package JWebmail::Plugin::I18N2::INI;

use v5.24;
use warnings;
use utf8;

use Mojo::File;

use Config::Tiny;

use Role::Tiny::With;
with 'JWebmail::Plugin::I18N2::Role';


sub new {
    my $cls = shift;
    my $conf = @_ == 1 ? shift : {@_};

    my $self = bless {}, $cls;

    $self->_log($conf->{log} || sub { @_ = $_[0]->() if ref $_[0] eq 'CODE'; local $" = ' '; warn "@_" });

    my @languages = keys %{$conf->{languages} // {}};

    unless (@languages) {
        @languages = map { s|^.*/(..)\.lang$|$1|r } glob("'$conf->{directory}/*.lang'");
    }

    # load languages
    for my $l (@languages) {
        if (my $dict = __loadi18n($conf->{directory}, $l)) {
            $self->{$l} = $dict;
        }
    }

    return $self;
}

sub loaded_languages { grep { $_ !~ /^_/ } keys $_[0]->%* }

sub translate {
    my $self = shift;
    my $lang = shift;
    my $word = shift;

    my $res = $self->{$lang}{$word};
    unless ($res) {
        local $" = ' ';
        $self->_log->("missing translation for $lang:'$word' @{[ caller(1) ]}[0..2]");
    }
    if (@_) {
        $res = sprintf($res, @_);
    }
    return $res;
}

sub _log {
    my $self = shift;
    if (@_) {
        $self->{_log} = $_[0];
        return $self;
    }
    else {
        return $self->{_log};
    }
}

sub __loadi18n {
    my $langsubdir = shift;
    my $lang = shift;

    my $langFile = "$langsubdir/$lang.lang";
    my $TXT;

    if ( -f $langFile ) {
        $TXT = Config::Tiny->read($langFile, 'utf8')->{'_'};
        if ($@) {
            die "error reading file $langFile: $@";
        }
    }
    return $TXT;
}

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