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

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

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

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

$fn=0;
if(isset($_GET['fn'])) { $fn=$_GET['fn']; }
if($fn=='0') //Вернуть список маршрутов
{
    $sql = '
        SELECT
          id
          ,name
          ,coalesce((select c.name from main.companies c join main.routes_companies rc on c.id=rc.company_id where rc.del=false and c.del=false and rc.route_id=r.id and c.company_type_id=2 limit 1),\'\') as station
          ,coalesce((select c.name from main.companies c join main.routes_companies rc on c.id=rc.company_id where rc.del=false and c.del=false and rc.route_id=r.id and c.company_type_id=1 limit 1),\'\') as carriers
          ,ST_NPoints(geom) as count
          ,round(ST_Length_Spheroid(geom,\'SPHEROID["WGS 84",6378137,298.257223563]\')/1000) as length
          ,ST_y(ST_StartPoint(geom)) lat
          ,ST_X(ST_StartPoint(geom)) lon
        FROM
          main.routes r
        where del=false
        ORDER BY name;
    ';

    try
    {
        $res = $db->query($sql);
    }catch (Exception $e)
    {	echo $e->getMessage();
        $res = null;
    }
    
    //Массив объектов
    $json ='[';
    //Перебираю и последовательно отправляю не отправленные пломбы
    while ($row = $res->fetch(PDO::FETCH_ASSOC))
    {
        $json .="\n";
        $json .='{';
        $json .='"id":"'.$row['id']."\",\n";
        $json .='"name":'.json_encode($row['name'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"station":'.json_encode($row['station'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"carriers":'.json_encode($row['carriers'],JSON_UNESCAPED_UNICODE).",\n";
        $json .='"count":"'.$row['count']."\",\n";
        $json .='"length":"'.$row['length']."\",\n";
        $json .='"lat":'.json_encode($row['lat']).",\n";
        $json .='"lon":'.json_encode($row['lon']).",\n";
        //Расписание для маршрута
        $sql='select 
                ts.id,
                CASE WHEN ts.direction=true THEN \'Прямое\' WHEN ts.direction=false THEN \'Обратное\' ELSE \'Не задано\' END as direction,
                ts.time,
                coalesce(c.name,\'\') as carrier
            from
                main.trips_schedules ts
                left join main.companies c on c.id=ts.company_id 
            where
                ts.route_id='.$row['id'].'
            order by
                ts.direction desc,ts.time';
        try
        {
            $res2 = $db->query($sql);
        }catch (Exception $e)
        {	echo $e->getMessage();
            $res2 = null;
        }        
        $json .='"schedules":['."\n";
        while ($row2 = $res2->fetch(PDO::FETCH_ASSOC))
        {
            $json .="{";
            $json .='"direction":'.json_encode($row2['direction'],JSON_UNESCAPED_UNICODE).',';
            $json .='"time":'.json_encode($row2['time'],JSON_UNESCAPED_UNICODE).',';
            $json .='"carrier":'.json_encode($row2['carrier'],JSON_UNESCAPED_UNICODE);
            $json .="},";
        }
        if($json[strlen($json) - 1]==','){
            $json=substr ( $json , 0, strlen($json)-1 );
        }
        $json .="],\n";
        //Контрольные точки для маршрута
        $sql='select
                rc.id,
                CASE WHEN rc.direction=true THEN \'Прямое\' WHEN rc.direction=false THEN \'Обратное\' ELSE \'Не задано\' END as direction,
                rc.time,
                coalesce(rc.name,\'\') as name,
                ST_X(ST_Centroid(rc.geom)) lon,
                ST_Y(ST_Centroid(rc.geom)) lat
            from
                main.routes_checkpoints rc
            where
                rc.route_id='.$row['id'].'
            order by
                rc.direction desc,rc.time';
        try
        {
            $res2 = $db->query($sql);
        }catch (Exception $e)
        {	echo $e->getMessage();
        $res2 = null;
        }
        $json .='"checkpoints":['."\n";
        while ($row2 = $res2->fetch(PDO::FETCH_ASSOC))
        {
            $json .="{";
            $json .='"id":'.json_encode($row2['id'],JSON_UNESCAPED_UNICODE).',';
            $json .='"direction":'.json_encode($row2['direction'],JSON_UNESCAPED_UNICODE).',';
            $json .='"time":'.json_encode($row2['time'],JSON_UNESCAPED_UNICODE).',';
            $json .='"name":'.json_encode($row2['name'],JSON_UNESCAPED_UNICODE).",\n";
            $json .='"lat":'.json_encode($row2['lat']).",\n";
            $json .='"lon":'.json_encode($row2['lon'])."\n";
            $json .="},";
        }
        if($json[strlen($json) - 1]==','){
            $json=substr ( $json , 0, strlen($json)-1 );
        }
        $json .="]\n";

        
        $json .='},';
    }
    if($json[strlen($json) - 1]==','){
        $json=substr ( $json , 0, strlen($json)-1 );
    }
    $json .=']';    
    header('Content-Type: application/json');
    echo $json;
}else
if($fn=='1') //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 
    $sql="select ST_AsGeoJSON(geom,6,0) as geom from main.routes where id=".$object->id.";";    
    try
    {
        $res = $db->query($sql);
    }catch (Exception $e)
    {	echo $e->getMessage();
        $res = null;
    }

    $json="{}";
    if($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=='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(!property_exists($object,'id') or $object->id=='') $object->id='null';
    
    //Выбираю геометрию
    $sql="select ST_AsGeoJSON(geom,6,0) as geom from main.routes_checkpoints where id=".$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 маршрут 
{
    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';
    
    $sql="update main.routes r set del=true where id=".$object->id;
    try
    {
        $res = $db->query($sql);
    }catch (Exception $e)
    {
        sendError($e->getMessage());
    }
    $json="{}";
    header('Content-Type: application/json');
    echo $json;
    exit;
}else
{
    sendError("Неизвестная функция!");
}