#!/usr/bin/perl

#!/usr/bin/perl

use strict;
use warnings;

use autodie qw(open close);
use DBI;

use Date::Manip::DM5;
use Supporters;
use Encode qw(encode decode);
use Email::MIME::RFC2047::Encoder;
use utf8;

my $encoder = Email::MIME::RFC2047::Encoder->new();

my $TODAY = UnixDate(ParseDate("today"), '%Y-%m-%d');
my $FORTY_FIVE_DAYS_AGO = UnixDate(ParseDate("45 days ago"), '%Y-%m-%d');
my $ONE_AND_HALF_YEARS_AGO = UnixDate(ParseDate("18 months ago"), '%Y-%m-%d');
my $NINE_MONTHS_AGO = UnixDate(ParseDate("9 months ago"), '%Y-%m-%d');

if (@ARGV < 5) {
  print STDERR "usage: $0 <SUPPORTERS_SQLITE_DB_FILE> <FROM_ADDRESS> <EMAIL_TEMPLATE_SUFFIX> <BAD_ADDRESS_LIST_FILE> <MONTHLY_SEARCH_REGEX> <ANNUAL_SEARCH_REGEX>  <VERBOSE> <LEDGER_CMD_LINE> <LEDGER_COMMAND_LINE>\n";
  exit 1;
}

my($SUPPORTERS_SQLITE_DB_FILE, $FROM_ADDDRESS, $EMAIL_TEMPLATE_SUFFIX, $BAD_ADDRESS_LIST_FILE, $MONTHLY_SEARCH_REGEX, $ANNUAL_SEARCH_REGEX, $VERBOSE,
   @LEDGER_CMD_LINE) = @ARGV;
$VERBOSE = 0 if not defined $VERBOSE;

my $dbh = DBI->connect("dbi:SQLite:dbname=$SUPPORTERS_SQLITE_DB_FILE", "", "",
                               { RaiseError => 1, sqlite_unicode => 1 })
  or die $DBI::errstr;

my $sp = new Supporters($dbh, \@LEDGER_CMD_LINE, { monthly => $MONTHLY_SEARCH_REGEX, annual => $ANNUAL_SEARCH_REGEX});

# open(EMAIL, "<", $EMAIL_CONTENTS_FILE);
# my(@emailLines) = <EMAIL>;
# close EMAIL;

my %skip = ();
sub update_skips {
  my $skips = shift;
  my $source_filename = shift;
  open(my $skipFH, '<', $source_filename) or
    die "couldn't open skip file $source_filename: $!";
  while (my $email = <$skipFH>) {
    chomp $email;
    $skips->{$email} = $source_filename;
  }
  close $skipFH;
}
if (defined $BAD_ADDRESS_LIST_FILE) {
  update_skips(\%skip, $BAD_ADDRESS_LIST_FILE);
}

my %groupCounts;
for my $ii (0 .. 5) { $groupCounts{$ii} = 0; }

my(@supporterIds) = $sp->findDonor({});
foreach my $id (@supporterIds) {
  next unless $sp->isSupporter($id);
  my $donorType = lc($sp->getType($id));
  my $expiresOn = $sp->supporterExpirationDate($id);
  my $isLapsed = ( (not defined $expiresOn) or $expiresOn lt $TODAY);

  my $amount = $sp->donorTotalGaveInPeriod(donorId => $id);
  my $lastGaveDate = $sp->donorLastGave($id);
  my $firstGaveDate = $sp->donorFirstGave($id);
  my $nineMonthsSinceFirstGave = UnixDate(DateCalc(ParseDate($firstGaveDate), "+ 9 months"), '%Y-%m-%d');
  my $group = 0;

  if (not $sp->emailOk($id)) {
    print "NOT-SENT: SUPPORTER $id: has requested no email contact\n";
    $groupCounts{$group}++;
    next;
  }
  if ($donorType eq 'monthly' and $lastGaveDate lt $FORTY_FIVE_DAYS_AGO ) {
    $group = 1;
  } elsif ($donorType eq 'annual' and
           $lastGaveDate lt $NINE_MONTHS_AGO and $lastGaveDate gt $ONE_AND_HALF_YEARS_AGO) {
    $group = 2;
  } elsif ($donorType eq 'annual' and $lastGaveDate ge $NINE_MONTHS_AGO) {
    $group = 3;
  } elsif ( ($donorType eq 'annual' and $lastGaveDate le $ONE_AND_HALF_YEARS_AGO) or
            ($donorType eq 'monthly' and $lastGaveDate le $NINE_MONTHS_AGO) ) {
    $group = 4;
  } elsif ($donorType eq 'monthly' and $lastGaveDate gt $NINE_MONTHS_AGO
          and $lastGaveDate ge $FORTY_FIVE_DAYS_AGO) {
    $group = 5;
  }
  if ($group <= 0) {
    print "NOT-SENT: SUPPORTER $id: Fit in no specified group: Type: $donorType, Last Gave: $lastGaveDate\n";
    $group = 0;
  } else {
    print "SENT: SUPPORTER $id: Group $group\n";
  }
  $groupCounts{$group}++;
}
print "\n\n";
my $totalSent = 0;
foreach my $group (sort keys %groupCounts) {
  print "TOTAL IN GROUP $group: $groupCounts{$group}\n";
  $totalSent += $groupCounts{$group} if $group > 0;
}
print "\n\nTOTAL EMAILS SENT: $totalSent\n";

#   my %emails;
#   my $email = $sp->getPreferredEmailAddress($id);
#   if (defined $email) {
#     $emails{$email} = {};
#   } else {
#     %emails = $sp->getEmailAddresses($id);
#   }
#   my(@emails) = keys(%emails);

#   my $fullEmailLine = "";
#   my $emailTo = join(' ', @emails);
#   my $displayName = $sp->getDisplayName($id);
#   foreach my $email (@emails) {
#     $fullEmailLine .= ", " if ($fullEmailLine ne "");
#     my $line = "";
#     if (defined $displayName) {
#       $line .= $encoder->encode_phrase($displayName) . " ";
#     }
#     $line .= "<$email>";
#     $fullEmailLine .= $line;
#   }
#   open(SENDMAIL, "|-", "/usr/lib/sendmail -f \"$FROM_ADDDRESS\" -oi -oem -- \'$emailTo\'");


#   print SENDMAIL "To: $fullEmailLine\n";
#   print SENDMAIL @emailLines;
#   close SENDMAIL;

#   print STDERR "Emailed $emailTo with $id who expires on $expiresOn\n" if ($VERBOSE);
# }
###############################################################################
#
# Local variables:
# compile-command: "perl -c send-mass-email.plx"
# End: