#!perl
# vim:ts=4:sw=4:expandtab
#
# Check if the focus is correctly restored after closing windows.
#
use i3test;
use X11::XCB qw(:all);
use List::Util qw(first);

my $x = X11::XCB::Connection->new;

my $i3 = i3("/tmp/nestedcons");

my $tmp = fresh_workspace;

ok(@{get_ws_content($tmp)} == 0, 'no containers yet');

my $first = open_empty_con($i3);
my $second = open_empty_con($i3);

cmd 'split v';

my ($nodes, $focus) = get_ws_content($tmp);

ok(!$nodes->[1]->{focused}, 'split container not focused');
cmd 'focus parent';
($nodes, $focus) = get_ws_content($tmp);
ok($nodes->[1]->{focused}, 'split container focused after focus parent');

my $third = open_empty_con($i3);

isnt(get_focused($tmp), $second, 'different container focused');

# We have the following layout now (con is focused):
# .----------------.
# | split  |       |
# | .----. |  con  |
# | | cn | |       |
# | `----' |       |
# `----------------'

##############################################################
# see if the focus goes down to $first (not to its split parent)
# when closing $second
##############################################################

cmd 'kill';
# TODO: this testcase sometimes has different outcomes when the
# sleep is missing. why?
sleep 0.25;
($nodes, $focus) = get_ws_content($tmp);
is($nodes->[1]->{nodes}->[0]->{id}, $second, 'second container found');
ok($nodes->[1]->{nodes}->[0]->{focused}, 'second container focused');

##############################################################
# another case, using a slightly different layout (regression)
##############################################################

$tmp = fresh_workspace;

ok(@{get_ws_content($tmp)} == 0, 'no containers yet');

cmd 'split v';
$first = open_empty_con($i3);
my $bottom = open_empty_con($i3);

cmd 'focus up';
cmd 'split h';
my $middle = open_empty_con($i3);
my $right = open_empty_con($i3);
cmd 'focus down';

# We have the following layout now (second is focused):
# .----------------------------.
# | .------------------------. |
# | | first | middle | right | |
# | `------------------------' |
# |----------------------------|
# |                            |
# |          second            |
# |                            |
# `----------------------------'

# Check if the focus is restored to $right when we close $second
cmd 'kill';

is(get_focused($tmp), $right, 'top right container focused (in focus stack)');

($nodes, $focus) = get_ws_content($tmp);
my $tr = first { $_->{id} eq $right } @{$nodes->[0]->{nodes}};
is($tr->{focused}, 1, 'top right container really has focus');

##############################################################
# check if focus is correct after closing an unfocused window
##############################################################

$tmp = fresh_workspace;

ok(@{get_ws_content($tmp)} == 0, 'no containers yet');

$first = open_empty_con($i3);
$middle = open_empty_con($i3);
# XXX: the $right empty con will be filled with the x11 window we are creating afterwards
$right = open_empty_con($i3);
my $win = open_standard_window($x, '#00ff00');

cmd qq|[con_id="$middle"] focus|;
$win->destroy;

sleep 0.25;

is(get_focused($tmp), $middle, 'middle container focused');

##############################################################
# and now for something completely different:
# check if the pointer position is relevant when restoring focus
# (it should not be relevant, of course)
##############################################################

# TODO: add test code as soon as I can reproduce it

done_testing;