#!/usr/bin/perl

use DBI;
use Getopt::Std;

$mydir = `cd \$(dirname $0) 2>/dev/null; pwd`; chomp($mydir);
unshift @INC,("$mydir/../setup");
if( -f "$mydir/../setup/db_config.local") { require "db_config.local"; }
else { require "db_config"; }

%hometeaching_data = ();
%membership_data = ();
getopts('vsn:o:');

$monthname2num{'Jan'} = '01';
$monthname2num{'Feb'} = '02';
$monthname2num{'Mar'} = '03';
$monthname2num{'Apr'} = '04';
$monthname2num{'May'} = '05';
$monthname2num{'Jun'} = '06';
$monthname2num{'Jul'} = '07';
$monthname2num{'Aug'} = '08';
$monthname2num{'Sep'} = '09';
$monthname2num{'Oct'} = '10';
$monthname2num{'Nov'} = '11';
$monthname2num{'Dec'} = '12';

######################################################################
# SUBROUTINES
######################################################################
sub csv_to_hash
{
    my ($filename, $hashref) = @_;

    open(FILE,$filename) || die "-E- Could not open $filename for reading\n";

    my $found_header = 0; my $index = 0;
    while(<FILE>)
    {
	$line = $_;
	@data = split /\",/, $line;
	if(!$found_header) { @header = @data; $found_header = 1; }
	else {
	    foreach $i (0..$#data-1) {
		$data[$i] =~ s/\"//g;
		$header[$i] =~ s/\"//g;
	        $hashref->{$index}{$header[$i]} = $data[$i];
		#print "$index: $i: $header[$i]: $data[$i]\n";
	    }
	    $index++;
	}
    }
    
    close(FILE);
}

sub optional_csv_to_hash
{
    my ($filename, $hashref) = @_;

    my $opened = open(FILE,$filename);

    if ($opened) {
        my $found_header = 0; my $index = 0;
        while(<FILE>)
        {
	    $line = $_;
	    @data = split /\",/, $line;
	    if(!$found_header) { @header = @data; $found_header = 1; }
	    else {
	        foreach $i (0..$#data-1) {
		    $data[$i] =~ s/\"//g;
		    $header[$i] =~ s/\"//g;
	            $hashref->{$index}{$header[$i]} = $data[$i];
		    #print "$index: $i: $header[$i]: $data[$i]\n";
	        }
	        $index++;
	    }
        }
    
    close(FILE);
    }
    else
    {
        print "-W- could not open optional csv file $filename\n";
    }
}

######################################################################
sub print_hash
{
    my ($hashref) = @_;

    foreach $key (sort {$a <=> $b} keys %$hashref) {
	print "Index: $key\n";
	foreach $field (keys %{$hashref->{$key}}) {
	    print "$field: $hashref->{$key}{$field}\n";
	}
	print "\n";
    }
}

######################################################################

# 3RD_AARONIC
#+-------+--------------------+------+-----+---------+-------+
#| Field | Type               | Null | Key | Default | Extra |
#+-------+--------------------+------+-----+---------+-------+
#| aaronic | int(16) unsigned |      | PRI | 0       |   A   |
#| name    | varchar(60)      | YES  |     | NULL    |       |
#| phone   | varchar(12)      | YES  |     | NULL    |       |
#| email   | varchar(120)     | YES  |     | NULL    |       |
#| valid   | tinyint(1)       | YES  |     | NULL    |       |
#+-------+--------------------+------+-----+---------+-------+
sub update_tc_aaronic_table
{
    print "\n-> Updating tc_aaronic table\n";

    # Set all records to be invalid. Only mark them as valid if they appear on the new list.
    $sth = $dbh->prepare("update tc_aaronic set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %membership_data)
    {
	$hashref = $membership_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /Priesthood/i &&
	       ($membership_data{$index}{$key} =~ /^Deacon\s*$/i ||
	        $membership_data{$index}{$key} =~ /^Teacher\s*$/i ||
		$membership_data{$index}{$key} =~ /^Priest\s*$/i)) {
		$aaronic_name = $membership_data{$index}{'Preferred Name'};
		$phone = $membership_data{$index}{'Household Phone'};
		if($phone =~ /(\d\d\d-\d\d\d\d)/) { $phone = "$areacode-$1"; }
		if($phone =~ /^\(\d\d\d\) (\d\d\d-\d\d\d\d)/) { $phone = "$1-$2"; }
		$email = $membership_data{$index}{'Individual E-mail'};
		if ($email eq "") { $email = $membership_data{$index}{'Household E-mail'}; }
		$sth = $dbh->prepare("select * from tc_aaronic where name='$aaronic_name'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		my $rows = scalar @data;
		if($rows == 0) {
		    # No existing records found for this aaronic, make a new entry
		    print "   Adding new Aaronic: $aaronic_name\n";
		    $sth = $dbh->prepare("insert into tc_aaronic values (NULL,'$aaronic_name','$phone','$email',1)");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows == 1) {
		    # An existing record was found for this aaronic, update it, mark it valid!
		    print "   Updating existing aaronic: $aaronic_name\n";
		    $sth = $dbh->prepare("update tc_aaronic set phone='$phone' where name='$aaronic_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_aaronic set email='$email' where name='$aaronic_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_aaronic set valid=1 where name='$aaronic_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} else {
		    # More than one record was found. Error! This shouldn't happen.
		    print "   -E- More than one record found ($rows) for aaronic name: $aaronic_name\n";
		}
	    }
	}
    }
    $sth->finish();
}

