from selenium import webdriver
from selenium.webdriver.common.keys import Keys
import time
import os
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

if __name__=='__main__':

    '''WOS“檢索結果”頁面的網(wǎng)址'''
    url = 'https://www.webofscience.com/wos/woscc/summary/64c4e5ff-832d-476d-8112-51e908a600b1-1d5405d5/relevance/1'
    
    startdownload(url,80195,'/Users/username/folder',False) # 主要函數(shù)
    print('Done')

def startdownload(url,record_num,SAVE_TO_DIRECTORY,record_format='excel',reverse=False):
    '''url -> 檢索結果網(wǎng)址; \n 
       record_num -> 需要導出的記錄條數(shù)(檢索結果數(shù)); \n
       SAVE_TO_DIRECTORY -> 記錄導出存儲路徑(文件夾);\n
       record_format -> 導出記錄格式, default='excel';\n
       reverse -> 是否設置檢索結果降序排列, default=False \n
       ----------------------------------------------------
       tip1:首次打開wos必須登錄,在學校統(tǒng)一身份認證處需要手動輸入驗證碼并點擊登錄; 
       tip2:第一次導出時需要手動修改文件處理方式為"保存文件",并勾選"以后都采用相同動作處理此類文件"
    '''
    # SAVE_TO_DIRECTORY = '/Users/chenzijing/Desktop/研/畢業(yè)論文/畢設研/代碼/論文數(shù)據(jù)'#/firefox'
    fp = webdriver.FirefoxProfile()
    fp.set_preference('browser.download.dir', SAVE_TO_DIRECTORY)
    fp.set_preference("browser.download.folderList", 2)
    fp.set_preference("browser.download.manager.showWhenStarting", False)
    fp.set_preference("browser.helperApps.neverAsk.saveToDisk", "text/plain")
    browser = webdriver.Firefox(executable_path=r'geckodriver',firefox_profile=fp)
    browser.get(url)
    time.sleep(3)
    login(browser)
    browser.get(url)
    time.sleep(5)
    '''獲取需要導出的文獻數(shù)量'''
    # record_num = int(browser.find_element_by_css_selector('.brand-blue').text)
    # 按時間降序排列
    if reverse: 
        browser.find_element_by_css_selector('.top-toolbar wos-select:nth-child(1) button:nth-child(1) span:nth-child(2)').click()
        browser.find_element_by_css_selector("div.wrap-mode:nth-child(2) span:nth-child(1)").click() 
        time.sleep(3)
    # 叉掉彈窗
    browser.find_element_by_css_selector('#onetrust-accept-btn-handler').click()
    time.sleep(1)
    browser.find_element_by_css_selector('#pendo-close-guide-7176fce7').click()
    # 開始導出
    start = 1 # 起始記錄
    i = 0 # 導出記錄的數(shù)字框id隨導出次數(shù)遞增
    while start<record_num:
        browser.find_element_by_css_selector('button.cdx-but-md:nth-child(2) span:nth-child(1)').click() # 導出
        # 選擇導出格式
        if record_format=='excel':
            browser.find_element_by_css_selector('#exportToExcelButton').click() # 選擇導出格式為excel
        else:
            browser.find_element_by_css_selector('#exportToFieldTaggedButton').click() # 選擇導出格式為txt
        browser.find_element_by_css_selector('#radio3 label:nth-child(1) span:nth-child(1) span:nth-child(1)').click() # 選擇自定義記錄條數(shù)
        send_key(browser,'#mat-input-%d'%i,start)#mat-input-2
        send_key(browser,'#mat-input-%d'%(i+1),start+999)
        browser.find_element_by_css_selector('.margin-top-5 button:nth-child(1)').click() # 更改導出字段
        browser.find_element_by_css_selector('div.wrap-mode:nth-child(3) span:nth-child(1)').click() # 選擇所需字段(3完整)(4自定義)
        browser.find_element_by_css_selector('div.flex-align:nth-child(3) button:nth-child(1)').click() # 點擊導出
        time.sleep(10) # 等待下載完畢
        # 導出文件按照包含的記錄編號重命名
        rename_file(SAVE_TO_DIRECTORY,'record-'+str(start)+'-'+str(start+999))
        start = start + 1000
        i = i + 2
    time.sleep(10)
    browser.quit()

def login(browser):
    '''登錄wos'''
    # 通過CHINA CERNET Federation登錄
    browser.find_element_by_css_selector('.mat-select-arrow').click()
    browser.find_element_by_css_selector('#mat-option-9 span:nth-child(1)').click()
    browser.find_element_by_css_selector('button.wui-btn--login:nth-child(4) span:nth-child(1) span:nth-child(1)').click()
    time.sleep(3)
    login = browser.find_element_by_css_selector('#show')
    login.send_keys('xxxx大學') # 改成你的學校名
    time.sleep(0.5)
    browser.find_element_by_css_selector('.dropdown-item strong:nth-child(1)').click()
    browser.find_element_by_css_selector('#idpSkipButton').click()
    time.sleep(1)
    #! 跳轉到學校的統(tǒng)一身份驗證(想自動輸入賬號密碼就把下面兩行注釋解除,按照自己學校的網(wǎng)址修改一下css選擇器路徑)
    # browser.find_element_by_css_selector('input#un').send_keys('你的學號') # 改成你的學號/賬號
    # browser.find_element_by_css_selector('input#pd').send_keys('你的密碼') # 改成你的密碼
    time.sleep(20) #! 手動輸入賬號、密碼、驗證碼，點登錄
def send_key(browser,path,value):
    '''browser -> browser;\n
       path -> css選擇器;\n
       value -> 填入值
    '''
    markto=browser.find_element_by_css_selector(path)
    markto.clear()
    markto.send_keys(value)
def rename_file(SAVE_TO_DIRECTORY,name,record_format='excel'):
    '''導出文件重命名 \n
       SAVE_TO_DIRECTORY -> 導出記錄存儲位置(文件夾)；\n 
       name -> 重命名為
    '''
    # files = list(filter(lambda x:'savedrecs' in x and len(x.split('.'))==2,os.listdir(SAVE_TO_DIRECTORY)))
    while True:
        files = list(filter(lambda x:'savedrecs' in x and len(x.split('.'))==2,os.listdir(SAVE_TO_DIRECTORY)))
        if len(files)>0:
            break
    files = [os.path.join(SAVE_TO_DIRECTORY, f) for f in files]  # add path to each file
    files.sort(key=lambda x: os.path.getctime(x))
    newest_file = files[-1]
    # newest_file=os.path.join(SAVE_TO_DIRECTORY,'savedrecs.txt')
    if record_format=='excel':
        os.rename(newest_file, os.path.join(SAVE_TO_DIRECTORY, name+".xls"))
    else:
        os.rename(newest_file, os.path.join(SAVE_TO_DIRECTORY, name+".txt"))