"""
Erstellt aza_main.png + assets/aza_main_light.ico aus dem vorhandenen Logo:
assets/Logo2.png (echter AzA-Wassertropen-Logo).

Weisser Hintergrund damit Hauptprogramm-Icon von Chat-Icon (dunkel) unterscheidbar.
Kein neues Logo, keine neue Grafik.
"""
from PIL import Image
import os

SRC = "assets/Logo2.png"

src = Image.open(SRC).convert("RGBA")
print(f"Quelle: {SRC}  Groesse={src.size}  Mode={src.mode}")

# --- PNG-Icons fuer Tkinter iconphoto() ---
for size, dst in [(48, "aza_main.png"), (32, "aza_main_32.png")]:
    frame = src.resize((size, size), Image.LANCZOS)
    bg = Image.new("RGBA", (size, size), (255, 255, 255, 255))
    bg.paste(frame, (0, 0), frame)
    bg.save(dst, format="PNG")
    print(f"OK: {dst}  ({os.path.getsize(dst)} Bytes)")

# --- ICO fuer PyInstaller EXE-Icon ---
ico_path = os.path.join("assets", "aza_main_light.ico")
ico_sizes = [(256, 256), (48, 48), (32, 32), (16, 16)]
frames = []
for s in ico_sizes:
    frame = src.resize(s, Image.LANCZOS)
    bg = Image.new("RGBA", s, (255, 255, 255, 255))
    bg.paste(frame, (0, 0), frame)
    frames.append(bg)

frames[0].save(
    ico_path,
    format="ICO",
    sizes=ico_sizes,
    append_images=frames[1:],
)
print(f"OK: {ico_path}  ({os.path.getsize(ico_path)} Bytes)")
print("Fertig.")