# 3RD_INDIV
#+-------------+------------------+------+-----+---------+----------------+
#| Field       | Type             | Null | Key | Default | Extra          |
#+-------------+------------------+------+-----+---------+----------------+
#| indiv       | int(16) unsigned |      | PRI | NULL    | auto_increment |
#| indiv_id    | int(16) unsigned |      |     | NULL    |                |
#| name        | varchar(60)      | YES  |     | NULL    |                |
#| phone       | varchar(12)      | YES  |     | NULL    |                |
#| email       | varchar(120)     | YES  |     | NULL    |                |
#| priesthood  | enum             | YES  |     | NULL    |                |
#| ppi_pri     | int(10) unsigned | YES  |     | 1       |                |
#| ppi_notes   | varchar(128)     | YES  |     | NULL    |                |
#| int_pri     | int(10) unsigned | YES  |     | 1       |                |
#| int_notes   | varchar(128)     | YES  |     | NULL    |                |
#| attending   | tinyint(1)       | YES  |     | 0       |                |
#| valid       | tinyint(1)       | YES  |     | NULL    |                |
#+-------------+------------------+------+-----+---------+----------------+
sub update_tc_indiv_table
{
    print "\n-> Updating tc_indiv table\n";

    # Set all records to be invalid. Only mark them as valid if they appear on the new list.
    $sth = $dbh->prepare("update tc_indiv set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %membership_data)
    {
	$hashref = $membership_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /Priesthood/i && 
	       ($membership_data{$index}{$key} =~ /Deacon/i ||
	        $membership_data{$index}{$key} =~ /Teacher/i ||
		$membership_data{$index}{$key} =~ /Priest/i ||
		$membership_data{$index}{$key} =~ /Elder/i ||
		$membership_data{$index}{$key} =~ /Unordained/i)) {
		
		# check if this is a prospective elder under the stewardship of the EQ
		if($membership_data{$index}{$key} !~ /Elder/i) {
			$found = 0;
			foreach $i (keys %prospective_elder_data) {
				#print "$membership_data{$index}{'Full Name'}\n";
				#print "$prospective_elder_data{$i}{'Full Name'}\n";
				if($membership_data{$index}{'Full Name'} eq $prospective_elder_data{$i}{'Full Name'}) {
					$found = 1;
					last;
				}
			}
			if($found == 0) { next;}
		}
		
		$id = $membership_data{$index}{'Indiv ID'};
		$indiv_name = $membership_data{$index}{'Preferred Name'};
		$phone = $membership_data{$index}{'Household Phone'};
		$priesthood = $membership_data{$index}{'Priesthood'};
		$organization = $organization_by_id{$id};
		$attending = 0;
		if(($organization =~ /Elders/) ||
		   ($organization =~ /Young Men/) ||
		   ($organization =~ /Sunday School/) ||
		   ($organization =~ /Primary/)
		   ) { $attending = 1; }
		if($phone =~ /(\d\d\d-\d\d\d\d)/) { $phone = "$areacode-$1"; }
		if($phone =~ /^\(\d\d\d\) (\d\d\d-\d\d\d\d)/) { $phone = "$1-$2"; }
		$email = $membership_data{$index}{'indiv E-mail'};
		if ($email eq "") { $email = $membership_data{$index}{'Household E-mail'}; }
		$sth = $dbh->prepare("select * from tc_indiv where name='$indiv_name'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		my $rows = scalar @data;
		if($rows == 0) {
		    # No existing records found for this indiv, make a new entry
		    print "   Adding new indiv: $indiv_name\n";
		    $sth = $dbh->prepare("insert into tc_indiv values (NULL,'$id','$indiv_name','$phone','$email','$priesthood','n','1','','1','',$attending,1)");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows == 1) {
		    # An existing record was found for this indiv, update it
		    print "   Updating existing indiv: $indiv_name\n";
		    $sth = $dbh->prepare("update tc_indiv set valid=1 where name='$indiv_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    if($phone ne "") { 
			$sth = $dbh->prepare("update tc_indiv set phone='$phone' where name='$indiv_name'");
		    } else {
			$sth = $dbh->prepare("update tc_indiv set phone=NULL where name='$indiv_name'");
		    }
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_indiv set attending='$attending' where name='$indiv_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_indiv set indiv_id='$id' where name='$indiv_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_indiv set priesthood='$priesthood' where name='$indiv_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_indiv set email='$email' where name='$indiv_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} else {
		    # More than one record was found. Error! This shouldn't happen.
		    print "   -E- More than one record found ($rows) for indiv: $indiv_name\n";
		}
	    }
	}
    }
    $sth->finish();
}

