#!/usr/bin/env php
<?php
/*
 * Copyright (C) 2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2005-2013 Laurent Destailleur <eldy@users.sourceforge.net>
 * Copyright (C) 2013 Juanjo Menent <jmenent@2byte.es>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * \file scripts/contracts/email_expire_services_to_representatives.php
 * \ingroup contracts
 * \brief Script to send a mail to dolibarr users linked to companies with services to expire
 */
$sapi_type = php_sapi_name();
$script_file = basename(__FILE__);
$path = __DIR__ . '/';

// Test si mode batch
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi') {
	echo "Error: You are using PHP for CGI. To execute " . $script_file . " from command line, you must use PHP for CLI mode.\n";
	exit(- 1);
}

if (! isset($argv[1]) || ! $argv[1] || ! in_array($argv[1], array('test','confirm'))) {
	print "Usage: $script_file (test|confirm) [delay]\n";
	print "\n";
	print "Send an email to remind all contracts services to expire, to users that are sale representative for.\n";
	print "If you choose 'test' mode, no emails are sent.\n";
	print "If you add a delay (nb of days), only services with expired date < today + delay are included.\n";
	exit(- 1);
}
$mode = $argv[1];

require $path . "../../htdocs/master.inc.php";
require_once DOL_DOCUMENT_ROOT . "/core/class/CMailFile.class.php";

$langs->loadLangs(array('main','contracts'));

// Global variables
$version = DOL_VERSION;
$error = 0;

/*
 * Main
 */

@set_time_limit(0);
print "***** " . $script_file . " (" . $version . ") pid=" . dol_getmypid() . " *****\n";
dol_syslog($script_file . " launched with arg " . join(',', $argv));

$now = dol_now('tzserver');
$duration_value = isset($argv[2]) ? $argv[2] : 'none';

print $script_file . " launched with mode " . $mode . " default lang=" . $langs->defaultlang . (is_numeric($duration_value) ? " delay=" . $duration_value : "") . "\n";

if ($mode != 'confirm')
	$conf->global->MAIN_DISABLE_ALL_MAILS = 1;

$sql = "SELECT DISTINCT c.ref, c.fk_soc, cd.date_fin_validite, cd.total_ttc, cd.description as description, p.label as plabel, s.rowid, s.nom as name, s.email, s.default_lang,";
$sql .= " u.rowid as uid, u.lastname, u.firstname, u.email, u.lang";
$sql .= " FROM " . MAIN_DB_PREFIX . "societe AS s, " . MAIN_DB_PREFIX . "contrat AS c, " . MAIN_DB_PREFIX . "contratdet AS cd";
$sql .= " LEFT JOIN " . MAIN_DB_PREFIX . "product AS p ON p.rowid = cd.fk_product, " . MAIN_DB_PREFIX . "societe_commerciaux AS sc, " . MAIN_DB_PREFIX . "user AS u";
$sql .= " WHERE s.rowid = c.fk_soc AND c.rowid = cd.fk_contrat AND c.statut > 0 AND cd.statut<5";
if (is_numeric($duration_value))
	$sql .= " AND cd.date_fin_validite < '" . $db->idate(dol_time_plus_duree($now, $duration_value, "d")) . "'";
$sql .= " AND sc.fk_soc = s.rowid AND sc.fk_user = u.rowid";
$sql .= " ORDER BY u.email ASC, s.rowid ASC, c.ref ASC"; // Order by email to allow one message per email

// print $sql;
$resql = $db->query($sql);
if ($resql) {
	$num = $db->num_rows($resql);
	$i = 0;
	$oldemail = 'none';
	$olduid = 0;
	$oldlang = '';
	$total = 0;
	$foundtoprocess = 0;
	print "We found " . $num . " couples (services to expire - sale representative) qualified\n";
	dol_syslog("We found " . $num . " couples (services to expire - sale representative) qualified");
	$message = '';

	if ($num) {
		while ($i < $num) {
			$obj = $db->fetch_object($resql);

			if (($obj->email != $oldemail || $obj->uid != $olduid) || $oldemail == 'none') {
				// Break onto sales representative (new email or uid)
				if (dol_strlen($oldemail) && $oldemail != 'none') {
					envoi_mail($mode, $oldemail, $message, $total, $oldlang, $oldsalerepresentative, $duration_value);
				} else {
					if ($oldemail != 'none')
						print "- No email sent for " . $oldsalerepresentative . ", total: " . $total . "\n";
				}
				$oldemail = $obj->email;
				$olduid = $obj->uid;
				$oldlang = $obj->lang;
				$oldsalerepresentative = dolGetFirstLastname($obj->firstname, $obj->lastname);
				$message = '';
				$total = 0;
				$foundtoprocess = 0;
				$salerepresentative = dolGetFirstLastname($obj->firstname, $obj->lastname);
				if (empty($obj->email))
					print "Warning: Sale representative " . $salerepresentative . " has no email. Notice disabled.\n";
			}

			// Define line content
			$outputlangs = new Translate('', $conf);
			$outputlangs->setDefaultLang(empty($obj->lang) ? $langs->defaultlang : $obj->lang); // By default language of sale representative

