import pandas as pd
import re

from selenium import webdriver
from bs4 import BeautifulSoup
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.common.exceptions import WebDriverException
from selenium.webdriver.support.select import Select
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

import json

import time

from zlsrc.util.etl import est_html, est_meta, add_info



def f1(driver, num):
    locator = (By.XPATH, "//div[@id='article_list']/ul/li[1]//a")
    WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))
    url = driver.current_url
    try:
        li = driver.find_element_by_xpath("//a[@id='totalpage']").text.strip()
        cnum = int(re.findall(r'(\d+) /', li)[0])
    except:
        cnum = 1
    if num != int(cnum):
        val = driver.find_element_by_xpath("//div[@id='article_list']/ul/li[1]//a").get_attribute('href')[-10:]
        if num == 1:
            url = re.sub("0-[0-9]*", "0-1", url)
        else:
            s = "0-%d" % (num) if num > 1 else "0-1"
            url = re.sub("0-[0-9]*", s, url)
            # print(cnum)
        driver.get(url)
        locator = (By.XPATH, "//div[@id='article_list']/ul/li[1]//a[not(contains(@href, '%s'))]" % val)
        WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))

    page = driver.page_source
    soup = BeautifulSoup(page, "html.parser")
    div = soup.find("div", id='article_list').ul
    lis = div.find_all("li")
    data = []
    for li in lis:
        a = li.find("a")
        try:
            title = a['title'].strip()
        except:
            title = a.text.strip()
        span = li.find("span").text.strip()
        link = a["href"]
        if 'http' in link:
            href = link
        else:
            href = 'http://www.bjszjsgl.com/' + link.split('/',maxsplit=1)[1]
        tmp = [title, span, href]
        data.append(tmp)
    df = pd.DataFrame(data=data)
    df['info'] = None
    return df


def f2(driver):
    locator = (By.XPATH, "//div[@id='article_list']/ul/li[1]//a")
    WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))

    locator = (By.XPATH, "//a[@id='totalpage']")
    WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))
    li = driver.find_element_by_xpath("//a[@id='totalpage']").text.strip()
    total = int(re.findall(r'/ (\d+)', li)[0])
    driver.quit()
    return total


def f3(driver, url):
    driver.get(url)
    if '404' in driver.title:
        return 404
    locator = (By.XPATH, "//div[@class='large_con'][string-length()>30]")
    WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located(locator))

    before = len(driver.page_source)
    time.sleep(0.1)
    after = len(driver.page_source)
    i = 0
    while before != after:
        before = len(driver.page_source)
        time.sleep(0.1)
        after = len(driver.page_source)
        i += 1
        if i > 5: break

    page = driver.page_source
    soup = BeautifulSoup(page, 'html.parser')
    div = soup.find('div', class_='large_con')
    if div == None:raise ValueError
    return div


data = [

    ["gcjs_gqita_zhao_zhong_gg", "http://www.bjszjsgl.com/infor.php?51-0-1",
     ["name", "ggstart_time", "href", "info"], f1, f2],

]


def work(conp, **args):
    est_meta(conp, data=data, diqu="陕西省宝鸡市", **args)
    est_html(conp, f=f3, **args)

# 修改日期：2019/8/15
if __name__ == '__main__':
    work(conp=["postgres", "since2015", "192.168.3.171", "guoziqiang2", "shanxi_baoji"])


    # for d in data:
    #     driver=webdriver.Chrome()
    #     url=d[1]
    #     print(url)
    #     driver.get(url)
    #     df = f2(driver)
    #     print(df)
    #     driver = webdriver.Chrome()
    #     driver.get(url)
    #
    #     df=f1(driver, 2)
    #     print(df.values)
    #     for f in df[2].values:
    #         d = f3(driver, f)
    #         print(d)
