import pandas as pd
import re
from selenium import webdriver
from bs4 import BeautifulSoup
from selenium.webdriver import DesiredCapabilities
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.common.exceptions import WebDriverException
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import sys
import time
import json
from zlsrc.util.etl import add_info,est_meta,est_html,est_tbs





def f1(driver, num):
    url = driver.current_url
    locator = (By.XPATH, "//ul[@class='list_ul_xzf']/li[1]/a")
    WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))
    locator = (By.XPATH, "//div[@class='paging']/a[last()]")
    st = WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator)).text.strip()
    cnum = re.findall(r'(\d+)/', st)[0]
    if num != int(cnum):
        val = driver.find_element_by_xpath("//ul[@class='list_ul_xzf']/li[1]/a").get_attribute('href')[-10:]
        driver.execute_script("page_to({})".format(num))
        locator = (By.XPATH, "//ul[@class='list_ul_xzf']/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')
    table = soup.find("ul", class_='list_ul_xzf')
    trs = table.find_all("li")
    data = []
    for tr in trs:
        a = tr.find('a')
        try:
            title = a['title'].strip()
        except:
            title = a.text.strip()
        href = a['href'].strip()
        if "http" in href:
            link = href
        else:
            link = "http://www.shifang.gov.cn" + href
        span = tr.find_all('span')[-1].text.strip()
        tmp = [title, span, link]
        data.append(tmp)
    df = pd.DataFrame(data)
    df['info'] = None
    return df





def f2(driver):
    locator = (By.XPATH, "//ul[@class='list_ul_xzf']/li[1]/a")
    WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator))
    locator = (By.XPATH, "//div[@class='paging']/a[last()]")
    st = WebDriverWait(driver, 10).until(EC.presence_of_element_located(locator)).text.strip()
    num = re.findall(r'/(\d+)', st)[0]
    driver.quit()
    return int(num)



def f3(driver, url):
    driver.get(url)
    page = driver.page_source
    soup = BeautifulSoup(page, 'html.parser')
    iframe = soup.find('iframe', id="ifr1")
    div1 = ''
    if iframe:
        divs = soup.find_all('div', class_='docInfo')
        for d in divs:
            div1 += str(d)
        driver.switch_to.frame('ifr1')
        locator = (By.XPATH, "//span[@id='numPages'][not(contains(text(), '0'))]")
        WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located(locator))
        tnum = WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.XPATH, "//span[@id='numPages']"))).text.strip()
        tnum = int(re.findall(r'(\d+)', tnum)[0])
        flag = 1
        if tnum != 1:
            for _ in range(tnum-1):
                time.sleep(1)
                WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.XPATH, "//button[@id='next']"))).click()
                WebDriverWait(driver, 10).until(EC.presence_of_all_elements_located((By.XPATH, "//div[@class='endOfContent']")))
            try:
                locator = (By.XPATH, "//div[@class='page'][last()][string-length()>40]")
                WebDriverWait(driver, 1).until(EC.presence_of_all_elements_located(locator))
            except:
                try:
                    locator = (By.XPATH, "//div[@class='page'][last()-1][string-length()>40]")
                    WebDriverWait(driver, 1).until(EC.presence_of_all_elements_located(locator))
                except:
                    locator = (By.XPATH, "//div[@class='endOfContent']")
                    WebDriverWait(driver, 1).until(EC.presence_of_all_elements_located(locator))
                    flag = 2
    if flag == 1:
        locator = (By.XPATH, "//div[@id='viewerContainer'][string-length()>40] | //table[@style='width:100%;']")
        WebDriverWait(driver, 20).until(EC.presence_of_all_elements_located(locator))
    elif flag == 2:
        locator = (By.XPATH, "//div[@id='viewerContainer']")
        WebDriverWait(driver, 20).until(EC.presence_of_all_elements_located(locator))
    else:raise ValueError
    before = len(driver.page_source)
    time.sleep(0.5)
    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')
    div2 = soup.find('div', id="viewerContainer")
    if div2 == None:
        div2 = soup.find('table', style='width:100%;')
    div = div1 + str(div2)
    div = BeautifulSoup(div, 'html.parser')
    return div


data = [

    ["zfcg_gqita_zhao_bian_gg",
     "http://www.shifang.gov.cn/gov/search_file?cateValue=0&cateType=11",
     ["name", "ggstart_time", "href", "info"], f1, f2],

    ["zfcg_gqita_zhong_liu_gg",
     "http://www.shifang.gov.cn/gov/search_file?cateValue=1&cateType=11",
     ["name", "ggstart_time", "href", "info"],f1,f2],
]



def work(conp,**args):
    est_meta(conp,data=data,diqu="四川省什邡市",**args)
    est_html(conp,f=f3,**args)


if __name__=='__main__':
    work(conp=["postgres","since2015","192.168.3.171","sichuan","shifang"])


    #
    # driver = webdriver.Chrome()
    # df = f3(driver, 'http://www.shifang.gov.cn/gov/file_view?_fileid=51051')
    # print(df)