<?php
// Connecting, selecting database
$dbconn = pg_connect("host=localhost dbname=nws user=nws password=nws")
    or die('Could not connect: ' . pg_last_error());

//no gets, curent point outage info
if(empty($_GET)) {
$result = pg_query_params($dbconn, 
"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(realgeom)::json,'properties',json_build_object('time',startguess,'county',county,'state',state,'outage',outagen,'lastchange',lastchange,'cause',cause))order by startguess asc)) FROM power WHERE cwa = $1 and active = true",
array('RLX')) or die('Query failed: ' . pg_last_error());
$resultArray = pg_fetch_all($result);
echo($resultArray[0]['json_build_object']);
}


//county/state max
if($_GET['max'] ?? null) {

if($_GET['start'] ?? null) {
$starttime = pg_escape_string($_GET['start']);
if($_GET['end'] ?? null) {
$endtime = pg_escape_string($_GET['end']);


$result = pg_query_params($dbconn,
//select distinct on (county,state) max(outage),county,state from (select distinct on (county,state,update) county,state,sum(outages) as outage, update as time, sum(served) as served from countyoutages where update > '2023-04-01' and update < '2023-04-02' and cwa = 'RLX' group by county,state,update) as potato group by county,state;
"select distinct on (county,state) max(outage),county,state from (select distinct on (county,state,update) county,state,sum(outages) as outage, update as time, sum(served) as served from countyoutages where update > $2 and update < $3 and cwa = $1 group by county,state,update) as potato group by county,state",
array('RLX',$starttime,$endtime)) or die('Query failed: ' . pg_last_error());

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


if (isset($_GET['county'])) {
    try {
        $query = "
            SELECT DISTINCT ON (county, state) 
                county,
                state,
                SUM(outages) as outage,
                update as time,
                SUM(served) as served,
                ROUND(
                    CAST(
                        CASE 
                            WHEN SUM(served) = 0 THEN NULL 
                            ELSE (SUM(outages)::FLOAT / SUM(served)) * 100 
                        END AS NUMERIC
                    ), 2
                ) as perout 
            FROM countyoutages 
            WHERE update = (SELECT MAX(update) FROM countyoutages) 
                AND (cwa = $1 OR cwa = $2 OR cwa = $3 OR cwa = $4 OR cwa = $5 OR cwa = $6 OR cwa = $7)
            GROUP BY county, state, update
        ";

        $result = pg_query_params($dbconn, $query, ['RLX','JKL','ILN','PBZ','MRX','LWX','RNK']);
        if ($result === false) {
            throw new Exception('Query failed: ' . pg_last_error());
        }

        $results = [];
        while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
            $results[] = $line;
        }

        header('Content-Type: application/json');
        echo json_encode($results);

        pg_free_result($result);
    } catch (Exception $e) {
        header('Content-Type: application/json');
        http_response_code(500);
        echo json_encode(['error' => 'Query execution failed: ' . $e->getMessage()]);
        exit;
    }
}


//county archive
if($_GET['countyarchive'] ?? null) {

if($_GET['start'] ?? null) {
$starttime = pg_escape_string($_GET['start']);
if($_GET['end'] ?? null) {
$endtime = pg_escape_string($_GET['end']);


$result = pg_query_params($dbconn,
//"SELECT county,state, update as time, county, state, outages as outage,served FROM countyoutages where cwa = $1 and update > $2 and update < $3 order by update asc",
"select distinct on (county,state,update) county,state,sum(outages) as outage, update as time, sum(served) as served from countyoutages where update > $9 and update < $10 and (cwa = $1 or cwa = $2 or cwa = $3 or cwa = $4 or cwa = $5 or cwa = $6 or cwa = $7 or cwa = $8) group by county,state,update",
array('RLX','JKL','ILN','PBZ','MRX','LWX','RNK','CTP',$starttime,$endtime)) or die('Query failed: ' . pg_last_error());

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


//Archive point data
if($_GET['archivepoint'] ?? null) {
$starttime = pg_escape_string($_GET['start']);
$endtime = pg_escape_string($_GET['end']);
$result = pg_query_params($dbconn, 
"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(realgeom)::json,'properties',json_build_object('time',startguess,'county',county,'state',state,'outage',outagen,'lastchange',lastchange,'cause',cause))order by startguess asc)) FROM power WHERE cwa = $1 and startguess > $2 and lastchange < $3",
array('RLX',$starttime,$endtime)) or die('Query failed: ' . pg_last_error());
$resultArray = pg_fetch_all($result);
echo($resultArray[0]['json_build_object']);


}


//if($_GET['svr']=='current') {
//$result = pg_query_params($dbconn,
//"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(nwspoly)::json,'properties',json_build_object('issue',issue,'end',endtime,'vtec',vtec,'type',warntype)))) FROM svr where issue < now() and endtime > now()"
//,array('2023-01-01 01:00','2023-02-12 10:00')) or die('Query failed: ' . pg_last_error());
//$resultArray = pg_fetch_all($result);
//echo($resultArray[0]['json_build_object']);
//}

if($_GET['svr']  ?? null =='current') {
$result = pg_query($dbconn,
"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(nwspoly)::json,'properties',json_build_object('issue',issue,'end',endtime,'vtec',vtec,'type',warntype)))) FROM svr where issue < now() and endtime > now()") or die('Query failed: ' . pg_last_error());
$resultArray = pg_fetch_all($result);
echo($resultArray[0]['json_build_object']);
}


if($_GET['svr'] ?? null == 'archive') {
if($_GET['start'] ?? null) {
$starttime = pg_escape_string($_GET['start']);
if($_GET['end'] ?? null) {
$endtime = pg_escape_string($_GET['end']);


$result = pg_query_params($dbconn,
"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(nwspoly)::json,'properties',json_build_object('issue',issue,'end',endtime,'vtec',vtec,'type',warntype)))) FROM svr where issue > $1 and endtime < $2"
,array($starttime,$endtime)) or die('Query failed: ' . pg_last_error());
$resultArray = pg_fetch_all($result);
echo($resultArray[0]['json_build_object']);
}
}

if(!isset($_GET['start']) && !isset($_GET['end'])) {
$result = pg_query($dbconn,
"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry',  ST_AsGeoJSON(nwspoly)::json,'properties',json_build_object('issue',issue,'end',endtime,'vtec',vtec,'type',warntype)))) FROM svr where issue < now() - interval '24 hours' and endtime > now() - interval '24 hours'") or die('Query failed: ' . pg_last_error());
$resultArray = pg_fetch_all($result);
echo($resultArray[0]['json_build_object']);


}
}

pg_free_result($result);
pg_close($dbconn);
?>