# 3RD_CALLING
#+--------------+------------------+------+-----+---------+-------+
#| Field        | Type             | Null | Key | Default | Extra |
#+--------------+------------------+------+-----+---------+-------+
#| indiv_id     | int(16) unsigned | YES  |     | NULL    |       |
#| name         | varchar(30)      | YES  |     | NULL    |       |
#| organization | varchar(30)      | YES  |     | NULL    |       |
#| position     | varchar(30)      | YES  |     | NULL    |       |
#| sequence     | int(16) unsigned | YES  |     | NULL    |       |
#| sustained    | date             | YES  |     | NULL    |       |
#+--------------+------------------+------+-----+---------+-------+
sub update_tc_calling_table()
{
    print "\n-> Updating tc_calling table\n";

    #print "-> Organization Data Dump\n\n";
    #&print_hash(\%organization_data);
    
    # Delete all records from the calling table. We have no history to
    # save here. Just re-populate with the latest calling information.
    $sth = $dbh->prepare("delete from tc_calling ");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %organization_data)
    {
	$indiv_id = $organization_data{$index}{'Indiv ID'};
	$name = $organization_data{$index}{'Indiv Name'};
	$name =~ s/\'/\\'/g; #'
	$organization = $organization_data{$index}{'Organization'};
	$organization_by_name{$name} = $organization;
	$organization_by_id{$indiv_id} = $organization;
	$position = $organization_data{$index}{'Position'};
	$sequence = $organization_data{$index}{'Org Seq'};
	$sustained = $organization_data{$index}{'Sustained'};
	$sustained =~ /(\S+) (\d+)/; $month=$1; $year=$2;
	if($name eq "") { next; }
	print "   Adding new Calling: $name -> $position\n";
	$sth = $dbh->prepare("insert into tc_calling values ('$indiv_id','$name','$organization','$position','$sequence','$month $year')");
	$sth->execute or die "-E- DB error: $DBI::errstr\n";
    }
}

# 3RD_DISTRICT
#+------------+------------------+------+-----+---------+-------+
#| Field      | Type             | Null | Key | Default | Extra |
#+------------+------------------+------+-----+---------+-------+
#| district   | int(16) unsigned |      | PRI | 0       |       |
#| name       | varchar(30)      | YES  |     | NULL    |       |
#| supervisor | int(16) unsigned | YES  |     | NULL    |       |
#| valid      | tinyint(1)       | YES  |     | NULL    |       |
#+------------+------------------+------+-----+---------+-------+
sub update_tc_district_table
{
    # Districts should be created by hand. This subroutine only
    # updates the supervisor's ID in each district.
    print "\n-> Updating tc_district table\n";
    $sth = $dbh->prepare("select * from tc_district");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    while($sqlhashref = $sth->fetchrow_hashref) {
	$supervisor_name = $sqlhashref->{name};
	$district = $sqlhashref->{district};
	$sth2 = $dbh->prepare("select * from tc_indiv where name='$supervisor_name'");
	$sth2->execute or die "-E- DB error: $DBI::errstr\n";
	$sqlhashref2 = $sth2->fetchrow_hashref;
	$supervisor_id = $sqlhashref2->{indiv};
	$sth2->finish();
	$sth2 = $dbh->prepare("update tc_district set supervisor='$supervisor_id' where district='$district'");
	$sth2->execute or die "-E- DB error: $DBI::errstr\n";
	$sth2->finish();
    }
    $sth->finish();
}

# 3RD_COMPANIONSHIP
#+---------------+------------------+------+-----+---------+-------+
#| Field         | Type             | Null | Key | Default | Extra |
#+---------------+------------------+------+-----+---------+-------+
#| companionship | int(16) unsigned |      |     | 0       |       |
#| indiv         | int(16) unsigned | YES  |     | NULL    |       |
#| aaronic       | int(16) unsigned | YES  |     | NULL    |       |
#| district      | int(16) unsigned | YES  |     | NULL    |       |
#| valid         | tinyint(1)       | YES  |     | NULL    |       |
#+---------------+------------------+------+-----+---------+-------+
sub update_tc_companionship_table
{
    print "\n-> Updating tc_companionship table\n";

