use v6;
use NativeCall;
use Test;

use Gnome::Gdk3::Window;

use Gnome::Gtk3::Window;
use Gnome::Gtk3::Viewport;
use Gnome::Gtk3::Adjustment;
use Gnome::Gtk3::Enums;
use Gnome::Gtk3::Border;

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

#-------------------------------------------------------------------------------
my Gnome::Gtk3::Viewport $v;
my Gnome::Gtk3::Window $window;
#-------------------------------------------------------------------------------
subtest 'ISA test', {
  my Gnome::Gtk3::Adjustment $ha .= new(
    :value(10), :lower(-2), :upper(100), :step-increment(1),
    :page-increment(1), :page-size(20)
  );
  my Gnome::Gtk3::Adjustment $va .= new(
    :value(10), :lower(-1), :upper(100), :step-increment(1),
    :page-increment(1), :page-size(20)
  );

  $v .= new( :hadjustment($ha), :vadjustment($va));

  isa-ok $v, Gnome::Gtk3::Viewport, '.new( :hadjustment, :vadjustment)';
}


#-------------------------------------------------------------------------------
# set environment variable 'raku-test-all' if rest must be tested too.
unless %*ENV<raku_test_all>:exists {
  done-testing;
  exit;
}

#-------------------------------------------------------------------------------
subtest 'Manipulations', {
  # must set a size otherwise h-, v- adjustments stay 0.
  $v.set-size-request( 100, 100);
  $window .= new;
  $window.set-name('test window');
  $window.add($v);
  $window.show-all; # needed to get a gdk window

  my Gnome::Gdk3::Window $gdk-w = $v.get-bin-window-rk;
  ok $gdk-w.is-valid, '.get-bin-window-rk()';

  $v.set-shadow-type(GTK_SHADOW_OUT);
  is $v.get-shadow-type, GTK_SHADOW_OUT,
     '.set-shadow-type() / .get-shadow-type()';

  $gdk-w = $v.get-view-window-rk;
  ok $gdk-w.is-valid, '.get-view-window-rk()';
}

#-------------------------------------------------------------------------------
subtest 'Inherit Gnome::Gtk3::Viewport', {
  class MyClass is Gnome::Gtk3::Viewport {
    method new ( |c ) {
      my Gnome::Gtk3::Adjustment $ha .= new(
        :value(10), :lower(0), :upper(100), :step-increment(1),
        :page-increment(1), :page-size(20)
      );
      my Gnome::Gtk3::Adjustment $va .= new(
        :value(10), :lower(0), :upper(100), :step-increment(1),
        :page-increment(1), :page-size(20)
      );

      self.bless( :GtkViewport, :hadjustment($ha), :vadjustment($va), |c);
    }

    submethod BUILD ( *%options ) {

    }
  }

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

#-------------------------------------------------------------------------------
subtest 'Interface Scrollable', {
  my Gnome::Gtk3::Border $b = $v.get-border-rk;
  ok !$b.is-valid, '.get-border-rk()';

  my Gnome::Gtk3::Adjustment $set-a .= new(
    :value(11), :lower(0), :upper(100), :step-increment(2),
    :page-increment(1), :page-size(24)
  );

  $v.set-hadjustment($set-a);
  my Gnome::Gtk3::Adjustment $get-a = $v.get-hadjustment-rk;
  ok $get-a.get-upper > 80,
    '.set-hadjustment() / .get-hadjustment-rk(): ' ~ $get-a.get-upper;

  $v.set-vadjustment($set-a);
  $get-a = $v.get-vadjustment-rk;
  ok $get-a.get-step-increment > 1,
    '.set-vadjustment() / .get-vadjustment-rk(): ' ~ $get-a.get-step-increment;

  $v.set-hscroll-policy(GTK_SCROLL_MINIMUM);
  is $v.get-hscroll-policy, GTK_SCROLL_MINIMUM,
    '.set-hscroll-policy() / .get-hscroll-policy()';

  $v.set-vscroll-policy(GTK_SCROLL_MINIMUM);
  is $v.get-vscroll-policy, GTK_SCROLL_MINIMUM,
    '.set-vscroll-policy() / .get-vscroll-policy()';
}

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

=finish

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

  #my Gnome::Gtk3::Viewport $v .= new;

  sub test-property (
    $type, Str $prop, Str $routine, $value,
    Bool :$approx = False, Bool :$is-local = False
  ) {
    my Gnome::GObject::Value $gv .= new(:init($type));
    $v.get-property( $prop, $gv);
    my $gv-value = $gv."$routine"();
    if $approx {
      is-approx $gv-value, $value,
        "property $prop, value: " ~ $gv-value;
    }

    # dependency on local settings might result in different values
    elsif $is-local {
      if $gv-value ~~ /$value/ {
        like $gv-value, /$value/, "property $prop, value: " ~ $gv-value;
      }

      else {
        ok 1, "property $prop, value: " ~ $gv-value;
      }
    }

    else {
      is $gv-value, $value,
        "property $prop, value: " ~ $gv-value;
    }
    $gv.clear-object;
  }

  # example calls
  #test-property( G_TYPE_BOOLEAN, 'homogeneous', 'get-boolean', 0);
  #test-property( G_TYPE_STRING, 'label', 'get-string', '...');
  #test-property( G_TYPE_FLOAT, 'xalign', 'get-float', 23e-2, :approx);
}

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

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

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

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

    method ... (
      'any-args',
      Gnome::Gtk3::Viewport() :_native-object($_widget), gulong :$_handler-id
      # --> ...
    ) {

      isa-ok $_widget, Gnome::Gtk3::Viewport;
      $!signal-processed = True;
    }

    method signal-emitter ( Gnome::Gtk3::Viewport :$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::Viewport $v .= new;

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

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

  my Promise $p = $v.start-thread(
    $sh, 'signal-emitter',
    # :!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';
}