#! /bin/bash
# Originally contributed by Neuro: http://bbs.archlinux.org/viewtopic.php?pid=278148#p278148

. /usr/lib/network/network.subr
. /usr/lib/network/wireless.subr

# wifi_auto
#   autoconnect wireless interface
#   $1 - wireless interface

wifi_auto()
{
    INTERFACE=$1; RETRIES=6

    while read essid; do
        # awfully long grep that finds a file which has: 
        # CONNECTION=wireless, ESSID=$essid, INTERFACE=$INTERFACE
        profile=$(grep -rlP "CONNECTION=\"?wireless\"?(\n|.)*INTERFACE=\"?$INTERFACE\"?(\n|.)*ESSID=\"?$essid\"?" $PROFILE_DIR/|head -n 1)
        if [[ -n "$profile" ]]; then
            break # If we found a profile, use it.
        fi
    done < "$(list_networks $IFACE)"
    
    # If there's a profile, connect, else fail.
    if [[ -n "$profile" ]]; then
        netcfg2 $(basename $profile)
        exit $?
    else
        err "No network found"
        exit 1
    fi
}

if [[ $(id -u) -ne 0 ]]; then
    err "This script needs to be run with root priviledges"
    exit 1
fi
if [[ -z $1 ]]; then
    err "Please supply an interface to connect"
    exit 1
fi

wifi_auto $1