			// Load translation files required by the page
			$outputlangs->loadLangs(array("main","contracts","bills","products"));

			if (dol_strlen($obj->email)) {
				$message .= $outputlangs->trans("Contract") . " " . $obj->ref . ": " . $langs->trans("Service") . " " . dol_concatdesc($obj->plabel, $obj->description) . " (" . price($obj->total_ttc, 0, $outputlangs, 0, 0, - 1, $conf->currency) . ") " . $obj->name . ", " . $outputlangs->trans("DateEndPlannedShort") . " " . dol_print_date($db->jdate($obj->date_fin_validite), 'day') . "\n\n";
				dol_syslog("email_expire_services_to_representatives.php: " . $obj->email);
				$foundtoprocess ++;
			}
			print "Service to expire " . $obj->ref . ", label " . dol_concatdesc($obj->plabel, $obj->description) . ", due date " . dol_print_date($db->jdate($obj->date_fin_validite), 'day') . " (linked to company " . $obj->name . ", sale representative " . dolGetFirstLastname($obj->firstname, $obj->lastname) . ", email " . $obj->email . "): ";
			if (dol_strlen($obj->email))
				print "qualified.";
			else
				print "disqualified (no email).";
			print "\n";

			unset($outputlangs);

			$total += $obj->total_ttc;
			$i ++;
		}

		// Si il reste des envois en buffer
		if ($foundtoprocess) {
			if (dol_strlen($oldemail) && $oldemail != 'none') // Break onto email (new email)
			{
				envoi_mail($mode, $oldemail, $message, $total, $oldlang, $oldsalerepresentative, $duration_value);
			} else {
				if ($oldemail != 'none')
					print "- No email sent for " . $oldsalerepresentative . ", total: " . $total . "\n";
			}
		}
	} else {
		print "No services to expire (for companies linked to a particular commercial dolibarr user) found\n";
	}

	exit(0);
} else {
	dol_print_error($db);
	dol_syslog("email_expire_services_to_representatives.php: Error");

	exit(- 1);
}

/**
 * Send email
 *
 * @param string $mode					Mode (test | confirm)
 * @param string $oldemail				Old email
 * @param string $message				Message to send
 * @param string $total					Total amount of unpayed invoices
 * @param string $userlang				Code lang to use for email output.
 * @param string $oldsalerepresentative	Old sale representative
 * @param int $duration_value			Duration value
 * @return int 							<0 if KO, >0 if OK
 */
function envoi_mail($mode, $oldemail, $message, $total, $userlang, $oldsalerepresentative, $duration_value)
{
	global $conf, $langs;

	if (getenv('DOL_FORCE_EMAIL_TO'))
		$oldemail = getenv('DOL_FORCE_EMAIL_TO');

	$newlangs = new Translate('', $conf);
	$newlangs->setDefaultLang(empty($userlang) ? (empty($conf->global->MAIN_LANG_DEFAULT) ? 'auto' : $conf->global->MAIN_LANG_DEFAULT) : $userlang);
	$newlangs->load("main");
	$newlangs->load("contracts");

	if ($duration_value) {
		if ($duration_value > 0)
			$title = $newlangs->transnoentities("ListOfServicesToExpireWithDuration", $duration_value);
		else
			$title = $newlangs->transnoentities("ListOfServicesToExpireWithDurationNeg", $duration_value);
	} else
		$title = $newlangs->transnoentities("ListOfServicesToExpire");

	$subject = (empty($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_SUBJECT) ? $title : $conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_SUBJECT);
	$sendto = $oldemail;
	$from = $conf->global->MAIN_MAIL_EMAIL_FROM;
	$errorsto = $conf->global->MAIN_MAIL_ERRORS_TO;
	$msgishtml = - 1;

	print "- Send email for " . $oldsalerepresentative . " (" . $oldemail . "), total: " . $total . "\n";
	dol_syslog("email_expire_services_to_representatives.php: send mail to " . $oldemail);

	$usehtml = 0;
	if (dol_textishtml($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_FOOTER))
		$usehtml += 1;
	if (dol_textishtml($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_HEADER))
		$usehtml += 1;

	$allmessage = '';
	if (! empty($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_HEADER)) {
		$allmessage .= $conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_HEADER;
	} else {
		$allmessage .= $title . ($usehtml ? "<br>\n" : "\n") . ($usehtml ? "<br>\n" : "\n");
		$allmessage .= $newlangs->transnoentities("NoteListOfYourExpiredServices") . ($usehtml ? "<br>\n" : "\n") . ($usehtml ? "<br>\n" : "\n");
	}
	$allmessage .= $message . ($usehtml ? "<br>\n" : "\n");
	$allmessage .= $langs->trans("Total") . " = " . price($total, 0, $userlang, 0, 0, - 1, $conf->currency) . ($usehtml ? "<br>\n" : "\n");
	if (! empty($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_FOOTER)) {
		$allmessage .= $conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_FOOTER;
		if (dol_textishtml($conf->global->SCRIPT_EMAIL_EXPIRE_SERVICES_SALESREPRESENTATIVES_FOOTER))
			$usehtml += 1;
	}

	$mail = new CMailFile($subject, $sendto, $from, $allmessage, array(), array(), array(), '', '', 0, $msgishtml);

	$mail->errors_to = $errorsto;

	// Send or not email
	if ($mode == 'confirm') {
		$result = $mail->sendfile();
		if (! $result) {
			print "Error sending email " . $mail->error . "\n";
			dol_syslog("Error sending email " . $mail->error . "\n");
		}
	} else {
		print "No email sent (test mode)\n";
		dol_syslog("No email sent (test mode)");
		$mail->dump_mail();
		$result = 1;
	}

	if ($result) {
		return 1;
	} else {
		return - 1;
	}
}
