#!/bin/bash

 # WiFi Commander, a lazy way to lazily connect to the WiFi

 # Unstable

 # This script requires that nmcli, w3m, and w3m-img (if
 # you want to be able to see pictures), are all installed
 # on the computer running it

DDG="www.duckduckgo.com"

test () {
echo; ping -c 1 $DDG
if [ "$?" -eq "0" ];
then echo; echo "Connection Successful."
else echo; echo "Connection Unsuccessful."
fi
}

discon () {
nmcli d disconnect wlan0
if [ "$?" -eq "10" ];
then echo; echo "wlan0 not found: Testing for wlan0mon...."; echo; sleep .75; discon2
fi
}

discon2 () {
nmcli d disconnect wlan0mon
if [ "$?" -eq "10" ];
then echo; echo "Error with the WiFi Adapter."
fi
}

interweb () {
echo; w3m $DDG
if [ "$?" -eq "0" ];
then echo " ";
else echo; echo "You are not connected to the internet."
fi
}

menu () {
echo; echo "Command Menu:"; echo
echo "S: Scan for WiFi"
echo "CTN: Connect to new WiFi"
echo "C: Connect to a Saved Connection"
echo "T: Test Connection"
echo "D: Disconnect from WiFi"
echo "VC: View Saved Connections"
echo "DelCon: Delete a Saved Connection"
echo "LB: Launch Browser (W3M)"
echo "SM: Show this Menu"
echo "E: Exit"
}

echo; echo "Welcome to WiFi Commander."; sleep .75; echo

PS3="WiFi Command: "
select command in "Scan for WiFi" "Connect to new WiFi" "Connect to a Saved Connection" "Test Connection" "Disconnect from WiFi" "View Saved Connections" "Delete a Saved Connection" "Launch Browser (W3M)" "Show this Menu" "Exit"; do echo $command; done
1) "Scan for WiFi"
2) "Connect to New WiFi"
3) "Connect to a Saved Connection"
4) "Test Connection"
5) "Disconnect from WiFi"
6) "View Saved Connection"
7) "Delete a Saved Connection"
8) "Launch Browser (W3M)"
9) "Show this Menu"
10) "Exit"
WiFi Command: 

case $command in

([1]) echo; echo $(iwlist scan | grep -E "Quality|Signal level|Encryption key|ESSID"); echo;;
([2]) echo; echo "SSID:"; echo; read ssid; echo; echo "Key:"; echo; read passwd; sudo nmcli d wifi connect "$ssid" password "$passwd"; echo;;
([3]) echo $(nmcli c); echo; echo "Connect to??"; echo; read ssid; nmcli c up id "$ssid";;
([4]) test;;
([5]) discon;;
([6]) echo; echo $(nmcli c); echo;;
([7]) echo; echo $(nmcli c); echo; echo "Delete which??"; echo; read ssid; nmcli c delete id "$ssid";;
([8]) interweb;;
([9]) menu;;
([10]) echo; echo "Goodbye."; echo; exit;;
*) echo; echo "Error: Command not recognised.";;

esac