use v6;
use NativeCall;
use Test;

use Gnome::N::N-GObject;
use Gnome::GObject::Type;
use Gnome::GObject::Value;
use Gnome::Gtk3::TreeStore;
use Gnome::Gtk3::TreeModel;
use Gnome::Gtk3::TreeIter;
use Gnome::Gtk3::TreePath;
use Gnome::Gtk3::IconView;
use Gnome::Gtk3::IconTheme;

#use Gnome::N::X;
#Gnome::N::debug(:on);

#-------------------------------------------------------------------------------
my Gnome::Gtk3::TreeStore $ts;
my Gnome::Gtk3::TreeIter $iter;
my Gnome::Gtk3::TreeIter $parent-iter;
my Gnome::Gtk3::TreeIter $sibling-iter;
my Gnome::Gtk3::TreePath $tp;
my Array[Gnome::GObject::Value] $va;

enum ColumnNames < Col0 Col1 Col2 >; # Col2 is not used or set!
enum VAEntries < E0 E1 >; # entries in va

my class ShowTabel {
  submethod BUILD ( ) {
    diag "\n Row  |  String\n------+-------------------";
  }

  method show-entry (
    N-GObject $nc-ts,
    Gnome::Gtk3::TreePath $c-path,
    Gnome::Gtk3::TreeIter $c-iter
    --> Bool
  ) {
    my Str $row = $c-path.to-string;
    my Gnome::Gtk3::TreeStore $c-ts .= new(:native-object($nc-ts));
    my Array[Gnome::GObject::Value] $va;
    $va = $c-ts.get-value( $c-iter, Col0);

    diag [~] $row.fmt('%5.5s'), ' | ', $va[Col0].get-string;

    $va[Col0].clear-object;

    False
  }
}

#-------------------------------------------------------------------------------
my Gnome::Gtk3::IconView $iv;
#-------------------------------------------------------------------------------
subtest 'ISA test', {
  $iv .= new;
  isa-ok $iv, Gnome::Gtk3::IconView, '.new()';

  my Gnome::Gtk3::TreeStore $ts .= new(:field-types(G_TYPE_STRING));
  $iv .= new(:model($ts));
  isa-ok $iv, Gnome::Gtk3::IconView, '.new(:model)';
}

#-------------------------------------------------------------------------------
unless %*ENV<raku_test_all>:exists {
  done-testing;
  exit;
}

#-------------------------------------------------------------------------------
subtest 'Manipulations', {
  my Gnome::Gtk3::IconTheme $it .= new(:default);
  my Gnome::Glib::List $l;
  $l .= new(:native-object($it.list-icons('Places')));
  my @some-icon-names = ();
  my Int $count = 0;
  while ?$l {
    my Str $ldata = nativecast( Str,  $l.data);
    last if $count++ > 10;
    @some-icon-names.push: $ldata;
    $l .= next;
  }

  # TODO memory leak .... elements are not freed!
  $l.clear-object;

  my N-GObject $n-ts = $iv.get-model;
  isa-ok $n-ts, N-GObject, '.get-model()';


  $iv.set-columns(1);
  $iv.set-text-column(Col0);

  my Gnome::Gtk3::TreeStore $ts .= new(:native-object($n-ts));
  my Gnome::Gtk3::TreeIter $ti;
  for @some-icon-names -> $iname {
    $ti .= new(:native-object($ts.tree-store-append(Any)));
    $ts.set( $ti, Col0, $iname);
  }

  $ts.foreach( ShowTabel.new, 'show-entry');
}

#`{{
#-------------------------------------------------------------------------------
subtest 'Inherit Gnome::Gtk3::IconView', {
  class MyClass is Gnome::Gtk3::IconView {
    method new ( |c ) {
      self.bless( :GtkIconView, |c);
    }

    submethod BUILD ( *%options ) {

    }
  }

  my MyClass $mgc .= new;
  isa-ok $mgc, Gnome::Gtk3::IconView, '.new()';
}

#-------------------------------------------------------------------------------
subtest 'Interface ...', {
}

#-------------------------------------------------------------------------------
subtest 'Properties ...', {
  use Gnome::GObject::Value;
  use Gnome::GObject::Type;

  #my Gnome::Gtk3::IconView $iv .= new;

  sub test-property ( $type, Str $prop, Str $routine, $value ) {
    my Gnome::GObject::Value $gv .= new(:init($type));
    $iv.get-property( $prop, $gv);
    my $gv-value = $gv."$routine"();
    is $gv-value, $value, "property $prop";
    $gv.clear-object;
  }

  # example call
  #test-property( G_TYPE_BOOLEAN, 'homogeneous', 'get-boolean', 0);
}

#-------------------------------------------------------------------------------
subtest 'Themes ...', {
}

#-------------------------------------------------------------------------------
subtest 'Signals ...', {
  #use Gnome::Glib::Main;
  use Gnome::Gtk3::Main;

  my Gnome::Gtk3::Main $main .= new;

  class SignalHandlers {
    has Bool $!signal-processed = False;

    method ... ( 'any-args', Gnome::Gtk3::IconView :$widget #`{{ --> ...}} ) {

      isa-ok $widget, Gnome::Gtk3::IconView;
      $!signal-processed = True;
    }

    method signal-emitter ( Gnome::Gtk3::IconView :$widget --> Str ) {

      while $main.gtk-events-pending() { $main.iteration-do(False); }

      $widget.emit-by-name(
        'signal',
      #  'any-args',
      #  :return-type(int32),
      #  :parameters([int32,])
      );
      is $!signal-processed, True, '\'...\' signal processed';

      while $main.gtk-events-pending() { $main.iteration-do(False); }

      #$!signal-processed = False;
      #$widget.emit-by-name(
      #  'signal',
      #  'any-args',
      #  :return-type(int32),
      #  :parameters([int32,])
      #);
      #is $!signal-processed, True, '\'...\' signal processed';

      while $main.gtk-events-pending() { $main.iteration-do(False); }
      sleep(0.4);
      $main.gtk-main-quit;

      'done'
    }
  }

  my Gnome::Gtk3::IconView $iv .= new;

  #my Gnome::Gtk3::Window $w .= new;
  #$w.add($m);

  my SignalHandlers $sh .= new;
  $iv.register-signal( $sh, 'method', 'signal');

  my Promise $p = $iv.start-thread(
    $sh, 'signal-emitter',
    # G_PRIORITY_DEFAULT,       # enable 'use Gnome::Glib::Main'
    # :!new-context,
    # :start-time(now + 1)
  );

  is $main.gtk-main-level, 0, "loop level 0";
  $main.gtk-main;
  #is $main.gtk-main-level, 0, "loop level is 0 again";

  is $p.result, 'done', 'emitter finished';
}
}}

#-------------------------------------------------------------------------------
done-testing;