    # First, mark all existing companionships as invalid in case they have been dissolved
    $sth = $dbh->prepare("update tc_companionship set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    # Second, mark all the aaronic invalid. We'll only mark the ones as valid that are assigned to hometeach
    $sth = $dbh->prepare("update tc_aaronic set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %hometeaching_data)
    {
	$hashref = $hometeaching_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /Quorum/i && $hometeaching_data{$index}{$key} =~ /Elders/i) {
		foreach $field ("Home Teacher 1","Home Teacher 2") {
		    $indiv_name = $hometeaching_data{$index}{$field};
		    if($indiv_name eq "") { next; }
		    $sth2 = $dbh->prepare("select * from tc_indiv where name='$indiv_name'");
		    $sth2->execute or die "-E- DB error: $DBI::errstr\n";
		    $sqlhashref2 = $sth2->fetchrow_hashref;
		    $indiv = $sqlhashref2->{indiv};
		    $aaronic = "NULL";
		    if($indiv eq "") {
			$sth2 = $dbh->prepare("select * from tc_aaronic where name='$indiv_name'");
			$sth2->execute or die "-E- DB error: $DBI::errstr\n";
			$sqlhashref2 = $sth2->fetchrow_hashref;
			$aaronic = $sqlhashref2->{aaronic};
			$indiv = "NULL";
			if($aaronic eq "") { print "-W- Unable to find $indiv_name in tc_indiv or tc_aaronic tables\n"; next; }
		    } 
		    $id = $hometeaching_data{$index}{'Comp ID'};
		    $district = $hometeaching_data{$index}{'HT District'};
		    $sth = $dbh->prepare("select * from tc_companionship where indiv='$indiv' and aaronic='$aaronic' and companionship='$id'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    my @data = ();
		    while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		    my $rows = scalar @data;
		    if($rows == 0) {
			# No existing records found for this companionship, make a new entry
			print "   Adding Companion to companionship: $indiv_name -> $id\n";
			$sth = $dbh->prepare("insert into tc_companionship values ($id,'$indiv','$aaronic','$district',1)");
			$sth->execute or die "-E- DB error: $DBI::errstr\n";
		    } else {
			# An existing companionship was found for this companionship, update it
			$sth2 = $dbh->prepare("select * from tc_companionship where district='$district' and companionship='$id'");
			$sth2->execute or die "-E- DB error: $DBI::errstr\n";
			if($indiv ne "NULL") {
			    print "   Updating Companionship with indiv: $indiv_name ($indiv) -> $id\n";
			    $sth = $dbh->prepare("update tc_companionship set district='$district' where indiv='$indiv' and companionship='$id'");
			    $sth->execute or die "-E- DB error 'district': $DBI::errstr\n";
			    $sth = $dbh->prepare("update tc_companionship set indiv='$indiv' where indiv='$indiv' and companionship='$id'");
			    $sth->execute or die "-E- DB error 'indiv': $DBI::errstr\n";
			    $sth = $dbh->prepare("update tc_companionship set valid=1 where indiv='$indiv' and companionship='$id'");
			    $sth->execute or die "-E- DB error 'valid': $DBI::errstr\n";
			} else {
			    print "   Updating Companionship with Aaronic: $indiv_name ($aaronic) -> $id\n";
			    $sth = $dbh->prepare("update tc_companionship set district='$district' where aaronic='$aaronic' and companionship='$id'");
			    $sth->execute or die "-E- DB error: $DBI::errstr\n";
			    $sth = $dbh->prepare("update tc_companionship set aaronic='$aaronic' where aaronic='$aaronic' and companionship='$id'");
			    $sth->execute or die "-E- DB error: $DBI::errstr\n";
			    $sth = $dbh->prepare("update tc_companionship set valid=1 where aaronic='$aaronic' and companionship='$id'");
			    $sth->execute or die "-E- DB error: $DBI::errstr\n";			    
			    $sth = $dbh->prepare("update tc_aaronic set valid=1 where aaronic='$aaronic'");
			    $sth->execute or die "-E- DB error: $DBI::errstr\n";
			}
		    }
		    $sth->finish();
		    $sth2->finish();		    
		}
	    }
	}
    }
}

# 3RD_FAMILY
#+---------------+------------------+------+-----+---------+-------+
#| Field         | Type             | Null | Key | Default | Extra |
#+---------------+------------------+------+-----+---------+-------+
#| family        | int(16) unsigned |      | PRI | 0       |   A   |
#| hofh_id       | int(16) unsigned | YES  |     | NULL    |       |
#| name          | varchar(30)      | YES  |     | NULL    |       |
#| name_id       | varchar(30)      | YES  |     | NULL    |       |
#| indiv_id      | int(16) unsigned | YES  |     | NULL    |       |
#| companionship | int(16) unsigned | YES  |     | NULL    |       |
#| visit_pri     | int(10) unsigned | YES  |     | 1       |       |
#| visit_notes   | varchar(128)     | YES  |     | NULL    |       |
#| valid         | tinyint(1)       | YES  |     | NULL    |       |
#+---------------+------------------+------+-----+---------+-------+
sub update_tc_family_table
{
    print "\n-> Updating tc_family table\n";

