#!/usr/bin/perl
use strict;
use warnings;

# Includes
use Date::Parse;
use URI::Encode qw(uri_encode);
use HTML::Entities;
use HTML::Strip;
use JSON;
use Sys::Syslog qw(:standard :macros);
use Capture::Tiny ':all';
use File::Temp;
use File::Spec;
use File::Basename;
use FindBin qw($Bin);
use lib $Bin;
use Fetch;

# Prototypes
sub readConfig($);
sub confDefault($;$);
sub readGlobalExcludes($);
sub readInputDir($);
sub customSearch($);
sub dateSearch();
sub stdSearch();
sub fetchURLs($);
sub parseHTML($);
sub parseJSON($);
sub parseNZB($);
sub badTor($);
sub seedCleanup($);
sub lowQualityTor($);
sub getHash($);
sub checkTORs();
sub checkSize();
sub resolveSecondary($);
sub resolveTrackers($);
sub chooseTORs();
sub splitTags($$$$);
sub findSE($);
sub initSources();
sub findProxy($$);
sub fetch($;$$);
sub phantomFetch($$);

# Constants
my $DAY_IN_SECS = 86400;

# Globals
my $CONFIG  = undef();
my $SOURCES = undef();
my $COOKIES = undef();
my $FETCH   = undef();
my $SCRIPT  = undef();

# Command line
my ($dir, $search) = @ARGV;
if (!defined($dir)) {
	die('Usage: ' . basename($0) . " input_directory [search_string]\n");
}

# Debug
my $DEBUG = 0;
if ($ENV{'DEBUG'}) {
	if ($ENV{'DEBUG'} =~ /(\d+)/) {
		$DEBUG = $1;
	} else {
		$DEBUG = 1;
	}
}

# Config and defaults
$CONFIG = readConfig($ENV{'CONF_FILE'});
confDefault('EXCLUDES_FILE', $ENV{'HOME'} . '/.findTorrent.exclude');
confDefault('TV_DIR',        `~/bin/video/mediaPath` . '/TV');
confDefault('PHANTOM_BIN',   '/usr/local/bin/phantomjs');
confDefault('UA',
	'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10) AppleWebKit/538.39.41 (KHTML, like Gecko) Version/8.0 Safari/538.39.41');
confDefault('PROTOCOL',         'https');
confDefault('SLEEP',            1);
confDefault('DELAY',            5);
confDefault('TIMEOUT',          15);
confDefault('ERR_DELAY',        $CONFIG->{'TIMEOUT'} * 2);
confDefault('ERR_RETRIES',      3);
confDefault('NEXT_EPISODES',    3);
confDefault('MIN_DAYS_BACK',    0);
confDefault('MAX_DAYS_BACK',    3);
confDefault('SYSLOG',           1);
confDefault('CUSTOM_SEARCH',    0);
confDefault('MIN_COUNT',        10);
confDefault('NZB_AGE_GOOD',     14);
confDefault('NZB_AGE_MAX',      180);
confDefault('MIN_SIZE',         100);
confDefault('HEVC_BONUS',       2.0);
confDefault('SIZE_BONUS',       5);
confDefault('SIZE_PENALTY',     $CONFIG->{'SIZE_BONUS'});
confDefault('TITLE_PENALTY',    $CONFIG->{'SIZE_BONUS'} / 2);
confDefault('MAX_SEEDS',        500);
confDefault('MAX_SEED_RATIO',   0.25);
confDefault('SEED_RATIO_COUNT', $CONFIG->{'MIN_COUNT'});
confDefault('TRACKER_LOOKUP',   1);
confDefault(
	'PHANTOM_CONFIG', "var system = require('system');
var page = require('webpage').create();
var resources = [];

page.open(system.args[1], function(status)
{
    console.log(resources[0].status);
    console.log(page.content);
    phantom.exit();
});

// Add responses for completed text/html resources
page.onResourceReceived = function(response) {
    if (response.stage !== 'end') return;
    if (response.headers.filter(function(header) {
        if (header.name == 'Content-Type' && header.value.indexOf('text/html') == 0) {
            return true;
        }
        return false;
    }).length > 0)
        resources.push(response);
};"
);

# Sanity checks
if (!exists($CONFIG->{'SOURCES'}) || ref($CONFIG->{'SOURCES'}) ne 'HASH' || scalar(keys(%{ $CONFIG->{'SOURCES'} })) < 1) {
	die("No sources configured\n");
}
if (!exists($CONFIG->{'TRACKERS'}) || ref($CONFIG->{'TRACKERS'}) ne 'ARRAY' || scalar(@{ $CONFIG->{'TRACKERS'} }) < 1) {
	warn("No trackers configured\n");
}

# Open the log if enabled
if ($CONFIG->{'SYSLOG'}) {
	openlog(basename($0), '', LOG_DAEMON);
}

# Read the torrent excludes list
$CONFIG->{'EXCLUDES'} = readGlobalExcludes($CONFIG->{'EXCLUDES_FILE'});

# Figure out what we're searching for
my $URLS    = undef();
my $CONTENT = undef();
my $SERIES  = readInputDir($dir);
my $OUTPUT  = undef();

# Setup our sources
$SOURCES = initSources();
$CONFIG->{'DELAY'} /= scalar(keys(%{$SOURCES})) / 2;

# Choose a search
$URLS = customSearch($search);
if (!$URLS) {
	$URLS = dateSearch();
}
if (!$URLS) {
	$URLS = stdSearch();
}
if (!defined($URLS) || ref($URLS) ne 'ARRAY' || scalar(@{$URLS}) < 1) {
	die('No search URLs: ' . $SERIES->{'name'} . "\n");
}

# Execute searches
$CONTENT = fetchURLs($URLS);
for (my $i = 0 ; $i < scalar(@{$CONTENT}) ; $i++) {
	if ($CONTENT->[$i] =~ /^\s*[\{\[]/) {
		my $tors = parseJSON($CONTENT->[$i]);
		if (defined($tors) && ref($tors) eq 'ARRAY') {
			push(@{ $SERIES->{'tors'} }, @{ $tors });
		}
	} else {
		my $tors = parseHTML($CONTENT->[$i]);
		if (defined($tors) && ref($tors) eq 'ARRAY') {
			push(@{ $SERIES->{'tors'} }, @{ $tors });
		}
	}
}

# Find the best source for each result set
checkTORs();
checkSize();
$OUTPUT = chooseTORs();
foreach my $url (@{$OUTPUT}) {
	print $url . "\n";
}

# Cleanup
if ($COOKIES) {
	unlink($COOKIES);
}
if ($SCRIPT) {
	unlink($SCRIPT);
}
if ($CONFIG->{'SYSLOG'}) {
	closelog();
}
exit(0);

sub readConfig($) {
	my ($file) = @_;
	my %config = ();

	# Deafult config path
	if (!defined($file) || length($file) < 1) {
		$file = $ENV{'HOME'} . '/.findTorrent.config';
	}

	# Config is *required*
	if (!defined($file) || !-r $file) {
		die('Unable to read config file: ' . $file . "\n");
	}

	# Read the config file
	my $fh;
	open($fh, '<', $file)
	  or die('Unable to open config file: ' . $file . ': ' . $! . "\n");
	while (<$fh>) {

		# Skip blank lines and comments
		if (/^\s*#/ || /^\s*$/) {
			next;
		}

		# Assume everything else is key = val pairs
		if (my ($key, $val) = $_ =~ /^\s*(\S[^\=]+)\=\>?\s*(\S.*)$/) {
			$key =~ s/^\s+//;
			$key =~ s/\s+$//;
			$val =~ s/^\s+//;
			$val =~ s/\s+$//;
			$config{$key} = $val;
			if ($DEBUG > 1) {
				print STDERR 'Adding config: ' . $key . ' => ' . $val . "\n";
			}
		} else {
			warn('Ignoring config line: ' . $_ . "\n");
		}
	}
	close($fh);

	# Re-parse a few config items
	if (exists($config{'TRACKERS'})) {
		my @trackers = ();
		foreach my $tracker (split(/\s*,\s*/, $config{'TRACKERS'})) {
			$tracker =~ s/^\s+//;
			$tracker =~ s/\s+$//;
			push(@trackers, $tracker);
		}
		$config{'TRACKERS'} = \@trackers;
	}
	if (exists($config{'SOURCES'})) {
		my %sources = ();
		foreach my $source (split(/\s*,\s*/, $config{'SOURCES'})) {
			$source =~ s/^\s+//;
			$source =~ s/\s+$//;
			$source = uc($source);
			$sources{$source} = 1;
		}
		$config{'SOURCES'} = \%sources;
	}

	return \%config;
}

sub confDefault($;$) {
	my ($name, $default) = @_;
	if (!$name) {
		return;
	}

	# Enviornment, config file, default, undef()
	if (defined($ENV{$name})) {
		$CONFIG->{$name} = $ENV{$name};
	} elsif (!defined($CONFIG->{$name})) {
		if (defined($default)) {
			$CONFIG->{$name} = $default;
		} else {
			$CONFIG->{$name} = undef();
		}
	}
}

sub readGlobalExcludes($) {
	my ($file) = @_;
	my %excludes = ();
	if (!$file || !-r $file) {
		warn('No excludes files available' . $file . "\n");
		return \%excludes;
	}

	my $fh;
	open($fh, '<', $file)
	  or die('Unable to open excludes file: ' . $file . ': ' . $! . "\n");
	while (<$fh>) {

