import time
import requests
from selenium import webdriver
import json
from bs4 import BeautifulSoup
import random

def get_cookies():
    url = 'https://www.bilibili.com'
    driver.get(url)
    driver.delete_all_cookies()  # 先删除cookies
    time.sleep(20)
    dictcookies = driver.get_cookies()  # 读取登录之后浏览器的cookies
    jsoncookies = json.dumps(dictcookies)  # 将字典数据转成json数据便于保存
    with open('cookie.txt', 'w') as f:  # 写进文本保存
        f.write(jsoncookies)
    print('cookies is ok')

def add_cookie():
    f = open('cookie.txt', 'r')
    listcookie = json.loads(f.read())  # 读取文件中的cookies数据

    for cookie in listcookie:
        driver.add_cookie(cookie)  # 将cookies数据添加到浏览器

def open_page(mid, page):
    url = "http://api.bilibili.com/x/relation/followers?vmid=" + mid + "&pn=" + str(
        page + 1) + "&ps=50&order=desc&jsonp=jsonp"
    print(url)
    driver.get(url)
    html = driver.execute_script("return document.documentElement.outerHTML")  # 必须执行js
    time.sleep(2)
    soup = BeautifulSoup(driver.page_source, 'html.parser')
    fans_data = str(soup.text)
    num = fans_data.count("uname")
    for i in range(0,num):
        a = fans_data.find("uname")
        b = fans_data.find("face")
        c = fans_data.find("track_id")
        d = fans_data.find("mid")
        e = fans_data.find("attribute")
        fans_list.append(fans_data[a+8:b-3])
        mid_list.append(fans_data[d+5:e-2])
        fans_data=str(fans_data[c+10:])

def get_nums():
    url_quantity = "https://api.bilibili.com/x/relation/stat?vmid="+uid+"&jsonp=jsonp" #查询粉丝数量网址
    header_quantity={"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36"}
    res_quantity=requests.get(url=url_quantity,headers=header_quantity)
    p = res_quantity.text.find("follower")
    fans_quantity = int(res_quantity.text[p+10:len(res_quantity.text) - 2])
    print("粉丝数量："+str(fans_quantity))
    return fans_quantity

fans_list = []
mid_list = []
driver = webdriver.Edge()
get_cookies()
add_cookie()

uid = str(51903854)

nums_prev = get_nums()
fans_quantity = nums_prev
print('Start!')
while fans_quantity <= nums_prev:
    time.sleep(1)
    fans_quantity = get_nums()
    print('waiting...')

seed = int(time.time())
random.seed(seed)

print("该用户粉丝共", fans_quantity, "个，所有粉丝信息如下：")
pagemax = int(fans_quantity/50)+1
page_num = pagemax

for i in range(0, page_num):
    open_page(uid, i)
    time.sleep(2)

print(fans_list, len(fans_list))
print(mid_list, len(mid_list))
lucky = random.randint(0,100)
print("The lucky number:", lucky)
print("粉丝mid:",mid_list[lucky])
print("粉丝id:",fans_list[lucky])