#!/usr/bin/perl
#
# agi-VDAD_RINGALL.agi version 2.4
# 
# NOTE: this script is used for on-hook agents to be connected to customer calls
# when they answer their ringing phones
#
# In the default dialplan context, this is set to the following:
# ; these are used for the ring_all function in VICIDIAL
# exten => _8331*.,1,Playback(sip-silence)
# exten => _8331*.,n,AGI(agi-VDAD_RINGALL.agi,${EXTEN})
# exten => _8331*.,n,AGI(agi-VDAD_RINGALL.agi,${EXTEN})
# exten => _8331*.,n,Hangup
#
# Copyright (C) 2011  Matt Florell <vicidial@gmail.com>    LICENSE: AGPLv2
#
# changes:
# 110303-2325 - First build
# 110324-2328 - Added recording of remote agent calls, per in-group and campaign recording settings
#

$script = 'agi-VDAD_RINGALL.agi';

($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
$year = ($year + 1900);
$mon++;
if ($mon < 10) {$mon = "0$mon";}
if ($mday < 10) {$mday = "0$mday";}
if ($hour < 10) {$hour = "0$hour";}
if ($min < 10) {$min = "0$min";}
if ($sec < 10) {$sec = "0$sec";}
$now_date_epoch = time();
$now_date = "$year-$mon-$mday $hour:$min:$sec";
$now_num = "$year$mon$mday$hour$min$sec";
$S='*';

# default path to astguiclient configuration file:
$PATHconf =		'/etc/astguiclient.conf';

open(conf, "$PATHconf") || die "can't open $PATHconf: $!\n";
@conf = <conf>;
close(conf);
$i=0;
foreach(@conf)
	{
	$line = $conf[$i];
	$line =~ s/ |>|\n|\r|\t|\#.*|;.*//gi;
	if ( ($line =~ /^PATHhome/) && ($CLIhome < 1) )
		{$PATHhome = $line;   $PATHhome =~ s/.*=//gi;}
	if ( ($line =~ /^PATHlogs/) && ($CLIlogs < 1) )
		{$PATHlogs = $line;   $PATHlogs =~ s/.*=//gi;}
	if ( ($line =~ /^PATHagi/) && ($CLIagi < 1) )
		{$PATHagi = $line;   $PATHagi =~ s/.*=//gi;}
	if ( ($line =~ /^PATHweb/) && ($CLIweb < 1) )
		{$PATHweb = $line;   $PATHweb =~ s/.*=//gi;}
	if ( ($line =~ /^PATHsounds/) && ($CLIsounds < 1) )
		{$PATHsounds = $line;   $PATHsounds =~ s/.*=//gi;}
	if ( ($line =~ /^PATHmonitor/) && ($CLImonitor < 1) )
		{$PATHmonitor = $line;   $PATHmonitor =~ s/.*=//gi;}
	if ( ($line =~ /^VARserver_ip/) && ($CLIserver_ip < 1) )
		{$VARserver_ip = $line;   $VARserver_ip =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_server/) && ($CLIDB_server < 1) )
		{$VARDB_server = $line;   $VARDB_server =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_database/) && ($CLIDB_database < 1) )
		{$VARDB_database = $line;   $VARDB_database =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_user/) && ($CLIDB_user < 1) )
		{$VARDB_user = $line;   $VARDB_user =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_pass/) && ($CLIDB_pass < 1) )
		{$VARDB_pass = $line;   $VARDB_pass =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_port/) && ($CLIDB_port < 1) )
		{$VARDB_port = $line;   $VARDB_port =~ s/.*=//gi;}
	$i++;
	}


if (!$VARDB_port) {$VARDB_port='3306';}
if (!$AGILOGfile) {$AGILOGfile = "$PATHlogs/agiout.$year-$mon-$mday";}

use DBI;
use Asterisk::AGI;
$AGI = new Asterisk::AGI;

$dbhA = DBI->connect("DBI:mysql:$VARDB_database:$VARDB_server:$VARDB_port", "$VARDB_user", "$VARDB_pass")
    or die "Couldn't connect to database: " . DBI->errstr;