    # Set all records to be invalid. Only mark them as valid if they appear on the new list.
    $sth = $dbh->prepare("update tc_family set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    $sth = $dbh->prepare("update tc_family set companionship=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %membership_data)
    {
	$hashref = $membership_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /HH Position/i && $membership_data{$index}{$key} =~ /Head of Household/i) {
		$family_name = $membership_data{$index}{'Preferred Name'};
		$family_name =~ s/\'/\\'/g; #'
		$id = $membership_data{$index}{'HofH ID'};
		$name_id = uc($family_name);

		# Find out how many families match this family's name
		$sth = $dbh->prepare("select * from tc_family where name_id='$name_id'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		my $rows = scalar @data;
		
		if($rows == 0) {
		    # No existing records found for this family, make a new entry
		    print "   Adding new Family: $family_name\n";
		    $sth = $dbh->prepare("insert into tc_family values (NULL,$id,'$family_name','$name_id','0','0','1','',1)");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows == 1) {
		    # An existing record was found for this family, update it
		    print "   Updating existing family: $family_name\n";
		    $sth = $dbh->prepare("update tc_family set hofh_id=$id where name_id='$name_id'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_family set valid=1 where name_id='$name_id'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} else {
		    # More than one record was found. Error! This shouldn't happen.
		    print "   -E- More than one record found ($rows) for family name: $family_name\n";
		}

                # Now update the indiv_id field for this family
		$sth = $dbh->prepare("select * from tc_indiv WHERE name='$family_name'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		while($sqlhashref = $sth->fetchrow_hashref) {
		    $indiv_id = $sqlhashref->{indiv};
		    print "   Updating family indiv_id: $family_name -> $indiv_id\n";
		    $sth = $dbh->prepare("update tc_family set indiv_id=$indiv_id where name_id='$name_id'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		}
		
		# Now update the hometeaching field for this family
		foreach $index (keys %hometeaching_data)
		{
		    $hashref = $hometeaching_data{$index};
		    foreach $key (keys %$hashref) {
			if($hometeaching_data{$index}{'Household'} =~ /(\S+)\s+(\S+),\s+(\S+)\s+(.*)/) {
			    $a = $1; $b = $2; $c = $3; $d = $4;
			    if($family_name =~ /$a/ && $hometeaching_data{$index}{'Household'} !~ /$family_name/i) { 
				print "I: Adjusting hometeaching match from: $hometeaching_data{$index}{'Household'} to $a, $c $d\n";
				$hometeaching_data{$index}{'Household'} = "$a, $c $d";
			    }
			}
			if($key =~ /Quorum/i &&
			   $hometeaching_data{$index}{$key} =~ /Elders/i &&
			   $hometeaching_data{$index}{'Household'} =~ /$family_name/i &&
			   $data[0]->{companionship} != $hometeaching_data{$index}{'Comp ID'}
			   )
			{
			    print "   Updating hometeaching assignment for $family_name family\n";
			    $companionship = $hometeaching_data{$index}{'Comp ID'};
			    $sth = $dbh->prepare("update tc_family set companionship='$companionship' where name_id='$name_id'");
			    $sth->execute or die "-E- DB error: $DBI::errstr\n";
			}
		    }
		}
		$sth->finish();
	    }
	}
    }
}

# 3RD_PARENT
#+----------+------------------+------+-----+---------+-------+
#| Field    | Type             | Null | Key | Default | Extra |
#+----------+------------------+------+-----+---------+-------+
#| parent   | int(16) unsigned |      | PRI | 0       |   A   |
#| family   | int(16) unsigned | YES  |     | NULL    |       |
#| name     | varchar(30)      | YES  |     | NULL    |       |
#| birthday | date             | YES  |     | NULL    |       |
#| phone    | varchar(12)      | YES  |     | NULL    |       |
#| address  | varchar(255)     | YES  |     | NULL    |       |
#| indiv_id | int(16) unsigned | YES  | UNI | NULL    |       |
#| valid    | tinyint(1)       | YES  |     | NULL    |       |
#+----------+------------------+------+-----+---------+-------+
sub update_tc_parent_table
{
    print "\n-> Updating tc_parent table\n";

    # Set all records to be invalid. Only mark them as valid if they appear on the new list.
    $sth = $dbh->prepare("update tc_parent set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %membership_data)
    {
	$hashref = $membership_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /HH Position/i &&
	       $membership_data{$index}{$key} =~ /Head of Household/i ||
	       $membership_data{$index}{$key} =~ /Spouse/i
	       ) {
		# Get some information from the hash about this parent
		$parent_name = $membership_data{$index}{'Preferred Name'};
		$parent_name =~ s/\'/\\'/g; #'
		$birthday = $membership_data{$index}{'Birth'};
		$birthday =~ /(\d+) (\S+) (\d+)/; $day=$1; $month=$monthname2num{$2}; $year=$3;
		$hofh_id = $membership_data{$index}{'HofH ID'};
		$id = $membership_data{$index}{'Indiv ID'};
		$phone = $membership_data{$index}{'Household Phone'};
		if($phone =~ /(\d\d\d-\d\d\d\d)/) { $phone = "$areacode-$1"; }
		if($phone =~ /^\(\d\d\d\) (\d\d\d-\d\d\d\d)/) { $phone = "$1-$2"; }
		$address = $membership_data{$index}{'Street 1'};
		if($membership_data{$index}{'Street 2'} ne "") { 
		    $address .= " " . $membership_data{$index}{'Street 2'};
		}