		# Skip blank lines and comments
		if (/^\s*$/ || /^\s*#/) {
			next;
		}

		# Assume everything else is one BT hash/NZB GUID per line
		if (/^\s*(\w+)\s*$/) {
			my $hash = lc($1);
			if ($DEBUG > 1) {
				print STDERR 'Excluding hash: ' . $hash . "\n";
			}
			$excludes{$hash} = 1;
		} else {
			die('Invalid exclude line: ' . $_ . "\n");
		}
	}
	close($fh);

	return \%excludes;
}

# Find an input directory and read the local config
sub readInputDir($) {
	my ($path) = @_;
	my %series = (
		'path'                 => undef(),
		'name'                 => '',
		'path_name'            => '',
		'season'               => 0,
		'episodes'             => {},
		'exclude'              => '',
		'exclude_hash'         => {},
		'need'                 => [],
		'need_hash'            => {},
		'scan_now'             => 0,
		'source_excludes'      => '',
		'source_excludes_hash' => {},
		'season_done'          => 0,
		'search_name'          => 0,
		'search_by_date'       => 0,
		'no_quality_checks'    => 0,
		'more_number_formats'  => 0,
		'tors'                 => [],
		'tors_hash'            => {},
	);

	# Allow use of the raw series name
	if (!($path =~ /\//)) {
		$series{'name'} = $path;
		$series{'path'} = $CONFIG->{'TV_DIR'} . '/' . $path;
	} else {
		$series{'path'} = $path;
	}

	# Allow use of relative paths
	$series{'path'} = File::Spec->rel2abs($series{'path'});

	# Isolate the season from the path, if provided
	if ($series{'path'} =~ /\/Season\s+(\d+)\/?$/i) {
		$series{'season'} = $1;
		$series{'path'}   = dirname($series{'path'});
	}

	# Allow the series name to be overriden
	my $search_name = $series{'path'} . '/search_name';
	if (-e $search_name) {
		local ($/, *FH);
		open(FH, $search_name)
		  or die('Unable to read search_name for series: ' . $series{'name'} . ': ' . $! . "\n");
		my $text = <FH>;
		close(FH);
		if ($text =~ /^\s*(\S.*\S)\s*$/) {
			$series{'name'} = $1;
		} else {
			warn('Skipping invalid search_name for series: ' . $series{'name'} . ': ' . $text . "\n");
		}
	}

	# Final series name
	if (!$series{'name'}) {
		$series{'name'} = basename($series{'path'});
	}
	$series{'name'} =~ s/[\'\"\.]//g;
	$series{'path_name'} = $series{'name'};
	if ($DEBUG) {
		print STDERR 'Searching with series title: ' . $series{'name'} . "\n";
	}

	# Sanity check
	if ($DEBUG) {
		print STDERR 'Checking directory: ' . $series{'path'} . "\n";
	}
	if (!defined($series{'name'}) || $series{'name'} eq '') {
		die('Invalid series name: ' . $series{'path'} . "\n");
	}
	if (!-d $series{'path'}) {
		die('Invalid input directory: ' . $series{'path'} . "\n");
	}

	# If no explicit season is provided find the latest
	if (!$series{'season'}) {
		opendir(SERIES, $series{'path'})
		  or die("Unable to open series directory: ${!}\n");
		while (my $file = readdir(SERIES)) {
			if ($file =~ /^Season\s+(\d+)$/i) {
				if (!$series{'season'} || $series{'season'} < $1) {
					$series{'season'} = $1;
				}
			}
		}
		closedir(SERIES);
	}

	# Validate the season number
	if (!defined($series{'season'}) || $series{'season'} < 1) {
		die('Invalid season number: ' . $series{'name'} . ' => ' . $series{'season'} . "\n");
	}

	# Allow quality checks to be disabled
	if (-e $series{'path'} . '/no_quality_checks') {
		$series{'no_quality_checks'} = 1;
		if ($DEBUG) {
			print STDERR 'Searching with no quality checks: ' . $series{'name'} . "\n";
		}
	}

	# Allow use of more number formats
	if (-e $series{'path'} . '/more_number_formats') {
		$series{'more_number_formats'} = 1;
		if ($DEBUG) {
			print STDERR 'Searching with more number formats: ' . $series{'name'} . "\n";
		}
	}

	# Allow use of search_by_date
	if (-e $series{'path'} . '/search_by_date') {
		$series{'search_by_date'} = 1;
		if ($DEBUG) {
			print STDERR 'Searching by date: ' . $series{'name'} . "\n";
		}
	}

	# Read the search excludes file, if any
	if (-e $series{'path'} . '/excludes') {
		local $/ = undef;
		open(EX, $series{'path'} . '/excludes')
		  or die("Unable to open series excludes file: ${!}\n");
		my $ex = <EX>;
		close(EX);

		$ex =~ s/^\s+//;
		$ex =~ s/\s+$//;
		my @excludes = split(/\s*,\s*/, $ex);
		foreach my $ex (@excludes) {
			$series{'excludes_hash'}->{$ex} = 1;
			if (length($series{'exclude'})) {
				$series{'exclude'} .= ' ';
			}
			$series{'exclude'} .= '-"' . $ex . '"';
		}
		$series{'exclude'} = uri_encode(' ' . $series{'exclude'});
	}

	# Read the source excludes file, if any
	if (-e $series{'path'} . '/source_excludes') {
		local $/ = undef;
		open(EX, $series{'path'} . '/source_excludes')
		  or die("Unable to open series source_excludes file: ${!}\n");
		my $ex = <EX>;
		close(EX);

		my @excludes = split(/\s*,\s*/, $ex);
		foreach my $source (@excludes) {
			$source =~ s/[^\w\-]//g;
			$source = uc($source);
			if (defined($source) && $source ne '') {
				$series{'source_excludes_hash'}->{$source} = 1;
			}
		}
		$series{'source_excludes'} = join(',', keys(%{ $series{'source_excludes_hash'} }));
		if ($DEBUG) {
			print STDERR 'Source excludes: ' . $series{'source_excludes'} . "\n";
		}
	}

	# Get the last episode number
	opendir(SEASON, $series{'path'} . '/Season ' . $series{'season'})
	  or die("Unable to open season directory: ${!}\n");
	while (my $file = readdir(SEASON)) {

		# Skip support files
		if ($file =~ /\.(?:png|xml|jpg|gif|tbn|txt|nfo|torrent)\s*$/i) {
			next;
		}

		# Check for a season_done file
		if ($file eq 'season_done') {
			$series{'season_done'} = 1;
			next;
		}

		# Extract the episode number
		my ($num) = $file =~ /^\s*\.?(\d+)\s*\-\s*/i;
		if (defined($num)) {
			$num = int($num);
			if ($DEBUG) {
				print STDERR 'Found episode number: ' . $num . ' in file: ' . $file . "\n";
			}

			# Record it
			$series{'episodes'}->{$num} = 1;
		}
	}
	close(SEASON);

	# Assume we need any missing episodes, and the next few (unless season_done is set)
	my $highest = 0;
	if (scalar(keys(%{ $series{'episodes' }}))) {
		$highest = (sort { $b <=> $a } keys(%{ $series{'episodes'} }))[0];
	}
	for (my $i = 1 ; $i <= $highest ; $i++) {
		if (!$series{'episodes'}->{$i}) {
			push(@{ $series{'need'} }, $i);
		}

	}
	if (!$series{'season_done'}) {
		for (my $i = 1 ; $i <= $CONFIG->{'NEXT_EPISODES'} ; $i++) {
			push(@{ $series{'need'} }, $highest + $i);
		}
	}
	if ($DEBUG) {
		print STDERR 'Needed episodes: ' . join(', ', @{ $series{'need'} }) . "\n";
	}

	# Reverse the array for later matching
	foreach my $episode (@{ $series{'need'} }) {
		$series{'need_hash'}->{$episode} = 1;
	}

	# Log and return
	if ($CONFIG->{'SYSLOG'}) {
		syslog(LOG_NOTICE, $series{'name'});
	}
	return \%series;
}

sub customSearch($) {
	my ($search) = @_;
	if (!defined($search) || length($search) < 1) {
		return undef();
	}
	if ($DEBUG) {
		print STDERR 'Custom search: ' . $search . "\n";
	}

	my @urls = ();
	$CONFIG->{'CUSTOM_SEARCH'} = 1;

	# Create the relevent search strings
	foreach my $key (keys(%{$SOURCES})) {
		if (exists($SERIES->{'source_excludes_hash'}->{$key})) {
			next;
		}
		my $source = $SOURCES->{$key};
		push(@urls, $source->{'search_url'} . $search . $SERIES->{'exclude'} . $source->{'search_suffix'});
	}

	return \@urls;
}

sub dateSearch() {
	if (!$SERIES->{'search_by_date'}) {
		return undef();
	}

	my @urls = ();
	$CONFIG->{'CUSTOM_SEARCH'} = 1;

	# Read the find-by-date string
	local ($/, *FH);
	open(FH, $SERIES->{'path'} . '/search_by_date')
	  or die('Unable to read search_by_date for show: ' . $SERIES->{'name'} . ': ' . $! . "\n");
	my $text = <FH>;
	close(FH);
	if ($text =~ /^\s*(\S.*\S)\s*$/) {
		$SERIES->{'search_by_date_text'} = $1;
	} else {
		die('Skipping invalid search_by_date for show: ' . $SERIES->{'name'} . ': ' . $text . "\n");
	}

	# Create search strings for each date in the range, unless the related file already exists
	my (%years, %months, %days) = ();
	for (my $days_back = $CONFIG->{'MIN_DAYS_BACK'} ; $days_back <= $CONFIG->{'MAX_DAYS_BACK'} ; $days_back++) {

		# Calculate the date
		my (undef(), undef(), undef(), $day, $month, $year) = localtime(time() - ($DAY_IN_SECS * $days_back));

		# Format as strings
		$year  = sprintf('%04d', $year + 1900);
		$month = sprintf('%02d', $month + 1);
		$day   = sprintf('%02d', $day);

		# Check for an existing file
		my $exists = 0;
		{
			my $season_dir = $SERIES->{'path'} . '/Season ' . $year;
			my $prefix     = qr/${year}\-${month}\-${day}\s*\-\s*/;
			opendir(SEASON, $season_dir)
			  or die('Unable to open season directory (' . $season_dir . '): ' . $! . "\n");
			while (my $file = readdir(SEASON)) {
				if ($file =~ $prefix) {
					$exists = 1;
					last;
				}
			}
			closedir(SEASON);
		}
		if ($exists) {
			next;
		}

