#!/usr/bin/perl
#
# Author: Alain Schroeder
# Date:   2005-07-09
# Modified by Petter Reinholdtsen 2005-07-15


use strict;

my %table;
my $foundentry = 0;
my $ignorecount = 0;
my $debug = 0;

open (PACKAGES, '< packages') or
    die ("packages not found. please run get-packages.sh first\n");

while (<PACKAGES>) {
    chomp;
    $table{$_} = "1";
}
close PACKAGES;

# Truncate timestamps to the start of the day, to avoid giving out
# timezone information.
sub fuzzy_timestamp {
    my $timestamp = shift;
    return 86400 * int($timestamp / 86400);
}

while (my $line = <STDIN>) {
    
    if ($line =~ m/^POPULARITY-CONTEST-0/i) {
	$foundentry = 1;
	$ignorecount = 0;
	$line =~ s/\b(TIME:)(\d+)\b/sprintf("%s%s", $1,fuzzy_timestamp($2))/e;
    } elsif ($line =~ m/^END-POPULARITY-CONTEST-0/i) {
	$foundentry = 0;
	print "# Ignored $ignorecount entries\n";
	$line =~ s/\b(TIME:)(\d+)\b/sprintf("%s%s", $1,fuzzy_timestamp($2))/e;
    } elsif ($line =~ m/^\d+ \d+ (\S*).*/i && !exists $table{$1}) {
	print STDERR "Ignoring package $1\n" if $debug;
	$ignorecount++;
	next;
    } elsif ($line =~ m/^(\d+) (\d+) (\S+) (.+)$/i && exists $table{$3}) {
	# Package entry
	$line = sprintf("%d %d %s %s\n", fuzzy_timestamp($1),
			fuzzy_timestamp($2), $3, $4);
    }
    print $line;
}