		# Find the family id for this parent's HofH_ID.
		$sth = $dbh->prepare("select * from tc_family where hofh_id='$hofh_id' and valid=1");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @family_data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@family_data, $sqlhashref); }
		my $family_rows = scalar @family_data;
		if($family_rows > 0) { $family_id = $family_data[0]->{'family'}; }
		else { $family_id = 0; }
		
		# Find out how many parents match this parent's name
		$sth = $dbh->prepare("select * from tc_parent where name='$parent_name'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		my $rows = scalar @data;
		
		if($rows == 0 && $family_rows > 0) {
		    # No existing records found for this parent, make a new entry
		    print "   Adding new Parent: $parent_name\n";
		    $sth = $dbh->prepare("insert into tc_parent values (NULL,$family_id,'$parent_name','$year-$month-$day','$phone','$address','$id',1)");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows == 1 && $family_rows > 0) {
		    # An existing record was found for this parent, update it
		    print "   Updating existing parent: $parent_name\n";
		    $sth = $dbh->prepare("update tc_parent set family='$family_id' where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_parent set birthday='$year-$month-$day' where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_parent set phone='$phone' where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_parent set address='$address' where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_parent set valid=1 where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_parent set indiv_id='$id' where name='$parent_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows > 1) {
		    # More than one record was found. Error! This shouldn't happen.
		    print "   -E- More than one record found with same parent name: $parent_name with hofh_id: $hofh_id\n";
		} else {
		    print "   -E- Unable to find a family to attach this parent to: $parent_name with hofh_id: $hofh_id\n";
		}
		$sth->finish();
	    }
	}
    }
}

# 3RD_CHILD
#+----------+------------------+------+-----+---------+-------+
#| Field    | Type             | Null | Key | Default | Extra |
#+----------+------------------+------+-----+---------+-------+
#| child    | int(16) unsigned |      | PRI | 0       |   A   |
#| family   | int(16) unsigned | YES  |     | NULL    |       |
#| name     | varchar(30)      | YES  |     | NULL    |       |
#| birthday | date             | YES  |     | NULL    |       |
#| indiv_id | int(16) unsigned | YES  | UNI | NULL    |       |
#| valid    | tinyint(1)       | YES  |     | NULL    |       |
#+----------+------------------+------+-----+---------+-------+
sub update_tc_child_table
{
    print "\n-> Updating tc_child table\n";

    # Set all records to be invalid. Only mark them as valid if they appear on the new list.
    $sth = $dbh->prepare("update tc_child set valid=0");
    $sth->execute or die "-E- DB error: $DBI::errstr\n";
    
    foreach $index (keys %membership_data)
    {
	$hashref = $membership_data{$index};
	foreach $key (keys %$hashref) {
	    if($key =~ /HH Position/i && $membership_data{$index}{$key} =~ /Other/i ) {
		$child_name = $membership_data{$index}{'Full Name'};
		$child_name =~ s/\'/\\'/g; #'
		$birthday = $membership_data{$index}{'Birth'};
		$birthday =~ /(\d+) (\S+) (\d+)/; $day=$1; $month=$monthname2num{$2}; $year=$3;
		$id = $membership_data{$index}{'Indiv ID'};
		$hofh_id = $membership_data{$index}{'HofH ID'};

		# Find the family id for this child's HofH_ID.
		$sth = $dbh->prepare("select * from tc_family where hofh_id='$hofh_id' and valid=1");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @family_data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@family_data, $sqlhashref); }
		my $family_rows = scalar @family_data;
		if($family_rows > 0) { $family_id = $family_data[0]->{'family'}; }
		else { $family_id = 0; }
		
		# Find out how many children have the same name for the same family
		$sth = $dbh->prepare("select * from tc_child where name='$child_name'");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@data, $sqlhashref); }
		my $rows = scalar @data;
		
		if($rows == 0 && $family_rows > 0) {
		    # No existing records found for this child, make a new entry
		    print "   Adding new Child: $child_name\n";
		    $sth = $dbh->prepare("insert into tc_child values (NULL,$family_id,'$child_name','$year-$month-$day','$id',1)");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} elsif($rows == 1 && $family_rows > 0) {
		    # An existing record was found for this child, update it
		    print "   Updating existing child: $child_name\n";
		    $sth = $dbh->prepare("update tc_child set family='$family_id' where name='$child_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_child set birthday='$year-$month-$day' where name='$child_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_child set valid=1 where name='$child_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		    $sth = $dbh->prepare("update tc_child set indiv_id='$id' where name='$child_name'");
		    $sth->execute or die "-E- DB error: $DBI::errstr\n";
		} else {
		    # More than one record was found. Error! This shouldn't happen.
		    print "   -E- More than one record found ($rows) with same child name: $child_name\n";
		}
		$sth->finish();
	    }
	}
    }
}