		# Save all the date string components
		$years{$year}   = 1;
		$months{$month} = 1;
		$days{$day}     = 1;

		# Create the relevent search strings
		my $search_str = $SERIES->{'search_by_date_text'};
		$search_str =~ s/%Y/${year}/g;
		$search_str =~ s/%m/${month}/g;
		$search_str =~ s/%d/${day}/g;
		foreach my $key (keys(%{$SOURCES})) {
			if (exists($SERIES->{'source_excludes_hash'}->{$key})) {
				next;
			}
			my $source = $SOURCES->{$key};
			push(@urls, $source->{'search_url'} . $search_str . $SERIES->{'exclude'} . $source->{'search_suffix'});
		}
	}

	# Build a date string matching regex
	my $str = '\b(?:' . join('|', keys(%years)) . ')\b';
	$str .= '.*';
	$str .= '\b(?:' . join('|', keys(%months)) . ')\b';
	$str .= '.*';
	$str .= '\b(?:' . join('|', keys(%days)) . ')\b';
	$CONFIG->{'CUSTOM_SEARCH'} = qr/${str}/;

	# Debug
	if ($DEBUG) {
		print STDERR 'Searching with date template: ' . $str . "\n";
	}

	return \@urls;
}

sub fetchURLs($) {
	my ($urls) = @_;
	my @output = ();

	foreach my $url (@{$urls}) {

		# Fetch the page
		my $errCount = 0;
		my $content  = '';
	  HTTP_ERR_LOOP: {
			my $code = 0;
			if ($DEBUG) {
				print STDERR 'Searching with URL: ' . $url . "\n";
			}

			# Fetch
			($content, $code) = fetch($url, 'primary.html');

			# Check for useful errors
			if ($code == 404) {
				if ($DEBUG) {
					print STDERR "Skipping content from 404 response\n";
				}
				next;
			}

			# Check for less useful errors
			if ($code != 200) {
				if ($code >= 500 && $code <= 599) {
					if ($errCount > $CONFIG->{'ERR_RETRIES'}) {
						print STDERR 'Unable to fetch URL: ' . $url . "\n";
						$errCount = 0;
						next;
					}
					if ($DEBUG) {
						print STDERR 'Retrying URL (' . $code . '): ' . $url . "\n";
					}
					$errCount++;
					sleep($CONFIG->{'ERR_DELAY'});
					redo HTTP_ERR_LOOP;
				} else {
					print STDERR 'Error fetching URL (' . $code . '): ' . $url . "\n";
				}
				next;
			}
		}

		# Save the content
		if ($DEBUG > 1) {
			print STDERR 'Fetched ' . length($content) . " bytes\n";
		}
		push(@output, scalar($content));
	}

	return \@output;
}

sub stdSearch() {
	my @urls = ();

	# Construct a URL-friendly show name
	{
		my $safe = $SERIES->{'name'};
		$safe =~ s/\s+\&\s+/ and /i;
		$safe =~ s/^\s*The\b//i;
		$safe =~ s/\s+\-\s+/ /g;
		$safe =~ s/[\'\:]//g;
		$safe =~ s/[^\w\"\-]+/ /g;
		$safe =~ s/^\s+//;
		$safe =~ s/\s+$//;
		$safe =~ s/\s\s+/ /g;
		$safe =~ s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
		$safe =~ s/\%20/\+/g;
		$SERIES->{'name_safe'} = $safe;
	}

	# Name variations
	$SERIES->{'name_variants'} = [ $SERIES->{'name_safe'} ];
	if ($SERIES->{'name_safe'} =~ /\+and\+/i) {
		my $safe = $SERIES->{'name_safe'};
		$safe =~ s/\+and\+/\+%26\+/ig;
		push(@{ $SERIES->{'name_variants'} }, $safe);
	}

	# Construct the URL for each title varient of each needed episode
	foreach my $urlShow (@{ $SERIES->{'name_variants'} }) {
		foreach my $episode (@{ $SERIES->{'need'} }) {
			my $episode_long = sprintf('%02d', $episode);
			if (!$SERIES->{'season_long'}) {
				$SERIES->{'season_long'} = sprintf('%02d', $SERIES->{'season'});
			}
			foreach my $key (keys(%{$SOURCES})) {
				my $source = $SOURCES->{$key};
				if (exists($SERIES->{'source_excludes_hash'}->{$key})) {
					next;
				}

				# Allow custom handling
				# Future APIs will *require* custom handling; the std process will be exposed as a sub
				if (defined($source->{'custom_search'}) && ref($source->{'custom_search'}) eq 'CODE') {
					$source->{'custom_search'}->(\@urls, $urlShow, $SERIES->{'season'}, $episode);
					next;
				}

				# Use quotes around the show name if the source needs them
				my $quote = '%22';
				if (!$source->{'quote'}) {
					$quote = '';
				}

				# Calculate the compete search prefix and suffix to simplify later concatenations
				my $prefix = $source->{'search_url'} . $quote . $urlShow . $quote;
				my $suffix = '';
				if ($source->{'search_exclude'}) {
					$suffix .= $SERIES->{'exclude'};
				}
				if ($source->{'search_suffix'}) {
					$suffix .= $source->{'search_suffix'};
				}

				# SXXEYY
				my $url = $prefix . '+s' . $SERIES->{'season_long'} . 'e' . $episode_long . $suffix;
				push(@urls, $url);

				# Extra searches for shows that have lazy/non-standard number formats
				if ($SERIES->{'more_number_formats'}) {

					# SXEY
					if ($SERIES->{'season_long'} ne $SERIES->{'season'} || $episode_long ne $episode) {
						$url = $prefix . '+s' . $SERIES->{'season'} . 'e' . $episode . $suffix;
						push(@urls, $url);
					}

					# SXX EYY
					$url = $prefix . '+s' . $SERIES->{'season_long'} . '+e' . $episode_long . $suffix;
					push(@urls, $url);

					# Season XX Episode YY
					$url = $prefix . '+season+' . $SERIES->{'season_long'} . '+episode+' . $episode_long . $suffix;
					push(@urls, $url);

					# Series X Episode Y
					$url = $prefix . '+series+' . $SERIES->{'season'} . '+episode+' . $episode . $suffix;
					push(@urls, $url);

					# SxEE
					$url = $prefix . '+' . $SERIES->{'season'} . 'x' . $episode_long . $suffix;
					push(@urls, $url);

					# Season X
					if ($SERIES->{'no_quality_checks'}) {
						$url = $prefix . '+Season+' . $SERIES->{'season'} . $suffix;
						push(@urls, $url);
					}
				}
			}
		}
	}

	return \@urls;
}

# Handle HTML content
sub parseHTML($) {
	my ($content) = @_;
	if (!defined($content) || length($content) < 1) {
		return undef();
	}
	my @tors = ();

	if ($content =~ /\<title\>The Pirate Bay/i) {

		# Find TR elements from TPB
		my @trs = splitTags($content, 'TR', 'TH', undef());
		foreach my $tr (@trs) {

			# Find the show title
			my ($title) = $tr =~ /title\=\"Details\s+for\s+([^\"]*)\"/i;
			if (!defined($title) || length($title) < 1) {
				if ($DEBUG) {
					print STDERR "Unable to find show title in TR\n\t" . $tr . "\n";
				}
				next;
			}
			$title =~ s/^\s+//;

			# Extract the season and episode numbers
			my ($fileSeason, $episode) = findSE($title);

			# Extract the URL
			my ($url) = $tr =~ /\<a\s+href\=\"(magnet\:\?[^\"]+)\"/i;
			if (!defined($url) || length($url) < 1) {
				if ($DEBUG) {
					print STDERR "Skipping TR with no magnet URL\n";
				}
				next;
			}
			$url = decode_entities($url);

			# Count the sum of seeders and leachers
			my $seeds   = 0;
			my $leaches = 0;
			if ($tr =~ /\<td(?:\s+[^\>]*)?\>(\d+)\<\/td\>\s*\<td(?:\s+[^\>]*)?\>(\d+)\<\/td\>\s*$/i) {
				$seeds   = $1;
				$leaches = $2;
			}

			# Extract the size (from separate column or inline)
			my $size = 0;
			my $unit = 'M';
			if ($tr =~ m/Size (\d+(?:\.\d+)?)\&nbsp\;(G|M)iB/) {
				$size = $1;
				$unit = $2;
			} elsif ($tr =~ m/(\d+(?:\.\d+)?)\&nbsp\;(G|M)iB\<\/[tT][dD]\>/) {
				$size = $1;
				$unit = $2;
			}
			if ($unit eq 'G') {
				$size *= 1024;
			}
			$size = int($size);

			if ($DEBUG) {
				print STDERR 'Found file (' . $title . '): ' . $url . "\n";
			}

			# Save the extracted data
			my %tor = (
				'title'   => $title,
				'season'  => $fileSeason,
				'episode' => $episode,
				'seeds'   => $seeds,
				'leaches' => $leaches,
				'size'    => $size,
				'url'     => $url,
				'source'  => 'TPB'
			);
			push(@tors, \%tor);
		}

	} elsif ($content =~ /\<title\>[^\<\>]*\bisoHunt\b[^\<\>]*\<\/title\>/i) {

		# Find each TR element from ISOHunt
		my @trs = splitTags($content, 'TR', 'TH', undef());
		foreach my $tr (@trs) {

			# Split each TD element from the row
			my @tds = split(/\<td(?:\s+[^\>]*)?\>/i, $tr);
			if (scalar(@tds) > 10 || scalar(@tds) < 9) {
				if ($tds[1] =~ /No results found/) {
					next;
				}
				print STDERR 'Skipping invalid ISO TR: ' . $tr . "\n";
				for (my $i = 0 ; $i < scalar(@tds) ; $i++) {
					print STDERR 'TD' . $i . ': ' . $tds[$i] . "\n";
				}
				next;
			}

