#!/usr/bin/perl -w -T

use strict;
use lib '.'; use lib 't';
use SATest; sa_t_init("reuse");

use vars qw(%patterns %anti_patterns $perl_path &patterns_run_cb);

use Mail::SpamAssassin;

use Test::More;
plan skip_all => "no mass check" unless (-e '../masses/mass-check');
plan skip_all => "mass check script does not run on Windows" if $RUNNING_ON_WINDOWS;
plan tests => 37;

# Tests the following cases:
# - No reuse: no change
# - Reuse and no X-Spam-Status: no change
# - Reuse on: metas work
# - Reuse works with existing tests (disabled)
# - Reuse works with non-existing tests (they get scores)
# - Reuse handles multiple "old rule names"
# - Reuse works in positive and negative cases
# - Rules defined only by "reuse" can have arbitrary scores and priorities set

# Need all files under $localrules for mass-check
foreach my $tainted (<$siterules/*.pre $siterules/languages>) {
  $tainted =~ /(.*)/;
  my $file = $1;
  copy ($file, "$localrules")
    or warn "cannot copy $file to $localrules: $!";
}

tstlocalrules('
  # suppress RB warnings
  util_rb_tld com

  # Check that order of reuse/body lines for BODY_RULE_* does not matter
  reuse  BODY_RULE_1

  body   BODY_RULE_1    /./
  score  BODY_RULE_1    1.0

  body   BODY_RULE_2    /\bfoobar\b/
  score  BODY_RULE_2    1.0

  header HEADER_RULE_1  Subject =~ /\bmessage\b/

  meta   META_RULE_1    BODY_RULE_1 || BODY_RULE_2

  reuse    BODY_RULE_2
  priority BODY_RULE_2  -2
  score    BODY_RULE_2  1.5

  reuse    NEW_RULE     OTHER_RULE
  priority NEW_RULE     -3
  score    NEW_RULE     0.5

  reuse    OTHER_RULE
  priority OTHER_RULE   -4

  reuse    RENAMED_RULE OLD_RULE_1 OLD_RULE_2 OLD_RULE_3

  reuse    SCORED_RULE  OLD_RULE_2
  score    SCORED_RULE  2.0
  priority SCORED_RULE -1
');

# reuse on, mail has no X-Spam-Status
write_mail(0);
ok_system("$perl_path -w ../masses/mass-check -c=$localrules --reuse --file $workdir/mail.txt > $workdir/noxss.out");

%patterns = (
  'BODY_RULE_1' => '',
  'HEADER_RULE_1' => '',
  'META_RULE_1' => '',
);
%anti_patterns = (
  'NEW_RULE' => '',
  'OTHER_RULE' => '',
  'RENAMED_RULE' => '',
  'NONEXISTANT_RULE' => '',
  'BODY_RULE_2' => '',
  'SCORED_RULE' => '',
);

checkfile("$workdir/noxss.out", \&patterns_run_cb);
ok_all_patterns();
clear_pattern_counters();

# write mail with X-Spam-Status
write_mail(1);

# test without reuse
ok_system("$perl_path -w ../masses/mass-check -c=$localrules --file $workdir/mail.txt > $workdir/noreuse.out");

%patterns = (
  'BODY_RULE_1' => '',
  'HEADER_RULE_1' => '',
  'META_RULE_1' => '',
);
%anti_patterns = (
  'NEW_RULE' => '',
  'OTHER_RULE' => '',
  'RENAMED_RULE' => '',
  'NONEXISTANT_RULE' => '',
  'BODY_RULE_2' => '',
  'SCORED_RULE' => '',
);
checkfile("$workdir/noreuse.out", \&patterns_run_cb);
ok_all_patterns();
clear_pattern_counters();

# test with reuse
ok_system("$perl_path -w ../masses/mass-check -c=$localrules --reuse --file $workdir/mail.txt > $workdir/reuse.out");


%patterns = (
  'HEADER_RULE_1' => '',
  'BODY_RULE_2' => '',
  'META_RULE_1' => '',
  'NEW_RULE' => '',
  'OTHER_RULE' => '',
  'RENAMED_RULE' => '',
  'SCORED_RULE' => '',
  'Y 8' => '',
);
%anti_patterns = (
  'BODY_RULE_1' => '',
  'NONEXISTANT_RULE' => '',
);

checkfile("$workdir/reuse.out", \&patterns_run_cb);
ok_all_patterns();
clear_pattern_counters();

tstlocalrules('
  # suppress RB warnings
  util_rb_tld com

  meta META_RULE_1 RULE_A && !RULE_B

  body  RULE_A /./
  reuse RULE_B OTHER_RULE

  body  RULE_C / does not hit /

  meta META_RULE_2 (RULE_A && RULE_B) || RULE_C
');

write_mail(1);

# test with reuse
ok_system("$perl_path -w ../masses/mass-check -c=$localrules --reuse --file $workdir/mail.txt > $workdir/metareuse.out");

%patterns = (
  'META_RULE_2' => '',
  'RULE_A' => '',
  'RULE_B' => '',
);
%anti_patterns = (
  'META_RULE_1' => '',
  'RULE_C' => '',
);
checkfile("$workdir/metareuse.out", \&patterns_run_cb);
ok_all_patterns();
clear_pattern_counters();


sub write_mail {
    my ($x_spam_status) = @_;

    my $msg = <<EOF;
Received: from internal.example.com [127.0.0.1] by localhost
    for recipient\@example.com; Fri, 07 Oct 2002 09:02:00 +0000
Received: from external.spammer.com (external.spammer.com
    [150.51.53.1]) by internal.example.com for recipient\@example.com;
    Fri, 07 Oct 2002 09:01:00 +0000
Message-ID: <clean.1010101\@example.com>
Date: Mon, 07 Oct 2002 09:00:00 +0000
From: Sender <sender\@this-spammer.com>
MIME-Version: 1.0
To: Recipient <recipient\@example.com>
Subject: trivial message
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
EOF

    if ($x_spam_status) {
        $msg .= <<END;
X-Spam-Status: Yes, score=15.3 required=5.0 tests=BODY_RULE_2,
	NONEXISTANT_RULE,OTHER_RULE,OLD_RULE_2,OLD_RULE_3
END
    }

    $msg .= <<END;


This is a test message.

END

    tstfile($msg);
}

sub ok_system {
    my $cmd = shift;

    print "\t$cmd\n";
    untaint_system($cmd);
    my $exit_code = ($?>>8);
    ok ($exit_code == 0)

}