<?php #lib/main.php

/********************************************************************************
 *	Content: email related functions                                        *
 *	Author: Nils Otterpohl                                                  *
 ********************************************************************************/

function emlSendEmail($to, $subject, $text) {
  global $mail;
  
  $mail->setFrom(MAILNOREPLY, "Webserver OF Innenstadt");
  $mail->isHTML(true);
  $mail->Subject = $subject;
  $mail->Body = $text;
  $mail->addAddress($to);
  $mail->send();
  $mail->clearAddresses();
}


// string $email
// array $prenames
// array $surnames
// string $password
function emlSendInvitation($email, $invites, $password) {
  global $mail;

  $mail->setFrom(MAILNOREPLY, "Sophia und Nils Hochzeitswebsite");
  $mail->addAddress($email);
  
  $mail->isHTML(true);
  $mail->Subject = "Einladung zur Hochzeit von Sophia und Nils";
  
  $tpl = tplLoadFile("res/invitation.html");
  $text = tplExtrSection($tpl, "###INVITATION###");
  $to_tpl = tplExtrSection($text, "###TO###");
  $to = "";
  $count = 0;
  foreach ($invites as $names) {
    if ($names["companion"]==0) {
      $count++;
      $replace = array(
        "###ADDRESSING###" => $names["addressing"],
        "###PRENAMES###" => $names["prenames"],
        "###SURNAMES###" => $names["surnames"],
        "###NICKNAME###" => $names["nickname"]=="" ? $names["prenames"] : $names["nickname"]
      );
      $to.= tplReplMarkerArray($to_tpl, $replace);
    }
  }
  $text = tplReplSection($text, "###TO###", $to);
  $text = tplReplSection($text, "###INTRO###", $count>1 ? tplExtrSection($tpl, "###INTRO.MULTI###") : tplExtrSection($tpl, "###INTRO.SINGLE###"));
  $text = tplReplSection($text, "###EXPLANATION###", $count>1 ? tplExtrSection($tpl, "###EXPLANATION.MULTI###") : tplExtrSection($tpl, "###EXPLANATION.SINGLE###"));
  $text = tplReplSection($text, "###MULTIPLEASE###", $count>1 ? tplExtrSection($tpl, "###MULTIPLEASE###") : "");
  $url = parse_url("https://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
  $text = tplReplMarker($text, "###PAGEURL###", "https://".$url["host"].$url["path"]);
  $text = tplReplMarker($text, "###EMAIL###", $email);
  $text = tplReplMarker($text, "###PASSWORD###", $password);
  
  $mail->Body = $text;
  
  
  $attachments = explode(";", tplExtrSection($tpl, "###ATTACHMENTS###"));
  foreach ($attachments as $attachment) {
    if ($attachment!="") {
      $attributes = explode("|", $attachment);
      if (count($attributes)>1 && $attributes[0]=="embedded") {
        $mail->addEmbeddedImage($attributes[1].$attributes[2], $attributes[3], $attributes[2]);
      } else {
        $mail->addAttachment($attachment);
      }
    }
  }
  //$mail->addEmbeddedImage("res/Einladung.png", "cid_einladung", "Einladung.png");
  
  $mail->send();
  $mail->clearAddresses();
  $mail->clearAttachments();
  return true;
}

// mysql_con mysqli
// string subject
// string text
// int notificationLvl : {1: Neuer Thread, 2: Neue Nachricht}
// string neededRecipientRight
function emlSendNotification($mysqli, $sendUser, $subject, $text, $notificationLvl, $neededRecipientRight = null) {
  global $mail;
  
  $mail->setFrom(MAILNOREPLY, "Sophia und Nils Hochzeitswebsite");
  $mail->isHTML(false);
  $mail->Subject = $subject;
  $to_tpl = tplExtrSection($text, "###TO###");
  
