use strict;
use Test::More tests => 32;
use Cpanel::JSON::XS ();
use Config;

my $booltrue  = q({"is_true":true});
my $boolfalse = q({"is_false":false});
my $truefalse = "[true,false]";
my $cjson = Cpanel::JSON::XS->new;
my $true  = Cpanel::JSON::XS::true;
my $false = Cpanel::JSON::XS::false;

my $nonref_cjson = Cpanel::JSON::XS->new->allow_nonref;

# from JSON::MaybeXS
my $data = $cjson->decode('{"foo": true, "bar": false, "baz": 1}');
ok($cjson->is_bool($data->{foo}), 'true decodes to a bool')
  or diag 'true is: ', explain $data->{foo};
ok($cjson->is_bool($data->{bar}), 'false decodes to a bool')
  or diag 'false is: ', explain $data->{bar};
ok(!$cjson->is_bool($data->{baz}), 'int does not decode to a bool')
  or diag 'int is: ', explain $data->{baz};

my $js = $cjson->decode( $booltrue );
is( $cjson->encode( $js ), $booltrue);
ok( $js->{is_true} == $true );
ok( Cpanel::JSON::XS::is_bool($js->{is_true}) );

$js = $cjson->decode( $boolfalse );
is( $cjson->encode( $js ), $boolfalse );
ok( $js->{is_false} == $false );
ok( Cpanel::JSON::XS::is_bool($js->{is_false}) );

is( $cjson->encode( [\1,\0] ), $truefalse  );
is( $cjson->encode( [ $true, $false] ),
    $truefalse );

# GH #39
# perl block which returns sv_no or sv_yes
is( $nonref_cjson->encode( do{(my $a=0)==1} ), "false", "map do{(my \$a)=0)==1} to false");
is( $nonref_cjson->encode( do{(my $a=0)==1} ), "false", "map do{(my \$a)=0)==1} to false");
is( $nonref_cjson->encode( do{(my $a=1)==1} ), "true", "map do{(my \$a)=1)==1} to true");
is( $nonref_cjson->encode( do{(my $a=1)==1} ), "true", "map do{(my \$a)=1)==1} to true");

# GH #39
# XS function UNIVERSAL::isa returns sv_no or sv_yes
is( $nonref_cjson->encode( UNIVERSAL::isa('0', '1') ), "false", "map UNIVERSAL::isa('0', '1') to false");
is( $nonref_cjson->encode( UNIVERSAL::isa('0', '1') ), "false", "map UNIVERSAL::isa('0', '1') to false");
is( $nonref_cjson->encode( UNIVERSAL::isa('UNIVERSAL', 'UNIVERSAL') ), "true", "map UNIVERSAL::isa('UNIVERSAL', 'UNIVERSAL') to true");
is( $nonref_cjson->encode( UNIVERSAL::isa('UNIVERSAL', 'UNIVERSAL') ), "true", "map UNIVERSAL::isa('UNIVERSAL', 'UNIVERSAL') to true");

# GH #39
# XS function utf8::is_utf8 returns sv_no or sv_yes
SKIP: {
  skip 'Perl 5.8 is needed for boolean tests based on utf8::upgrade()+utf8::is_utf8()', 4 if $] < 5.008;
  is( $nonref_cjson->encode( do{utf8::is_utf8(my $a)} ), "false", "map do{utf8::is_utf8(my \$a)} to false");
  is( $nonref_cjson->encode( do{utf8::is_utf8(my $a)} ), "false", "map do{utf8::is_utf8(my \$a)} to false");
  my $utf8 = '';
  utf8::upgrade($utf8);
  is( $nonref_cjson->encode( do{utf8::is_utf8($utf8)} ), "true", "map do{utf8::is_utf8(\$utf8)} to true");
  is( $nonref_cjson->encode( do{utf8::is_utf8($utf8)} ), "true", "map do{utf8::is_utf8(\$utf8)} to true");
}

# GH #39 stringification. enabled with 5.16, stable fix with 5.20
if ($] < 5.020 && $Config{useithreads}) {
  # random results threaded
  my ($strue, $sfalse) = (qr/^(1|true)$/, qr/^(""||false)$/);
  like( $nonref_cjson->encode( !1 ), $sfalse, "map !1 to false");
  like( $nonref_cjson->encode( !1 ), $sfalse, "map !1 to false");
  like( $nonref_cjson->encode( !0 ), $strue, "map !0 to 1/true");
  like( $nonref_cjson->encode( !0 ), $strue, "map !0 to 1/true");
} else {
  # perl expression which evaluates to stable sv_no or sv_yes
  my ($strue, $sfalse) = ("true", "false");
  is( $nonref_cjson->encode( !1 ), $sfalse, "map !1 to false");
  is( $nonref_cjson->encode( !1 ), $sfalse, "map !1 to false");
  is( $nonref_cjson->encode( !0 ), $strue, "map !0 to true");
  is( $nonref_cjson->encode( !0 ), $strue, "map !0 to true");
}

$js = $cjson->decode( $truefalse );
ok ($js->[0] == $true,  "decode true to yes");
ok ($js->[1] == $false, "decode false to no");
ok( Cpanel::JSON::XS::is_bool($js->[0]), "true is_bool");
ok( Cpanel::JSON::XS::is_bool($js->[1]), "false is_bool");

# GH #53
ok( !Cpanel::JSON::XS::is_bool( [] ), "[] !is_bool");