### Grab Server values from the database
$stmtA = "SELECT agi_output,ext_context FROM servers where server_ip = '$VARserver_ip';";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$sthArows=$sthA->rows;
$rec_count=0;
while ($sthArows > $rec_count)
	{
	$AGILOG = '0';
	@aryA = $sthA->fetchrow_array;
	$DBagi_output =	$aryA[0];
	$ext_context =	$aryA[1];
	if ($DBagi_output =~ /STDERR/)	{$AGILOG = '1';}
	if ($DBagi_output =~ /FILE/)	{$AGILOG = '2';}
	if ($DBagi_output =~ /BOTH/)	{$AGILOG = '3';}
	$rec_count++;
	}
$sthA->finish();


### begin parsing run-time options ###
$|=1;
while(<STDIN>) 
	{
	chomp;
	last unless length($_);
	if ($AGILOG)
		{
		if (/^agi_(\w+)\:\s+(.*)$/)
			{
			$AGI{$1} = $2;
			}
		}

	if (/^agi_uniqueid\:\s+(.*)$/)		{$unique_id = $1;}
	if (/^agi_channel\:\s+(.*)$/)		{$channel = $1;}
	if (/^agi_extension\:\s+(.*)$/)		{$extension = $1;}
	if (/^agi_type\:\s+(.*)$/)		{$type = $1;}
	if (/^agi_callerid\:\s+(.*)$/)		{$callerid = $1;}
	if (/^agi_calleridname\:\s+(.*)$/)	{$calleridname = $1;}
	if ( $calleridname =~ /\"/)  {$calleridname =~ s/\"//gi;}
	if ( (!$callerid) or ($callerid =~ /unknown/) or ( ($calleridname =~ /\d\d\d\d\d\d\d\d\d/) && (length($calleridname) > 16) ) )
		{$callerid = $calleridname;}
	if ( ($callerid =~ / /) && (length($callerid) > 20) )
		{$callerid =~ s/ .*//gi;}
	$calleridname = $callerid;

	if ($extension =~ /^8331\*\d/)
		{
		@EXTEN_vars = split(/\*/, $extension);
		$auto_call_id =		$EXTEN_vars[1];
		$call_callerid =	$EXTEN_vars[2];
		$dial_user =		$EXTEN_vars[3];
		$phone_exten =		$EXTEN_vars[4];
		$channel_root = $channel;
		$channel_root =~ s/\,.*//gi;
		}
	}


if ($AGILOG) {$agi_string = "AGI Environment Dump:";   &agi_output;}

foreach $i (sort keys %AGI) 
	{
	if ($AGILOG) {$agi_string = " -- $i = $AGI{$i}";   &agi_output;}
	}


if ($AGILOG) {$agi_string = "AGI Variables: |$unique_id|$channel|$extension|$type|$callerid|$auto_call_id|";   &agi_output;}

if ($AGILOG) {$agi_string = "RING-AGENT AGI STARTED";   &agi_output;}


### Hangup if Local/ channel, since these are usually invalid or voicemail
if ($channel =~ /^Local/)
	{
	$AGI->stream_file('sip-silence');
	$AGI->stream_file('sip-silence');
	$AGI->stream_file('sip-silence');
	if ($AGILOG) {$agi_string = "RING-ALL AGI Local Channel, exiting...";   &agi_output;}
	exit;
	}


### Check that the call exists, if not then buzz and hangup ###
$stmtA = "SELECT campaign_id,call_type,extension,phone_number,lead_id FROM vicidial_auto_calls where auto_call_id='$auto_call_id';";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$VACcount=$sthA->rows;
if ($VACcount > 0)
	{
	@aryA = $sthA->fetchrow_array;
	$VAC_campaign_id =	$aryA[0];
	$VAC_call_type =	$aryA[1];
	$VAC_extension =	$aryA[2];
	$VAC_phone_number =	$aryA[3];
	$VAC_lead_id =		$aryA[4];
	if ($AGILOG) {$agi_string = "--    VAC Call Found: |$callerid|$VAC_campaign_id|$VAC_call_type|$VAC_extension|$VAC_phone_number|$VAC_lead_id|$auto_call_id|";   &agi_output;}
	$sthA->finish();
	}
else
	{
	if ($AGILOG) {$agi_string = "--    VAC Call Not Found, exiting: |$callerid|$auto_call_id|";   &agi_output;}
	$AGI->stream_file('buzz');
	$AGI->hangup();
	exit;
	}


