#!/usr/bin/perl -T
use File::Find qw(find);
use lib '.'; use lib 't';
use SATest; sa_t_init("bayesbdb");
use constant HAS_BDB => eval { require BerkeleyDB };
use Test::More;
plan skip_all => "Long running tests disabled" unless conf_bool('run_long_tests');
plan skip_all => "BerkeleyDB is unavailable" unless HAS_BDB;
{
  no warnings 'once';
  plan skip_all => "BerkeleyDB >= 4.6 is required" unless $BerkeleyDB::db_version >= 4.6;
}
plan tests => 48;
tstprefs ("
  bayes_store_module Mail::SpamAssassin::BayesStore::BDB
");
use Mail::SpamAssassin;
my $sa = create_saobj();
$sa->init();
sub getimpl {
  return $sa->call_plugins("learner_get_implementation");
}
ok($sa);
ok($sa->{bayes_scanner} && getimpl);
ok(!$sa->{bayes_scanner}->is_scan_available());
open(MAIL,"< data/spam/001");
my $raw_message = do {
  local $/;
  <MAIL>;
};
close(MAIL);
ok($raw_message);
my $mail = $sa->parse( $raw_message );
ok($mail);
my $body = getimpl->get_body_from_msg($mail);
ok($body);
my $toks = getimpl->tokenize($mail, $body);
ok(scalar(keys %{$toks}) > 0);
my $msgid = $mail->generate_msgid();
my $msgid_hdr = $mail->get_msgid();
# $msgid is the generated hash messageid
# $msgid_hdr is the Message-Id header
ok($msgid eq '71f849915d7e469ddc1890cd8175f6876843f99e@sa_generated')
    or warn "got: [$msgid]";
ok($msgid_hdr eq '9PS291LhupY');
ok(getimpl->{store}->tie_db_writable());
ok(!getimpl->{store}->seen_get($msgid));
getimpl->{store}->untie_db();
ok($sa->{bayes_scanner}->learn(1, $mail));
ok(!$sa->{bayes_scanner}->learn(1, $mail));
ok(getimpl->{store}->tie_db_writable());
ok(getimpl->{store}->seen_get($msgid) eq 's');
getimpl->{store}->untie_db();
ok(getimpl->{store}->tie_db_writable());
my $tokerror = 0;
foreach my $tok (keys %{$toks}) {
  my ($spam, $ham, $atime) = getimpl->{store}->tok_get($tok);
  if (!defined $spam || $spam == 0 || $ham > 0) {
    $tokerror = 1;
  }
}
ok(!$tokerror);
my $tokens = getimpl->{store}->tok_get_all(keys %{$toks});
ok($tokens);
$tokerror = 0;
foreach my $tok (@{$tokens}) {
  my ($token, $tok_spam, $tok_ham, $atime) = @{$tok};
  if ($tok_spam == 0 || $tok_ham > 0) {
    $tokerror = 1;
  }
}
ok(!$tokerror);
getimpl->{store}->untie_db();
ok($sa->{bayes_scanner}->learn(0, $mail));
ok(getimpl->{store}->tie_db_writable());
ok(getimpl->{store}->seen_get($msgid) eq 'h');
getimpl->{store}->untie_db();
ok(getimpl->{store}->tie_db_writable());
$tokerror = 0;
foreach my $tok (keys %{$toks}) {
  my ($spam, $ham, $atime) = getimpl->{store}->tok_get($tok);
  if (!defined $spam || $spam > 0 || $ham == 0) {
    $tokerror = 1;
  }
}
ok(!$tokerror);
getimpl->{store}->untie_db();
ok($sa->{bayes_scanner}->forget($mail));
ok(getimpl->{store}->tie_db_writable());
ok(!getimpl->{store}->seen_get($msgid));
getimpl->{store}->untie_db();
getimpl->{store}->_close_db(); # on Windows the following sa_t_init can't delete the old files without this close
undef $sa;
sa_t_init('bayesbdb'); # this wipes out what is there and begins anew
# make sure we learn to a journal
tstprefs ("
  bayes_store_module Mail::SpamAssassin::BayesStore::BDB
