<?php
/* Copyright (C)           Kai Blankenhorn      <kaib@bitfolge.de>
 * Copyright (C) 2005-2017 Laurent Destailleur  <eldy@users.sourceforge.org>
 * Copyright (C) 2020		Tobias Sekan		<tobias.sekan@startmail.com>
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

/**
 *	\file       htdocs/core/class/vcard.class.php
 *	\brief      Class to manage vCard files
 */


/**
 * Encode a string for vCard
 *
 * @param	string	$string		String to encode
 * @return	string				String encoded
 */
function encode($string)
{
    return str_replace(";", "\;", (dol_quoted_printable_encode(utf8_decode($string))));
}


/**
 * Taken from php documentation comments
 * No more used
 *
 * @param	string	$input		String
 * @param	int		$line_max	Max length of lines
 * @return	string				Encoded string
 */
function dol_quoted_printable_encode($input, $line_max = 76)
{
    $hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
    $lines = preg_split("/(\?:\r\n|\r|\n)/", $input);
    $eol = "\r\n";
    $linebreak = "=0D=0A";
    $escape = "=";
    $output = "";

    $num = count($lines);
    for ($j = 0; $j < $num; $j++)
    {
        $line = $lines[$j];
        $linlen = strlen($line);
        $newline = "";
        for ($i = 0; $i < $linlen; $i++) {
            $c = substr($line, $i, 1);
            $dec = ord($c);
            if (($dec == 32) && ($i == ($linlen - 1))) { // convert space at eol only
                $c = "=20";
            } elseif (($dec == 61) || ($dec < 32) || ($dec > 126)) { // always encode "\t", which is *not* required
                $h2 = floor($dec / 16); $h1 = floor($dec % 16);
                $c = $escape.$hex["$h2"].$hex["$h1"];
            }
            if ((strlen($newline) + strlen($c)) >= $line_max) { // CRLF is not counted
                $output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
                $newline = "    ";
            }
            $newline .= $c;
        } // end of for
        $output .= $newline;
        if ($j < count($lines) - 1) $output .= $linebreak;
    }
    return trim($output);
}


/**
 *	Class to buld vCard files
 */
class vCard
{
    public $properties;
    public $filename;

    //var $encoding="UTF-8";
    public $encoding = "ISO-8859-1;ENCODING=QUOTED-PRINTABLE";


    /**
     *  mise en forme du numero de telephone
     *
     *  @param	int		$number		numero de telephone
     *  @param	string	$type		Type
     *  @return	void
     */
    public function setPhoneNumber($number, $type = "")
    {
        // type may be PREF | WORK | HOME | VOICE | FAX | MSG | CELL | PAGER | BBS | CAR | MODEM | ISDN | VIDEO or any senseful combination, e.g. "PREF;WORK;VOICE"
        $key = "TEL";
        if ($type != "") $key .= ";".$type;
        $key .= ";CHARSET=".$this->encoding;
        $this->properties[$key] = encode($number);
    }

    /**
     *	mise en forme de la photo
     *  warning NON TESTE !
     *
     *  @param  string  $type			Type
     *  @param  string  $photo			Photo
     *  @return	void
     */
    public function setPhoto($type, $photo)
    {
        // $type = "GIF" | "JPEG"
        $this->properties["PHOTO;TYPE=$type;ENCODING=BASE64"] = base64_encode($photo);
    }

    /**
     *	mise en forme du nom formate
     *
     *	@param	string	$name			Name
     *	@return	void
     */
    public function setFormattedName($name)
    {
        $this->properties["FN;CHARSET=".$this->encoding] = encode($name);
    }

    /**
     *	mise en forme du nom complet
     *
     *	@param	string	$family			Family name
     *	@param	string	$first			First name
     *	@param	string	$additional		Additional (e.g. second name, nick name)
     *	@param	string	$prefix			Prefix (e.g. "Mr.", "Ms.", "Prof.")
     *	@param	string	$suffix			Suffix (e.g. "sen." for senior, "jun." for junior)
     *	@return	void
     */
    public function setName($family = "", $first = "", $additional = "", $prefix = "", $suffix = "")
    {
        $this->properties["N;CHARSET=".$this->encoding] = encode($family).";".encode($first).";".encode($additional).";".encode($prefix).";".encode($suffix);
        $this->filename = "$first%20$family.vcf";
        if (empty($this->properties["FN"])) $this->setFormattedName(trim("$prefix $first $additional $family $suffix"));
    }

    /**
     *	mise en forme de l'anniversaire
     *
     *	@param	integer	  $date		Date
     *	@return	void
     */
    public function setBirthday($date)
    {
        // $date format is YYYY-MM-DD - RFC 2425 and RFC 2426
        $this->properties["BDAY"] = dol_print_date($date, 'dayrfc');
    }

    /**
     *	mise en forme de l'adresse
     *
     *	@param	string	$postoffice		Postoffice
     *	@param	string	$extended		Extended
     *	@param	string	$street			Street
     *	@param	string	$city			City
     *	@param	string	$region			Region
     *	@param	string	$zip			Zip
     *	@param	string	$country		Country
     *	@param	string	$type			Type
     *	@return	void
     */
    public function setAddress($postoffice = "", $extended = "", $street = "", $city = "", $region = "", $zip = "", $country = "", $type = "HOME;POSTAL")
    {
        // $type may be DOM | INTL | POSTAL | PARCEL | HOME | WORK or any combination of these: e.g. "WORK;PARCEL;POSTAL"
        $key = "ADR";
        if ($type != "") $key .= ";$type";
        $key .= ";CHARSET=".$this->encoding;
        $this->properties[$key] = ";".encode($extended).";".encode($street).";".encode($city).";".encode($region).";".encode($zip).";".encode($country);

        if ($this->properties["LABEL;$type;CHARSET=".$this->encoding] == "")
        {
            //$this->setLabel($postoffice, $extended, $street, $city, $region, $zip, $country, $type);
        }
    }