### Check that the user exists in vicidial_live_agents, if not then buzz and hangup ###
$stmtA = "SELECT conf_exten,extension,server_ip,ra_user,campaign_id from vicidial_live_agents WHERE user='$dial_user' and status IN('READY','CLOSER');";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$VLAcount=$sthA->rows;
if ($VLAcount > 0)
	{
	@aryA = $sthA->fetchrow_array;
	$VLAconf_exten	=	$aryA[0];
	$VLAextension	=	$aryA[1];
	$VLAserver_ip =		$aryA[2];
	$VLAra_user	=		$aryA[3];
	$VLAcampaign_id =	$aryA[4];
	if ($AGILOG) {$agi_string = "--    VLA Agent Found: |$callerid|$VLAconf_exten|$VLAextension|$VLAserver_ip|$VLAra_user|$VLAcampaign_id|$auto_call_id|";   &agi_output;}
	$sthA->finish();
	}
else
	{
	if ($AGILOG) {$agi_string = "--    VLA Agent Not Found, exiting: |$callerid|$auto_call_id|$dial_user|";   &agi_output;}
	$AGI->stream_file('buzz');
	$AGI->hangup();
	exit;
	}


### Check that the call has not been grabbed already, if it has then buzz and hangup ###
$stmtA = "SELECT count(*) FROM vicidial_auto_calls where auto_call_id='$auto_call_id' and agent_grab='';";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$NAGcount=$sthA->rows;
if ($NAGcount > 0)
	{
	@aryA = $sthA->fetchrow_array;
	$not_grabbed_count =	$aryA[0];
	$sthA->finish();

	if ($not_grabbed_count > 0)
		{
		if ($VLAextension =~ /^R\//)
			{
			### BEGIN If remote agent, then reserve a vicidial_conferences session on their server to send the calls to ###
			$stmtA="SELECT count(*) FROM vicidial_conferences where server_ip='$VLAserver_ip' and ((extension='') or (extension is null)) and conf_exten != '$VLAconf_exten';";
			$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
			$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
			$AVCcount=$sthA->rows;
			if ($AVCcount > 0)
				{
				@aryA = $sthA->fetchrow_array;
				$available_sessions =	$aryA[0];
				$sthA->finish();
				if ($available_sessions > 0)
					{
					$stmtA="UPDATE vicidial_conferences set extension='3WAY_$dial_user', leave_3way='1', leave_3way_datetime='$now_date' where server_ip='$VLAserver_ip' and ((extension='') or (extension is null)) and conf_exten != '$VLAconf_exten' limit 1;";
					$AVCaffected_rows = $dbhA->do($stmtA);  
					if ($AVCaffected_rows)
						{
						$stmtA="SELECT conf_exten from vicidial_conferences where server_ip='$VLAserver_ip' and extension='3WAY_$dial_user' and leave_3way_datetime='$now_date' and conf_exten != '$VLAconf_exten';";
						$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
						$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
						$SVCcount=$sthA->rows;
						if ($SVCcount > 0)
							{
							@aryA = $sthA->fetchrow_array;
							$VLAconf_exten =	$aryA[0];
							$sthA->finish();
							if ($AGILOG) {$agi_string = "--    AVC Session Reserved: |$callerid|$auto_call_id|$dial_user|3WAY_$dial_user|$now_date|$VLAconf_exten|";   &agi_output;}

							if (length($VLAcampaign_id) > 0)
								{
								$stmtA = "SELECT campaign_recording,campaign_rec_filename FROM vicidial_campaigns where campaign_id='$VLAcampaign_id';";
								$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
								$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
								$VCRcount=$sthA->rows;
								if ($VCRcount > 0)
									{
									@aryA = $sthA->fetchrow_array;
									$campaign_recording =		$aryA[0];
									$campaign_rec_filename =	$aryA[1];
									}
								$sthA->finish();
								}

