use warnings;
use strict;

use RT;
use RT::Test nodata => 1, tests => undef;

sub new (*) {
    my $class = shift;
    return $class->new(RT->SystemUser);
}

use constant VALUES_CLASS => 'RT::CustomFieldValues::Groups';
RT->Config->Set(CustomFieldValuesSources => VALUES_CLASS);

my $q = new( RT::Queue );
isa_ok( $q, 'RT::Queue' );
my ($qid) = $q->Create( Name => "CF-External-". $$ );
ok( $qid, "created queue" );
my %arg = ( Name        => $q->Name,
            Type        => 'Select',
            Queue       => $q->id,
            MaxValues   => 1,
            ValuesClass => VALUES_CLASS );

my $cf = new( RT::CustomField );
isa_ok( $cf, 'RT::CustomField' );

{
    my ($cfid, $msg) = $cf->Create( %arg );
    ok( $cfid, "created cf" ) or diag "error: $msg";
    is( $cf->ValuesClass, VALUES_CLASS, "right values class" );
    ok( $cf->IsExternalValues, "custom field has external values" );
}

{
    # create at least on group for the tests
    my $group = RT::Group->new( RT->SystemUser );
    my ($ret, $msg) = $group->CreateUserDefinedGroup( Name => $q->Name );
    ok $ret, 'created group' or diag "error: $msg";
}

{
    my $values = $cf->Values;
    isa_ok( $values, VALUES_CLASS );
    ok( $values->Count, "we have values" );
    my ($failure, $count) = (0, 0);
    while( my $value = $values->Next ) {
        $count++;
        $failure = 1 unless $value->Name;
    }
    ok( !$failure, "all values have name" );
    is( $values->Count, $count, "count is correct" );
    is( $values->CustomFieldObject->id, $cf->id, "Values stored the CF id" );
    is( $values->CustomFieldObject, $cf, "Values stored the identical CF object" );
    is( $values->First->CustomFieldObj->id, $cf->id, "A value stored the CF id" );
    is( $values->First->CustomFieldObj, $cf, "A value stored the identical CF object" );
}

{
    my ($ret, $msg) = $cf->SetValuesClass('RT::CustomFieldValues');
    ok $ret, 'Reverting this CF as internal source values based' or diag "error: $msg";
    ($ret, $msg) = $cf->SetValuesClass('RT::CustomFieldValues::Groups');
    ok $ret, 'Reverting this CF as external source values based' or diag "error: $msg";
}

done_testing;