  bayes_min_spam_num 10
  bayes_min_ham_num 10
");
# we get to bastardize the existing pattern matching code here.  It lets us provide
# our own checking callback and keep using the existing ok_all_patterns call
%patterns = ( 1 => 'Acted on message' );
$wanted_examined = count_files("data/spam");
ok(salearnrun("--spam data/spam", \&check_examined));
ok_all_patterns();
$wanted_examined = count_files("data/nice");
ok(salearnrun("--ham data/nice", \&check_examined));
ok_all_patterns();
$wanted_examined = count_files("data/welcomelists");
ok(salearnrun("--ham data/welcomelists", \&check_examined));
ok_all_patterns();
$wanted_examined = 3;
ok(salearnrun("--ham --mbox data/nice.mbox", \&check_examined));
ok_all_patterns();
$wanted_examined = 3;
ok(salearnrun("--ham --mbox < data/nice.mbox", \&check_examined));
ok_all_patterns();
$wanted_examined = 3;
ok(salearnrun("--forget --mbox data/nice.mbox", \&check_examined));
ok_all_patterns();
%patterns = ( 'non-token data: bayes db version' => 'db version' );
ok(salearnrun("--dump magic", \&patterns_run_cb));
ok_all_patterns();
use constant SCAN_USING_PERL_CODE_TEST => 1;
# jm: off! not working for some reason.   Mind you, this is
# not a supported way to call these APIs!  so no biggie
if (SCAN_USING_PERL_CODE_TEST) {
$sa = create_saobj();
$sa->init();
open(MAIL,"< ../sample-nonspam.txt");
$raw_message = do {
  local $/;
  <MAIL>;
};
close(MAIL);
$mail = $sa->parse( $raw_message );
$body = getimpl->get_body_from_msg($mail);
my $msgstatus = Mail::SpamAssassin::PerMsgStatus->new($sa, $mail);
ok($msgstatus);
my $score = getimpl->scan($msgstatus, $mail, $body);
# Pretty much we can't count on the data returned with such little training
# so just make sure that the score wasn't equal to .5 which is the default
# return value.
print "\treturned score: $score\n";
ok($score =~ /\d/ && $score <= 1.0 && $score != .5);
open(MAIL,"< ../sample-spam.txt");
$raw_message = do {
  local $/;
  <MAIL>;
};
close(MAIL);
$mail = $sa->parse( $raw_message );
$body = getimpl->get_body_from_msg($mail);
$msgstatus = Mail::SpamAssassin::PerMsgStatus->new($sa, $mail);
$score = getimpl->scan($msgstatus, $mail, $body);
# Pretty much we can't count on the data returned with such little training
# so just make sure that the score wasn't equal to .5 which is the default
# return value.
print "\treturned score: $score\n";
ok($score =~ /\d/ && $score <= 1.0 && $score != .5);
}
ok(getimpl->{store}->clear_database());
ok(!-e "$userstate/bayes/vars.db");
ok(!-e "$userstate/bayes/seen.db");
ok(!-e "$userstate/bayes/toks.db");
sub check_examined {
  local ($_);
  my $string = shift;
  if (defined $string) {
    $_ = $string;
  } else {
    $_ = join ('', <IN>);
  }
  if ($_ =~ /(?:Forgot|Learned) tokens from \d+ message\(s\) \((\d+) message\(s\) examined\)/) {
    #print STDERR "examined $1 messages\n";
    if (defined $wanted_examined && $wanted_examined == $1) {
      $found{'Acted on message'}++;
    }
  }
}
sub count_files {
  my $cnt = 0;
  find({wanted => sub { $cnt++ if -f $_; }, no_chdir => 1}, $_[0]);
  return $cnt;
}