#! python 3
"""
clean_layers.py
Loescht Rhino-Standardlayer (Default, Layer 01-05 usw.)
die keine Objekte enthalten und nicht zum RhinoPanel gehoeren.
Ausfuehren via _RunPythonScript.
"""
import re
import Rhino
import scriptcontext as sc

sc.sticky["rhinopanel_registered"] = False
sc.sticky["rhinopanel_form"] = None

doc = Rhino.RhinoDoc.ActiveDoc

PROTECTED = {
    "10_grundrisse", "20_schnitte", "30_ansichten",
    "00_raster", "01_vermessung", "40_situation",
    "90_referenzen", "99_konstruktion",
}

pattern = re.compile(r'^(default|layer\s*0*\d+)$', re.IGNORECASE)

gone = []
skip = []

for i in range(doc.Layers.Count - 1, -1, -1):
    layer = doc.Layers[i]
    root  = layer.FullPath.split("::")[0].strip().lower()
    if root in PROTECTED:
        continue
    if not pattern.match(layer.Name.strip()):
        continue
    try:
        if doc.Layers.Delete(i, True):
            gone.append(layer.Name)
        else:
            skip.append(layer.Name)
    except Exception:
        skip.append(layer.Name)

doc.Views.Redraw()

if gone:
    print("[clean_layers] Geloescht: {}".format(", ".join(gone)))
else:
    print("[clean_layers] Nichts geloescht (schon sauber?)")
if skip:
    print("[clean_layers] Uebersprungen (Objekte drauf): {}".format(", ".join(skip)))
print("[clean_layers] Panel-Sticky zurueckgesetzt")