<?php

declare(strict_types=1);

ini_set('display_errors', 0);

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL,"https://www.dwfire.org.uk/");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTP_VERSION, 3);
curl_setopt($ch, CURLOPT_ENCODING, '');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'User-Agent: curl/7.81.0',
    'Accept: text/html',
]);

$html = curl_exec($ch);

preg_match('/var WP = ({.+})/', $html, $matches);

$json = json_decode($matches[1], flags: JSON_THROW_ON_ERROR);

$rawIncidents = $json->context->incidentsBar;

$incidents = json_decode(file_get_contents(__DIR__ . '/incidents.json'), true, flags: JSON_THROW_ON_ERROR);

foreach ($rawIncidents as $incident) {
    $time = trim($incident->custom->time);

    if (strpos($time, '.') !== false) {
        $timeFragments = explode('.', $time, 2);
    } else if (strpos($time, ':') !== false) {
        $timeFragments = explode(':', $time, 2);
    } else {
        echo 'ERROR: unable to decode time' . PHP_EOL;
        continue;
    }

    $timeHours = $timeFragments[0];
    $timeMinutes = $timeFragments[1];

    if (strpos($timeMinutes, 'pm') !== false) {
        $timeHours += 12;
    }

    $timeMinutes = str_replace(['am', 'pm'], '', $timeMinutes);

    $timeHours = str_pad((string)$timeHours, 2, '0', STR_PAD_LEFT);
    $timeMinutes = str_pad((string)$timeMinutes, 2, '0', STR_PAD_LEFT);

    $incidentData = new stdClass();
    $incidentData->id = $incident->id;
    $incidentData->title = $incident->post_title;
    $incidentData->description = $incident->description;
    $incidentData->timestamp = DateTimeImmutable::createFromFormat('Ymd Hi', $incident->custom->date . ' ' . $timeHours . $timeMinutes)->getTimestamp();
    $incidentData->location = new stdClass();
    $incidentData->location->address = $incident->location->address;
    $incidentData->location->lat = $incident->location->lat;
    $incidentData->location->lng = $incident->location->lng;
    $incidentData->stations = $incident->attending;

    $incidents[$incidentData->id] = $incidentData;
}

file_put_contents(__DIR__ . '/incidents.json', json_encode($incidents, flags: JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT));