%# REST/1.0/Forms/user/default
%#
<%ARGS>
$id
$format => 's'
$changes => {}
</%ARGS>
<%perl>
my @comments;
my ($c, $o, $k, $e) = ("", [], {}, 0);
my %data = %$changes;
my $user = new RT::User $session{CurrentUser};
my @fields = qw(RealName NickName Gecos Organization Address1 Address2 City
                State Zip Country HomePhone WorkPhone MobilePhone PagerPhone
                FreeformContactInfo Comments Signature Lang EmailEncoding
                WebEncoding ExternalContactInfoId ContactInfoSystem
                ExternalAuthId AuthSystem);
my %fields = map { lc $_ => $_ } @fields;

if ($id ne 'new') {
    $user->Load($id);
    if (!$user->Id) {
        return [ "# User $id does not exist.", [], {}, 1 ];
    }
}
else {
    if (%data == 0) {
        return [
            "# Required: Name, EmailAddress",
            [ qw(id Name EmailAddress Organization Password Comments) ],
            {
                id => "user/new",
                Name => "",
                EmailAddress => "",
                Organization => "",
                Password => "",
                Comments => ""
            },
            0
        ];
    }
    else {
        my %v;
        my %create = %fields;
        $create{name}         = "Name";
        $create{password}     = "Password";
        $create{emailaddress} = "EmailAddress";
        $create{contactinfo}  = "FreeformContactInfo";
        # Do any fields need to be excluded here?

        foreach my $k (keys %data) {
            if (exists $create{lc $k}) {
                $v{$create{lc $k}} = delete $data{$k};
            }
        }

        $user->Create(%v);
        unless ($user->Id) {
            return [ "# Could not create user.", [], {}, 1 ];
        }

        $id = $user->Id;
        delete $data{id};
        push(@comments, "# User $id created.");
        goto DONE if %data == 0;
    }
}

if (%data == 0) {
    my @data;

    push @data, [ id => "user/".$user->Id ];
    push @data, [ Name => $user->Name ];
    push @data, [ Password => '********' ];
    push @data, [ EmailAddress => $user->EmailAddress ];

    foreach my $key (@fields) {
        my $val = $user->$key;

        if ($format eq 'l' || (defined $val && $val ne '')) {
            $key = "ContactInfo" if $key eq 'FreeformContactInfo';
            push @data, [ $key => $val ];
        }
    }

    my %k = map {@$_} @data;
    $o = [ map {$_->[0]} @data ];
    $k = \%k;
}
else {
    my ($get, $set, $key, $val, $n, $s);

    foreach $key (keys %data) {
        $val = $data{$key};
        $key = lc $key;
        $n = 1;

        if ($key eq 'name' || $key eq 'emailaddress' ||
            $key eq 'contactinfo' || exists $fields{$key})
        {
            if (exists $fields{$key}) {
                $key = $fields{$key};
            }
            else {
                $key = "FreeformContactInfo" if $key eq 'contactinfo';
                $key = "EmailAddress" if $key eq 'emailaddress';
                $key = "Name" if $key eq 'name';
            }
            $set = "Set$key";

            next if $val eq $user->$key;
            ($n, $s) = $user->$set($val);
        }
        elsif ($key eq 'password') {
            ($n, $s) = $user->SetPassword($val) unless $val =~ /^\**$/;
        }
        elsif ($key ne 'id') {
            $n = 0;
            $s = "Unknown field.";
        }

    SET:
        if ($n == 0) {
            $e = 1;
            push @comments, "# $key: $s";
            unless (@$o) {
                my %o = keys %$changes;
                delete @o{"id", @fields};
                @$o = ("id", @fields, keys %o);
                $k = $changes;
            }
        }
    }

    push(@comments, "# User $id updated.") unless $n == 0;
}

DONE:
$c ||= join("\n", @comments) if @comments;
return [ $c, $o, $k, $e ];
</%perl>