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#!/usr/bin/env perl

# Copyright (C) 2008-2010, Sebastian Riedel.

use strict;
use warnings;

use Test::More;

plan skip_all => 'JSON::XS is required for this test'
  unless eval { require JSON::XS; 1 };
plan tests => 82;

use Mojo::ByteStream 'b';

# We should be safe up here. I'm pretty sure fires can't climb trees.
use_ok('Mojo::JSON::Any');

my $json = Mojo::JSON::Any->new;
isa_ok($json, 'Mojo::JSON::XS');

# Test if overload behaves correctly
ok($json->true == $json->true);
ok($json->true != $json->false);
ok($json->true eq $json->true);
ok($json->true ne $json->false);

# Decode array
my $array = $json->decode('[]');
is_deeply($array, [], 'decode []');
$array = $json->decode('[ [ ]]');
is_deeply($array, [[]], 'decode [ [ ]]');

# Decode number
$array = $json->decode('[0]');
is_deeply($array, [0], 'decode [0]');
$array = $json->decode('[1]');
is_deeply($array, [1], 'decode [1]');
#$array = $json->decode('[ -122.026020 ]');
#is_deeply($array, ['-122.026020'], 'decode [ -122.026020 ]');
$array = $json->decode('[0.0]');
isa_ok($array, 'ARRAY', 'decode [0.0]');
cmp_ok($array->[0], '==', 0, 'value is 0');
$array = $json->decode('[0e0]');
isa_ok($array, 'ARRAY', 'decode [0e0]');
cmp_ok($array->[0], '==', 0, 'value is 0');
$array = $json->decode('[1,-2]');
is_deeply($array, [1, -2], 'decode [1,-2]');
$array = $json->decode('[10e12 , [2 ]]');
#is_deeply($array, ['10e12', [2]], 'decode [10e12 , [2 ]]');
#$array = $json->decode('[37.7668 , [ 20 ]] ');
#is_deeply($array, [37.7668, [20]], 'decode [37.7668 , [ 20 ]] ');
$array = $json->decode('[1e3]');
isa_ok($array, 'ARRAY', 'decode [1e3]');
cmp_ok($array->[0], '==', 1e3, 'value is 1e3');

# Decode name
$array = $json->decode('[true]');
#is_deeply($array, [$json->true], 'decode [true]');
is($array->[0], $json->true, 'decode [true]');
$array = $json->decode('[null]');
is_deeply($array, [undef], 'decode [null]');
$array = $json->decode('[true, false]');
#is_deeply($array, [$json->true, $json->false], 'decode [true, false]');
is($array->[0], $json->true);
is($array->[1], $json->false);

# Decode string
$array = $json->decode('[" "]');
is_deeply($array, [' '], 'decode [" "]');
$array = $json->decode('["hello world!"]');
is_deeply($array, ['hello world!'], 'decode ["hello world!"]');
$array = $json->decode('["hello\nworld!"]');
is_deeply($array, ["hello\nworld!"], 'decode ["hello\nworld!"]');
$array = $json->decode('["hello\t\"world!"]');
is_deeply($array, ["hello\t\"world!"], 'decode ["hello\t\"world!"]');
$array = $json->decode('["hello\u0152world\u0152!"]');
is_deeply(
    $array,
    ["hello\x{0152}world\x{0152}!"],
    'decode ["hello\u0152world\u0152!"]'
);
$array = $json->decode('["0."]');
is_deeply($array, ['0.'], 'decode ["0."]');
$array = $json->decode('[" 0"]');
is_deeply($array, [' 0'], 'decode [" 0"]');
$array = $json->decode('["1"]');
is_deeply($array, ['1'], 'decode ["1"]');

# Decode object
my $hash = $json->decode('{}');
is_deeply($hash, {}, 'decode {}');
$hash = $json->decode('{"foo": "bar"}');
is_deeply($hash, {foo => 'bar'}, 'decode {"foo": "bar"}');
$hash = $json->decode('{"foo": [23, "bar"]}');
is_deeply($hash, {foo => [qw/23 bar/]}, 'decode {"foo": [23, "bar"]}');