							### if recording is enabled then start recording on this call before sending to a remote agent
							if ($campaign_recording =~ /ALLCALLS|ALLFORCE/)
								{
								$stmtA = "SELECT vendor_lead_code FROM vicidial_list where lead_id='$VAC_lead_id';";
								$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
								$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
								$sthArows=$sthA->rows;
								if ($sthArows > 0)
									{
									@aryA = $sthA->fetchrow_array;
									$vendor_lead_code =	$aryA[0];
									}
								$sthA->finish();

								# get date/time
								($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
								$year = ($year + 1900);
								$Tyear = ($year - 2000);
								$mon++;
								if ($mon < 10)	{$mon = "0$mon";}
								if ($mday < 10) {$mday = "0$mday";}
								if ($hour < 10) {$hour = "0$hour";}
								if ($min < 10)	{$min = "0$min";}
								if ($sec < 10)	{$sec = "0$sec";}

								$now_date_epoch = time();
								$now_date = "$year-$mon-$mday $hour:$min:$sec";
								$recdate = "$year$mon$mday-$hour$min$sec";
								$tinydate = "$Tyear$mon$mday$hour$min$sec";

								$campaign_rec_filename =~ s/CAMPAIGN/$VLAcampaign_id/gi;
								$campaign_rec_filename =~ s/CUSTPHONE/$VAC_phone_number/gi;
								$campaign_rec_filename =~ s/FULLDATE/$recdate/gi;
								$campaign_rec_filename =~ s/TINYDATE/$tinydate/gi;
								$campaign_rec_filename =~ s/EPOCH/$now_date_epoch/gi;
								$campaign_rec_filename =~ s/AGENT/$dial_user/gi;
								$campaign_rec_filename =~ s/VENDORLEADCODE/$vendor_lead_code/gi;
								$campaign_rec_filename =~ s/LEADID/$VAC_lead_id/gi;
								$campaign_rec_filename =~ s/\"|\'//gi;

								$AGI->exec("Monitor wav|/var/spool/asterisk/monitor/MIX/$campaign_rec_filename"); 

								### insert record into recording_log table ###
								$stmtA = "INSERT INTO recording_log (channel,server_ip,extension,start_time,start_epoch,length_in_sec,filename,lead_id,user,location,vicidial_id) values('$channel','$VARserver_ip','$VAC_phone_number','$now_date','$now_date_epoch','0','$campaign_rec_filename','$VAC_lead_id','$dial_user','$campaign_rec_filename','$uniqueid');";
								$RLRAaffected_rows = $dbhA->do($stmtA);
								if ($AGILOG) {$agi_string = "--    REMOTE RECORDING STARTED : |$RLRAaffected_rows|$campaign_rec_filename|$stmtA|";   &agi_output;}
								}
							}
						else
							{
							if ($AGILOG) {$agi_string = "--    AVC No Available Sessions(SELECT3), exiting: |$VLAserver_ip|$auto_call_id|$dial_user|$VLAextension$now_num|";   &agi_output;}
							$AGI->stream_file('buzz');
							$AGI->hangup();
							exit;
							}
						}
					else
						{
						if ($AGILOG) {$agi_string = "--    AVC No Available Sessions(UPDATE), exiting: |$VLAserver_ip|$auto_call_id|$dial_user|";   &agi_output;}
						$AGI->stream_file('buzz');
						$AGI->hangup();
						exit;
						}
					}
				else
					{
					if ($AGILOG) {$agi_string = "--    AVC No Available Sessions(SELECT2), exiting: |$VLAserver_ip|$auto_call_id|$dial_user|";   &agi_output;}
					$AGI->stream_file('buzz');
					$AGI->hangup();
					exit;
					}
				}
			else
				{
				if ($AGILOG) {$agi_string = "--    AVC No Available Sessions(SELECT), exiting: |$VLAserver_ip|$auto_call_id|$dial_user|";   &agi_output;}
				$AGI->stream_file('buzz');
				$AGI->hangup();
				exit;
				}
			### END If remote agent, then reserve a vicidial_conferences session on their server to send the calls to ###
			}

