use strict;
use warnings;
use Test::More tests => 67; 
use Test::Exception;

use_ok( 'CQL::Parser' );

my $parser = CQL::Parser->new();
isa_ok( $parser, 'CQL::Parser' );

## foo
my $root = $parser->parse( 'foo' );
is( $root->toCQL(), 'foo', 'foo' );
isa_ok( $root, 'CQL::TermNode' );

## "foo bar"
$root = $parser->parse( '"foo bar"' );
is( $root->toCQL(), '"foo bar"', '"foo bar"' );
isa_ok( $root, 'CQL::TermNode' );

## foo and bar
$root = $parser->parse( 'foo and bar' );
is( $root->toCQL(), '(foo) and (bar)', 'foo and bar' );
isa_ok( $root, 'CQL::AndNode' );

## foo bar
throws_ok 
    { $parser->parse('foo bar') } 
    qr/unknown first class relation: bar/, 
    'foo bar : unknown first class relation bar'; 

## (foo and bar)
$root = $parser->parse('(foo or bar) and bez' );
is( $root->toCQL(), '((foo) or (bar)) and (bez)','(foo or bar) and bez' );
isa_ok( $root, 'CQL::AndNode' );

## dc.title = foo
$root = $parser->parse('dc.title = foo');
is( $root->toCQL(), 'dc.title = foo', 'dc.title = foo' );
isa_ok( $root, 'CQL::TermNode' );

## dc.title=foo and dc.creator=bar
$root = $parser->parse('dc.title=foo and dc.creator=bar' );
is( $root->toCQL(), '(dc.title = foo) and (dc.creator = bar)', 
    'dc.title=foo and dc.creator=bar' );
isa_ok( $root, 'CQL::AndNode' );

## complete prox dinosaur
$root = $parser->parse( 'complete prox dinosaur' );
is( $root->toCQL(), '(complete) prox (dinosaur)', 'complete prox dinosaur' );
isa_ok( $root, 'CQL::ProxNode' );

## complete prox/<= dinosaur
#$root = $parser->parse( 'complete prox/<= dinosaur' );
$root = $parser->parse( 'complete prox/distance<=1 dinosaur' );
is( $root->toCQL(), '(complete) prox/distance<=1 (dinosaur)',
    'complete prox/<= dinosaur' );
isa_ok( $root, 'CQL::ProxNode' );

## complete prox/bogus dinosaur
throws_ok
    { $parser->parse( 'complete prox/bogus dinosaur') }
    qr/expected proximity parameter got bogus/,
    'bad proximity parameter';

## complete prox/<=/1 dinosaur
$root = $parser->parse( 'complete prox/distance<=1 dinosaur');
is( $root->toCQL(), '(complete) prox/distance<=1 (dinosaur)',
    'complete prox/<=/1 dinosaur' );
isa_ok( $root, 'CQL::ProxNode' );

## complete prox/<=/bogus dinosaur
throws_ok
    { $parser->parse( 'complete prox/distance<=bogus dinosaur') }
    qr/expected proximity distance got bogus/,
    'bad proximity distance';

## complete prox/<=/1/word dinosaur
$root = $parser->parse( 'complete prox/distance<=1/unit=word dinosaur' );
is( $root->toCQL(), '(complete) prox/distance<=1/unit=word (dinosaur)',
    'complete prox/<=/1 dinosaur/word' );
isa_ok( $root, 'CQL::ProxNode' );

## complete prox/<=/1/bogus dinosaur
throws_ok
    { $parser->parse( 'complete prox/distance<=bogus dinosaur') }
    qr/expected proximity distance got bogus/,
    'bad proximity distance';

## complete prox/<=/1/word/ordered dinosaur
$root = $parser->parse( 'complete prox/distance<=1/unit=word/ordered dinosaur' );
is( $root->toCQL(), '(complete) prox/distance<=1/unit=word/ordered (dinosaur)',
    'complete prox/<=/1 dinosaur/word/ordered' );
isa_ok( $root, 'CQL::ProxNode' );

