#!/usr/bin/perl

use strict;
use DBI;
use vars qw($PID $DB_USER $DB_PASS);
require 'dbi.ph';

sub trim($) {
        my ($str) = shift;

        $str //= '';

        $str =~ s/^\s+//g;
        $str =~ s/\s+$//g;

        return $str;
}

if (scalar @ARGV != 1) {
        print "usage: $0 <input file>\n";
        exit(1);
}

my $dsn = "DBI:mysql:database=noc";

my $dbh = DBI->connect($dsn, $DB_USER, $DB_PASS, {PrintError => 0})
    or die "ERROR: Failed to connect to the database.";

open(IN, $ARGV[0])
    or die "ERROR: Failed to open $ARGV[0] for reading.";

my @contents = <IN>;
close(IN);
for (my $i = 1 ; $i < scalar(@contents) ; $i++) {
        my $line = $contents[$i];
        chomp $line;
        my ($serial, $pid, $mac, $ports) = split(/,/, $line);
        $mac    = trim($mac);
        $serial = trim($serial);
        $pid    = trim($pid);
        $ports  = trim($ports);
        if ($mac ne '') {
                my @mac_parts = ($mac =~ /../g);
                $mac = lc(join(':', @mac_parts));
        }

        if ($serial ne '') {
                my $query =
                    'REPLACE INTO DEVICE_MAP (serial_number, pid, mac, max_ports) VALUES (?, ?, ?, ?)';
                my $sth = $dbh->prepare($query);
                $serial = uc $serial;
                if (!$sth) {
                        print STDERR "Failed to insert switch record: "
                            . $dbh->errstr . "\n";
                        next;
                }

                my @params = ($serial, $pid, $mac, $ports);
                my $res = $sth->execute(@params);
                if (!$res) {
                        print STDERR "Failed to insert switch record: "
                            . $dbh->errstr . "\n";
                        next;
                }
        }
}