# -*- coding: utf-8 -*-

import middlewares
import time
import settings


def showBanner(menu = 'main'):
    print(settings.BANNER.get(menu), end='')

def switch(menu = '1'):
    case = {
        '1' : main,
        '2' : introduce,
        '3' : view,
        '4' : middlewares.save2Redis,
        '5' : middlewares.clearRedis,
        '6' : milkSpider,
        '7' : aexit
    }
    if menu in case.keys():
        case.get(menu)()
    else:
        print("no such choice", end = '')
    return

def main():
    while True:
        showBanner()
        menu = str(input("选择一项:"))
        switch(menu)

def introduce():
    print(settings.BANNER.get('introduce'), end = '')
    while True:
        select = str(input())
        if select == "r":
            return
        else:
            print("invaild choice!")

def view():
    print("this is view()")
    return

def milkSpider():
    
    print("注意：调用milkSpider将启动selenium以及requests进程，因为爬取数据量较大，\n往往会占用较多时间，确定吗？[c]continue or [q]quit：", end = '')
    flag = str(input())
    if flag == "q":
        print("取消")
        return

    if middlewares.precheck():
        start_time = time.time()
        middlewares.mainThread()
        print("Totally spend " + str(round(time.time() - start_time, 2)) + " seconds")
    print("milkSpider done.")
    return

def aexit():
    print("bye!")
    exit()

if __name__ == "__main__":
    # milkSpider()
    main()