#!/bin/bash
if [ -z "$1" ]; then
  echo "Showing Wifi Interfaces:"
  iwconfig
  echo "Please Enter Wifi Interface:"
  read wifi_device
  echo "Selected ${wifi_device}"
else
  wifi_device="$1"
fi

# wifi_device=$1

echo 'Starting NetworkManager.service'
sudo systemctl restart NetworkManager

echo 'Restarting wpa_supplicant'
sudo systemctl restart wpa_supplicant

echo 'Disconnecting from wifi'
sudo nmcli d disconnect $wifi_device

echo 'Deleting all wifi saved networks'
nmcli connection show | sudo awk '{system("nmcli connection delete " $1)}'

echo 'Bringing down interface'
sudo ifconfig $wifi_device down

echo 'Bringing back up interface'
sudo ifconfig $wifi_device up

echo 'Reloading network manager'
sudo nmcli g reload

echo 'Turning off network manager'
sudo nmcli n off

echo 'Turning on network manager'
sudo nmcli n on

echo 'Changing interface mode to managed'
sudo iwconfig $wifi_device mode managed

echo 'Restarting networking stack'
sudo systemctl restart networking

iwconfig

echo -e "\nDone~ ^w^\n"