#!/usr/bin/perl
use warnings;
use strict;
use DBI;
use Getopt::Long;
use Net::FTP;

$|++;    # Autoflush

my $username = 'ase_lar';
my $password = 'laravel';
my $db_name  = 'ase_lar';
my $server   = 'localhost';
my $matlab_timestamp;
my $ftp_send = 1;
my $ftp_addrs;
my $ftp_user;
my $ftp_passwd;
my $ftp_parm;
my $ftp_filename;
my $ftp_target;
my $duedate = '';
my ( $unit, $tool );

sub getTimeStamp
{    # parm [ts] => timestamp for filename; log => timestamp for log
    my $format = "%04d%02d%02d%02d%02d%02d";
    my ($p1) = @_;
    if ( defined $p1 and $p1 eq "log" ) {
        $format = "%04d%02d%02d %02d:%02d:%02d";
    }
    if ( defined $p1 and $p1 eq "db_ts" ) {
        $format = "%04d-%02d-%02d %02d:%02d:%02d";
    }
    my ( $sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst ) =
      localtime(time);
    my $timestamp =
      sprintf( $format, $year + 1900, $mon + 1, $mday, $hour, $min, $sec );
    return $timestamp;
}

sub trxelab {
    my $dbh =
      DBI->connect( "DBI:mysql:$db_name;host=$server", $username, $password )
      or die getTimeStamp("log")
      . " - pid $$ >> Could not connect to database: $DBI::errstr";

    my $sth = $dbh->prepare(
'select ftp_addrs, ftp_user, ftp_passwd, ftp_parm, ftp_filename, ftp_target, duedate from units
                where name = "' . $unit . '";'
    ) or die getTimeStamp("log") . " - pid $$ >> $DBI::errstr";

    $sth->execute();
    if ( $sth->rows eq 0 ) {
        die getTimeStamp("log") . " - pid $$ >> No unit ftp params selected.\n";
    }
    else {
        while ( my $results = $sth->fetchrow_hashref ) {
            $ftp_addrs    = $results->{'ftp_addrs'};
            $ftp_user     = $results->{'ftp_user'};
            $ftp_passwd   = $results->{'ftp_passwd'};
            $ftp_parm     = $results->{'ftp_parm'};
            $ftp_filename = $results->{'ftp_filename'};
            $ftp_target   = $results->{'ftp_target'};
            $duedate      = $results->{'duedate'};
        }
    }

    $sth->finish;

    # Disconnect

    my $fileelab;

    if ( $ftp_filename eq "" ) {
        $fileelab =
            '/var/lib/mysql-files/'
          . $tool . '_'
          . getTimeStamp()
          . '.csv';  #mettere quello che si prende da query *** aggiungere $unit
    }
    else {
        $ftp_filename =~ s/(\$\w+)/$1/eeg;
        $ftp_filename =~ s/\s/_/g;
        $fileelab =
            '/var/lib/mysql-files/'
          . $ftp_filename . '_'
          . getTimeStamp() . '.csv';
    }

    my $sthdo = $dbh->do(
        qq{
    select * from  (
        select 'ToolNameID', 'EventDate', 'EventTime', 'NodeNum', 'NodeType', 'NodeDepth',
        'XShift', 'YShift', 'ZShift' , 'X', 'Y', 'Z', 'HShift', 'HShiftDir', 'HShift_local',
        'speed', 'speed_local', 'acceleration', 'acceleration_local', 'T_node', 'water_level', 'pressure', 'load_value', 'AlfaX', 'AlfaY', 'CalcErr'
      union all
        select ToolNameID, EventDate, EventTime, NodeNum, NodeType, NodeDepth,
        XShift, YShift, ZShift , X, Y, Z, HShift, HShiftDir, HShift_local,
        speed, speed_local, acceleration, acceleration_local, T_node, water_level, pressure, load_value, AlfaX, AlfaY, calcerr
        from elabdataview
        where UnitName = '$unit' and ToolNameID = '$tool' and updated_at > '$matlab_timestamp'
        order by ToolNameID DESC, EventDate, EventTime, convert(`NodeNum`, UNSIGNED INTEGER) DESC
    ) resulting_set
    into outfile '$fileelab'
    fields terminated by ',' optionally enclosed by '"' lines terminated by '\n'}
    ) or die getTimeStamp("log") . " - pid $$ >> $DBI::errstr";

    $dbh->disconnect;

    $ftp_parm //= "";
    $ftp_parm =~ s/\s//g;

    my %ftp_parms = ( 'Host' => $ftp_addrs, );
    $ftp_parms{'Debug'}   = 0;
    $ftp_parms{'Passive'} = 1;

    foreach my $parm ( split( /,/, $ftp_parm ) ) {
        my ( $key, $val ) = split( /=>/, $parm );
        $ftp_parms{$key} = $val;
    }

    print getTimeStamp("log") . " - pid $$ >> $unit - $tool ftp parm:\n";

    while ( my ( $key, $value ) = each(%ftp_parms) ) {
        print getTimeStamp("log")
          . " - pid $$ >>         $key = $ftp_parms{$key}\n";
    }

    if (   !defined $duedate
        or ( $duedate eq '0000-00-00 00:00:00' )
        or ( $duedate eq '' )
        or ( $duedate gt getTimeStamp("db_ts") ) )
    {
        my $ftp = Net::FTP->new(%ftp_parms)
          or die getTimeStamp("log")
          . " - pid $$ >> Cannot connect to $ftp_addrs: $@ \n";

        $ftp->starttls() if exists $ftp_parms{'SSL_version'};

        $ftp->login( $ftp_user, $ftp_passwd )
          or die getTimeStamp("log")
          . " - pid $$ >> Cannot login "
          . $ftp->message . "\n";

        $ftp_target //= "";
        if ( $ftp_target ne "" ) {
            $ftp->cwd($ftp_target)
              or die getTimeStamp("log")
              . " - pid $$ >> Change remote dir failed "
              . $ftp->message . "\n";
        }

        print getTimeStamp("log")
          . " - pid $$ >> ftp target: "
          . $ftp->pwd() . ".\n";

        $ftp->put($fileelab)
          or die getTimeStamp("log")
          . " - pid $$ >> Put failed: "
          . $ftp->message . "\n";

        print getTimeStamp("log")
          . " - pid $$ >> ftp target lists "
          . scalar @{ $ftp->ls() }
          . " elements.\n";

        $ftp->quit;
        print getTimeStamp("log")
          . " - pid $$ >> $unit - $tool: $fileelab ftp put executed.\n";
    }
    else {
        print getTimeStamp("log")
          . " - pid $$ >> $unit - $tool: $fileelab ftp put didn't executed because due date reached.\n";
    }
    return;
}

my $starttime = getTimeStamp("log");
print "$starttime - pid $$ >> Start execution.\n";

GetOptions(
    "matlabts=s" => \$matlab_timestamp,
    "unit=s"     => \$unit,
    "tool=s"     => \$tool
) or die("Error in command line arguments\n");

print getTimeStamp("log")
  . " - pid $$ >> Send via FTP elab data for $unit - $tool.\n";

if ( $tool eq 'DT0076' ) {
    sleep(600);
}

trxelab();

print getTimeStamp("log") . " - pid $$ >> Execution ended.\n";
exit;