<?php

use GuzzleHttp\Client;

require_once 'vendor/autoload.php';
$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
$dotenv->load();
$client = new Client();
function send_notifications(Client $client, string $receiver, string $title, string $body): void
{
    $client->post(sprintf('%s/api/services/notify/%s', $_ENV['HOMEASSISTANT_URL'], $receiver), [
        'headers' => ['Authorization' => 'Bearer ' . $_ENV['HOMEASSISTANT_TOKEN']],
        'json' => ['message' => $body, 'title' => $title]
    ]);
}

function update_homeassistent_entity(Client $client, array $package_info): void
{
    $client->post(sprintf('%s/api/states/sensor.foodsi_3kromki_large', $_ENV['HOMEASSISTANT_URL']), [
        'headers' => ['Authorization' => 'Bearer ' . $_ENV['HOMEASSISTANT_TOKEN']],
        'json' => ['state' => $package_info['current_quantity']]
    ]);
}

function get_foodsie_package_info(Client $client): array
{
    $response = $client->post('https://api.foodsi.pl/api/v2/auth/sign_in', [
        'json' => [
            'email' => $_ENV['FOODSI_EMAIL'],
            'password' => $_ENV['FOODSI_PASSWORD'],
        ],
    ]);
    $response = $client->get(
        'https://api.foodsi.pl/api/v3/user/offers?filter[venue_name][]=Trzy kromki chleba&filter[active]=true&filter[current_quantity][gt]=-1&filter[id]=6052730',
        [
            'headers' => [
                'Access-Token' => $response->getHeader('Access-Token'),
                'Client' => $response->getHeader('Client'),
                'Uid' => $response->getHeader('Uid'),
            ],
        ],
    );
    $data = json_decode($response->getBody(), true);

    return $data['data'][0]['attributes'];
}

$packageInfo = get_foodsie_package_info($client);
$receivers = explode(',', $_ENV['HOMEASSISTANT_NOTIFICATION_CLIENTS']);
$notificationSent = false;
foreach ($receivers as $receiver) {
    if (!file_exists('last_notification_date.txt')) {
        touch('last_notification_date.txt');
    }
    $lastNotificationDate = file_get_contents('last_notification_date.txt');
    if ($packageInfo['current_quantity'] > 0 && $lastNotificationDate !== date('Y-m-d')) {
        send_notifications($client, $receiver, 'Dostępna paczka w 3 kromki chleba', sprintf('W trzech kromkach dostępne są paczki. Ilość: %s', $packageInfo['current_quantity']));
        $notificationSent = true;
    }
}
if ($notificationSent) {
    file_put_contents('last_notification_date.txt', date('Y-m-d'));
}
update_homeassistent_entity($client, $packageInfo);