#!/usr/bin/perl

# NOTE: this script is used by generate-new-scores; it is meant to be copied
#       to and called from the masses/ directory of the checkout being used
#       for the score generation run for the particular scoreset; you
#       shouldn't need to call this script manually
#
# <@LICENSE>
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to you under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# </@LICENSE>

use strict;
use warnings;

my %active_rules;
my %original_rules;

open(ACTIVE, "../rules/active.list") or die "Cannot open active.list: $!";
while(<ACTIVE>) {
  $active_rules{$1} = undef if (/^(?!__)(\S+)$/);
}
close ACTIVE;

open(ORIG, "../rules/50_scores.cf") or die "Cannot open original score file: $!";
while(<ORIG>) {
  if (/^score\s+(\S+)/) {
    $original_rules{$1} = undef;
  }
}
close ORIG;

open(FREQS, "freqs") or die "Cannot open freqs: $!";
readline(FREQS);
readline(FREQS);
readline(FREQS);
while (<FREQS>) {
  if (/(\S+)$/) {
    delete $active_rules{$1};
  }
}
close FREQS;

open(SCORES, ">scores-active-zeroed") or die "Cannot open scores-active-zeroed: $!";
if (scalar keys %active_rules) {
  open(FREQS, ">>freqs") or die "Cannot open freqs: $!";
  foreach my $rule (sort(keys %active_rules)) {
    # no need to get the real scores for the base rules since there's no hits
    # on them their score doesn't matter
    print FREQS "  0.000   0.0000   0.0000    0.500   0.00    0.00  $rule\n";

    # generate zero score lines for active.list non-base ruleset rules that are hitless
    # skip the AWL rule, it doesn't have a static score  TODO: detect this automatically?!
    unless (exists $original_rules{$rule} || $rule =~ /^AWL$/) {
      my $line = "score $rule ";
      for (my $i = 0; $i < 30 - length $rule; $i++) {
        $line .= ' ';
      }
      $line .= "0.000\n";
      print SCORES $line;
    }
  }
  close FREQS;
}
close SCORES;