<?php
/**
 * Handles all the hard weather db stuff, just provide $VARS lat and long.
 * 
 * Get the contents of the current weather with $currently
 */

require_once 'latlong_validate.php';

// Round to 2 digits (approx. 1.1km)
$lat = number_format((float) $VARS['lat'], 2, '.', '');
$long = number_format((float) $VARS['long'], 2, '.', '');

// Delete old records
$database->delete('weathercache', ["date[<]" => date('Y-m-d H:i:s', strtotime('-30 minutes'))]);

// If we don't get a cache hit, request from the API
if (!$database->has('weathercache', ["AND" => ["latitude" => $lat, "longitude" => $long]])) {
    $weather = json_decode(file_get_contents("https://api.darksky.net/forecast/" . DARKSKY_APIKEY . "/$lat,$long"), TRUE);
    $currentjson = json_encode($weather['currently']);
    $database->insert('weathercache', ["latitude" => $lat, "longitude" => $long, "#date" => "NOW()", "currentjson" => $currentjson]);
}

// Get the cached record and put it in a variable
$currently = json_decode($database->select('weathercache', 'currentjson', ["AND" => ["latitude" => $lat, "longitude" => $long]])[0], TRUE);