use strict;
use Wiki::Toolkit::Plugin::Locator::Grid; # use directly to help debug
use Wiki::Toolkit::Setup::SQLite;
use OpenGuides::Config;
use OpenGuides::Search;
use OpenGuides::Test;
use Test::More;

eval { require DBD::SQLite; };
if ( $@ ) {
    my ($error) = $@ =~ /^(.*?)\n/;
    plan skip_all => "DBD::SQLite could not be used - no database to test with. ($error)";
}

eval { require Plucene; };
if ( $@ ) {
    plan skip_all => "Plucene not installed";
}


plan tests => 9;

# Clear out the database from any previous runs.
OpenGuides::Test::refresh_db();

my $config = OpenGuides::Config->new(
       vars => {
                 dbtype             => "sqlite",
                 dbname             => "t/node.db",
                 indexing_directory => "t/indexes",
                 script_name        => "wiki.cgi",
                 script_url         => "http://example.com/",
                 site_name          => "Test Site",
                 template_path      => "./templates",
                 use_plucene        => 1,
                 geo_handler        => 1,
           }
);
my $search = OpenGuides::Search->new( config => $config );
my $guide = OpenGuides->new( config => $config );

# Write some data.
OpenGuides::Test->write_data(
                              guide      => $guide,
                              node       => "Crabtree Tavern",
                              os_x       => 523465,
                              os_y       => 177490,
                              categories => "Pubs",
                            );

OpenGuides::Test->write_data(
                              guide      => $guide,
                              node       => "Blue Anchor",
                              os_x       => 522909,
                              os_y       => 178232,
                              categories => "Pubs",
                            );

OpenGuides::Test->write_data(
                              guide      => $guide,
                              node       => "Star Tavern",
                              os_x       => 528107,
                              os_y       => 179347,
                              categories => "Pubs",
                            );

OpenGuides::Test->write_data(
                              guide      => $guide,
                              node       => "Hammersmith Bridge",
                              os_x       => 522983,
                              os_y       => 178118,
                            );

# Sanity check.
print "# Distances should be:\n";
my $locator = Wiki::Toolkit::Plugin::Locator::Grid->new(x => "os_x", y => "os_y");
my $wiki = $guide->wiki;
$wiki->register_plugin( plugin => $locator );
foreach my $node ( "Blue Anchor", "Crabtree Tavern", "Hammersmith Bridge"){
    print "# $node: " . $locator->distance( from_x  => 523450,
                                            from_y  => 177650,
                                            to_node => $node ) . "\n";
}

# Check that a lat/long distance search finds them.
my %tt_vars = $search->run(
                            return_tt_vars => 1,
                            vars => {
                                      latitude     => 51.484320,
                                      longitude    => -0.223484,
                                      latlong_dist => 1000,
                                    },
                          );
my @ordered = map { $_->{name} } @{ $tt_vars{results} || [] };
my @found = sort @ordered;
is_deeply( \@found,
           [ "Blue Anchor", "Crabtree Tavern", "Hammersmith Bridge" ],
           "distance search finds the right things" );
is_deeply( \@ordered,
           [ "Crabtree Tavern", "Hammersmith Bridge", "Blue Anchor" ],
           "...and returns them in the right order" );
my $output = $search->run(
                            return_output => 1,
                            vars => {
                                      latitude     => 51.484320,
                                      longitude    => -0.223484,
                                      latlong_dist => 1000,
                                    },
                          );
unlike( $output, qr|(score:\s+)|, "...no spurious 'scores' printed" );

%tt_vars = $search->run(
                         return_tt_vars => 1,
                         vars => {
                                   latitude     => 51.484320,
                                   longitude    => -0.223484,
                                   latlong_dist => 1000,
                                   search       => " ",
                                 },
                       );
@ordered = map { $_->{name} } @{ $tt_vars{results} || [] };
@found = sort @ordered;
is_deeply( \@found,
           [ "Blue Anchor", "Crabtree Tavern", "Hammersmith Bridge" ],
           "...still works if whitespace-only search text supplied" );

%tt_vars = $search->run(
                         return_tt_vars => 1,
                         vars => {
                                   os_x    => 523450,
                                   os_y    => 177650,
                                   os_dist => 1000,
                                   search  => " ",
                                 },
                       );
@ordered = map { $_->{name} } @{ $tt_vars{results} || [] };
@found = sort @ordered;
is_deeply( \@found,
       [ "Blue Anchor", "Crabtree Tavern", "Hammersmith Bridge" ],
       "...works with OS co-ords" );

%tt_vars = eval {
       $search->run(
                     return_tt_vars => 1,
                     vars => {
                               os_x      => 523450,
                               os_y      => 177650,
                               os_dist   => 1000,
                               search    => " ",
                               latitude  => " ",
                               longitude => " ",
                             },
                   );
};
is( $@, "", "...works with OS co-ords and whitespace-only lat/long" );
@ordered = map { $_->{name} } @{ $tt_vars{results} || [] };
@found = sort @ordered;
is_deeply( \@found,
       [ "Blue Anchor", "Crabtree Tavern", "Hammersmith Bridge" ],
         "...returns the right stuff" );

%tt_vars = $search->run(
                     return_tt_vars => 1,
                     vars => {
                               latitude     => 51.484320,
                               longitude    => -0.223484,
                               latlong_dist => 1000,
                               search       => "pubs",
                             },
                   );
@found = sort map { $_->{name} } @{ $tt_vars{results} || [] };
is_deeply( \@found, [ "Blue Anchor", "Crabtree Tavern", ],
       "distance search in combination with text search works" );

%tt_vars = $search->run(
                     return_tt_vars => 1,
                     vars => {
                               os_x    => 523450,
                               os_y    => 177650,
                               os_dist => 1000,
                               search  => "pubs",
                             },
                   );
@found = sort map { $_->{name} } @{ $tt_vars{results} || [] };
is_deeply( \@found, [ "Blue Anchor", "Crabtree Tavern", ],
       "...works with OS co-ords too" );