			# Skip sponsored results
			if ($tds[1] =~ /\bSponsored\b/i) {
				if ($DEBUG > 1) {
					print STDERR "Skipping sponsored result\n";
				}
				next;
			}

			# Find the torrent ID and show title
			my ($id, $title) = $tds[2] =~ /\<a(?:\s+[^\>]*)?href=\"\/torrent_details\/(\d+\/[^\"]+)\"\>\<span\>([^\>]+)\<\/span\>/i;
			if (!defined($id) || length($id) < 1 || !defined($title) || length($title) < 1) {
				if ($DEBUG > 1) {
					print STDERR "Unable to find show ID or title in TD:\n\t" . $tds[2] . "\n";
				}
				next;
			}
			$title =~ s/^\s+//;

			# Extract the season and episode numbers
			my ($fileSeason, $episode) = findSE($title);

			# Extract the size
			my $size = 0;
			my $unit = 'M';
			if ($tds[6] =~ m/(\d+(?:\.\d+)?) (G|M)B<\/td\>/i) {
				$size = $1;
				$unit = $2;
			}
			if ($unit eq 'G') {
				$size *= 1024;
			}
			$size = int($size);

			# Count the sum of seeders and leachers
			my $seeds = 0;
			if ($tds[7] =~ /(\d+)\<\/td\>/i) {
				$seeds = $1;
			}
			my $leaches = 0;
			if ($tds[8] =~ /(\d+)\<\/td\>/i) {
				$leaches = $1;
			}

			# Build the detail page URL
			my $url = $SOURCES->{'ISO'}->{'protocol'} . '://' . $SOURCES->{'ISO'}->{'host'} . '/torrent_details/' . $id;

			if ($DEBUG) {
				print STDERR 'Found file (' . $title . '): ' . $url . "\n";
			}

			# Save the extracted data
			my %tor = (
				'title'   => $title,
				'season'  => $fileSeason,
				'episode' => $episode,
				'seeds'   => $seeds,
				'leaches' => $leaches,
				'size'    => $size,
				'url'     => $url,
				'source'  => 'ISO'
			);
			push(@tors, \%tor);
		}

	} elsif ($content =~ /Kickass\s*Torrents\<\/title\>/i) {

		# Find each TR element from Kickass
		my @trs = splitTags($content, 'TR', 'TH', undef());
		foreach my $tr (@trs) {

			# Split each TD element from the row
			my @tds = split(/\<td(?:\s+[^\>]*)?\>/i, $tr);
			if (scalar(@tds) != 6) {
				print STDERR "Invalid KICK TR:\n";
				for (my $i = 0 ; $i < scalar(@tds) ; $i++) {
					print STDERR 'TD' . $i . ': ' . $tds[$i] . "\n";
				}
				next;
			}

			# Skip empty results
			if (   $tds[1] =~ /\<h2\>Nothing found\!\<\/h2\>/i
				|| $tds[1] =~ /\<p\>\<strong\>Page not found\<\/strong\>\<\/p\>/i)
			{
				if ($DEBUG) {
					print STDERR "Skipping empty TD\n";
				}
				next;
			}

			# Find the torrent title
			my ($title) = $tds[1] =~ /\<a(?:\s+[^\>]*)?href\=\"[^\"]+\?title\=\[[^\]\"]+\]([^\"]+)\"/i;
			if (!defined($title) || length($title) < 1) {
				if ($DEBUG) {
					print STDERR "Unable to find torrent title in TD:\n\t" . $tds[1] . "\n";
				}
				next;
			}
			$title =~ s/^\s+//;

			# Find the torrent URL
			my ($url) = $tds[1] =~ /\<a(?:\s+[^\>]*)?href=\"(magnet:[^\"]+)\"/i;
			if (!defined($url) || length($url) < 1) {
				if ($DEBUG) {
					print STDERR "Unable to find torrent URL in TD:\n\t" . $tds[1] . "\n";
				}
				next;
			}
			$url = decode_entities($url);

			# Extract the season and episode numbers
			my ($fileSeason, $episode) = findSE($title);

			# Extract the size
			my $size = 0;
			my $unit = 'M';
			if ($tds[2] =~ m/(\d+(?:\.\d+)?)\s+\<span\>(G|M)B\<\/span\>\<\/td\>/i) {
				$size = $1;
				$unit = $2;
			}
			if ($unit eq 'G') {
				$size *= 1024;
			}
			$size = int($size);

			# Count the sum of seeders and leachers
			my $seeds = 0;
			if ($tds[4] =~ /(\d+)\<\/td\>/i) {
				$seeds = $1;
			}
			my $leaches = 0;
			if ($tds[5] =~ /(\d+)\<\/td\>/i) {
				$leaches = $1;
			}

			if ($DEBUG) {
				print STDERR 'Found file (' . $title . '): ' . $url . "\n";
			}

			# Save the extracted data
			my %tor = (
				'title'   => $title,
				'season'  => $fileSeason,
				'episode' => $episode,
				'seeds'   => $seeds,
				'leaches' => $leaches,
				'size'    => $size,
				'url'     => $url,
				'source'  => 'KICK'
			);
			push(@tors, \%tor);
		}

	} elsif ($content =~ /\<a(?:\s+[^\>]*)?\>Torrentz\<\/a\>/i) {

		# We'll need to strip HTML
		my $hs = HTML::Strip->new();

		# Find each DL element from Torrentz
		my @dls = splitTags($content, 'DL', undef(), undef());
		foreach my $dl (@dls) {

			# Skip ads
			if ($dl =~ /\s+rel\=\"nofollow/i) {
				next;
			}

			# Find the torrent title
			my ($hash, $title) = $dl =~ /\<a href\=\"\/(\w+)\">(.*)\<\/a\>/i;
			if (!defined($hash) || length($hash) < 1 || !defined($title) || length($title) < 1) {
				if ($DEBUG) {
					print STDERR "Unable to find torrent title in DL:\n\t" . $dl . "\n";
				}
				next;
			}
			$hash  = lc($hash);
			$title = $hs->parse($title);
			$hs->eof;
			$title =~ s/^\s+//;

			# Extract the season and episode numbers
			my ($fileSeason, $episode) = findSE($title);

			# Extract the size
			my $size = 0;
			if ($dl =~ /\<span class\=\"s\">(\d+(?:\.\d+)?) (G|M)B\<\/span\>/i) {
				$size = $1;
				if ($2 eq 'G') {
					$size *= 1024;
				}
				$size = int($size);
			}

			# Count the sum of seeders and leachers
			my $seeds = 0;
			if ($dl =~ /<span class\=\"u\">(\d+)\<\/span\>/i) {
				$seeds = $1;
			}
			my $leaches = 0;
			if ($dl =~ /<span class\=\"d\">(\d+)\<\/span\>/i) {
				$leaches = $1;
			}

			# Construct a magnet URL from the hash
			# Assume the seconary lookup will append a list of trackers
			my $url = 'magnet:?xt=urn:btih:' . $hash . '&dn=' . uri_encode($title, { 'encode_reserved' => 1 });

			if ($DEBUG) {
				print STDERR 'Found file (' . $title . '): ' . $url . "\n";
			}

			# Save the extracted data
			my %tor = (
				'title'   => $title,
				'season'  => $fileSeason,
				'episode' => $episode,
				'seeds'   => $seeds,
				'leaches' => $leaches,
				'size'    => $size,
				'url'     => $url,
				'source'  => 'Z'
			);
			push(@tors, \%tor);
		}

	} elsif ($content =~ /ExtraTorrent\.cc The World\'s Largest BitTorrent System\<\/title\>/i) {

		# Find TR elements from ET
		my @trs = splitTags($content, 'TR', undef(), 'magnet\:');
		foreach my $tr (@trs) {

			# Find the show title
			my ($title) = $tr =~ /title\=\"Download\s+([^\"]*)\s+torrent\"/i;
			if (!defined($title) || length($title) < 1) {
				if ($DEBUG) {
					print STDERR "Unable to find show title in TR\n\t" . $tr . "\n";
				}
				next;
			}
			$title =~ s/^\s+//;

			# Find the magnet URL
			my ($url) = $tr =~ /\<a\s+href=\"(magnet\:[^\"]+)\"/i;
			if (!defined($url) || length($url) < 1) {
				if ($DEBUG) {
					print STDERR "Skipping TR with no magnet URL\n";
				}
				next;
			}
			$url = decode_entities($url);

			# Extract the season and episode numbers
			my ($fileSeason, $episode) = findSE($title);

			# Count the sum of seeders and leachers
			my $seeds   = 0;
			my $leaches = 0;
			if ($tr =~ /\<td\s+class=\"sy\">(\d+)\<\/td\>/) {
				$seeds = $1;
			}
			if ($tr =~ /\<td\s+class=\"ly\">(\d+)\<\/td\>/) {
				$leaches = $1;
			}

			# Extract the size (from separate column or inline)
			my $size = 0;
			my $unit = 'M';
			if ($tr =~ /\<td\>(\d+(?:\.\d+)?)\&nbsp\;(G|M)B\<\/td\>/) {
				$size = $1;
				$unit = $2;
			}
			if ($unit eq 'G') {
				$size *= 1024;
			}
			$size = int($size);

			if ($DEBUG) {
				print STDERR 'Found file (' . $title . '): ' . $url . "\n";
			}

			# Save the extracted data
			my %tor = (
				'title'   => $title,
				'season'  => $fileSeason,
				'episode' => $episode,
				'seeds'   => $seeds,
				'leaches' => $leaches,
				'size'    => $size,
				'url'     => $url,
				'source'  => 'ET'
			);
			push(@tors, \%tor);
		}

