;; Neon glow effect - glowing edges on dark background
;; Usage: python3 plan.py effects/neon_glow.sexp -p glow_radius=20 -p glow_intensity=2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;;   glow_radius: glow spread in pixels (5 to 50, default: 20)
;;   glow_intensity: glow brightness (0.5 to 5, default: 2)

(recipe "neon_glow"
  :version "1.0"
  :encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)

  (effect neon_glow :path "sexp_effects/effects/neon_glow.sexp")

  ;; Default parameters (overridden by -p glow_radius=N -p glow_intensity=N)
  (def glow_radius 20)
  (def glow_intensity 2)

  (def video (source :path "monday.webm"))
  (def clip (-> video (segment :start 0 :duration 10)))
  (def result (-> clip (effect neon_glow :glow_radius glow_radius :glow_intensity glow_intensity)))
  result)