#!/usr/bin/perl -w -I/www/cgi-bin

use perlfunc;

$needsrun=nvram_get("nodeupgraded");

if ( ! $needsrun  ){
    print "Node not upgraded, exiting\n";
    exit 0;
}


#Prep some variables
$node = nvram_get("node");
$mac2 = mac2ip(get_mac(get_interface("wifi")), 0);
$dtdmac = mac2ip(get_mac(get_interface("lan")), 0);


foreach $config ("ap","client","mesh","mesh_ap","router")
{


    $cfg = ();
    $defaultcfg = ();

    open(TMPCONFFILE, ">/tmp/.${config}_setup") or die;

    foreach $line (`cat /etc/config.$config/_setup`)
    {
        next if $line =~ /^\s*#/;
        next if $line =~ /^\s*$/;
        $line =~ /^(\w+)\s*=\s*(.*)$/;
    
        $cfg{$1} = $2;
    }

    foreach $line (`cat /etc/config.$config/_setup.default`)
    {
        next if $line =~ /^\s*#/;
        next if $line =~ /^\s*$/;
        $line =~ s/<NODE>/$node/;
        $line =~ s/<MAC2>/$mac2/;
        $line =~ s/<DTDMAC>/$dtdmac/;
        $line =~ /^(\w+)\s*=\s*(.*)$/;
        $defaultcfg{$1} = $2;
    }

    foreach $variable( sort keys %defaultcfg )
    {
        if ( defined $cfg{$variable} )
        {
            print TMPCONFFILE "$variable = $cfg{$variable}\n";
        }
        else
        {
            print TMPCONFFILE "$variable = $defaultcfg{$variable}\n";
        }
    }

    # Specific settings for variables that are not in the default config but are added by the system
    foreach $variable( 'dmz_dhcp_end', 'dmz_dhcp_limit', 'dmz_dhcp_start', 'dmz_lan_ip', 'dmz_lan_mask', 'wifi_rxant', 'wifi_txant' )
    {
        if ( defined $cfg{$variable} )
        {
            print TMPCONFFILE "$variable = $cfg{$variable}\n";
        }
    }

    close (TMPCONFFILE);

    system ("mv /tmp/.${config}_setup /etc/config.$config/_setup");
    print "Updated mode: $config\n";
}

$LASTMODE=nvram_get('config');

#Commit the new combined config
system ("/usr/local/bin/node-setup -a $LASTMODE");
nvram_set("nodeupgraded","0");
print "Rebooting node";
system ("reboot");