(define-module (bonnie-bee game)
  #:use-module (bonnie-bee actor)
  #:use-module (bonnie-bee assets)
  #:use-module (bonnie-bee bullet)
  #:use-module (bonnie-bee common)
  #:use-module (bonnie-bee flower)
  #:use-module (bonnie-bee player)
  #:use-module (chickadee data quadtree)
  #:use-module (chickadee graphics color)
  #:use-module (chickadee math rect)
  #:use-module (chickadee math vector)
  #:use-module (chickadee scripting)
  #:use-module (oop goops)
  #:use-module (starling kernel)
  #:use-module (starling node)
  #:use-module (starling node-2d)
  #:use-module (starling scene)
  #:export (<game>))

(define %game-bounds (make-rect 0.0 0.0 %game-width %game-height))

(define-class <game> (<scene-2d>)
  (quadtree #:getter quadtree #:init-form (make-quadtree %game-bounds)))

(define-method (spawn (game <game>) (actor <actor>))
  (set! (quadtree actor) (quadtree game))
  (attach-to game actor))

(define-method (player (game <game>))
  (& game player))

(define-method (bullets (game <game>))
  (& game bullets))

(define-method (on-boot (game <game>))
  (set! *random-state* (random-state-from-platform))
  (set-cameras! game)
  (attach-to game
             (make <bullets>
               #:name 'bullets
               #:quadtree (quadtree game))))

(define-method (on-enter (game <game>))
  (spawn game
         (make <player>
           #:name 'player
           #:position (vec2 (/ %game-width 2.0) 20.0)
           #:hitbox (make-rect -2.0 -2.0 4.0 4.0)))
  (spawn game
         (make <flower>
           #:position (vec2 (/ %game-width 2.0)
                            (/ %game-height 2.0))
           #:hitbox (make-rect -32.0 -32.0 64.0 64.0)
           #:health 10)))

(define-method (on-key-press (game <game>) key modifiers repeat?)
  (case key
    ((q)
     (pop-scene (current-kernel)))
    ((left)
     (set! (move-left? (player game)) #t))
    ((right)
     (set! (move-right? (player game)) #t))
    ((down)
     (set! (move-down? (player game)) #t))
    ((up)
     (set! (move-up? (player game)) #t))
    ((z)
     (set! (shoot? (player game)) #t))))

(define-method (on-key-release (game <game>) key modifiers)
  (case key
    ((left)
     (set! (move-left? (player game)) #f))
    ((right)
     (set! (move-right? (player game)) #f))
    ((down)
     (set! (move-down? (player game)) #f))
    ((up)
     (set! (move-up? (player game)) #f))
    ((z)
     (set! (shoot? (player game)) #f))))

(define-method (update (game <game>) dt)
  (next-method)
  (shoot-maybe (player game) (bullets game))
  (for-each-child (lambda (child)
                    (when (and (is-a? child <damageable>)
                               (dead? child))
                      (on-death child (bullets game))
                      (quadtree-delete! (quadtree game)
                                        (world-hitbox child)
                                        child)
                      (detach child)))
                  game))