#!/usr/bin/perl -w

use strict;

use Cwd qw/abs_path/;
use File::Temp qw/tempdir/;
use Data::Dumper;
use lib './lib';

use WebPAC::Lookup;
use WebPAC::Input::ISIS;
use WebPAC::Store 0.03;
use WebPAC::Normalize::XML;
use WebPAC::Output::TT;
use WebPAC::Output::Estraier 0.02;
use YAML qw/LoadFile/;
use LWP::Simple;

my $limit = shift @ARGV;

my $config = LoadFile('conf/config.yml');

print "config = ",Dumper($config);

die "no databases in config file!\n" unless ($config->{databases});

my $total_rows = 0;

while (my ($database, $db_config) = each %{ $config->{databases} }) {

	my $abs_path = abs_path($0);
	$abs_path =~ s#/[^/]*$#/#;

	my $db_path = $config->{webpac}->{db_path} . '/' . $database;

	my $db = new WebPAC::Store(
		path => $db_path,
		database => $database,
		debug => 1,
	);

	my $log = $db->_get_logger;
	$log->info("working on $database in $db_path");

	my $est_config = $config->{hyperestraier} || $log->logdie("can't find 'hyperestraier' part in confguration");
	$est_config->{database} = $database;

	$log->info("using HyperEstraier URL $est_config->{masterurl}");

	my $est = new WebPAC::Output::Estraier(
		%{ $est_config },
	);

	#
	# now, iterate through input formats
	#

	my @inputs;
	if (ref($db_config->{input}) eq 'ARRAY') {
		@inputs = @{ $db_config->{input} };
	} else {
		push @inputs, $db_config->{input};
	}

	foreach my $input (@inputs) {

		my $type = lc($input->{type});

		die "I know only how to handle input type isis, not '$type'!\n" unless ($type eq 'isis');

		my $lookup = new WebPAC::Lookup(
			lookup_file => $input->{lookup},
		);

		$log->info("working on input $input->{path} [$input->{type}]");

		my $isis = new WebPAC::Input::ISIS(
			code_page => $config->{webpac}->{webpac_encoding},
			limit_mfn => $input->{limit},
			lookup => $lookup,
		);

		my $maxmfn = $isis->open(
			filename => $input->{path},
			code_page => $input->{encoding},	# database encoding
		);

$log->info( Dumper($lookup->{_lookup_data}) );

		my $n = new WebPAC::Normalize::XML(
		#	filter => { 'foo' => sub { shift } },
			db => $db,
			lookup_regex => $lookup->regex,
			lookup => $lookup,
			prefix => $input->{name},
		);

		$n->open(
			tag => $input->{normalize}->{tag},
			xml_file => $input->{normalize}->{path},
		);

		for ( 0 ... $isis->size ) {

			my $row = $isis->fetch || next;

			my $mfn = $row->{'000'}->[0] || die "can't find MFN";

			my $ds = $n->data_structure($row);

			$est->add(
				id => $input->{name} . "#" . $mfn,
				ds => $ds,
				type => $config->{hyperestraier}->{type},
			);

			$total_rows++;
		}

	};

	$log->info("$total_rows records indexed");
}

