import os, time ,requests

def network_test():
    try:
        html = requests.get("https://www.baidu.com",timeout=5)
        return True
    except:
        return False
 
def network_restart():
    try:
        os.system("ifconfig en0 down")
    except:
        return False
    time.sleep(1)
    try:
        os.system("ifconfig en0 up")
    except:
        return False
    return True

def convert_seconds(seconds):
    hours = seconds // 3600
    minutes = (seconds % 3600) // 60
    seconds = (seconds % 3600) % 60
    return hours, minutes, seconds

def ascii_tag():
    sys_s ,sta_s= None, None
    if i > 0:
        sys_s = "Down"
        sta_s = f"{time.ctime()} network 403 , down"
    else:
        sys_s = "Up"
        sta_s = f"{time.ctime()} network 200 , ok"
    t = int(time.time() - k)
    t = convert_seconds(t)
    os.system("clear")
    print("      _               _          _______           ")
    print("     / \             / |_       |_   __ \          ")
    print("    / _ \    __   _ `| |-' .--.   | |__) |  .---.  ")
    print("   / ___ \  [  | | | | | / .'`\ \ |  __ /  / /__\\ ")
    print(" _/ /   \ \_ | \_/ |,| |,| \__. |_| |  \ \_| \__., ")
    print("|____| |____|'.__.'_/\__/ '.__.'|____| |___|'.__.' ")
    print("")
    print(f"系统架构：{os.name}\n异常次数：{j}\n当前状态：{sys_s}\n运行时间：{t[0]}时{t[1]}分{t[2]}秒\n最近记录：{sta_s}")
    return True

def main():
    global i, j, k
    i, j = 0, 0
    k = time.time()
    while(1):
        if not network_test():   #网络异常
            i +=1 #异常计数 3次失败重启
            ascii_tag()
            time.sleep(3)
        else:  #网络正常
            i = 0
            ascii_tag()
            time.sleep(10)
        if (i > 2): #异常3次
            if not network_restart(): #接口重启失败
                ascii_tag()
                print("接口错误，输入回车后退出。")
                input()
                exit()
            else: #接口重启完成
                i = 0
                j += 1
                ascii_tag()
                time.sleep(10)
                
if __name__ == "__main__":
     main()