(local state (require :lib.state))
(local font (require :lib.font))
(local translation (require :lib.translation))

(fn draw [self]
  (local (width height) (love.graphics.getDimensions))
  (state.draw self.present-state)
  ;; TODO: translation
  (love.graphics.reset)
  (love.graphics.translate (/ width 2) (/ height 2))
  ;; TODO: this scaling is pretty limited and should probably get bigger!
  (local scale (if (> height 600)
                   2
                   1))
  (love.graphics.setColor 0.8 0.8 0.8 (/ (math.max 0 (- self.age 30)) 10))
  (love.graphics.setFont (. font (* 48 scale)))
  (love.graphics.printf (string.format
                          (. translation.text self.type 1)
                          (and self.level (translation.text.number self.level)))
                        (* scale -500)
                        (* scale -64)
                        (* scale 1000)
                        :center)
  (love.graphics.setFont (. font (* 12 scale)))
  (love.graphics.printf (string.format
                          (. translation.text self.type 2)
                          (and self.level (translation.text.number self.level)))
                        (* scale -500)
                        0
                        (* scale 1000)
                        :center))

(fn update [self]
  ;; TODO: actually update in case it returns something else
  (when (not= self.type :pause)
    (state.update self.present-state))
  (set self.age (math.min 40 (+ self.age 1)))
  (if self.transition
      self.future-state
      nil))

(fn keypressed [self key scancode repeat]
  (when (and (not repeat) (or (and (= self.type :pause)
                                   (= key :escape))
                              (= key :z)))
    (set self.transition true))
  )

(fn init [self type present-state future-state level]
  (setmetatable
    {: type
     : present-state
     : level
     : future-state
     :age (if (or (= type :pause) (= type :menu)) 40 0)}
    self))

{state.draw draw state.init init state.update update state.keypressed keypressed}