(ua) ||
droid|bb\d+|meego).+mobile|avantgo|bada/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino}i.match(ua) ||
7|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw-(n|u)|c55/|capi|ccwa|cdm-|cell|chtm|cldc|cmd-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc-s|devi|dica|dmob|do(c|p)o|ds(12|-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(-|_)|g1 u|g560|gene|gf-5|g-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd-(m|p|t)|hei-|hi(pt|ta)|hp( i|ip)|hs-c|ht(c(-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i-(20|go|ma)|i230|iac( |-|/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |/)|klon|kpt |kwc-|kyo(c|k)|le(no|xi)|lg( g|/(k|l|u)|50|54|-[a-w])|libw|lynx|m1-w|m3ga|m50/|ma(te|ui|xo)|mc(01|21|ca)|m-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|-([1-8]|c))|phil|pire|pl(ay|uc)|pn-2|po(ck|rt|se)|prox|psio|pt-g|qa-a|qc(07|12|21|32|60|-[2-7]|i-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55/|sa(ge|ma|mm|ms|ny|va)|sc(01|h-|oo|p-)|sdk/|se(c(-|0|1)|47|mc|nd|ri)|sgh-|shar|sie(-|m)|sk-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h-|v-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl-|tdg-|tel(i|m)|tim-|t-mo|to(pl|sh)|ts(70|m-|m3|m5)|tx-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas-|your|zeto|zte-}i.match(ua[0..3])

def id
  subject.id
end

def initialize(ua)
  @ua = ua
end

def ipad?
  id == :ipad
end

def iphone?
  id == :iphone
end

def ipod_touch?
  id == :ipod_touch
end

def kindle?
  id == :kindle || kindle_fire?
end

def kindle_fire?
  id == :kindle_fire
end

def mobile?
  detect_mobile? && !tablet?
end

def name
  subject.name
end

def nintendo?
  wii? || wiiu? || switch?
end

def nintendo_switch?
  id == :switch
end

def nintendo_wii?
  id == :wii
end

def nintendo_wiiu?
  id == :wiiu
end

def platform
orm ||= Platform.new(ua)

def playstation?
  ps3? || ps4?
end

def playstation_vita?
  id == :psvita
end

def ps3?
  id == :ps3
end

def ps4?
  id == :ps4
end

def psp?
  id == :psp
end

def silk?
  ua =~ /Silk/
end

def subject
  @subject ||= self.class.matchers
                   .map {|matcher| matcher.new(ua) }
                   .find(&:match?)
end

def surface?
  id == :surface
end

def tablet?
  ipad? ||
    (platform.android? && !detect_mobile?) ||
    surface? ||
    playbook?
end

def tv?
  id == :tv
end

def unknown?
  id == :unknown_device
end

def xbox?
  ua =~ /Xbox/
end

def xbox_360?
  id == :xbox_360
end

def xbox_one?
  id == :xbox_one
end