# -*- coding=utf-8
# appid 已在配置中移除,请在参数 Bucket 中带上 appid。Bucket 由 BucketName-APPID 组成
# 1. 设置用户配置, 包括 secretId，secretKey 以及 Region

import os
import re
import time
import datetime
import random
import hashlib
from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client
from qcloud_cos import CosServiceError
from qcloud_cos import CosClientError
import sys
import logging


# 日志
image_upload_log = './logs/image_log2.txt'  # 图片上传日志
logging.basicConfig(level=logging.INFO,
                    # stream=sys.stdout,
                    filename = image_upload_log)

# 腾讯云文件存储，存储桶,测试环境用户配置
public_bucket = 'zxhx-pro-1302712961'  # 桶名称
APPID = '1302712961'
secret_id = "AKIDC9pETRbZfWBbmhoglkT4PUJGzRjmj3Ia"   # "云 API 密钥 SecretId";
secret_key = "C6jlX4LKfleGdmfQvGNgj74lESRpBIEJ"  # "云 API 密钥 SecretKey";
TIMEOUT = 30
token = None   # 使用临时密钥需要传入Token，默认为空,可不填
# 设置一个默认的存储桶地域
region = "ap-beijing"
addr = ".cos." + region + ".myqcloud.com"  # 后缀拼接
scheme = 'https'            # 指定使用 http/https 协议来访问 COS，默认为 https，可不填
cos_config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token)  # 获取配置对象
client = CosS3Client(cos_config)  # 获取客户端对象


def upload_img_to_ucloud(param_qcloud):
    put_key, localfile = param_qcloud

    # 高级上传接口(推荐)
    # 根据文件大小自动选择简单上传或分块上传，分块上传具备断点续传功能。
    response = client.upload_file(
        Bucket=public_bucket,
        LocalFilePath=localfile,  # 本地文件的路径
        Key=put_key,  # 上传到桶之后的文件名
        # PartSize=10,
        PartSize=1,  # 上传分成几部分
        MAXThread=10,  # 支持最多的线程数
        EnableMD5=False  # 是否支持MD5
    )
    # print(response['ETag'])


def upload_replace_image(filename_root, sid, html):
    return_error = {"errcode": 1,
                    "errmsg": "word图片上传失败。"}

    daytime = datetime.datetime.now().strftime('/%Y/%m/%d/')
    image_path = filename_root + "/files"

    # todo 判断试卷是否含有图片，如果有就替换上传，没有就不处理
    local2online_dict = {}
    judge_file = os.path.isdir(image_path)
    if judge_file:  # 可以不用判断
        image_number = re.findall(r'<img\s*src\s*=\s*"files/image', str(html))

        local_images_path_list = os.listdir(image_path)  # 本地图片文件名
        local_images_path_list = list(filter(
            lambda x: str(x).endswith(".png") or str(x).endswith(".gif") or str(x).endswith(".jpeg") or str(x).endswith(
                ".jpg"), local_images_path_list))  # 只允许特定后缀名的图片

        if len(image_number) != len(local_images_path_list):
            return return_error
        else:
            # 從大到小把圖片进行排序
            try:
                local_images_path_list.sort(key=lambda x: int(re.search(r"image(\d+)\.[pngifje]+", str(x)).group(1)))
            except:
                return return_error

            # logger.info("local_images_path_list==>{}".format(str(local_images_path_list)))

            put_key_list = []  # 上传云上的图片名称
            localfile_list = []  # 本地图片地址
            rawpic_list = []    # html中的图片路径
            online_image_url_list = []   # 线上图片地址

            if local_images_path_list:
                try:
                    for i, img in enumerate(local_images_path_list, start=1):  # 所有的图片【image1.png，image2.png，。。。】

                        # src_pat2 = re.compile(r'<img\s*src\s*=\s*"files/image{}\.png"'.format(i))
                        # src_pat3 = re.compile(r'<img\s*src\s*=\s*"files/image{}\.gif"'.format(i))
                        # src_pat4 = re.compile(r'<img\s*src\s*=\s*"files/image{}\.jpeg"'.format(i))
                        # src_pat5 = re.compile(r'<img\s*src\s*=\s*"files/image{}\.jpg"'.format(i))
                        # if str(img).endswith("png"):
                        #     pat = src_pat2
                        #     # re_list.append(src_pat2)
                        # elif str(img).endswith("gif"):
                        #     pat = src_pat3
                        #     # re_list.append(src_pat3)
                        # elif str(img).endswith("jpeg"):
                        #     pat = src_pat4
                        #     # re_list.append(src_pat4)
                        # elif str(img).endswith("jpg"):
                        #     pat = src_pat5
                        #     # re_list.append(src_pat5)

                        # todo 上传线上，并替换线上图片
                        localfile = image_path + "/{}".format(img)
                        rawfile = '<img src="files' + "/{}".format(img)
                        localfile_list.append(localfile)
                        rawpic_list.append(rawfile)

                        # todo 图片压缩
                        # resize_img(localfile, localfile)
                        hash_img = get_md5(img)

                        # 上传文件在空间中的名称
                        put_key = "teacher/uploadfiles/wording/" + str(sid) + str(daytime) + str(hash_img)
                        put_key_list.append(put_key)

                        # html替换为线上的地址
                        online_image_url = "http://" + str(public_bucket) + str(addr) + "/" + str(put_key)
                        # html = pat.sub(r'<img src={}'.format(online_image_url), str(html))
                        online_image_url = '<img src="{}'.format(online_image_url)
                        online_image_url_list.append(online_image_url)
                    local2online_dict = dict(zip(rawpic_list, online_image_url_list))

                    return local2online_dict, put_key_list, localfile_list

                except:
                    return return_error
            else:
                return return_error
    else:
        return local2online_dict, [], []


def get_md5(image):
    """
    由于hash不处理unicode编码的字符串（python3默认字符串是unicode）
        所以这里判断是否字符串，如果是则进行转码
        初始化md5、将image_name进行加密、然后返回加密字串
    """
    image_name, image_type = str(image).split(".")
    image_name = str(image_name) + str(time.time()) + str(random.random())

    if isinstance(image_name, str):
        image_name = image_name.encode("utf-8")
    md = hashlib.md5()
    md.update(image_name)
    # a = time.time()
    # b = random.random()
    return str(md.hexdigest()) + "." + str(image_type)