#!/bin/bash

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

 # Updated: 2-2-16, version 1.6

 # 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"

Cmdr () {
echo; echo "WiFi Command??"; echo
read command
}

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

menu

while true; do

Cmdr

if [[ "$command" == S ]] || [[ "$command" == s ]];
then echo; echo $(iwlist scan | grep -E "Quality|Signal level|Encryption key|ESSID"; echo);
elif [[ "$command" == CTN ]] || [[ "$command" == ctn ]];
then echo; echo "SSID:"; echo; read ssid; echo; echo "Key:"; echo; read passwd; sudo nmcli d wifi connect "$ssid" password "$passwd" iface wlan0; echo
elif [[ "$command" == C ]] || [[ "$command" == c ]];
then echo; echo $(nmcli c); echo; echo "Connect to??"; echo; read ssid; nmcli c up id "$ssid";
elif [[ "$command" == T ]] || [[ "$command" == t ]];
then test
elif [[ "$command" == D ]] || [[ "$command" == d ]];
then nmcli d disconnect wlan0
elif [[ "$command" == VC ]] || [[ "$command" == vc ]];
then echo; echo $(nmcli c); echo
elif [[ "$command" == DelCon ]] || [[ "$command" == delcon ]];
then echo; echo $(nmcli c); echo; echo "Delete which??"; echo; read ssid; nmcli c delete id "$ssid";
elif [[ "$command" == LB ]] || [[ "$command" == lb ]];
then interweb
elif [[ "$command" == SM ]] || [[ "$command" == sm ]];
then menu
elif [[ "$command" == E ]] || [[ "$command" == e ]];
then echo; echo "Goodbye."; echo; exit
else echo; echo "Error: Command not recognised."
fi

done