#!/usr/bin/php
<?php

/*
  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/>.
*/

const N="\n";

if (!isset($argv[1]) || $argv[1]=='--help' || $argv[1]=='-h') {
	echo('[[[ DESCRIPTION ]]]'.N.' Adds a language to the «Languages» table.'.N.'[[[ SYNTAX ]]]'.N.' addlang.php <language code>'.N);
	exit(0);
}

$newlangcode=strtolower($argv[1]);
$newlang=strtoupper($newlangcode);
$test=locale_get_display_name($newlangcode,'en');
if ($test==$newlangcode) {
	echo('Sorry, «'.$newlangcode.'» is an unknown language code.'.N);
	exit(1);
} else {
	echo('Adding language «'.$newlangcode.'» («'.$test.'»)...'.N);
}

$email='pezcurrel@tiscali.it';

require __DIR__.'/../lib/mb_ucfirst.php';

use function mysqli_real_escape_string as myesc;

$inifp=__DIR__.'/../conf/mustard.ini';
$iniarr=@parse_ini_file($inifp)
	or mexit('Impossibile aprire il file di configurazione «'.$inifp.'»'.N,1);
$link=@mysqli_connect($iniarr['db_host'],$iniarr['db_admin_name'],$iniarr['db_admin_password'],$iniarr['db_name'],$iniarr['db_port'],$iniarr['db_socket'])
	or mexit('Impossibile connettersi al server MySQL: '.mysqli_connect_error().N,1);
mysqli_set_charset($link,'utf8mb4')
	or mexit(mysqli_error($link).N,1);


$que='ALTER TABLE `Languages` ADD `Name'.$newlang.'` VARCHAR(64) NULL DEFAULT NULL AFTER `NameOrig`';
echo($que.N);
mysqli_query($link,$que)
	or mexit(mysqli_error($link).N,2);
$res=mysqli_query($link,'SELECT ID, Code FROM Languages')
	or mexit(mysqli_error($link).N,2);
while ($row=mysqli_fetch_assoc($res)) {
	$que='UPDATE Languages SET Name'.$newlang.'=\''.myesc($link,mb_ucfirst(locale_get_display_name($row['Code'],$newlangcode))).'\' WHERE ID='.$row['ID'];
	echo($que.N);
	mysqli_query($link,$que)
		or mexit(mysqli_error($link).N,2);
}

/*$contextopts=array(
	'http'=>array(
		'timeout'=>5
	),
	'socket'=>array(
		'tcp_nodelay'=>true
    )
);
$context=stream_context_create($contextopts);

$addrkeys=array('neighbourhood','borough','suburb','city','municipality','county','district','province','region','state','country');
$res=mysqli_query($link,'SELECT ID, OSMID, NameIT FROM Localities')
	or mexit(mysqli_error($link).N,2);
while ($row=mysqli_fetch_assoc($res)) {
	$good=false;
	$url='https://nominatim.openstreetmap.org/lookup?osm_ids=R'.$row['OSMID'].'&format=json&accept-language='.$newlangcode.'&addressdetails=1&email='.$email;
	$osmdil=@file_get_contents($url,false,$context);
	if ($osmdil!==false) {
		$osmdil=json_decode($osmdil,true);
		if (array_key_exists(0,$osmdil) && array_key_exists('address',$osmdil[0])) {
			//$osmdil[0]['address']=array(); // simula errore
			$dispname=array();
			foreach ($addrkeys as $addrkey)
				if (array_key_exists($addrkey,$osmdil[0]['address']))
					$dispname[]=$osmdil[0]['address'][$addrkey];
			if (count($dispname)>0) {
				$dispname=array_unique($dispname);
				$dispname=implode(', ',$dispname);
				$good=true;
			} else {
				echo($row['NameIT'].': No useful «address» data found in OpenStreetMap lookup data for lang «'.$newlangcode.'».'.N);
			}
		} else {
			echo($row['NameIT'].': No «address» found in OpenStreetMap lookup data for lang «'.$newlangcode.'».'.N);
		}
	} else {
		echo($row['NameIT'].': Couldn’t fetch OpenStreetMap lookup data for lang «'.$newlangcode.'».'.N);
	}
	if ($good) {
		$que='UPDATE Localities SET Name'.$newlang.'=\''.myesc($link,$dispname).'\' WHERE ID='.$row['ID'];
		echo($que.N);
		mysqli_query($link,$que)
			or mexit(mysqli_error($link).N,3);
	}
}*/

mysqli_close($link);

echo('done :-)'.N);

exit(0);

function mexit($msg,$rv) {
	global $link;
	if ($link)
		mysqli_close($link);
	echo($msg);
	exit($rv);
}

?>