	} elsif ($content =~ /\<title\>Sorry/) {
		if ($DEBUG) {
			print STDERR "ISO offline\n";
		}
	} elsif ($content =~ /Database\s+maintenance/i) {
		if ($DEBUG) {
			print STDERR "TPB offline\n";
		}
	} elsif ($content =~ /^\s*$/) {
		if ($DEBUG) {
			print STDERR "Source returned no content\n";
		}
	} elsif ($content =~ /limit\s*reached/i) {
		if ($DEBUG) {
			print STDERR "Source request limit reached\n";
		}
	} elsif ($content =~ /\(wrong\s+API\s+key\)/i) {
		if ($DEBUG) {
			print STDERR "IS API failure\n";
		}
	} elsif ($content =~ /Not\s+Found\<\/title\>/i) {
		if ($DEBUG) {
			print STDERR "No results\n";
		}
	} elsif ($content =~ /Error\s+404\<\/title\>/i) {
		if ($DEBUG) {
			print STDERR "Cloundflare offline\n";
		}
	} else {
		warn("Unknown HTML content:\n" . $content . "\n\n");
	}

	return \@tors;
}

# Handle JSON content
sub parseJSON($) {
	my ($content) = @_;
	if (!defined($content) || length($content) < 1) {
		return undef();
	}
	my @tors = ();

	my $json = eval { decode_json($content); };
	if (!defined($json) || !ref($json)) {
		warn('JSON parsing failure on: ' . $content . "\n");
		return undef();
	}

	if (ref($json) eq 'ARRAY' && scalar(@{$json}) == 0) {
		if ($DEBUG > 1) {
			print STDERR "Empty JSON array\n";
		}
	} elsif (ref($json) eq 'HASH'
		&& exists($json->{'channel'})
		&& ref($json->{'channel'}) eq 'HASH'
		&& exists($json->{'channel'}->{'title'})
		&& $json->{'channel'}->{'title'} =~ /usenet\-crawler/i)
	{
		print STDERR "Index: usenet-crawler\n";
	} elsif (ref($json) eq 'ARRAY'
		&& scalar(@{$json}) > 0
		&& ref($json->[0]) eq 'HASH'
		&& exists($json->[0]->{'guid'})
		&& exists($json->[0]->{'postdate'}))
	{
		foreach my $item (@{$json}) {
			my $tor = parseNZB($item);
			if ($tor) {
				$tor->{'source'} = 'IS';
				push(@tors, $tor);
			}
		}
	} elsif (ref($json) eq 'HASH' && exists($json->{'title'}) && $json->{'title'} =~ /NZBCat/i) {
		my $list = $json->{'item'};
		if (!$list || ref($list) ne 'ARRAY') {
			if ($DEBUG) {
				warn("Empty/invalid NCAT list\n");
			}
			return undef();
		}

		foreach my $item (@{$list}) {
			my $tor = parseNZB($item);
			if ($tor) {
				$tor->{'source'} = 'NCAT';
				push(@tors, $tor);
			}
		}
	} elsif (ref($json) eq 'HASH'
		&& exists($json->{'channel'})
		&& ref($json->{'channel'}) eq 'HASH'
		&& exists($json->{'channel'}->{'title'})
		&& $json->{'channel'}->{'title'} =~ /\bNzb\s+Planet\b/i)
	{
		if (!exists($json->{'channel'}->{'item'}) || ref($json->{'channel'}->{'item'}) ne 'ARRAY') {
			if ($DEBUG) {
				print STDERR "Empty/invalid NZB Planet result\n";
			}
			return undef();
		}
		foreach my $item (@{ $json->{'channel'}->{'item'} }) {
			my $tor = parseNZB($item);
			if ($tor) {
				$tor->{'source'} = 'PLANET';
				push(@tors, $tor);
			}
		}
	} else {
		print STDERR "Unknown JSON content:\n" . $content . "\n\n";
	}

	return \@tors;
}

sub parseNZB($) {
	my ($item) = @_;
	if (!$item || ref($item) ne 'HASH' || !exists($item->{'guid'})) {
		warn("Unable to parse NZB item\n");
		return undef();
	}

	# Ensure the record is sensible
	my $id = undef();
	if (ref($item->{'guid'}) eq 'HASH' && exists($item->{'guid'}->{'text'})) {
		$id = $item->{'guid'}->{'text'};
	} elsif (!ref($item->{'guid'})) {
		$id = $item->{'guid'};
	}
	if (!$id) {
		warn("Unable to parse NZB item GUID\n");
		return undef();
	}

	# NZB URL
	my $url = undef();
	if (exists($item->{'link'}) && $item->{'link'}) {
		$url = $item->{'link'};
		$url =~ s/^(https?)\:/$CONFIG->{'PROTOCOL'}\:/;
	} else {

		# Special case for IS, which leaks very little in its JSON results
		# Whatever consumes this will need to follow a 302 redirect
		$url = $SOURCES->{'IS'}->{'search_url'};
		$url =~ s/\?.*$//;
		$url .= '?t=get&id=' . $id . '&apikey=' . $CONFIG->{'IS_APIKEY'};
	}

	# Title
	my $title = undef();
	if (exists($item->{'searchname'}) && $item->{'searchname'}) {
		$title = $item->{'searchname'};
	} elsif (exists($item->{'name'}) && $item->{'name'}) {
		$title = $item->{'name'};
	} elsif (exists($item->{'title'}) && $item->{'title'}) {
		$title = $item->{'title'};
	} elsif (exists($item->{'description'}) && $item->{'description'}) {
		$title = $item->{'description'};
	}
	if ($title) {
		my $title_clean = $title;
		$title_clean =~ s/[\/\(\)]/_/g;
		$url .= '#' . uri_encode($title_clean);
	}

	# Extract the season and episode numbers
	my ($season, $episode) = findSE($title);

	# Size
	my $size = 0;
	if (exists($item->{'newznab:attr'}) && $item->{'newznab:attr'} && ref($item->{'newznab:attr'}) eq 'ARRAY') {
		foreach my $hash (@{ $item->{'newznab:attr'} }) {
			if (ref($hash) eq 'HASH' && exists($hash->{'_name'}) && exists($hash->{'_value'}) && $hash->{'_name'} eq 'size') {
				$size = int($hash->{'_value'} / 1024 / 1024);
				last;
			}
		}
	} elsif (exists($item->{'attr'}) && $item->{'attr'} && ref($item->{'attr'}) eq 'ARRAY') {
		foreach my $hash (@{ $item->{'attr'} }) {
			if (!exists($hash->{'@attributes'}) || ref($hash->{'@attributes'}) ne 'HASH') {
				next;
			}
			$hash = $hash->{'@attributes'};
			if (exists($hash->{'name'}) && $hash->{'name'} eq 'size' && exists($hash->{'value'})) {
				$size = int($hash->{'value'} / 1024 / 1024);
				last;
			}
		}
	} elsif (exists($item->{'size'})) {
		$size = int($item->{'size'} / 1024 / 1024);
	}

	# Date
	my $date = undef();
	if (exists($item->{'pubDate'}) && $item->{'pubDate'}) {
		$date = str2time($item->{'pubDate'});
	} elsif (exists($item->{'postdate'}) && $item->{'postdate'}) {
		$date = str2time($item->{'postdate'});
	}

	# Sanity checks
	if (!$url) {
		warn('No URL in NZB item: ' . $id . "\n");
		return undef();
	}
	if (!$title) {
		warn('No title in NZB item: ' . $id . "\n");
		return undef();
	}
	if (!$size) {
		warn('No size in NZB item: ' . $id . "\n");
		return undef();
	}

	if ($DEBUG) {
		print STDERR 'Found file (' . $title . '): ' . $url . "\n";
	}

	# Save the extracted data
	my %tor = (
		'title'   => $title,
		'season'  => $season,
		'episode' => $episode,
		'date'    => $date,
		'size'    => $size,
		'url'     => $url,
	);
	return \%tor;
}

sub badTor($) {
	my ($tor) = @_;

	# Pre-calculate the regex
	if (!$SERIES->{'name_regex'}) {
		my $clean = $SERIES->{'name'};
		$clean =~ s/[\"\']//g;
		$clean =~ s/[\W_]+/\[\\W_\].*/g;
		$SERIES->{'name_regex'} = qr/^${clean}[\W_]/i;
	}

	# Skip files that are in the torrent excludes list
	if ($tor->{'hash'} && $CONFIG->{'EXCLUDES'}->{ $tor->{'hash'} }) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Excluded hash (' . $tor->{'hash'} . '): ' . $tor->{'title'} . "\n";
		}
		return 1;
	}

	# Skip files that don't start with our show title
	if (!($tor->{'title'} =~ $SERIES->{'name_regex'})) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title does not match (' . $SERIES->{'name_regex'} . '): ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip leaked files
	} elsif ($tor->{'title'} =~ /leaked/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "leaked": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip pre-air files
	} elsif ($tor->{'title'} =~ /preair/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "preair": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip SWESUB files
	} elsif ($tor->{'title'} =~ /swesub/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "SWESUB": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip .rus. files
	} elsif ($tor->{'title'} =~ /\.rus\./i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains ".rus.": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip German files
	} elsif ($tor->{'title'} =~ /german/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "german": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip French files
	} elsif ($tor->{'title'} =~ /french/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "french": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip Spanish files
	} elsif ($tor->{'title'} =~ /Español/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "Español": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip Castellano files
	} elsif ($tor->{'title'} =~ /Castellano/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "Castellano": ' . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip unedited files
	} elsif ($tor->{'title'} =~ /unedited/i) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Title contains "unedited": ' . $tor->{'title'} . "\n";
		}
		return 1;
	}

	# If we're still around the TOR is good
	return 0;
}

sub seedCleanup($) {
	my ($tor) = @_;

	# Cap seeds/leaches/date and ensure they are always defined
	if (!exists($tor->{'seeds'}) || !$tor->{'seeds'}) {
		$tor->{'seeds'} = 0;
	}
	if ($tor->{'seeds'} > $CONFIG->{'MAX_SEEDS'}) {
		$tor->{'seeds'} = $CONFIG->{'MAX_SEEDS'};
	}
	if (!exists($tor->{'leaches'}) || !$tor->{'leaches'}) {
		$tor->{'leaches'} = 0;
	}
	if ($tor->{'leaches'} > $CONFIG->{'MAX_SEEDS'}) {
		$tor->{'leaches'} = $CONFIG->{'MAX_SEEDS'};
	}

