import os
from dashscope import ImageSynthesis
from PIL import Image

from .image_utils import encode_image_base64, download_image


def edit_image(pil_image: Image.Image, instruction: str) -> Image.Image:
    """Edit an image using wanx2.1-imageedit for structural/body adjustments."""
    b64 = encode_image_base64(pil_image)
    rsp = ImageSynthesis.call(
        api_key=os.environ["DASHSCOPE_API_KEY"],
        model="wanx2.1-imageedit",
        input={
            "function": "description_edit",
            "prompt": instruction,
            "base_image_url": b64,
        },
        parameters={"n": 1},
    )
    result_url = rsp.output.results[0].url
    return download_image(result_url)