## complete prox/<=/1/word/bogus dinosaur
throws_ok
    { $parser->parse( 'complete prox/distance<=1/unit=word/bogus dinosaur' ) }
    qr/expected proximity parameter got bogus/,
    'expected proximity ordering got bogus';

## some versions didn't handle <> 
$root = $parser->parse('dc.title <> app');
is( 'dc.title <> app', $root->toCQL(), '<> works' );

## Foo oR bar  
$root = $parser->parse("Foo oR bar");
is( '(Foo) or (bar)', $root->toCQL(), 'keywords case insensitive' );

## prefix
$root = $parser->parse( 
    '>dc="http://zthes.z3950.org/cql/1.0" foo and bar' );
isa_ok( $root, 'CQL::PrefixNode' );
is( $root->toCQL(), '>dc="http://zthes.z3950.org/cql/1.0" ((foo) and (bar))',
    'toCQL()' );

## oR, though a case insensitive keyword is also a valid search term
## and should preserve its case if it is a search term
$root = $parser->parse( 'Or oR OR' );
is( $root->toCQL(), '(Or) or (OR)', 'preserve case for keywords in term' );

## relation modifiers
sub testModifier {
	my ($query, $modifier) = @_;
	$root = $parser->parse( $query );
	isa_ok( $root, 'CQL::TermNode' );
	my @modifiers = $root->getRelation()->getModifiers();
	is($modifiers[0][1], $modifier, "relation modifier $modifier");
	is( $root->toCQL(), $query, $query );
}

testModifier('dc.title =/word "two words"', 'word');
testModifier('dc.title =/string "one string"', 'string');
testModifier('dc.date >=/isoDate 2006', 'isoDate');
testModifier('uba.price <=/number 1000', 'number');
testModifier('dc.ident =/uri "http://foo.bar"', 'uri');
testModifier('dc.title =/masked foo*', 'masked');
testModifier('dc.tilte =/unmasked foo*', 'unmasked');

## Escaped double quote
$root = $parser->parse( '"\""' );
isa_ok( $root, 'CQL::TermNode' );
is( $root->getTerm(), '"', 'double quote term');
is( $root->toCQL(), '"\""', 'toCQL() escaped double quote');
my $xcql = $root->toXCQL(0);
ok( $xcql =~ /<term>"<\/term>/g, 'toXCQL() should give only one bare " in term element');
## Fix for syntax highlighting Epic Perl plugin for Eclipse: '

## Preserve all other escapes and don't escape a double escaped double quote 
$root = $parser->parse( '"\n \\\\"' );
is( $root->toCQL(), '"\n \\\\"', 'Preserve all escapes');

## triple escape in double quotes
$root = $parser->parse( '"\\\\\\""' );
is( $root->toCQL(), '"\\\\\\""', 'triple escaped double quote in double quotes');

## escape without double quotes
$root = $parser->parse( 'without\quotes' );
is( $root->toCQL(), 'without\quotes', 'escape without double quotes');

## new relations
$root = $parser->parse('dc.date within/cql.isoDate "2004-04-06 2004-04-23"');
is('dc.date within/cql.isoDate "2004-04-06 2004-04-23"', $root->toCQL(),
'within');

$root = $parser->parse('xxx.dateRange encloses 2002');
is('xxx.dateRange encloses 2002', $root->toCQL(), 'encloses');

$root = $parser->parse('gils.bounds within/partial/nwse "36.5 -106.7 25.8 -93.5"');
is('gils.bounds within/partial/nwse "36.5 -106.7 25.8 -93.5"', $root->toCQL(),
'nwse');

$root = $parser->parse('gils.begdate <= /isoDate "20051201,20051231"');
is('gils.begdate <=/isoDate 20051201,20051231', $root->toCQL(), 'isoDate');

## zero is a valid term
$root = $parser->parse('dc.title=0');
is('dc.title = 0', $root->toCQL(), 'zero is a valid term');