	# Proxy publication date to seeder/leacher quality
	if ($tor->{'date'} && !$tor->{'seeds'}) {
		my $age = time() - $tor->{'date'};
		if ($age < -$DAY_IN_SECS) {
			warn('Invalid date (' . $tor->{'date'} . '): ' . $tor->{'title'} . "\n");
			$age = 0;
		}
		$age /= $DAY_IN_SECS;

		if ($age > $CONFIG->{'NZB_AGE_GOOD'}) {
			$tor->{'seeds'} = $CONFIG->{'MIN_COUNT'};
			if ($age > $CONFIG->{'NZB_AGE_MAX'}) {
				$tor->{'seeds'} = ($CONFIG->{'MIN_COUNT'} / 2) - 1;
			}
		} else {
			my $penalty = ($CONFIG->{'MAX_SEEDS'} / 2) / $CONFIG->{'NZB_AGE_GOOD'};
			$tor->{'seeds'} = $CONFIG->{'MAX_SEEDS'} - ($age * $penalty);
		}
		$tor->{'seeds'}   = int($tor->{'seeds'});
		$tor->{'leaches'} = $tor->{'seeds'};
	}
}

sub lowQualityTor($) {
	my ($tor) = @_;

	# Skip torrents with too few seeders/leachers
	if (($tor->{'seeds'} + $tor->{'leaches'}) * $SOURCES->{ $tor->{'source'} }->{'weight'} < $CONFIG->{'MIN_COUNT'}) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Insufficient seeder/leacher count ('
			  . $tor->{'seeds'} . '/'
			  . $tor->{'leaches'} . '): '
			  . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip torrents with unusual seed/leach ratios
	} elsif ($tor->{'seeds'} > 1
		&& $tor->{'seeds'} < $CONFIG->{'SEED_RATIO_COUNT'}
		&& $tor->{'seeds'} > $tor->{'leaches'} * $CONFIG->{'MAX_SEED_RATIO'})
	{
		if ($DEBUG) {
			print STDERR 'Skipping file: Unusual seeder/leacher ratio ('
			  . $tor->{'seeds'} . '/'
			  . $tor->{'leaches'} . '): '
			  . $tor->{'title'} . "\n";
		}
		return 1;

		# Skip torrents that are too small
	} elsif ($tor->{'size'} < $CONFIG->{'MIN_SIZE'}) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Insufficient size (' . $tor->{'size'} . ' MiB): ' . $tor->{'title'} . "\n";
		}
		return 1;
	}

	# If we're still around the TOR is good
	return 0;
}

sub getHash($) {
	my ($tor) = @_;
	my $url;

	# Allow either a URL or a tor hashref
	if (ref($tor) eq 'HASH') {
		if ($tor->{'hash'}) {
			return $tor->{'hash'};
		}
		$url = $tor->{'url'};
	} else {
		$url = $tor;
		undef($tor);
	}

	# Extract the BTIH hash or NZB ID, if available
	my $hash = undef();
	if ($url =~ /\bxt\=urn\:btih\:(\w+)/i) {
		$hash = lc($1);
	} elsif ($url =~ /\/getnzb\/(\w+)\.nzb\&/i) {
		$hash = lc($1);
	} elsif ($url =~ /\bt=get\b/i && $url =~ /\bid=(\w+)/) {
		$hash = lc($1);
	}

	# Save back to the tor, if provided
	if (defined($tor) && defined($hash)) {
		$tor->{'hash'} = lc($hash);
	}

	# Always return the hash, or undef() if none can be found
	return $hash;
}

# Save plausible results
sub checkTORs() {
	foreach my $tor (@{ $SERIES->{'tors'} }) {

		# Extract the BTIH/GUID, if available
		getHash($tor);

		# Skip bad TORs based on name/etc.
		if (badTor($tor)) {
			next;
		}

		# Skip files that contain a word from the series exclude list
		my $exclude = undef();
		foreach my $ex (keys(%{ $SERIES->{'exclude_hash'} })) {
			$ex = quotemeta($ex);
			if ($tor->{'title'} =~ m/${ex}/i) {
				$exclude = $ex;
				last;
			}
		}
		if (defined($exclude)) {
			if ($DEBUG) {
				print STDERR 'Skipping file: Title contains "' . $exclude . '": ' . $tor->{'title'} . "\n";
			}
			next;
		}

		# Enforce season and episode number matches for standard searches, or CUSTOM_SEARCH matching (if it's a regex)
		if (!$CONFIG->{'CUSTOM_SEARCH'}) {

			# Skip files that don't contain the right season number
			if (!defined($tor->{'season'}) || $tor->{'season'} != $SERIES->{'season'}) {
				if ($DEBUG) {
					print STDERR 'Skipping file: No match for season number ('
					  . $SERIES->{'season'} . '): '
					  . $tor->{'title'} . "\n";
				}
				next;

			 # Skip files that don't contain a needed episode number, unless there is no episode number and no_quality_checks is set
			} elsif ((defined($tor->{'episode'}) && !$SERIES->{'need_hash'}->{ $tor->{'episode'} })
				|| (!defined($tor->{'episode'}) && !$SERIES->{'no_quality_checks'}))
			{
				if ($DEBUG) {
					print STDERR 'Skipping file: No match for episode number ('
					  . $tor->{'episode'} . '): '
					  . $tor->{'title'} . "\n";
				}
				next;
			}
		} elsif (ref($CONFIG->{'CUSTOM_SEARCH'}) eq 'Regexp') {

			# Skip files that don't match the regex
			if (!($tor->{'title'} =~ $CONFIG->{'CUSTOM_SEARCH'})) {
				if ($DEBUG) {
					print STDERR 'Skipping file: No match for CUSTOM_SEARCH regex ('
					  . $CONFIG->{'CUSTOM_SEARCH'} . '): '
					  . $tor->{'title'} . "\n";
				}
				next;
			}
		}

		# Ensure the seed/leach count is usable
		seedCleanup($tor);

		# Only apply the quality rules if no_quality_checks is not in effect
		if (!$SERIES->{'no_quality_checks'} && lowQualityTor($tor)) {
			next;
		}

		# Save good torrents
		push(@{ $SERIES->{'tors_hash'}->{ $tor->{'episode'} } }, $tor);
		if ($DEBUG) {
			print STDERR 'Possible URL ('
			  . $tor->{'seeds'} . '/'
			  . $tor->{'leaches'}
			  . ' seeds/leaches, '
			  . $tor->{'size'}
			  . ' MiB): '
			  . $tor->{'title'} . "\n";
		}
	}
}

# Find the average size and adjust the availablilty counts for easily comparison
sub checkSize() {
	my %size = ();
	my %max  = ();
	my %avg  = ();

	foreach my $episode (keys(%{ $SERIES->{'tors_hash'} })) {
		my $count = 0;
		$avg{$episode} = 0.001;
		$max{$episode} = 0.001;
		foreach my $tor (@{ $SERIES->{'tors_hash'}->{$episode} }) {
			$count++;
			$avg{$episode} += $tor->{'size'};

			if ($tor->{'size'} > $max{$episode}) {
				$max{$episode} = $tor->{'size'};
			}
		}
		if ($count > 0) {
			$avg{$episode} /= $count;
		}
		if (!defined($max{$episode})) {
			warn("Invalid max episode\n");
		}
		if (!defined($avg{$episode})) {
			warn("Invalid avg episode\n");
		}
		$size{$episode} = ($max{$episode} + $avg{$episode}) / 2;

		if ($DEBUG) {
			print STDERR 'Episode '
			  . $episode
			  . ' max/avg/cmp size: '
			  . int($max{$episode}) . '/'
			  . int($avg{$episode}) . '/'
			  . int($size{$episode})
			  . " MiB\n";
		}
	}

	# Calculate an adjusted count based on the peer count, relative file size, and title contents
	foreach my $episode (keys(%{ $SERIES->{'tors_hash'} })) {
		foreach my $tor (@{ $SERIES->{'tors_hash'}->{$episode} }) {
			my $count = $tor->{'seeds'} + $tor->{'leaches'};

			# Start with the peer count
			$tor->{'adj_count'} = $count;

			# HVEC encoding gets a size bonus for efficency
			if ($tor->{'title'} =~ /HEVC/ || $tor->{'title'} =~ /x265/) {
				$tor->{'size'} *= $CONFIG->{'HEVC_BONUS'};
			}

			# Adjust based on file size
			{
				my $size_ratio = $tor->{'size'} / $size{$episode};
				if ($tor->{'size'} >= $size{$episode}) {
					$tor->{'adj_count'} *= $CONFIG->{'SIZE_BONUS'} * $size_ratio;
				} else {
					$tor->{'adj_count'} *= (1 / $CONFIG->{'SIZE_PENALTY'}) * $size_ratio;
				}
			}

			# Some titles suggest low quality
			if ($tor->{'title'} =~ /Subtitulado/i) {
				$tor->{'adj_count'} *= 1 / $CONFIG->{'TITLE_PENALTY'};
			}

			# Truncate to an integer
			$tor->{'adj_count'} = int($tor->{'adj_count'});

			if ($DEBUG) {
				print STDERR 'Possible URL (' . $tor->{'adj_count'} . ' size-adjusted sources): ' . $tor->{'url'} . "\n";
			}
		}
	}
}