# 3RD_VISIT
#+----------------+------------------+------+-----+---------+-------+
#| Field          | Type             | Null | Key | Default | Extra |
#+----------------+------------------+------+-----+---------+-------+
#| visit          | int(16) unsigned |      | PRI | 0       |   A   |
#| family         | int(16) unsigned | YES  | UNI | NULL    |       |
#| companionship  | int(16) unsigned | YES  |     | NULL    |       |
#| date           | date             | YES  |     | NULL    |       |
#| notes          | varchar(128)     | YES  |     | NULL    |       |
#| visited        | varchar(1)       | YES  |     | NULL    |       |
#+----------------+------------------+------+-----+---------+-------+
sub update_tc_visit_table
{
	print "\n-> updating tc_visit table\n";
	
	my $month_header_retrieved = 0;
	my $month_header;
	my @data_months;
	my %months = ('Jan', 1, 'Feb', 2, 'Mar', 3, 'Apr', 4, 'May', 5, 'Jun', 6, 'Jul', 7, 'Aug', 8, 'Sep', 9, 'Oct', 10, 'Nov', 11, 'Dec', 12);
	($second, $minute, $hour, $dayOfMonth, $month, $yearOffset, $dayOfWeek, $dayOfYear, $daylightSavings) = localtime();
	my %visit_status = ('X', 'y', '-', 'n', '', '');
	
	foreach $index (keys %hometeaching_stats_data)
	{
		$hashref = $hometeaching_stats_data{$index};
		#foreach $key (keys %$hashref) {print "$key\n";}
		
		$family_name = $hometeaching_stats_data{$index}{"Preferred Name"};
		print "   Updating visit data: $family_name\n";

		# get family id from tc_family
		$sth = $dbh->prepare("select * from tc_family where name=\"$family_name\" and valid=1");
		$sth->execute or die "-E- DB error: $DBI::errstr\n";
		my @family_data = ();
		while($sqlhashref = $sth->fetchrow_hashref) { push(@family_data, $sqlhashref); }
		my $family_rows = scalar @family_data;
		if($family_rows > 0) { 
			$family_id = $family_data[0]->{'family'}; 
			$comp_id = $family_data[0]->{'companionship'};
		}
		else { next; }
		#print "family_id = $family_id\n";
		#print "comp_id = $comp_id\n";
		
		# ignore visits that weren't done by the EQ
		if ($comp_id == 0) { next; }
		
		# retrieve the month header if not already done
		if ($month_header_retrieved == 0)
		{
			foreach $key (keys %$hashref) 
			{
				if (($key ne "Preferred Name") && ($key ne "Home Teachers"))
				{
					$month_header = $key;
					@data_months = split /\t/, $key;
				}
			}
			$month_header_retrieved = 1;
		}
		
		# loop through history data
		@history = split /\t/, $hometeaching_stats_data{$index}{$month_header};
		my $data_year = 1900 + $yearOffset;
		my $data_month = $months{$data_months[-1]};
		#print "$month_header\n";
		#print $hometeaching_stats_data{$index}{$month_header};
		#print "\n";
		foreach $i (reverse(0..$#history)) {
			# went back a calendar year, decrement $data_year
			if ($months{$data_months[$i]} > $data_month)
			{
				$data_year -= 1;
			}
			$data_month = $months{$data_months[$i]};
			my $visit_date = sprintf("%4d-%02d-01\n", $data_year, $data_month);
			#print "$visit_date\n";
			my $importing_status = $visit_status{$history[$i]};
			#print "importing_status = $importing_status\n";
			#print "select * from tc_visit where family=$family_id and companionship=$comp_id and date='$visit_date'\n";
			$sth = $dbh->prepare("select * from tc_visit where family=$family_id and companionship=$comp_id and date='$visit_date'");
			$sth->execute or die "-E- DB error: $DBI::errstr\n";
			my @visit_data = ();
			while($sqlhashref = $sth->fetchrow_hashref) { push(@visit_data, $sqlhashref); }
			my $visit_rows = scalar @visit_data;
			if($visit_rows > 0) { 
				my $visited = $visit_data[0]->{'visited'}; 
				#print "visited = $visited\n";
				# update visit if data is different in tc_visit
				if ($visited ne $importing_status)
				{
					#print "importing_status = $importing_status\n";
					$sth = $dbh->prepare("update tc_visit set visited='$importing_status' where family='$family_id' and date='$visit_date' and companionship='$comp_id'");
					$sth->execute or die "-E- DB error: $DBI::errstr\n";
				}
			} else {
				if ($importing_status ne '')
				{
					# add visit if it doesn't exist in tc_visit
					$sth = $dbh->prepare("insert into tc_visit values (NULL, '$family_id', '$comp_id', '', '', '$visit_date', '', '$importing_status', 'hometeaching')");
					$sth->execute or die "-E- DB error: $DBI::errstr\n";
				}
			}
		}
	}
}

