import io
import logging
from io import BytesIO

import cv2
import numpy as np
import urllib3
from PIL import Image
from minio import Minio

from utils.minio_config import MINIO_URL, MINIO_ACCESS, MINIO_SECRET, MINIO_SECURE

minio_client = Minio(MINIO_URL, access_key=MINIO_ACCESS, secret_key=MINIO_SECRET, secure=MINIO_SECURE)


# 自定义 Retry 类
class CustomRetry(urllib3.Retry):
    def increment(self, method=None, url=None, response=None, error=None, **kwargs):
        # 调用父类的 increment 方法
        new_retry = super(CustomRetry, self).increment(method, url, response, error, **kwargs)
        # 打印重试信息
        logger.info(f"重试连接: {method} {url}，错误: {error}，重试次数: {self.total - new_retry.total}")
        return new_retry


logger = logging.getLogger()
timeout = urllib3.Timeout(connect=1, read=10.0)  # 连接超时 5 秒，读取超时 10 秒
http_client = urllib3.PoolManager(
    num_pools=10,  # 设置连接池大小
    maxsize=10,
    timeout=timeout,
    cert_reqs='CERT_REQUIRED',  # 需要证书验证
    retries=CustomRetry(
        total=5,
        backoff_factor=0.2,
        status_forcelist=[500, 502, 503, 504],
    ),
)


#  获取图片
def oss_get_image(oss_client, path, data_type):
    # cv2 默认全通道读取
    bucket = path.split("/", 1)[0]
    object_name = path.split("/", 1)[1]
    image_object = None
    try:
        image_data = oss_client.get_object(bucket_name=bucket, object_name=object_name)
        if data_type == "cv2":
            image_bytes = image_data.read()
            image_array = np.frombuffer(image_bytes, np.uint8)  # 转成8位无符号整型
            image_object = cv2.imdecode(image_array, cv2.IMREAD_UNCHANGED)
            if image_object.dtype == np.uint16:
                image_object = (image_object / 256).astype('uint8')
        else:
            data_bytes = BytesIO(image_data.read())
            image_object = Image.open(data_bytes)
    except Exception as e:
        logger.warning(f"获取图片出现异常 ######: {e}")
    return image_object


def oss_upload_image(oss_client, bucket, object_name, image_bytes):
    req = None
    try:
        req = oss_client.put_object(bucket_name=bucket, object_name=object_name, data=io.BytesIO(image_bytes), length=len(image_bytes), content_type='image/png')
    except Exception as e:
        logger.warning(f"上传图片出现异常 ######: {e}")
    return req


if __name__ == '__main__':
    url = "lanecarford/refaced_image/refaced1760687023.736802.png"
    read_type = "1"
    img = oss_get_image(oss_client=minio_client, path=url, data_type=read_type)
    if read_type == "cv2":
        cv2.imshow("", img)
        cv2.waitKey(0)
    else:
        img.show()
        img.save("result.png")