# Resolve secondary URLs
sub resolveSecondary($) {
	my ($tor) = @_;

	# Fetch the torrent-specific page and extract the magent link
	if ($tor->{'source'} eq 'ISO') {
		my ($content, $code) = fetch($tor->{'url'}, 'secondary.html');
		if ($code != 200) {
			print STDERR 'Error fetching secondary URL: ' . $tor->{'url'} . "\n";
			goto OUT;
		}
		my ($magnet) = $content =~ /\<a\s+href\=\"(magnet\:\?[^\"]+)\"/i;
		if (!defined($magnet) || length($magnet) < 1) {
			if ($DEBUG) {
				print STDERR 'No secondary URL available from: ' . $tor->{'url'} . "\n";
			}
			goto OUT;
		}
		$tor->{'url'} = decode_entities($magnet);
	}

	# Extract the hash
	getHash($tor);
	if (!$tor->{'hash'} || $CONFIG->{'EXCLUDES'}->{ $tor->{'hash'} }) {
		if ($DEBUG) {
			print STDERR 'Skipping file: Excluded hash (' . $tor->{'hash'} . '): ' . $tor->{'title'} . "\n";
		}
		goto OUT;
	}

  OUT:
	return $tor->{'url'};
}

sub resolveTrackers($) {
	my ($url) = @_;

	# Always append a few static trackers to the URI
	if ($url =~ /^magnet\:/i) {
		foreach my $tracker (@{ $CONFIG->{'TRACKERS'} }) {
			my $arg = '&tr=' . uri_encode($tracker, { 'encode_reserved' => 1 });
			my $match = quotemeta($arg);
			if (!($url =~ /${match}/)) {
				$url .= $arg;
			}
		}
	}

	# Fetch a dynamic tracker list for any hashinfo from TorrentZ
	if ($CONFIG->{'TRACKER_LOOKUP'} && defined($SOURCES->{'Z'}) && $url =~ /^magnet\:/ && $url =~ /\bxt\=urn\:btih\:(\w+)/i) {
		my $hash    = lc($1);
		my $baseURL = $SOURCES->{'Z'}->{'protocol'} . '://' . $SOURCES->{'Z'}->{'host'};
		my $hashURL = $baseURL . '/' . $hash;
		my ($content, $code) = fetch($hashURL, 'hashinfo.html');
		if ($code != 200) {
			print STDERR 'Error fetching hashinfo URL: ' . $hashURL . "\n";
			return $url;
		}

		# Parse out and fetch the tracker list URL
		my ($list) = $content =~ /\<a rel\=\"nofollow\" href\=\"(\/announcelist_\d+)\"\>/;
		if (!defined($list)) {
			if ($DEBUG) {
				print STDERR 'Unable to find tracker list link at: ' . $hashURL . "\n";
			}
			return $url;
		}
		my $listURL = $baseURL . $list;
		($content, $code) = fetch($listURL, 'tracker.html');
		if ($code != 200) {
			print STDERR 'Error fetching tracker list URL: ' . $listURL . "\n";
			return $url;
		}

		# Parse the tracker list and append our URL
		foreach my $line ($content) {
			if ($line =~ /^\s*$/) {
				next;
			}
			$line =~ s/^\s+//;
			$line =~ s/\s+$//;
			if ($line =~ /^(?:http|udp)\:/i) {
				my $arg = '&tr=' . uri_encode($line, { 'encode_reserved' => 1 });
				my $match = quotemeta($arg);
				if (!($url =~ /${match}/)) {
					if ($DEBUG) {
						print STDERR 'Adding tracker: ' . $line . "\n";
					}
					$url .= $arg;
				}
			} else {
				print STDERR 'Unknown tracker type: ' . $line . "\n";
			}
		}
	}

	return $url;

}

# Pick the best-adjusted-count torrent for each episode
sub chooseTORs() {
	my %urls   = ();
	my @output = ();

	foreach my $episode (keys(%{ $SERIES->{'tors_hash'} })) {
		my @sorted = sort { $b->{'adj_count'} <=> $a->{'adj_count'} } @{ $SERIES->{'tors_hash'}->{$episode} };
		my $max = undef();
		foreach my $tor (@sorted) {
			if (!defined($max) || $tor->{'adj_count'} > $max) {
				if ($urls{$episode} = resolveSecondary($tor)) {
					if (!$tor->{'hash'} || $CONFIG->{'EXCLUDES'}->{ $tor->{'hash'} }) {
						print STDERR 'Double-skipping file: Excluded hash (' . $tor->{'hash'} . '): ' . $tor->{'title'} . "\n";
						next;
					}
					$max = $tor->{'adj_count'};
				}
				if ($DEBUG) {
					print STDERR 'Semi-final URL (adjusted count: ' . $tor->{'adj_count'} . '): ' . $tor->{'url'} . "\n";
				}
			} elsif ($DEBUG) {
				print STDERR 'Skipping for lesser adjusted count (' . $tor->{'adj_count'} . '): ' . $tor->{'url'} . "\n";
			}
		}
	}

	# Output
	foreach my $episode (keys(%{ $SERIES->{'tors_hash'} })) {
		if (defined($urls{$episode})) {
			$urls{$episode} = resolveTrackers($urls{$episode});
			push(@output, $urls{$episode});
			if ($CONFIG->{'SYSLOG'}) {
				syslog(LOG_NOTICE, $SERIES->{'name'} . ': ' . getHash($urls{$episode}));
			}
			if ($DEBUG) {
				print STDERR 'Final URL: ' . $urls{$episode} . "\n";
			}
		} elsif ($DEBUG) {
			print STDERR 'No URL for: ' . $episode . "\n";
		}
	}

	return \@output;
}

sub splitTags($$$$) {
	my ($content, $tag, $header, $match) = @_;

	# Find each tag element
	my @out = ();
	my @parts = split(/\<${tag}(?:\s+[^\>]*)?\>/i, $content);
	foreach my $part (@parts) {

		# Trim trailing tags and skip things that aren't complete tags
		if (!($part =~ s/\<\/${tag}\>.*$//is)) {
			if ($DEBUG > 2) {
				print STDERR 'Skipping non-tag line: ' . $part . "\n\n";
			}
			next;
		}

		# Skip headers
		if (defined($header) && $part =~ /<${header}(?:\s+[^\>]*)?\>/i) {
			if ($DEBUG > 2) {
				print STDERR 'Skipping header line: ' . $part . "\n\n";
			}
			next;
		}

		# Skip non-matches
		if (defined($match) && !($part =~ m/${match}/i)) {
			if ($DEBUG > 2) {
				print STDERR 'Skipping non-match line: ' . $part . "\n\n";
			}
			next;
		}

		# Save good tags
		push(@out, $part);
	}

	return @out;
}

# Extract season
sub findSE($) {
	my ($name)  = @_;
	my $season  = 0;
	my $episode = 0;

	my $seasonBlock = '';
	if ($name =~ /(?:\b|_)(20\d\d(?:\.|\-)[01]?\d(?:\.|\-)[0-3]?\d)(?:\b|_)/) {
		$seasonBlock = $1;
		my ($month, $day);
		($season, $month, $day) = $seasonBlock =~ /(20\d\d)(?:\.|\-)([01]?\d)(?:\.|\-)([0-3]?\d)/;
		$episode = sprintf('%04d-%02d-%02d', $season, $month, $day);
	} elsif ($name =~ /(?:\b|_)(S(?:eason)?[_\s\.\-]*\d{1,2}[_\s\.\-]*E(?:pisode)?[_\s\.]*\d{1,3}(?:E\d{1,3})?)(?:\b|_)/i) {
		$seasonBlock = $1;
		($season, $episode) = $seasonBlock =~ /S(?:eason)?[_\s\.\-]*(\d{1,2})[_\s\.\-]*E(?:pisode)?[_\s\.\-]*(\d{1,3})/i;
	} elsif ($name =~ /[\[\_\.](\d{1,2}x\d{2,3})[\]\_\.]/i) {
		$seasonBlock = $1;
		($season, $episode) = $seasonBlock =~ /(\d+)x(\d+)/i;
	} elsif ($name =~ /(?:\b|_)([01]?\d[_\s\.]?[0-3]\d)(?:\b|_)/i) {
		$seasonBlock = $1;
		($season, $episode) = $seasonBlock =~ /(?:\b|_)([01]?\d)[_\s\.]?([0-3]\d)/i;
	}

	# Return something valid and INTy or UNDEF
	if (!defined($seasonBlock) || $season < 1 || length($episode) < 1 || $episode eq '0') {
		if ($DEBUG) {
			print STDERR 'Could not find seasonBlock in: ' . $name . "\n";
		}
		$season  = undef();
		$episode = undef();
	} elsif ($episode =~ /^20\d{2}\-\d{2}\-\d{2}$/) {

		# Episode-by-date
		$season = int($season);
	} else {

		# Catchall
		# This will warn and return undef() (which is valid) on error
		$season  = int($season);
		$episode = int($episode);
	}
	return ($season, $episode);
}

sub initSources() {
	my %sources = ();

	# NZBplanet.net
	if ($CONFIG->{'SOURCES'}->{'PLANET'}) {
		my @proxies = ('api.nzbplanet.net/api');
		my $source = findProxy(\@proxies, '\bNzbplanet\b');
		if ($source && exists($CONFIG->{'PLANET_APIKEY'}) && $CONFIG->{'PLANET_APIKEY'}) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 0;
			$source->{'search_exclude'} = 0;
			$source->{'search_suffix'}  = '';
			$source->{'custom_search'}  = sub ($$$$) {
				my ($urls, $series, $season, $episode) = @_;
				my $url =
				    $source->{'search_url'}
				  . '?o=json&t=tvsearch&q='
				  . $series
				  . '&season='
				  . $season . '&ep='
				  . $episode
				  . '&apikey='
				  . $CONFIG->{'PLANET_APIKEY'};
				push(@{$urls}, $url);
			};
			$source->{'search_url'} .= '?o=json&apikey=' . $CONFIG->{'PLANET_APIKEY'} . '&t=search&q=';
			$sources{'PLANET'} = $source;
		}
	}

