<?php
$job_name = 'geofence_area_city_cleanup';
echo "[" . date("Y-m-d H:i:s") . "] {$job_name}  job is starting.\n";

require 'common/config.php';
require 'common/address_city.php';
require 'common/Geocode.php';
$total = $success = $failed = 0;
/*
 *  1. Get duplicated cities
 *  2. Update one city in #1, and remove others
 *  3. Update incorrect name
 */

$conditions = [
    "city='' OR city IS NULL",
    "country in ('TR','UA')",
    "LENGTH(city)=2",
    "city ~ '[0-9]+'"
    //"city LIKE 'San F%' or city LIKE 'SFO%'"
];
foreach ($conditions as $condition) {
    $r=getCitiesByCondition($condition);
    while ($f = pg_fetch_assoc($r)) { //d($f,1);
        $ok = false;
        $total++;
        $city_id = $f['id'];
        $latitude = $f['latitude'];
        $longitude = $f['longitude'];

        $city_new_name="";
        $data_reverse = Geocode::reverseGPS($latitude, $longitude);
        if (!empty($data_reverse['city'])) {
            $city_new_name = $data_reverse['city'];
        } else {
            $city_new_name = Geocode::getGeoInfoBigDataCloud($latitude, $longitude);
        }
        if (!empty($city_new_name)) {
            $data_update_city = [
                'city' => $city_new_name
            ];
            $updated = updateDataTable('geofence_area_city', 'id=' . $city_id, $data_update_city);
        }
        
    }
}

$r = getAddressWithEmptyCity();
while ($f = pg_fetch_assoc($r)) { 
    $total++;
    $city_name = $f['city'];
    $country_code = $f['country'];
    $city_id = $f['city_id'];
    $address = $f['address'];
    $latitude = $f['latitude'];
    $longitude = $f['longitude'];

    $address_info = parseAddressByCountry($address, $country_code);
    $city_new_name = "";
    if (!empty($address_info['city'])) {
        $city_new_name = $address_info['city'];
    } else {
        $city_new_name = Geocode::getGeoInfoBigDataCloud($latitude, $longitude);
        if (empty($city_new_name)) {
            $data_reverse = Geocode::reverseGPS($latitude, $longitude);
            if (!empty($data_reverse['city'])) {
                $city_new_name = $data_reverse['city'];
            }
        }
    }
    if (!empty($city_new_name)) {
        $city_new_id = getCityId($city_new_name, $country_code, $latitude, $longitude);
        $city_id = $city_new_id;
        $data_update = [
            'city_id' => $city_new_id,
        ];

        $updated = updateDataTable('address', 'id=' . $f['id'], $data_update);
        if ($updated) {
            $ok = true;
        } else {
            $ok = false;
        }
    }
    if (empty($city_name)) {
        $data_update_city = [
            'city' => $city_new_name,
            'country' => $country_code,
        ];
        $updated = updateDataTable('geofence_area_city', 'id=' . $city_id, $data_update_city);
        if ($updated) {
            $ok = true;
        } else {
            $ok = false;
        }
    }
    if (!empty($ok)) {
        $success++;
    } else {
        $failed++;
    }

}
//clean duplicated cities
$r = getDuplicatedCities();
while ($f = pg_fetch_assoc($r)) {
    $city_name = $f['city'];
    $country = $f['country'];
    $citie_ids = getCities($city_name, $country);
    $num = count($citie_ids);
    if ($num > 0) {
        $total += $num;
        foreach ($citie_ids as $country => $ids) {
            $city_id = $ids[0];
            $data_update = [
                'city_id' => $city_id,
            ];
            $condition = "country='" . $country . "' AND city_id IN (" . implode(",", $ids) . ")";
            $updated = updateDataTable("address", $condition, $data_update);
        }
    }
}

deleteUnusedCities();

echo "Total: " . $total . ".\n";
echo "Success: : " . $success . ".\n";
echo "Failed: : " . $failed . ".\n";

echo "[" . date("Y-m-d H:i:s") . "] {$job_name}  job complete.\n";

function getCitiesByCondition($condition)
{
    global $conn, $readOnlyReplicaConn;
    $q = "SELECT id, latitude,longitude
    FROM geofence_area_city
    WHERE ".$condition;
    $r = pg_query($readOnlyReplicaConn, $q);
    return $r;
}


function getAddressWithEmptyCity()
{
    global $conn, $readOnlyReplicaConn;
    $q = "SELECT a.id, address, a.latitude, a.longitude, city_id, city, a.country as country
    FROM address a
    LEFT JOIN geofence_area_city b ON a.city_id=b.id
    WHERE city_id IS NULL OR b.city='' OR a.country!=b.country;";
    $r = pg_query($readOnlyReplicaConn, $q);
    return $r;
}

function getDuplicatedCities()
{
    global $conn, $readOnlyReplicaConn;
    $q = "SELECT city, country, count(*)
            FROM geofence_area_city
            GROUP BY city,
            country
            HAVING count(*)>1
            ORDER BY count(*) DESC";
    $r = pg_query($readOnlyReplicaConn, $q);
    return $r;
}

function deleteUnusedCities()
{
    global $conn;
    $q = "DELETE
            FROM geofence_area_city
            WHERE id NOT IN (SELECT DISTINCT city_id FROM address);";
    $r = pg_query($conn, $q);
    if ($r && pg_affected_rows($r)) {
        return true;
    }
    return false;
}

function getCities($city, $country)
{
    global $readOnlyReplicaConn;
    $q = "SELECT id  FROM geofence_area_city WHERE LOWER(city) ILIKE '" . strtolower(pg_escape_string($city)) . "' AND country='" . $country . "' ORDER BY id ASC";
    $r = pg_query($readOnlyReplicaConn, $q);
    $result = [];
    while ($f = pg_fetch_assoc($r)) {
        $result[$country][] = $f['id'];
    }
    return $result;
}