110 lines
2.5 KiB
Python
110 lines
2.5 KiB
Python
from io import BytesIO
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from typing import cast
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from fastapi import Depends
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from PIL import Image, ImageFont
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from .advent_image import _XY, AdventImage
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from .config import Config, get_config
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from .image_helpers import list_images_auto, load_image
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from .sequence_helpers import Random, set_len, shuffle
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from .webdav import WebDAV
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async def shuffle_solution(
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cfg: Config = Depends(get_config),
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) -> str:
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"""
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Lösung: Reihenfolge zufällig bestimmen
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"""
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return "".join(await shuffle(cfg.puzzle.solution))
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async def shuffle_images_auto(
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images: list[str] = Depends(list_images_auto),
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) -> list[str]:
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"""
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Bilder: Reihenfolge zufällig bestimmen
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"""
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ls = set_len(images, 24)
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return await shuffle(ls)
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async def get_part(
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day: int,
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shuffled_solution: str = Depends(shuffle_solution),
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) -> str:
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"""
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Heute angezeigter Teil der Lösung
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"""
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return shuffled_solution[day]
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async def get_random(
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day: int,
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) -> Random:
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"""
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Tagesabhängige Zufallszahlen
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"""
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return await Random.get(day)
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async def gen_auto_image(
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day: int,
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auto_images: list[str] = Depends(shuffle_images_auto),
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cfg: Config = Depends(get_config),
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rnd: Random = Depends(get_random),
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part: str = Depends(get_part),
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) -> Image.Image:
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"""
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Automatisch generiertes Bild erstellen
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"""
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# Datei existiert garantiert!
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img = await load_image(auto_images[day])
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image = await AdventImage.from_img(img)
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font = ImageFont.truetype(
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font=BytesIO(await WebDAV.read_bytes(f"files/{cfg.server.font}")),
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size=50,
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)
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# Buchstaben verstecken
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for letter in part:
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await image.hide_text(
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xy=cast(_XY, tuple(rnd.choices(range(30, 470), k=2))),
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text=letter,
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font=font,
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)
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return image.img
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async def get_image(
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day: int,
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auto_images: list[str] = Depends(shuffle_images_auto),
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cfg: Config = Depends(get_config),
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rnd: Random = Depends(get_random),
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part: str = Depends(get_part),
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) -> Image.Image:
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"""
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Bild für einen Tag abrufen
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"""
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try:
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# Versuche, aus "manual"-Ordner zu laden
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img = await load_image(f"images_manual/{day}.jpg")
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# Als AdventImage verarbeiten
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image = await AdventImage.from_img(img)
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return image.img
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except RuntimeError:
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# Erstelle automatisch generiertes Bild
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return await gen_auto_image(
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day=day, auto_images=auto_images, cfg=cfg, rnd=rnd, part=part
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)
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