<?php
//Выбираю объезды в GeoJSON и отправляю клиенту

require_once("../../monitoring/config.php");

function sendError($msg)
{
    $json='{"errorCode":1,"errorMessage":'.json_encode($msg,JSON_UNESCAPED_UNICODE).'}';
    header('Content-Type: application/json');
    echo $json;
    exit;
}

$db = connectToDB();
//$db->exec('SET NAMES utf8');
//$db->exec("SET time_zone = '+00:00'");

$fn=0;
if(isset($_GET['fn'])) { $fn=$_GET['fn']; }
if($fn=='1') //Вернуть список
{
    if(!isset($HTTP_RAW_POST_DATA))
    {	$HTTP_RAW_POST_DATA = file_get_contents("php://input");
    }
    $object = json_decode($HTTP_RAW_POST_DATA);
    
    if(!property_exists($object,'name') or $object->name=='') $object->name='null'; else $object->name='\'%'.$object->name.'%\'';
    
    $sql = '
        SELECT
            id
            ,name
            ,date_start
            ,date_end
            ,coalesce(ST_NPoints(geom),0) as count
            ,ST_X(ST_Centroid(geom)) lon
            ,ST_Y(ST_Centroid(geom)) lat
        FROM
            main.detours
        where
            del=false
            and ('.$object->name.' is null or name like '.$object->name.')
        ORDER BY name;
    ';
    
    try
    {
        $res = $db->query($sql);
    }catch (Exception $e)
    {
        sendError($e->getMessage());
    }
    
    //Массив объектов
    $json ='[';
    //Перебираю и последовательно отправляю не отправленные пломбы
    while ($row = $res->fetch(PDO::FETCH_ASSOC))
    {
        $json .="\n";
        $json .='{';
        $json .='"id":'.json_encode($row['id']).",\n";
        $json .='"name":'.json_encode($row['name'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"date_start":'.json_encode($row['date_start'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"date_end":'.json_encode($row['date_end'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"lat":'.json_encode($row['lat']).",\n";
        $json .='"lon":'.json_encode($row['lon']).",\n";
        $json .='"count":'.json_encode($row['count'])."\n";
        $json .='},';
    }
    if($json[strlen($json) - 1]==','){
        $json=substr ( $json , 0, strlen($json)-1 );
    }
    $json .=']';
    header('Content-Type: application/json');
    echo $json;
    exit;
    
}else if($fn=='2') //Вернуть GEOJSON по ID записи
{
    if(!isset($HTTP_RAW_POST_DATA))
    {	$HTTP_RAW_POST_DATA = file_get_contents("php://input");
    }
    $object = json_decode($HTTP_RAW_POST_DATA);
    if($object->id=='') $object->id='null';
    /*if($object->cnumber=='') $object->cnumber='null'; else $object->cnumber='"%'.$object->cnumber.'%"'; //Гос. номер
     if($object->tnumber=='') $object->tnumber='null'; else $object->tnumber='"%'.$object->tnumber.'%"'; //Номер ТД
     if($object->country_seal_begin=='') $object->country_seal_begin='null'; //Страна пломб.
     if($object->country_seal_end=='') $object->country_seal_end='null'; //Страна распломб.*/
    
    //Выбираю геометрию
    $sql="select ST_AsGeoJSON(geom,6,0) as geom from main.detours where id=".$object->id.";";
    try
    {
        $res = $db->query($sql);
    }catch (Exception $e)
    {
        sendError($e->getMessage());
    }
    
    $json="{}";
    if($res!=NULL && $res->rowCount()>0)
    {
        while ($row = $res->fetch(PDO::FETCH_NUM))
        {
            $json=$row[0];
        }
    }
    
    header('Content-Type: application/json');
    echo $json;
    exit;
}else if($fn=='3') //Удалить запись
{
    if(!isset($HTTP_RAW_POST_DATA))
    {	$HTTP_RAW_POST_DATA = file_get_contents("php://input");
    }
    $object = json_decode($HTTP_RAW_POST_DATA);
    if($object==null) $object = (object)[];
    
    if(!property_exists($object,'id') or $object->id=='') $object->id=null; //Поле заполнено если редактирвание записи
    if($object->id!=null)
    {
        try
        {
            $sql="update main.detours set del=true where id=".$object->id;
            $db->query($sql);
        }catch (Exception $e)
        {
            sendError($e->getMessage());
        }
        
        $json='{}';
        header('Content-Type: application/json');
        echo $json;
        exit;
    }else
    {
        sendError("ID is not set!");
    }
}else
{
    sendError("Fn is null!");
}