<?php
$cachefile = "../content/weather.json";   
$cachetime = 1 * 60; 

/* Uncomment this part if you want to enable caching
if (file_exists($cachefile) && (time() - $cachetime < filemtime($cachefile))) {
    include($cachefile);
    exit;
}
*/

ob_start();

error_reporting(E_ALL);
ini_set('display_errors', 1);

$cities = array(294098, 294801, 293286, 281184, 293397, 295721, 293688, 294604, 281132, 295277);
$names = array("الناصرة", "حيفا", "ام الفحم", "القدس", "تل ابيب", "عكا", "راس الناقورة", "كفر قاسم", "قطاع غزة", "ايلات");

$apiKey = "004504ca40e0fba5d5c341521a227f7f";

function fetchWeatherData($url) {
    $context = stream_context_create(array(
        'http' => array(
            'method' => 'GET',
            'header' => "User-Agent: PHP\r\n"
        )
    ));
    $data = file_get_contents($url, false, $context);
    return $data;
}

$weatherData = array();

for ($i = 0; $i < count($cities); $i++) { 
    $city = $cities[$i];
    $url = "http://api.openweathermap.org/data/2.5/weather?id=$city&units=metric&cnt=7&lang=AR&appid=$apiKey";

    $json = fetchWeatherData($url);

    // Check if the request was successful
    if ($json === FALSE) {
        continue;
    }

    $data = json_decode($json, true);

    if (isset($data['main']['temp']) && isset($data['weather'][0]['description']) && isset($data['weather'][0]['id'])) {
        $deg = (string) round($data['main']['temp']);
        $desc = $data['weather'][0]['description'];
        $icon = (string) $data['weather'][0]['id'];

        $weatherData['city'][] = array(
            'deg' => $deg,
            'name' => $names[$i],
            'desc' => $desc,
            'icon' => $icon
        );
    }
}

header('Content-type: application/json');
echo json_encode($weatherData, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);

$fp = fopen($cachefile, 'w'); 

// Save the contents of output buffer to the file
fwrite($fp, ob_get_contents());

// Close the file
fclose($fp); 

// Send the output to the browser
ob_end_flush();
?>