# Decode full spec example
$hash = $json->decode(<<EOF);
{
   "Image": {
       "Width": 800,
       "Height": 600,
       "Title": "View from 15th Floor",
       "Thumbnail": {
           "Url": "http://www.example.com/image/481989943",
           "Height": 125,
           "Width": "100"
       },
       "IDs": [116, 943, 234, 38793]
    }
}
EOF
is($hash->{Image}->{Width}, 800, 'right value');
is($hash->{Image}->{Height}, 600, 'right value');
is($hash->{Image}->{Title}, 'View from 15th Floor', 'right value');
is( $hash->{Image}->{Thumbnail}->{Url},
    'http://www.example.com/image/481989943',
    'right value'
);
is($hash->{Image}->{Thumbnail}->{Height}, 125, 'right value');
is($hash->{Image}->{Thumbnail}->{Width}, 100, 'right value');
is($hash->{Image}->{IDs}->[0], 116, 'right value');
is($hash->{Image}->{IDs}->[1], 943, 'right value');
is($hash->{Image}->{IDs}->[2], 234, 'right value');
is($hash->{Image}->{IDs}->[3], 38793, 'right value');

# Encode array
my $string = $json->encode([]);
is($string, '[]', 'encode []');
$string = $json->encode([[]]);
is($string, '[[]]', 'encode [[]]');
$string = $json->encode([[], []]);
is($string, '[[],[]]', 'encode [[], []]');
$string = $json->encode([[], [[]], []]);
is($string, '[[],[[]],[]]', 'encode [[], [[]], []]');

# Encode string
$string = $json->encode(['foo']);
is($string, '["foo"]', 'encode [\'foo\']');
$string = $json->encode(["hello\nworld!"]);
is($string, '["hello\nworld!"]', 'encode ["hello\nworld!"]');
$string = $json->encode(["hello\t\"world!"]);
is($string, '["hello\t\"world!"]', 'encode ["hello\t\"world!"]');
$string = $json->encode(["hello\x{0003}\x{0152}world\x{0152}!"]);
is( b($string)->decode('UTF-8'),
    "[\"hello\\u0003\x{0152}world\x{0152}!\"]",
    'encode ["hello\x{0003}\x{0152}world\x{0152}!"]'
);
$string = $json->encode(["123abc"]);
is($string, '["123abc"]', 'encode ["123abc"]');

# Encode object
$string = $json->encode({});
is($string, '{}', 'encode {}');
$string = $json->encode({foo => {}});
is($string, '{"foo":{}}', 'encode {foo => {}}');
$string = $json->encode({foo => 'bar'});
is($string, '{"foo":"bar"}', 'encode {foo => \'bar\'}');
$string = $json->encode({foo => []});
is($string, '{"foo":[]}', 'encode {foo => []}');
$string = $json->encode({foo => ['bar']});
is($string, '{"foo":["bar"]}', 'encode {foo => [\'bar\']}');

# Encode name
$string = $json->encode([$json->true]);
is($string, '[true]', 'encode [$json->true]');
$string = $json->encode([undef]);
is($string, '[null]', 'encode [undef]');
$string = $json->encode([$json->true, $json->false]);
is($string, '[true,false]', 'encode [$json->true, $json->false]');

# Encode number
$string = $json->encode([1]);
is($string, '[1]', 'encode [1]');
#$string = $json->encode(['-122.026020']);
#is($string, '[-122.026020]', 'encode [\'-122.026020\']');
#$string = $json->encode([1, -2]);
#is($string, '[1,-2]', 'encode [1, -2]');
#$string = $json->encode(['10e12', [2]]);
#is($string, '[10e12,[2]]', 'encode [\'10e12\', [2]]');
$string = $json->encode([37.7668, [20]]);
is($string, '[37.7668,[20]]', 'encode [37.7668, [20]]');

## Faihu roundtrip
#$string = $json->encode(["\x{10346}"]);
#is(b($string)->decode('UTF-8'), "[\"\x{10346}\"]", 'encode ["\x{10346}"]');
#$array = $json->decode($string);
#is_deeply($array, ["\x{10346}"], 'successful roundtrip');

# Decode UTF-16LE
$array = $json->decode(b("\x{feff}[true]")->encode('UTF-16LE'));
#is_deeply($array, [$json->true], 'decode \x{feff}[true]');
is($array->[0], $json->true);

# Decode UTF-16LE with faihu surrogate pair
$array = $json->decode(b("\x{feff}[\"\\ud800\\udf46\"]")->encode('UTF-16LE'));
is_deeply($array, ["\x{10346}"], 'decode \x{feff}[\"\\ud800\\udf46\"]');

# Decode UTF-16LE with faihu surrogate pair and BOM value
$array = $json->decode(
    b("\x{feff}[\"\\ud800\\udf46\x{feff}\"]")->encode('UTF-16LE'));
is_deeply($array, ["\x{10346}\x{feff}"],
    'decode \x{feff}[\"\\ud800\\udf46\x{feff}\"]');

