<?php
/*
  cat >> /etc/php.d/php.ini // /etc/php5/cli/conf.d/ZZ-mycustom.ini <<EOF
pdo.dsn.testcoel = "mysql:dbname=tb_coel_test;host=localhost"
mysql.default_user = telabotap
mysql.default_password =
EOF
*/
if(PHP_SAPI !== 'cli') exit(1);

define('DOUBLE_CHECK', FALSE);

date_default_timezone_set('Europe/Paris');
$DIR = dirname(__FILE__); // XXX: PHP-5.3
define("_GEO_STORE_CACHE", $DIR . "/nominatim-coords.cache.ser");

require_once($DIR . '/../../jrest/services/Coel.php');
$db = new PDO('testcoel',
			  @$argv[1] ? $argv[1] : ini_get('mysql.default_user'),
			  @$argv[2] ? $argv[2] : ini_get('mysql.default_password'),
			  array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'UTF8'")) or die('no db');
$cache = @unserialize(file_get_contents(_GEO_STORE_CACHE));

if(function_exists('pcntl_signal')) {
	// SIGUSR1 handler to save the result during a run
	function savecache($signal = FALSE) {
		global $cache;
		if($cache) {
			ksort($cache, SORT_NUMERIC);
			file_put_contents(_GEO_STORE_CACHE, serialize($cache));
		}
		echo "saved " . count($cache) . " results\n";
		if($signal == SIGINT) exit;
	}
	declare(ticks = 1);
	pcntl_signal(SIGUSR1, 'savecache');
	pcntl_signal(SIGINT, 'savecache');
	echo '$ kill -USR1 ' . posix_getpid() . ' # to flush results to disk' . "\n";
}

printf("cache already contains %d entries, will start in 4 seconds:\n", count($cache));
sleep(4);

// smooth:
$q = "SELECT * FROM coel_structure".
	" WHERE cs_latitude IS NULL OR cs_latitude = '' OR cs_longitude IS NULL".
	" OR cs_longitude = ''";
foreach($db->query($q)->fetchAll(PDO::FETCH_ASSOC) AS $params) {
	$params_override = array('countrycodes' => 'fr,de,ae');
	$id = $params['cs_id_structure'];
	if(array_key_exists($id, $cache)) {
		$db->query(sprintf("UPDATE coel_structure SET cs_latitude = %.9f, cs_longitude = %.9f WHERE cs_id_structure = %d",
						   $cache[$id]['lat'], $cache[$id]['lon'], $id));
		continue;
	}
	if(array_key_exists($id, @$cache['failed'])) {
		if(!DOUBLE_CHECK) continue;

		// mode texte-libre (plus efficace pour les cas tordus)
		$params_override['force-q'] = TRUE;
		// cf (très) mauvaise gestion des CP par Nominatim
		if($params['cs_ville']) {
			unset($params['cs_code_postal']);
		}
		if($params['cs_adresse_01']) {
			$params['cs_adresse_01'] = preg_replace(
				'/.*(?:impasse|chemin|route|rue|avenue|boulevard|place|ville)(?:\s(?:du|des|de)\s)?(la\s)?/i',
				'',
				$params['cs_adresse_01']);
		}
	}

	$lonlat = array();
	if(Coel::coordGuess(Coel::addrReStruct($params), $lonlat, $params_override)) {
		unset($cache['failed'][$id]);
		$lat = $lonlat['lat'];
		$lon = $lonlat['lon'];
		$cache[$id] = $lonlat;
	}
	else {
		$cache['failed'][$id] = FALSE;
	}

	echo "sleep\n";
	sleep(1.5);
}
if($cache) {
	ksort($cache, SORT_NUMERIC);
	file_put_contents(_GEO_STORE_CACHE, serialize($cache));
	echo "saved " . count($cache) . " results\n";
}


/* raw:
   $q = "SELECT cs_id_structure AS id, cs_adresse_01 AS addr, cs_code_postal AS cp, cs_ville AS city".
   " FROM coel_structure".
   " WHERE cs_latitude IS NULL OR cs_latitude = '' OR cs_longitude IS NULL OR cs_longitude = ''";
   $query = http_build_query(array('q' => implode(',',$q),'accept_language' => 'fr', 'format' => 'json', 'limit' => 1));
   var_dump( json_decode(file_get_contents('http://nominatim.openstreetmap.org/search.php?' . $query)) );
*/