import math
import re

import requests
from bs4 import BeautifulSoup
from lxml import etree
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import pandas as pd
from zlsrc.util.etl import est_html, est_meta, add_info, est_meta_large
import time



def f1(driver, num):
    # driver.set_window_size(1366,768)
    locator = (By.XPATH, '//div[@id="categorypagingcontent"]/ul/li')
    WebDriverWait(driver, 20).until(EC.presence_of_element_located(locator))
    val = driver.find_element_by_xpath('//div[@id="categorypagingcontent"]/ul/li[1]/a').get_attribute("href")[-40:]
    cnum_temp = driver.find_element_by_xpath('//td[@class="huifont"][2]').text
    cnum = re.findall("(\d+)\/",cnum_temp)[0]
    # print(val,cnum)
    if int(cnum) != int(num):
        url = re.sub(r"(\d+)\.html",str(num)+'.html',driver.current_url)
        # print(url)
        driver.get(url)

        locator = (By.XPATH, '//div[@id="categorypagingcontent"]/ul/li[1]/a[not(contains(@href,"%s"))]' % val)
    WebDriverWait(driver, 20).until(EC.visibility_of_all_elements_located(locator))
    data = []
    page = driver.page_source
    body = etree.HTML(page)
    content_list = body.xpath('//div[@id="categorypagingcontent"]/ul/li')
    for content in content_list:
        name = content.xpath('./a/text()')[0].strip()
        url = "https://buy.cnooc.com.cn"+content.xpath('./a/@href')[0].strip()
        ggstart_time =  content.xpath("./span/text()")[0].strip()
        temp = [name, ggstart_time, url]
        data.append(temp)
        # print('temp', temp)
    df = pd.DataFrame(data=data)
    df["info"] = None
    return df


def f2(driver):
    locator = (By.XPATH, '//li[@class="now-hd-items clearfix"][1]/a')
    WebDriverWait(driver, 20).until(EC.presence_of_element_located(locator))
    try:
        total_temp = driver.find_element_by_xpath('//td[@class="huifont"][2]').text
        total_page = re.findall("\/(\d+)",total_temp)[0]
    except:
        total_page=1
    driver.quit()
    return int(total_page)


def f3(driver, url):
    driver.get(url)
    if '404' in driver.current_url:
        raise ('网站维护中，html无法爬取。')
    locator = (By.XPATH, '//div[@class="now-bd"]')
    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_='now-bd')

    return div


data = [
    ["qycg_gqita_bian_zhao_gg",
     "https://buy.cnooc.com.cn/cbjyweb/001/001001/1.html",
     ["name", "ggstart_time", "href","info"], f1, f2],
    ["qycg_zhongbiaohx_gg",
     "https://buy.cnooc.com.cn/cbjyweb/001/001002/1.html",
     ["name", "ggstart_time", "href","info"], f1, f2],
    ["qycg_zhongbiao_gg",
     "https://buy.cnooc.com.cn/cbjyweb/001/001003/1.html",
     ["name", "ggstart_time", "href","info"], f1, f2],
    ["qycg_zhaobiao_fzb_gg",
     "https://buy.cnooc.com.cn/cbjyweb/001/001004/1.html",
     ["name", "ggstart_time", "href","info"], add_info(f1,{'Tag':'非招标'}), f2],
]


def work(conp, **args):
    est_meta_large(conp, data=data, diqu="中国海洋石油集团有限公司", **args)
    est_html(conp, f=f3, **args)

def main():
    conp = ["postgres", "since2015", "192.168.3.171", "anbang_qiye", "buy_cnooc_com_cn"]
    work(conp,pageloadstrategy='none',pageloadtimeout=40)
    # driver = webdriver.Chrome()
    # driver.get("https://buy.cnooc.com.cn/cbjyweb/001/001001/1.html")
    # f1(driver, 2)
    # f1(driver, 3)
    # f1(driver, 8)
    # print(f2(driver))
    # driver = webdriver.Chrome()
    # print(f3(driver, 'https://buy.cnooc.com.cn/cbjyweb/001/001003/20190313/96f2613a-1b08-404e-a27c-4bc41f13ecc6.html'))
    # driver.close()
if __name__ == "__main__":
    main()