#!/usr/bin/perl
#
# Find contacts searching within a .vcf file
# (c) 2017 Daniel Lange, Faster IT GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# DL170203 Initial version
# DL170209 Improve semicolon removals, open source under the MIT license
#

use File::Basename;
use File::Spec;
use strict;
use warnings;

my ($execname,$contacts_file)  = fileparse($0);
$contacts_file = File::Spec->catfile(File::Spec->rel2abs($contacts_file), "contacts.vcf");
my $delimiter     = "END:VCARD\n";
my $hit           = 0;
my $match         = 0;
my $numargs       = $#ARGV + 1;

if ($numargs == 0) {
	print "Findcontact in vcf file (using $contacts_file).\n";
	print "Usage: $execname <regex1> <regex2> ...\n";
	exit 1;
}

open(DAT,"$contacts_file") || die("Fatal: Cannot open $contacts_file file");
	my @file = <DAT>;
close(DAT);

my $vcfs = join('',@file);
my @vcfs = split(/$delimiter/,$vcfs);

foreach my $vcf (@vcfs)
{
	$match = 0;
	foreach my $argv (@ARGV) {
		if ($vcf =~ /$argv/i) {	$match++; }
	}
	if ($match == $numargs) {
		if ($hit > 0) { print "\n"; }
		$_ = $vcf;
		# clean cruft
		$_ =~ s/BEGIN:VCARD\n//;
		$_ =~ s/VERSION:.*?\n//;
		$_ =~ s/PRODID:.*?\n//;
		$_ =~ s/PHOTO[:;].*?\n//;
		$_ =~ s/UID:.*?\n//;
		$_ =~ s/X-RADICALE-NAME:.*?\n//;
		$_ =~ s/;+/;/g;
		$_ =~ s/;\n/\n/g;
		$_ =~ s/:;/:/g;
		print "$_";
		$hit++
	}
}

if ($hit > 0) { print "\n"; }
print "Found $hit in " . scalar @vcfs . " records.\n";

exit;