from http import HTTPStatus
from urllib.parse import urlparse, unquote
from pathlib import PurePosixPath
from dashscope import ImageSynthesis
from WxMini.Milvus.Config.MulvusConfig import *

def generate_image(prompt, sketch_image_url, model="wanx-sketch-to-image-lite", task="image2image", n=1, size='768*768', style='<watercolor>'):
    """
    根据提示词和草图生成图片
    :param prompt: 提示词
    :param sketch_image_url: 草图图片 URL
    :param model: 使用的模型，默认为 "wanx-sketch-to-image-lite"
    :param task: 任务类型，默认为 "image2image"
    :param n: 生成图片的数量，默认为 1
    :param size: 图片尺寸，默认为 '768*768'
    :param style: 图片风格，默认为 '<watercolor>'
    :return: (success, message) success 为 True 表示成功，False 表示失败；message 为提示信息
    """
    try:
        print('----同步调用，请稍等----')
        rsp = ImageSynthesis.call(api_key=MODEL_API_KEY,
                                  model=model,
                                  prompt=prompt,
                                  n=n,
                                  style=style,
                                  size=size,
                                  sketch_image_url=sketch_image_url,
                                  task=task)
        print('response: %s' % rsp)

        if rsp.status_code == HTTPStatus.OK:
            if rsp.output.task_status == "SUCCEEDED":
                # 在当前目录下保存图片
                for result in rsp.output.results:
                    file_name = PurePosixPath(unquote(urlparse(result.url).path)).parts[-1]
                    #with open('./%s' % file_name, 'wb+') as f:
                    #    f.write(requests.get(result.url).content)
                    #print(f"图片已生成，文件名: {file_name}")
                return True, "图片生成成功"
            else:
                # 生成失败，返回错误信息
                error_message = f"生成失败，错误码: {rsp.output.code}, 错误信息: {rsp.output.message}"
                print(error_message)
                return False, error_message
        else:
            # 调用失败，返回错误信息
            error_message = f"同步调用失败，状态码: {rsp.status_code}, 错误码: {rsp.code}, 错误信息: {rsp.message}"
            print(error_message)
            return False, error_message
    except Exception as e:
        # 捕获异常，返回错误信息
        error_message = f"生成图片时发生异常: {str(e)}"
        print(error_message)
        return False, error_message


# 示例调用
if __name__ == '__main__':
    prompt = "一棵参天大树"
    sketch_image_url = "https://help-static-aliyun-doc.aliyuncs.com/assets/img/zh-CN/6609471071/p743851.jpg"
    success, message = generate_image(prompt, sketch_image_url)
    if not success:
        print(f"生成失败: {message}")