#!/usr/bin/perl

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

use Test::More;

BEGIN {
        use_ok('Koha::SuggestionEngine');
}

my $plugindir = File::Spec->rel2abs('Koha/SuggestionEngine/Plugin');

opendir(my $dh, $plugindir);
my @installed_plugins = map { ( /\.pm$/ && -f "$plugindir/$_" && s/\.pm$// ) ? "Koha::SuggestionEngine::Plugin::$_" : () } readdir($dh);
my @available_plugins = Koha::SuggestionEngine::AvailablePlugins();

foreach my $plugin (@installed_plugins) {
    ok(grep($plugin, @available_plugins), "Found plugin $plugin");
}

my $suggestor = Koha::SuggestionEngine->new( { plugins => ( 'ABCD::EFGH::IJKL' ) } );

is(ref($suggestor), 'Koha::SuggestionEngine', 'Created suggestion engine with invalid plugin');
is(scalar @{ $suggestor->get_suggestions({ 'search' => 'books' }) }, 0 , 'Request suggestions with empty suggestor');

$suggestor = Koha::SuggestionEngine->new( { plugins => ( 'Null' ) } );
is(ref($suggestor->plugins->[0]), 'Koha::SuggestionEngine::Plugin::Null', 'Created record suggestor with implicitly scoped Null filter');

$suggestor = Koha::SuggestionEngine->new( { plugins => ( 'Koha::SuggestionEngine::Plugin::Null' ) } );
is(ref($suggestor->plugins->[0]), 'Koha::SuggestionEngine::Plugin::Null', 'Created record suggestor with explicitly scoped Null filter');

my $suggestions = $suggestor->get_suggestions({ 'search' => 'books' });

is_deeply($suggestions->[0], { 'search' => 'book', label => 'Book!', relevance => 1 }, "Good suggestion");

$suggestions = $suggestor->get_suggestions({ 'search' => 'silliness' });

eval {
    $suggestor = Koha::SuggestionEngine->new( { plugins => ( 'Koha::SuggestionEngine::Plugin::Null' ) } );
    undef $suggestor;
};
ok(!$@, 'Destroyed suggestor successfully');

done_testing();