    /**
     *  mise en forme du label
     *
     *  @param	string	$postoffice		Postoffice
     *  @param	string	$extended		Extended
     *  @param	string	$street			Street
     *  @param	string	$city			City
     *  @param	string	$region			Region
     *  @param	string	$zip			Zip
     *  @param	string	$country		Country
     *  @param	string	$type			Type
     *  @return	void
     */
    public function setLabel($postoffice = "", $extended = "", $street = "", $city = "", $region = "", $zip = "", $country = "", $type = "HOME;POSTAL")
    {
        $label = "";
        if ($postoffice != "") $label .= "$postoffice\r\n";
        if ($extended != "") $label .= "$extended\r\n";
        if ($street != "") $label .= "$street\r\n";
        if ($zip != "") $label .= "$zip ";
        if ($city != "") $label .= "$city\r\n";
        if ($region != "") $label .= "$region\r\n";
        if ($country != "") $country .= "$country\r\n";

        $this->properties["LABEL;$type;CHARSET=".$this->encoding] = encode($label);
    }

    /**
     *	Add a e-mail address to this vCard
     *
     *	@param	string	$address		E-mail address
     *	@param	string	$type			(optional) The type of the e-mail (typical "PREF;INTERNET" or "INTERNET")
     *	@return	void
     */
    public function setEmail($address, $type = "TYPE=INTERNET;PREF")
    {
        $key = "EMAIL";
        if ($type != "") $key .= ";".$type;
        $this->properties[$key] = $address;
    }

    /**
     *	mise en forme de la note
     *
     *	@param	string	$note		Note
     *	@return	void
     */
    public function setNote($note)
    {
        $this->properties["NOTE;CHARSET=".$this->encoding] = encode($note);
    }

    /**
     * 	mise en forme de la fonction
     *
     *	@param	string	$title		Title
     *	@return	void
     */
    public function setTitle($title)
    {
        $this->properties["TITLE;CHARSET=".$this->encoding] = encode($title);
    }


    /**
     *  mise en forme de la societe
     *
     *  @param	string	$org		Org
     *  @return	void
     */
    public function setOrg($org)
    {
        $this->properties["ORG;CHARSET=".$this->encoding] = encode($org);
    }


    /**
     * 	mise en forme du logiciel generateur
     *
     *  @param	string	$prodid		Prodid
     *	@return	void
     */
    public function setProdId($prodid)
    {
        $this->properties["PRODID;CHARSET=".$this->encoding] = encode($prodid);
    }


    /**
     * 	mise en forme du logiciel generateur
     *
     *  @param	string	$uid	Uid
     *	@return	void
     */
    public function setUID($uid)
    {
        $this->properties["UID;CHARSET=".$this->encoding] = encode($uid);
    }


    /**
     *  mise en forme de l'url
     *
     *	@param	string	$url		URL
     *  @param	string	$type		Type
     *	@return	void
     */
    public function setURL($url, $type = "")
    {
        // $type may be WORK | HOME
        $key = "URL";
        if ($type != "") $key .= ";$type";
        $this->properties[$key] = $url;
    }

    /**
     *  permet d'obtenir une vcard
     *
     *  @return	string
     */
    public function getVCard()
    {
        $text = "BEGIN:VCARD\r\n";
        $text .= "VERSION:3.0\r\n";
        //$text.= "VERSION:2.1\r\n";
        foreach ($this->properties as $key => $value)
        {
            $text .= "$key:$value\r\n";
        }
        $text .= "REV:".date("Y-m-d")."T".date("H:i:s")."Z\r\n";
        $text .= "MAILER: Dolibarr\r\n";
        $text .= "END:VCARD\r\n";
        return $text;
    }

    /**
     *  permet d'obtenir le nom de fichier
     *
     *  @return	string		Filename
     */
    public function getFileName()
    {
        return $this->filename;
    }

	/* Example from Microsoft Outlook 2019

    BEGIN:VCARD
    VERSION:2.1

    N;LANGUAGE=de:surename;forename;secondname;Sir;jun.
    FN:Sir surename secondname forename jun.
    ORG:Companyname
    TITLE:position
    TEL;WORK;VOICE:work-phone-number
    TEL;HOME;VOICE:private-phone-number
    TEL;CELL;VOICE:mobile-phone-number
    TEL;WORK;FAX:fax-phone-number
    ADR;WORK;PREF:;;street and number;town;region;012345;Deutschland
    LABEL;WORK;PREF;ENCODING=QUOTED-PRINTABLE:street and number=0D=0A=
    =0D=0A=
    012345  town  region
    X-MS-OL-DEFAULT-POSTAL-ADDRESS:2
    URL;WORK:www.mywebpage.de
    EMAIL;PREF;INTERNET:test1@test1.de
    EMAIL;INTERNET:test2@test2.de
    EMAIL;INTERNET:test3@test3.de
    X-MS-IMADDRESS:test@jabber.org
    REV:20200424T104242Z

    END:VCARD
    */
}