# -*- cperl -*-

# NOTE: backend can also be tested in model_test.d

use ExtUtils::testlib;
use Test::More;
use Test::Memory::Cycle;
use Config::Model;
use File::Path;
use File::Copy;
use Data::Dumper;
use Log::Log4perl qw(:easy);

use warnings;
no warnings qw(once);

use strict;

my $arg = shift || '';

my $trace = $arg =~ /t/ ? 1 : 0;
my $log   = $arg =~ /l/ ? 1 : 0;

my $home = $ENV{HOME} || "";
my $log4perl_user_conf_file = "$home/.log4config-model";

if ( $log and -e $log4perl_user_conf_file ) {
    Log::Log4perl::init($log4perl_user_conf_file);
}
else {
    Log::Log4perl->easy_init( $log ? $WARN : $ERROR );
}
Config::Model::Exception::Any->Trace(1) if $arg =~ /e/;

ok( 1, "compiled" );

# pseudo root where config files are written by config-model
my $wr_root = 'wr_root/';

# set_up data
my @with_semicolon_comment = my @with_one_semicolon_comment = my @with_hash_comment = <DATA>;

# change delimiter comments
map { s/#/;/; } @with_semicolon_comment;
map { s/# foo2/; foo2/; } @with_one_semicolon_comment;

sub init_test {
    my ($test_class, $test_data, $config_dir) = @_;

    my $model     = Config::Model->new();
    my @orig      = @$test_data ;

    # cleanup before tests
    rmtree($wr_root);

    ok( 1, "Starting $test_class tests" );

    my $test1     = 'ini1';
    my $wr_dir    = $wr_root . '/' . $test1;
    my $conf_file = "$wr_dir/etc/test.ini";

    mkpath( $wr_dir . '/etc', { mode => 0755 } )
        || die "can't mkpath: $!";
    open( CONF, "> $conf_file" ) || die "can't open $conf_file: $!";
    print CONF @orig;
    close CONF;

    my $i_test = $model->instance(
        instance_name   => 'test_inst',
        root_class_name => $test_class,
        root_dir        => $wr_dir,
        model_file      => 't/test_ini_backend_model.pl',
        config_dir      => $config_dir, # optional
    );

    ok( $i_test, "Created $test_class instance" );

    my $i_root = $i_test->config_root;
    ok( $i_root, "created $test_class tree root" );
    $i_root->init;
    ok( 1, "$test_class root init done" );

    return ($model, $i_test, $wr_dir);
}

sub finish {
    my ($test_class, $wr_dir, $model,$i_test) = @_;

    my $orig = $i_test->config_root->dump_tree;
    print $orig if $trace;

    $i_test->write_back;
    ok( 1, "IniFile write back done" );

    my $ini_file = $wr_dir . '/etc/test.ini';
    ok( -e $ini_file, "check that config file $ini_file was written" );
    # create another instance to read the IniFile that was just written
    my $wr_dir2 = $wr_root . '/ini2';
    mkpath( $wr_dir2 . '/etc', { mode => 0755 } ) || die "can't mkpath: $!";
    copy( $wr_dir . '/etc/test.ini', $wr_dir2 . '/etc/' )
        or die "can't copy from test1 to test2: $!";

    my $i2_test = $model->instance(
        instance_name   => 'test_inst2',
        root_class_name => $test_class,
        root_dir        => $wr_dir2,
        config_dir      => $i_test->config_dir, # propagate from first test instance
    );

    ok( $i2_test, "Created instance" );

    my $i2_root = $i2_test->config_root;

    my $p2_dump = $i2_root->dump_tree;
    print "2nd dump:\n",$p2_dump if $trace;

    is( $p2_dump, $orig, "compare original data with 2nd instance data" );

}

my %test_setup = (
    IniTest  => [ \@with_hash_comment,          'class1' ],
    IniTest2 => [ \@with_semicolon_comment,     'class1' ],
    IniTest3 => [ \@with_one_semicolon_comment, 'class1' ],
    AutoIni  => [ \@with_hash_comment,          'class1' ],
    MyClass  => [ \@with_hash_comment,          'any_ini_class:class1' ]
);

foreach my $test_class ( sort keys %test_setup ) {
    my ($model, $i_test, $wr_dir) = init_test($test_class, $test_setup{$test_class}[0]);

    my $test_path = $test_setup{$test_class}[1];

    my $i_root = $i_test->config_root;

    $i_root->load("bar:0=\x{263A}");    # utf8 smiley
    is(
        $i_root->annotation,
        "some global comment with embedded '#' and stuff",
        "check global comment"
    );
    is( $i_root->grab($test_path)->annotation, "class1 comment", "check $test_path comment" );
    is( $i_root->grab($test_path)->backend_support_annotation, 1, "check support annotation " );

    my $lista_obj = $i_root->grab($test_path)->fetch_element('lista');
    is( $lista_obj->annotation, '', "check $test_path lista comment" );

    foreach my $i ( 1 .. 3 ) {
        my $elt = $lista_obj->fetch_with_id( $i - 1 );
        is( $elt->fetch,      "lista$i",         "check lista[$i] content" );
        is( $elt->annotation, "lista$i comment", "check lista[$i] comment" );
    }

    finish ($test_class, $wr_dir, $model,$i_test);


    memory_cycle_ok( $model, "memory cycle test" );

}

# test ini file using a check list

{
    #    IniCheck
    my ($model, $i_test, $wr_dir) = init_test(IniCheck => \@with_hash_comment, '/etc/');

    my $i_root = $i_test->config_root;

    ok($i_root->grab('foo')->is_checked('foo1'),"foo foo1 choice is set");
    ok($i_root->grab('foo')->is_checked('bar1') == 0,"foo bar1 choice is not set");
    ok($i_root->grab('bar')->is_checked('bar1'),"bar bar1 choice is set");

    # I'm cheating. To reuse test data, list is actually a check_list in test model
    ok($i_root->grab('class1 lista')->is_checked('nolist') == 0,"class1 lista nolist choice is not set");
    ok($i_root->grab('class1 lista')->is_checked('lista2'),"class1 lista lista1 choice is set");

    $i_root->grab('class1 lista')->check('nolist');

    finish ('IniCheck', $wr_dir, $model,$i_test);

    memory_cycle_ok( $model, "memory cycle test" );
}

done_testing;

__DATA__
#some global comment with embedded '#' and stuff


# foo1 comment also with '#' stuff
foo = foo1

foo = foo2 # foo2 comment

bar = bar1

baz = bazv

# class1 comment
[class1]
lista=lista1 #lista1 comment
# lista2 comment
lista    =    lista2
# lista3 comment
lista    =    lista3