from http import HTTPStatus
from urllib.parse import urlparse, unquote
from pathlib import PurePosixPath

import requests
from dashscope import ImageSynthesis
import oss2
from WxMini.Milvus.Config.MulvusConfig import *


def generate_image(prompt, model="wanx2.1-t2i-turbo", n=1, size='1024*1024'):
    # 初始化 OSS 客户端
    auth = oss2.Auth(ACCESS_KEY_ID, ACCESS_KEY_SECRET)
    bucket = oss2.Bucket(auth, ENDPOINT, BUCKET_NAME)
    """
    根据提示词生成图片并直接上传到 OSS
    :param prompt: 提示词
    :param model: 使用的模型，默认为 "wanx2.1-t2i-turbo"
    :param n: 生成图片的数量，默认为 1
    :param size: 图片尺寸，默认为 '1024*1024'
    :return: (success, message) success 为 True 表示成功，False 表示失败；message 为提示信息
    """
    try:
        rsp = ImageSynthesis.call(api_key=MODEL_API_KEY, model=model, prompt=prompt, n=n, size=size)
        if rsp.status_code == HTTPStatus.OK:
            # 遍历生成的图片
            for result in rsp.output.results:
                # 获取图片 URL
                image_url = result.url
                # 下载图片数据
                image_data = requests.get(image_url).content
                # 生成 OSS 文件名
                file_name = PurePosixPath(unquote(urlparse(image_url).path)).parts[-1]
                # 上传到 OSS
                key = 'Upload/' + file_name
                bucket.put_object(key, image_data)
            return True, f'{OSS_PREFIX}{key}'
        else:
            # 生成失败，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


# 获取图片的宽高
def getImgWidthHeight(img_url):
    try:
        url = f'{img_url}?x-oss-process=image/info'
        response = requests.get(url)
        jo = response.json()
        width = int(jo['ImageWidth']['value'])
        height = int(jo['ImageHeight']['value'])
        return width, height
    except:
        return 182, 182