<?php
require_once __DIR__ . '/common.php';

$dbconn = getDBConnection();

if($_GET['camstatic'] ?? null) {
    if ($_GET['camstatic'] == 'radius') {
        if($_GET['lat1'] ?? null) {
            $lat1 = getParam('lat1');
            if($_GET['lon1'] ?? null) {
                $lon1 = getParam('lon1');
                if($_GET['radius'] ?? null) {
                    $radius = getParam('radius');
                    $rad = $radius / 70;

                    $lat1 = floatval($lat1);
                    $lon1 = floatval($lon1);
                    $radius = floatval($rad);
                    $query = "select * from cams where active = true and cwa = 'RLX' and (EXTRACT(EPOCH FROM (current_timestamp - lastsuccess ))/60) < (interval + 20) and st_dwithin(geom, ST_SetSRID(ST_Point(" . strval($lon1) . ", " . strval($lat1) . "), 4326)," . strval($radius) . ") order by elevation desc";
                    $result = pg_query($dbconn,$query) or die('Query failed: ' . pg_last_error());

                    $array = array();
                    while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
                        $array[] = $line;
                    }
                    echo json_encode($array);
                    pg_free_result($result);
                }
            }
        }
    }
}

if($_GET['camstatic'] ?? null) {
    if ($_GET['camstatic'] == 'bbox') {
        if($_GET['lat1'] ?? null) {
            $lat1 = getParam('lat1');
            if($_GET['lon1'] ?? null) {
                $lon1 = getParam('lon1');
                if($_GET['lat2'] ?? null) {
                    $lat2 = getParam('lat2');
                    if($_GET['lon2'] ?? null) {
                        $lon2 = getParam('lon2');
                        if($_GET['elevbottom'] ?? null) {
                            $elevbottom = getParam('elevbottom');
                            if($_GET['elevtop'] ?? null) {
                                $elevtop = getParam('elevtop');

                                $result = pg_query_params($dbconn,
                                "select * from cams where active = true and cwa = 'RLX' and elevation > $5 and elevation < $6 and (EXTRACT(EPOCH FROM (current_timestamp - lastsuccess ))/60) < (interval + 20) and lat < $1 and lat > $2 and lon < $3 and lon > $4 order by elevation desc",
                                array($lat1,$lat2,$lon1,$lon2,$elevbottom,$elevtop)) or die('Query failed: ' . pg_last_error());

                                $array = array();
                                while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
                                    $array[] = $line;
                                }
                                echo json_encode($array);
                                pg_free_result($result);
                            }
                        }
                    }
                }
            }
        }
    }
}

// Close database connection when needed
if (isset($dbconn)) {
    pg_close($dbconn);
}
?>