## Decode UTF-16LE with missing high surrogate
#$array = $json->decode(b("\x{feff}[\"\\ud800\"]")->encode('UTF-16LE'));
#is_deeply($array, ['\ud800'], 'decode \x{feff}[\"\\ud800\"]');

## Decode UTF-16LE with missing low surrogate
#$array = $json->decode(b("\x{feff}[\"\\udf46\"]")->encode('UTF-16LE'));
#is_deeply($array, ['\udf46'], 'decode \x{feff}[\"\\udf46\"]');
#
## Decode UTF-16BE with faihu surrogate pair
#$array = $json->decode(b("\x{feff}[\"\\ud800\\udf46\"]")->encode('UTF-16BE'));
#is_deeply($array, ["\x{10346}"], 'decode \x{feff}[\"\\ud800\\udf46\"]');

# Decode UTF-32LE
$array = $json->decode(b("\x{feff}[true]")->encode('UTF-32LE'));
#is_deeply($array, [$json->true], 'decode \x{feff}[true]');
is($array->[0], $json->true);

# Decode UTF-32BE
$array = $json->decode(b("\x{feff}[true]")->encode('UTF-32BE'));
#is_deeply($array, [$json->true], 'decode \x{feff}[true]');
is($array->[0], $json->true);

# Decode UTF-16LE without BOM
$array = $json->decode(b("[\"\\ud800\\udf46\"]")->encode('UTF-16LE'));
is_deeply($array, ["\x{10346}"], 'decode [\"\\ud800\\udf46\"]');

# Decode UTF-16BE without BOM
$array = $json->decode(b("[\"\\ud800\\udf46\"]")->encode('UTF-16BE'));
is_deeply($array, ["\x{10346}"], 'decode [\"\\ud800\\udf46\"]');

# Decode UTF-32LE without BOM
$array = $json->decode(b("[\"\\ud800\\udf46\"]")->encode('UTF-32LE'));
is_deeply($array, ["\x{10346}"], 'decode [\"\\ud800\\udf46\"]');

# Decode UTF-32BE without BOM
$array = $json->decode(b("[\"\\ud800\\udf46\"]")->encode('UTF-32BE'));
is_deeply($array, ["\x{10346}"], 'decode [\"\\ud800\\udf46\"]');

# Complicated roudtrips
$string = '[null,false,true,"",0,1]';
$array = $json->decode($string);
isa_ok($array, 'ARRAY', 'decode [null,false,true,"",0,1]');
is($json->encode($array), $string, 'reencode');
$array = [undef, 0, 1, '', $json->true, $json->false];
$string = $json->encode($array);
ok($string, 'defined value');
#is_deeply($json->decode($string), $array, 'successful roundtrip');
my $result = $json->decode($string);
ok(not defined $result->[0]);
is($result->[1], 0);
is($result->[2], 1);
is($result->[3], '');

# Real world roundtrip
$string = $json->encode({foo => 'c:\progra~1\mozill~1\firefox.exe'});
is( $string,
    '{"foo":"c:\\\\progra~1\\\\mozill~1\\\\firefox.exe"}',
    'encode {foo => \'c:\progra~1\mozill~1\firefox.exe\'}'
);
$hash = $json->decode($string);
is_deeply(
    $hash,
    {foo => 'c:\progra~1\mozill~1\firefox.exe'},
    'successful roundtrip'
);

# Errors
is($json->decode('[[]'), undef, 'missing right square bracket');
#is($json->error, 'Missing right square bracket near end of file.',
# 'right error');
is($json->decode('{{}'), undef, 'missing right curly bracket');
#is($json->error, 'Missing right curly bracket near end of file.',
# 'right error');
is($json->decode('[[]...'), undef, 'syntax error');
#is($json->error, 'Syntax error near "...".', 'right error');
is($json->decode('{{}...'), undef, 'syntax error');
#is($json->error, 'Syntax error near "...".', 'right error');
is($json->decode('[nan]'), undef, 'syntax error');
#is($json->error, 'Syntax error near "nan]".', 'right error');
is($json->decode('["foo]'), undef, 'syntax error');
#is($json->error, 'Syntax error near ""foo]".', 'right error');
#is($json->decode('false'), undef, 'no object or array');
#is($json->error, 'JSON text has to be a serialized object or array.',
# 'right error');
is($json->decode(''), undef, 'no object or array');
#is($json->error, 'JSON text has to be a serialized object or array.',
# 'right error');
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