use v6;
#use lib '../gnome-native/lib';
use NativeCall;
use Test;

use Gnome::N::N-GObject;
use Gnome::Gtk3::TextTag;
use Gnome::Gtk3::TextTagTable;
use Gnome::Gtk3::TextIter;
use Gnome::Gtk3::TextBuffer;

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

#-------------------------------------------------------------------------------
my Gnome::Gtk3::TextBuffer $tb;
#-------------------------------------------------------------------------------
subtest 'ISA test', {
  $tb .= new;
  isa-ok $tb, Gnome::Gtk3::TextBuffer;
}

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

#-------------------------------------------------------------------------------
subtest 'Manipulations', {
  is $tb.get-line-count, 1, '.get-line-count(), 1 line';
  my Str $text = "hoeperdepoep\nzat op de stoep\n";

  $tb.set-text($text);
  is $tb.get-line-count, 3, '.get-line-count(), 3 lines';
  is $tb.get-char-count, $text.chars, '.get-char-count()';

  my Gnome::Gtk3::TextIter $start = $tb.get-start-iter;
  my Gnome::Gtk3::TextIter $end = $tb.get-end-iter;
  is $tb.get-text( $start, $end, 0), "hoeperdepoep\nzat op de stoep\n",
     '.set-text() / .get-text()';

  is $tb.get-slice( $start, $end, 0), "hoeperdepoep\nzat op de stoep\n",
     '.get-slice()';

  $start = $tb.get-iter-at-line(1);
  $end = $tb.get-iter-at-line(2);
  is $tb.get-text( $start, $end, 0), "zat op de stoep\n", '.get-iter-at-line()';

  $end = $tb.get-iter-at-offset(16);
  is $tb.get-text( $start, $end, 0), "zat", '.get-iter-at-offset()';

  $end = $tb.get-iter-at-line-index( 1, 3);
  is $tb.get-text( $start, $end, 0), "zat", '.get-iter-at-line-index()';

  $end = $tb.get-iter-at-line-offset( 1, 3);
  is $tb.get-text( $start, $end, 0), "zat", '.get-iter-at-line-offset()';

  # A tag must be inserted in the table before the tag can be applied
  my Gnome::Gtk3::TextTag $tag .= new(:tag-name<part1>);
  my Gnome::Gtk3::TextTagTable $tag-table .= new(:native-object($tb.get-tag-table));
  $tag-table.gtk-text-tag-table-add($tag);
  $tag .= new(:tag-name<part2>);
  $tag-table.gtk-text-tag-table-add($tag);
  $tb.apply-tag-by-name( 'part2', $start, $end);

  is $tag-table.get-size, 2,
     '.get-tag-table() / .apply-tag() / .apply-tag-by-name()';

  ( $start, $end) = $tb.get-bounds;
  is $tb.get-text( $start, $end, 0), "hoeperdepoep\nzat op de stoep\n",
     '.get-bounds()';

  $text = "en laten we vrolijk wezen\n";
  $end = $tb.get-iter-at-line(2);
  $tb.gtk_text_buffer_insert( $end, $text, $text.chars);
  ( $start, $end) = $tb.get-bounds;
  is $tb.get-text( $start, $end, 0),
     "hoeperdepoep\nzat op de stoep\nen laten we vrolijk wezen\n",
     '.gtk_text_buffer_insert()';

  my Int $sts;
  ( $sts, $start, $end) = $tb.get-selection-bounds;
  nok $sts, '.get-selection-bounds()';
  is $tb.get-text( $start, $end, 0), '', 'no selection';

  ok $tb.get-modified, '.get-modified()';
  $tb.set-modified(0);
  nok $tb.get-modified, '.set-modified()';

  nok $tb.get-has-selection, '.get-has-selection()';
}

#-------------------------------------------------------------------------------
subtest 'Signals ...', {

  class X {
    has Bool $.insert-signal-processed = False;

    method handle-insert (
      N-GObject $iter, Str $text, Int $len,
      Gnome::GObject::Object :native-object($text-buffer)
      --> Int
    ) {
      $!insert-signal-processed = True;

      1
    }
  }

  my Gnome::Gtk3::TextBuffer $tb .= new;
  my Str $text = "hoeperdepoep\nzat op de stoep\n";
  $tb.set-text($text);
  my Gnome::Gtk3::TextIter $start = $tb.get-iter-at-line(1);
  my Gnome::Gtk3::TextIter $end = $tb.get-iter-at-line(2);

  my Gnome::Gtk3::TextTagTable $tag-table .= new(:native-object($tb.get-tag-table));
  my Gnome::Gtk3::TextTag $tag .= new(:tag-name<part1>);
  $tag-table.gtk-text-tag-table-add($tag);
  $tb.apply-tag( $tag, $start, $end);

  my X $x .= new;
  $tb.register-signal( $x, 'handle-insert', 'insert-text');

  my Str $text2 = ' (...) ';
  $start = $tb.get-iter-at-line-offset( 1, 3);
  $tb.gtk-text-buffer-insert( $start, $text2, $text2.chars);

  ok $x.insert-signal-processed, 'insert signal processed';
}

#`{{
#-------------------------------------------------------------------------------
subtest 'Inherit ...', {
}

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

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

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

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