######################################################################
sub check_for_changed_ids
{
    # If the Indiv ID & HofH ID has changed between data sets, we could have problems
    my ($oldhashref, $newhashref) = @_;
    my $found_problem = 0;
    
    foreach $oldindex (keys %$oldhashref)
    {
	$indiv_id = $oldhashref->{$oldindex}{'Indiv ID'};
	$hofh_id  = $oldhashref->{$oldindex}{'HofH ID'};
	$full_name = $oldhashref->{$oldindex}{'Full Name'};
	$hh_position = $oldhashref->{$oldindex}{'HH Position'};
	if($hh_position =~ /Other/i) { next; }

	foreach $newindex (keys %$newhashref)
	{
	    if($newhashref->{$newindex}{'Full Name'} eq $full_name &&
	       $indiv_id != $newhashref->{$newindex}{'Indiv ID'})
	    {
		print "-W- Indiv ID for $full_name changed from $indiv_id to $newhashref->{$newindex}{'Indiv ID'}\n";
		$found_problem = 1;
	    }

	    if($newhashref->{$newindex}{'Full Name'} eq $full_name &&
	       $hofh_id != $newhashref->{$newindex}{'HofH ID'})
	    {
		print "-W- HofH ID for $full_name changed from $hofh_id to $newhashref->{$newindex}{'HofH ID'}\n";
		$found_problem = 1;
	    }
	}
    }
    
    return $found_problem;
}

######################################################################
# MAIN
######################################################################

###################################################
# Open a connection to the database
$dbh=DBI->connect("dbi:mysql:dbname=$dbname:host=$dbhost:port=$dbport",$dbuser,$dbpass,{
    AutoCommit=>0,
    PrintError=>0}) or print "Connect Failure:".$DBI::errstr."\n" and exit 2;

###################################################
# Check old directory against new directory to ensure
# that the Indiv ID & HofH ID have not changed between updates
if(defined $opt_o) {
    print "-> Comparing old data files to new ones: $opt_o => $opt_n\n";
    my %old_membership_data = ();
    my %new_membership_data = ();
    &csv_to_hash("$opt_o/Membership.csv",\%old_membership_data);
    &csv_to_hash("$opt_n/Membership.csv",\%new_membership_data);

    $changed_ids=&check_for_changed_ids(\%old_membership_data, \%new_membership_data);
    
    if($changed_ids) {
	print "\n";
	print "-E- Some Indiv IDs and HofH IDs have changed for Head of Households between \n";
	print "    $opt_o and $opt_n data sets.\n";
	print "    This script is not currently setup to handle this properly.\n";
	print "\n";
	print "    Exiting without updating...\n\n";
	exit;
    }
}

###################################################
# Process command line options
if(defined $opt_n) { $datadir = $opt_n; }
else { $datadir = shift(@ARGV); }
print "\n-> Processing all ward data files in $datadir\n";

###################################################
# Parse Ward Data Files
&optional_csv_to_hash("$datadir/EQ\ Prospective\ Elders.csv", \%prospective_elder_data);
&csv_to_hash("$datadir/Membership.csv",\%membership_data);
&csv_to_hash("$datadir/HomeTeaching.csv",\%hometeaching_data);
&csv_to_hash("$datadir/Organization.csv",\%organization_data);
&optional_csv_to_hash("$datadir/Home\ Teacher\ per\ Companionship.csv", \%hometeaching_stats_data);
%organization_by_name = ();
%organization_by_id = ();

if($opt_v) {
    print "-> Membership Data Dump\n\n";
    &print_hash(\%membership_data);
    print "-> HomeTeaching Data Dump\n\n";
    &print_hash(\%hometeaching_data);
    print "-> Organization Data Dump\n\n";
    &print_hash(\%organization_data);
    print "-> HomeTeaching Stats Data Dump\n\n";
    &print_hash(\%hometeaching_stats_data);
}

if($opt_s) { $dbh->disconnect(); exit; }

# Now update the various eq DB tables
&update_tc_calling_table();
&update_tc_indiv_table();
&update_tc_aaronic_table();
&update_tc_district_table();
&update_tc_companionship_table();
&update_tc_family_table();
&update_tc_parent_table();
&update_tc_child_table();
&update_tc_visit_table();

print "\n-> Import Successful! DONE...\n";

###################################################
# Disconnect from the database
$dbh->disconnect();

######################################################################