		### Try to grab the call for this agent, if already grabbed then buzz and hangup ###
		$stmtA = "UPDATE vicidial_auto_calls SET agent_grab='$dial_user',agent_grab_extension='$VLAconf_exten' where auto_call_id='$auto_call_id' and agent_grab='';";
		$AGaffected_rows = $dbhA->do($stmtA);  
		if ($AGaffected_rows)
			{
			if ($AGILOG) {$agi_string = "--    VAC Call Grabbed: |$callerid|$auto_call_id|$dial_user|$AGaffected_rows|";   &agi_output;}

			### send agent to their session ###
			if($VLAserver_ip =~ m/(\S+)\.(\S+)\.(\S+)\.(\S+)/ )
				{
				$a = leading_zero($1);
				$b = leading_zero($2);
				$c = leading_zero($3);
				$d = leading_zero($4);
				$VLA_DIALstr = "$a$S$b$S$c$S$d$S";
				}
			$VLA_DIALstr .= "7$VLAconf_exten";

			$AGI->stream_file('sip-silence');
			$AGI->stream_file('sip-silence');
			$AGI->stream_file('sip-silence');
			$AGI->stream_file('sip-silence');

			if ($AGILOG) {$agi_string = "--    Ring-Agent Sending Call: |$callerid|$auto_call_id|$dial_user|$VLA_DIALstr|";   &agi_output;}

			print "SET CONTEXT $ext_context\n";
				checkresult($result);
			print "SET EXTENSION $VLA_DIALstr\n";
				checkresult($result);
			print "SET PRIORITY 1\n";
				checkresult($result);
			
			$dbhA->disconnect();

			exit;
			}
		else
			{
			if ($AGILOG) {$agi_string = "--    VAC Call Already Grabbed(UPDATE2), exiting: |$callerid|$auto_call_id|$dial_user|$AGaffected_rows|";   &agi_output;}
			$AGI->stream_file('buzz');
			$AGI->hangup();
			exit;
			}
		}
	else
		{
		if ($AGILOG) {$agi_string = "--    VAC Call Already Grabbed(UPDATE), exiting: |$callerid|$auto_call_id|$dial_user|$AGaffected_rows|";   &agi_output;}
		$AGI->stream_file('buzz');
		$AGI->hangup();
		exit;
		}
	}
else
	{
	if ($AGILOG) {$agi_string = "--    VAC Call Already Grabbed(SELECT), exiting: |$callerid|$auto_call_id|$dial_user|$AGaffected_rows|";   &agi_output;}
	$AGI->stream_file('buzz');
	$AGI->hangup();
	exit;
	}












if ($AGILOG) {$agi_string = "--    sleeping: |$callerid|$auto_call_id|";   &agi_output;}

sleep(10);

exit;


$dbhA->disconnect();


$AGI->stream_file('sip-silence');

if ($AGILOG) {$agi_string = "--    Exiting Ring-Agent AGI:  |$callerid|";   &agi_output;}

exit;





sub agi_output
	{
	if ($AGILOG >=2)
		{
		### open the log file for writing ###
		open(Lout, ">>$AGILOGfile")
				|| die "Can't open $AGILOGfile: $!\n";
		print Lout "$now_date|$script|$agi_string\n";
		close(Lout);
		}
		### send to STDERR writing ###
	if ( ($AGILOG == '1') || ($AGILOG == '3') )
		{print STDERR "$now_date|$script|$agi_string\n";}
	$agi_string='';
	}


sub checkresult 
	{
	my ($res) = @_;
	my $retval;
	$tests++;
	chomp $res;
	if ($res =~ /^200/) 
		{
		$res =~ /result=(-?\d+)/;
		if (!length($1)) 
			{
		#	print STDERR "FAIL ($res)\n";
			$fail++;
			}
		else 
			{
		#	print STDERR "PASS ($1)\n";
			$pass++;
			}
		}
	else 
		{
		#	print STDERR "FAIL (unexpected result '$res')\n";
			$fail++;
		}
	}


sub leading_zero($) 
	{
	$_ = $_[0];
	s/^(\d)$/0$1/;
	s/^(\d\d)$/0$1/;
	return $_;
	} # End of the leading_zero() routine.