import os
import random
import re
import time

from selenium import webdriver
from selenium.webdriver.chrome.service import Service
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.proxy import Proxy
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait


def startChrome():
    
    """启动Chrome浏览器，需要指定驱动的位置
    """
    chrome_driver = os.path.abspath(r"C:\Program Files (x86)\Google\Chrome\Application\chromedriver.exe")
    os.environ["webdriver.chrome.driver"] = chrome_driver
    
    webdriver.DesiredCapabilities.CHROME['proxy'] = {
        "httpProxy": "182.90.14.241:80",
        "sslProxy": "59.78.160.248:8080",
        "noProxy": None,
        "proxyType": "MANUAL",
        "autodetect": False
    }
    
    driver = webdriver.Chrome(chrome_driver)
    wait = WebDriverWait(driver, 10)
    
    # login
    driver.get('https://www.mouser.cn/MyMouser/MouserLogin.aspx')
    wait.until(EC.visibility_of_element_located((By.ID, 'ctl00_ContentMain_login_login_UserName')))
    wait.until(EC.visibility_of_element_located((By.ID, 'ctl00_ContentMain_login_login_Password')))
    wait.until(EC.element_to_be_clickable((By.ID, 'ctl00_ContentMain_login_login_LoginButton')))
    name_el = driver.find_element(By.ID, 'ctl00_ContentMain_login_login_UserName')
    name_el.send_keys('_mouser_')
    pwd_el = driver.find_element(By.ID, 'ctl00_ContentMain_login_login_Password')
    pwd_el.send_keys('select123')
    time.sleep(random.randint(1, 3))
    btn_el = driver.find_element(By.ID, 'ctl00_ContentMain_login_login_LoginButton')
    btn_el.click()
    
    wait.until(lambda d: d.current_url == 'https://www.mouser.cn/MyMouser/AccountSummary.aspx')
    
    # index
    wait.until(EC.element_to_be_clickable((By.ID, 'ctl00_Header2_RepeaterNav_ctl00_hyperHeaderNav')))
    time.sleep(random.randint(1, 3))
    btn_el = driver.find_element(By.ID, 'ctl00_Header2_RepeaterNav_ctl00_hyperHeaderNav')
    btn_el.click()
    
    wait.until(lambda d: d.current_url == 'http://www.mouser.cn/Electronic-Components/')
    
    # category home
    wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'SearchResultsSubLevelCategory')))
    time.sleep(random.randint(1, 3))
    btn_el = driver.find_element(By.CLASS_NAME, 'SearchResultsSubLevelCategory')
    btn_el.click()
    
    wait.until(lambda d: re.match('.+\/_\/.+', d.current_url))
       
    # list
    time.sleep(random.randint(1, 3))
    driver.refresh()
    
    cmp_el = driver.find_element(By.CSS_SELECTOR, ".mfrDiv a")
    time.sleep(random.randint(1, 3))
    cmp_el.click()
    
    wait.until(EC.element_to_be_clickable((By.ID, 'ctl00_ContentMain_btn1')))
    
    # detail
    print(driver.current_url)
    print(driver.page_source)
    
    driver.close()
    driver.quit()
    driver = None

    
if __name__ == '__main__':
    startChrome()