#!/bin/env bash

interface="";


function guess_wifi {
    toAll="$1"
    for i in `ls /sys/class/net/`; do
        if [ -d "/sys/class/net/$i/wireless" ] ; then 
            interface="$i"
        fi
    done
    if [ -z $interface ] ; then
        echo $'No Wireless interface found\nExit'
        if [ "$toAll" == "all" ] ; then
            echo 'flushing all'
            interface=all
        else
            exit 1
        fi
    fi
}




echo "$@ $*"

if [ "$1" == 'off' ] ; then 
    if [ -z "$2" ] ; then 
        interface="$2"
    else
        guess_wifi 'all'
    fi
    echo 'OFF'
    sudo pkill -f dhcpcd
    sudo pkill -f wpa_supplicant
    sudo ip route flush via "$interface";
    sudo pkill -f ssh
    exit 0
elif [ -z "$1" ] ; then 
    guess_wifi ''
else
    "$1"
fi



if [ -z "$2" ]
then
    sudo wpa_supplicant -B "-i${interface}" -D wext -c/etc/wpa_supplicant/wpa_supplicant.conf
else
    if [ -z "$3" ]
    then
        sudo iwconfig "${interface}" essid "$2"
    else
        sudo iwconfig "${interface}" ap "$3"
        sudo iwconfig "${interface}" essid "$2"
    fi
fi
sudo dhcpcd "${interface}"