	# NZB.is
	if ($CONFIG->{'SOURCES'}->{'IS'}) {
		my @proxies = ('nzb.is/api');
		my $source = findProxy(\@proxies, '\bnzb\.is\b');
		if ($source && exists($CONFIG->{'IS_APIKEY'}) && $CONFIG->{'IS_APIKEY'}) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 0;
			$source->{'search_exclude'} = 0;
			$source->{'search_suffix'}  = '';
			$source->{'custom_search'}  = sub ($$$$) {
				my ($urls, $series, $season, $episode) = @_;
				my $url =
				    $source->{'search_url'}
				  . '?o=json&t=tvsearch&q='
				  . $series
				  . '&season='
				  . $season . '&ep='
				  . $episode
				  . '&apikey='
				  . $CONFIG->{'IS_APIKEY'};
				push(@{$urls}, $url);
			};
			$source->{'search_url'} .= '?o=json&apikey=' . $CONFIG->{'IS_APIKEY'} . '&t=search&q=';
			$sources{'IS'} = $source;
		}
	}

	# Usenet Crawler
	if ($CONFIG->{'SOURCES'}->{'UC'}) {
		my @proxies = ('www.usenet-crawler.com/api');
		my $source = findProxy(\@proxies, '\busenet-crawler\b');
		if ($source && exists($CONFIG->{'UC_APIKEY'}) && $CONFIG->{'UC_APIKEY'}) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 0;
			$source->{'search_exclude'} = 0;
			$source->{'search_suffix'}  = '';
			$source->{'custom_search'}  = sub ($$$$) {
				my ($urls, $series, $season, $episode) = @_;
				my $url =
				    $source->{'search_url'}
				  . '?o=json&t=tvsearch&q='
				  . $series
				  . '&season='
				  . $season . '&ep='
				  . $episode
				  . '&apikey='
				  . $CONFIG->{'UC_APIKEY'};
				push(@{$urls}, $url);
			};
			$source->{'search_url'} .= '?o=json&apikey=' . $CONFIG->{'UC_APIKEY'} . '&t=search&q=';
			$sources{'UC'} = $source;
		}
	}

	# NZB Cat
	if ($CONFIG->{'SOURCES'}->{'NCAT'}) {
		my @proxies = ('nzb.cat/api');
		my $source = findProxy(\@proxies, '\bforgottenpassword\b');
		if ($source && exists($CONFIG->{'NCAT_APIKEY'}) && $CONFIG->{'NCAT_APIKEY'}) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 0;
			$source->{'search_exclude'} = 0;
			$source->{'search_suffix'}  = '';
			$source->{'custom_search'}  = sub ($$$$) {
				my ($urls, $series, $season, $episode) = @_;
				my $url =
				    $source->{'search_url'}
				  . '?o=json&t=tvsearch&q='
				  . $series
				  . '&season='
				  . $season . '&ep='
				  . $episode
				  . '&apikey='
				  . $CONFIG->{'NCAT_APIKEY'};
				push(@{$urls}, $url);
			};
			$source->{'search_url'} .= '?o=json&apikey=' . $CONFIG->{'NCAT_APIKEY'} . '&t=search&q=';
			$sources{'NCAT'} = $source;
		}
	}

	# The Pirate Bay
	if ($CONFIG->{'SOURCES'}->{'TPB'}) {
		my @proxies = ('piratebay.party/search/', 'ahoytpb.art/s/', 'tpbpirate.org/s/');
		my $source = findProxy(\@proxies, '\bPirate Search\b');
		if ($source) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 0;
			$source->{'search_exclude'} = 1;
			$source->{'search_suffix'}  = '/0/7/0';
			$sources{'TPB'}             = $source;
		}
	}

	# ISOhunt
	if ($CONFIG->{'SOURCES'}->{'ISO'}) {
		my @proxies = ('isohunt.to/torrents/?ihq=', 'isohunters.net/torrents/?ihq=');
		my $source = findProxy(\@proxies, 'Last\s+\d+\s+files\s+indexed');
		if ($source) {
			$source->{'weight'}         = 0.75;
			$source->{'quote'}          = 1;
			$source->{'search_exclude'} = 1;
			$source->{'search_suffix'}  = '';
			$sources{'ISO'}             = $source;
		}
	}

	# Kickass
	if ($CONFIG->{'SOURCES'}->{'KICK'}) {
		my @proxies = ('kickass.cd/search.php?q=', 'kickass.mx/search.php?q=');
		my $source = findProxy(\@proxies, '/search.php');
		if ($source) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 1;
			$source->{'search_exclude'} = 1;
			$source->{'search_suffix'}  = '/';
			$sources{'KICK'}            = $source;
		}
	}

	# Torrentz
	if ($CONFIG->{'SOURCES'}->{'Z'}) {
		my @proxies = ('torrentz.eu/search?q=', 'torrentz.me/search?q=', 'torrentz.ch/search?q=', 'torrentz.in/search?q=');
		my $source = findProxy(\@proxies, 'Indexing [\d\,]+ active torrents');
		if ($source) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 1;
			$source->{'search_exclude'} = 1;
			$source->{'search_suffix'}  = '';
			if (!$SERIES->{'no_quality_checks'}) {
				$source->{'search_suffix'} = '+peer+%3E+' . $CONFIG->{'MIN_COUNT'};
			}
			$sources{'Z'} = $source;
		}
	}

	# ExtraTorrent
	if ($CONFIG->{'SOURCES'}->{'ET'}) {
		my @proxies = (
			'extra.to/search/?search=',    'etmirror.com/search/?search=',
			'etproxy.com/search/?search=', 'extratorrentlive.com/search/?search='
		);
		my $source = findProxy(\@proxies, '/search/');
		if ($source) {
			$source->{'weight'}         = 1.00;
			$source->{'quote'}          = 1;
			$source->{'search_exclude'} = 0;
			$source->{'search_suffix'}  = '&new=1&x=0&y=0&srt=seeds&order=desc';
			$source->{'search_url'}     = 'phantomjs:' . $source->{'search_url'};
			$sources{'ET'}              = $source;
		}
	}

	# Sanity check
	if (scalar(keys(%sources)) < 1) {
		die("No sources available\n");
	}

	return \%sources;
}

sub findProxy($$) {
	my ($proxies, $match) = @_;

	# Automatically select a proxy
	my $host       = '';
	my $protocol   = '';
	my $search_url = '';
	foreach my $url (@{$proxies}) {
		my $path;
		($protocol, $host, $path) = $url =~ /^(?:(https?)\:\/\/)?([^\/]+)(\/.*)?$/i;
		if (!$protocol) {
			$protocol = $CONFIG->{'PROTOCOL'};
		}
		if (!$host) {
			print STDERR 'Could not parse proxy URL: ' . $url . "\n";
			next;
		}
		my ($content, $code) = fetch($protocol . '://' . $host, undef(), 1);
		if ($code == 200 && $content =~ m/${match}/i) {
			$search_url = $protocol . '://' . $host . $path;
			last;
		} elsif ($DEBUG) {
			print STDERR 'Proxy not available: ' . $host . "\n";
			if ($DEBUG > 1) {
				print STDERR $content . "\n";
			}
		}
	}

	# Return the search data if at least one proxy is up
	if ($search_url) {
		my %tmp = (
			'protocol'   => $protocol,
			'host'       => $host,
			'search_url' => $search_url,
		);
		return \%tmp;
	}

	# Return undef if we didn't find any working proxies
	return undef();
}

sub fetch($;$$) {
	my ($url, $file, $nocheck) = @_;
	if ($DEBUG > 1) {
		print STDERR 'Fetch: ' . $url . "\n";
	}

	# Allow usage with short names
	if ($file && !($file =~ /^\//)) {
		$file = '/tmp/findTorrent-' . $file;
	}

	# Random delay
	if ($DEBUG > 1) {
		sleep($CONFIG->{'SLEEP'} * 0.25);
	} else {
		sleep($CONFIG->{'DELAY'} * (rand($CONFIG->{'SLEEP'}) + ($CONFIG->{'SLEEP'} / 2)));
	}

	# Allow JS processing
	if ($url =~ /^phantomjs\:\s*(\S.*)$/i) {
		return phantomFetch($1, $file);
	}

	# Fetch object
	if (!$FETCH) {
		if (!$COOKIES) {
			$COOKIES = mktemp('/tmp/findTorrent.cookies.XXXXXXXX');
		}
		$FETCH = Fetch->new(
			'cookiefile' => $COOKIES,
			'timeout'    => $CONFIG->{'TIMEOUT'},
			'uas'        => $CONFIG->{'UA'}
		);
	}

	# Debug as requested
	if ($DEBUG > 1 && $file) {
		$FETCH->file($file);
	} else {
		$FETCH->file('');
	}

	# Standard fetch
	$FETCH->url($url);
	if ($nocheck) {
		$FETCH->fetch('nocheck' => 1);
	} else {
		$FETCH->fetch();
	}
	return (scalar($FETCH->content()), $FETCH->status_code());
}

sub phantomFetch($$) {
	my ($url, $file) = @_;

	# Init
	if (!$SCRIPT) {
		$SCRIPT = mktemp('/tmp/findTorrent.phantom.XXXXXXXX');
		open(my $fh, '>', $SCRIPT)
		  or die('Unable to open PhantomJS script file: ' . $! . "\n");
		print $fh $CONFIG->{'PHANTOM_CONFIG'};
		close($fh);
	}

	# Capture STDOUT, drop STDERR
	my @cmd = ($CONFIG->{'PHANTOM_BIN'}, $SCRIPT, $url);
	my ($content, undef(), undef()) = capture { system(@cmd); };

	# Debug as requested
	if ($DEBUG > 1 && $file) {
		open(my $fh, '>', $file)
		  or warn('Unable to open phantom debug file: ' . $! . "\n");
		if ($fh) {
			print $fh $content;
			close($fh);
		}
	}

	# Try to get the response status code, fake one if we cannot
	my ($code) = $content =~ /^(\d\d\d)$/m;
	if (!defined($code)) {
		warn("Unable to retrive HTTP status code. Faking success...\n");
		$code = 200;
	}

	return ($content, $code);
}