<?php
//ini_set( "display_errors", true );
//ini_set( "display_startup_errors", true );
header( "Cache-Control: no-cache, must-revalidate" );
header( "Expires: Sat, 26 Jul 1997 05:00:00 GMT" );
ini_set( "memory_limit", "1G" );
require( "php/config.php" );

$oRes = new Result( "SearchResults" );
$oSearch = new Search();
$oSearch->setActive( true );

if ( isset( $_GET['DrivingTime'] ) )
    $_GET['Distance'] = $_GET['DrivingTime'];

foreach ( $_GET as $k => $v )
{
    switch( strtolower( $k ) )
    {
        case "page":
            $oRes->setPage( $v ); break;
        case "sortby":
            $oSearch->setVal( $k, $v ); $oRes->setSortField( $oSearch->sSortBy ); break;
        case "https":
            $oRes->bHttps = true; break;
        case "sortdir":
            $oSearch->setVal( $k, $v ); $oRes->setSortDir( $oSearch->sSortDir ); break;
        case "limit":
            $oRes->setLimit( $v ); break;
//        case "listingagencycode":
//            $oSearch->setVal( $k, 'RTC' . $v ); break;
        case "propertystatus":
            if ( strtolower( $v ) == "off-market" )
            {
                $oRes->aSearchReturnFields[] = "ClosedDate";
                $oRes->aSearchReturnFields[] = "SalePrice";
            }
        default:
            $oSearch->setVal( $k, $v );
    }
}
$iBaseLimit = false;
if ( isset( $_GET['DrivingTime'] ) && is_numeric( $_GET['DrivingTime'] ) && 
    isset( $_GET['StartLocation'] ) && ( strlen( $_GET['StartLocation'] ) > 1 ) )
{
        $oRes->aPassThrough = array( "Duration", "DurationValue" );
        $oRes->aSearchReturnFields[] = "Duration";
        $oRes->aSearchReturnFields[] = "DurationValue";
        if ( strlen( $oRes->iLimit ) > 0 )
        {
            $iBaseLimit = $oRes->iLimit;
            $oRes->setLimit( $oRes->iLimit * 5 );
        }
        else
        {
            $oRes->setLimit( 100 );
            $iBaseLimit = 20;
        }
}

$aResult = $oSearch->doQuery();

if ( isset( $_GET['DrivingTime'] ) && is_numeric( $_GET['DrivingTime'] ) && 
    isset( $aResult['Data'] ) && is_array( $aResult['Data'] ) )
{
    uasort( $aResult['Data'], "sortDist" );
    $aResult['Data'] = array_values( $aResult['Data'] );
    $aKeepDests = $aResult['Data'];
    $iDestOffset = 0;
    while ( count( $aKeepDests ) > 0 )
    {
        $destinations = "";
        $aThisDest = array();
        foreach ( $aKeepDests as $kKD => $aKD )
        {
            if ( count( $aThisDest ) > 20 ) continue;
            else
            {
                $aThisDest[ $kKD ] = $aKD;
                unset( $aKeepDests[ $kKD ] );
            }
        }
        foreach ( $aThisDest as $oD )
            $destinations .= $oD['Latitude'] . "," . $oD['Longitude'] . "|";
        $destinations = substr( $destinations, 0, -1 );

        $url = "https://maps.googleapis.com/maps/api/distancematrix/json?origins=" . $_GET['StartLocation'] .
            "&destinations=" . $destinations . "&key=" . GOOGLEAPIKEY;

        $c = curl_init( $url );
        curl_setopt( $c, CURLOPT_RETURNTRANSFER, true );
        $j = curl_exec( $c );
        curl_close( $c );
        $oResult = json_decode( $j );

        if ( $oResult->status == "OK" )
        {
            foreach ( $oResult->rows[0]->elements as $kDest => $oDest )
            {
                if ( $oDest->duration->value > ( $_GET['DrivingTime'] * 60 ) ) {}
                else
                {
                    $aResult['Data'][$kDest + $iDestOffset]['Duration'] = $oDest->duration->text;
                    $aResult['Data'][$kDest + $iDestOffset]['DurationValue'] = $oDest->duration->value;
                }
            }
        }
        $iDestOffset += count( $aThisDest );
    }
    foreach ( $aResult['Data'] as $kR => $oR )
    {
        if ( ! ( strlen( $oR['Duration'] ) > 0 ) )
            unset( $aResult['Data'][ $kR ] );
    }
    $aResult['TotalRecords'] = count( $aResult['Data'] );
    $aResult['Data'] = array_values( $aResult['Data'] );
    if ( $_GET['SortBy'] == "Duration" )
        uasort( $aResult['Data'], "sortDuration" );
    if ( $iBaseLimit )
        $aResult['Data'] = array_slice( $aResult['Data'], 0, $iBaseLimit );
    $aResult['RecordsReturned'] = count( $aResult['Data'] );
}

if ( isset( $aResult["Data"] ) )
{
    $oRes->addData( $aResult["Data"], "Data" );
    $oRes->addData( $aResult["TotalRecords"], "TotalRecords" );
    $oRes->addData( $aResult["RecordsReturned"], "RecordsReturned" );
}
else
	$oRes->addData( 0, "TotalRecords" );
$oRes->addData( $oSearch->aSQLStatements, "sql" );
//print "here2";
$oMLS->finish( "nashville", "search-results", json_encode( $_GET ) );
print $oRes->getJSON();

function sortDist( $a, $b )
{
    if ( $a['distance'] == $b['distance'] ) return 0;
    else return ( $a['distance'] < $b['distance'] ) ? -1 : 1;
    exit;
}

function sortDuration( $a, $b )
{
    if ( $_GET['SortDir'] == "asc" )
    {
        if ( $a['DurationValue'] == $b['DurationValue'] ) return 0;
        else return ( $a['DurationValue'] < $b['DurationValue'] ) ? -1 : 1;
    }
    else
    {
        if ( $a['DurationValue'] == $b['DurationValue'] ) return 0;
        else return ( $a['DurationValue'] < $b['DurationValue'] ) ? 1 : -1;
    }
    exit;
}