  $qry = "SELECT DISTINCT u.email, u.groupID FROM users u "
        .($neededRecipientRight!==null ? "LEFT JOIN rolerights rr ON rr.roleID=u.roleID LEFT JOIN rights r ON r.ID=rr.rightID " : "")
        ."WHERE u.ID!=".$sendUser." AND u.notifications>=".$notificationLvl." ".($neededRecipientRight!==null ? "AND r.name='".$neededRecipientRight."' " : "");
  $res = $mysqli->query($qry);
  while ($row = $res->fetch_assoc()) {
    $nameres = $mysqli->query("SELECT prenames `###PRENAMES###`, surnames `###SURNAMES###`, addressing `###ADDRESSING###`, IFNULL(nickname, prenames) `###NICKNAME###` "
                             ."FROM guests WHERE companion=0 AND groupID=".$row["groupID"]);
    $to = "";
    while ($namerow = $nameres->fetch_assoc()) {
      $to.= tplReplMarkerArray($to_tpl, $namerow);
    }
    $mail->Body = tplReplSection($text, "###TO###", $to);
    $mail->addAddress($row["email"]);
    $mail->send();
    $mail->clearAddresses();
  }
}

// Sendet eine Mail an ALLE User (die nicht abgesagt haben)
// mysql_con mysqli
// int sendUser
// string from
// string subject
// string text
// string neededRecipientRight
function emlSendMassMail($mysqli, $sendUser, $from, $subject, $text, $neededRecipientRight = null) {
  global $mail;
  
  if (!$res = $mysqli->query("SELECT DISTINCT IFNULL(u.eMailFrom, u.email) email FROM users u WHERE u.ID=".$sendUser))
    addError("Mysql", $mysqli->error);
  $from_mail = $res->fetch_assoc()["email"];
  $mail->setFrom($from_mail, $from);
  
  $mail->isHTML(true);
  $mail->Subject = $subject;
  $to_tpl = tplExtrSection($text, "###TO###");
  
  $qry = "SELECT DISTINCT u.email, u.groupID FROM guests g LEFT JOIN users u ON u.groupID=g.groupID "
        .($neededRecipientRight!==null ? "LEFT JOIN rolerights rr ON rr.roleID=u.roleID LEFT JOIN rights r ON r.ID=rr.rightID " : "")
        ."WHERE u.ID!=".$sendUser." AND IFNULL(g.comes, 99)!=0 ".($neededRecipientRight!==null ? "AND r.name='".$neededRecipientRight."' " : "");
  $res = $mysqli->query($qry);
  while ($row = $res->fetch_assoc()) {
    $tores = $mysqli->query("SELECT prenames `###PRENAMES###`, surnames `###SURNAMES###`, addressing `###ADDRESSING###`, IFNULL(nickname, prenames) `###NICKNAME###` "
                           ."FROM guests WHERE companion=0 AND groupID=".$row["groupID"]);
    $to = "";
    while ($torow = $tores->fetch_assoc()) {
      $to.= tplReplMarkerArray($to_tpl, $torow);
    }
    $mail->Body = tplReplSection($text, "###TO###", $to);
    $mail->addAddress($row["email"]);
    $mail->send();
    $mail->clearAddresses();
  }
}

// Sendet eine Mail an EINEN User
// mysql_con mysqli
// int targetUser
// string subject
// string text
function emlSendSingleMail($mysqli, $targetUser, $subject, $text) {
  global $mail;
  $ret = false;
  
  $targetMail = null;
  $groupID = null;
  if ($stmt = $mysqli->prepare("SELECT email, groupID FROM users u WHERE u.ID = ?")) {
    $stmt->bind_param("i", $targetUser);
    $stmt->execute();
    $stmt->bind_result($targetMail, $groupID);
    $stmt->fetch();
    $stmt->close();
  } else {
    addError("Mysql", $mysqli->error);
  }
  if ($targetMail!=null && $groupID!=null) {
    $mail->setFrom(MAILNOREPLY, "Sophia und Nils Hochzeitswebsite");
    
    $mail->isHTML(true);
    $mail->Subject = $subject;
    $to_tpl = tplExtrSection($text, "###TO###");
    
    $tores = $mysqli->query("SELECT prenames `###PRENAMES###`, surnames `###SURNAMES###`, addressing `###ADDRESSING###`, IFNULL(nickname, prenames) `###NICKNAME###` "
                             ."FROM guests WHERE companion=0 AND groupID=".$groupID);
    $to = "";
    while ($torow = $tores->fetch_assoc()) {
      $to.= tplReplMarkerArray($to_tpl, $torow);
    }
    $mail->Body = tplReplSection($text, "###TO###", $to);
    $mail->addAddress($targetMail);
    $mail->send();
    $mail->clearAddresses();
    $ret = true;
  }
  return $ret;
}

?>