#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import ssl
import sys
import json
import base64


# 保证兼容python2以及python3
IS_PY3 = sys.version_info.major == 3
if IS_PY3:
    from urllib.request import urlopen
    from urllib.request import Request
    from urllib.error import URLError
    from urllib.parse import urlencode
    from urllib.parse import quote_plus
else:
    import urllib2
    from urllib import quote_plus
    from urllib2 import urlopen
    from urllib2 import Request
    from urllib2 import URLError
    from urllib import urlencode

# 防止https证书校验不正确
ssl._create_default_https_context = ssl._create_unverified_context

API_KEY = 'XuDpl9wYzpKAi1DqH5wv4zx4'

SECRET_KEY = 'dqL2gDMgf6HsbMcxBgpTt0lUzOEldRZm'


IMAGE_CENSOR = "https://aip.baidubce.com/rest/2.0/solution/v1/img_censor/v2/user_defined"

TEXT_CENSOR = "https://aip.baidubce.com/rest/2.0/solution/v1/text_censor/v2/user_defined"

"""  TOKEN start """
TOKEN_URL = 'https://aip.baidubce.com/oauth/2.0/token'


"""
    获取token
"""


def fetch_token():
    params = {'grant_type': 'client_credentials',
              'client_id': API_KEY,
              'client_secret': SECRET_KEY}
    post_data = urlencode(params)
    if (IS_PY3):
        post_data = post_data.encode('utf-8')
    req = Request(TOKEN_URL, post_data)
    try:
        f = urlopen(req, timeout=5)
        result_str = f.read()
    except URLError as err:
        print(err)
    if (IS_PY3):
        result_str = result_str.decode()

    result = json.loads(result_str)

    if ('access_token' in result.keys() and 'scope' in result.keys()):
        if not 'brain_all_scope' in result['scope'].split(' '):
            print('please ensure has check the  ability')
            exit()
        return result['access_token']
    else:
        print('please overwrite the correct API_KEY and SECRET_KEY')
        exit()


"""
    读取文件
"""


def read_file(image_path):
    f = None
    try:
        f = open(image_path, 'rb')
        return f.read()
    except:
        print('read image file fail')
        return None
    finally:
        if f:
            f.close()


"""
    调用远程服务
"""


def request(url, data):
    req = Request(url, data.encode('utf-8'))
    has_error = False
    try:
        f = urlopen(req)
        result_str = f.read()
        if (IS_PY3):
            result_str = result_str.decode()
        return result_str
    except URLError as err:
        print(err)


if __name__ == '__main__':

    # 获取access token
    token = fetch_token()

    # 拼接图像审核url
    image_url = IMAGE_CENSOR + "?access_token=" + token

    # 拼接文本审核url
    text_url = TEXT_CENSOR + "?access_token=" + token

    file_content = read_file('image_normal.jpeg')
    result = request(image_url, urlencode(
        {'image': file_content}))
    print("----- 正常图调用结果 -----")
    print(result)

    file_content = read_file('image_advertise.jpeg')
    result = request(image_url, urlencode(
        {'image': base64.b64encode(file_content)}))
    print("----- 广告图调用结果 -----")
    print(result)

    text = "我们要热爱祖国热爱党"
    result = request(text_url, urlencode({'text': text}))
    print("----- 正常文本调用结果 -----")
    print(result)

    text = "我要爆粗口啦：百度AI真他妈好用"
    result = request(text_url, urlencode({'text': text}))
    print("----- 粗俗文本调用结果 -----")
    print(result)