<?php

declare(strict_types=1);

header('Content-Type: application/json; charset=utf-8');
header('Cache-Control: no-store, no-cache, must-revalidate');

date_default_timezone_set('Europe/Berlin');
require_once __DIR__ . '/util/dashboard_helpers.php';

$resource = (string) ($_GET['resource'] ?? 'content');

try {
    switch ($resource) {
        case 'content':
            $pdo = require __DIR__ . '/../../general_files/ini/database.php';
            $payload = dashboard_fetch_content($pdo, dashboard_now());
            break;
        case 'images':
            $payload = [
                'posters' => dashboard_list_posters(dashboard_now()),
                'month_images' => dashboard_month_images(),
            ];
            break;
        case 'indoor':
            $payload = ['indoor' => dashboard_fetch_indoor_temperature()];
            break;
        case 'outdoor':
            $payload = ['outdoor' => dashboard_fetch_outdoor_weather()];
            break;
        case 'departures_eich':
            require_once __DIR__ . '/util/bvg.php';
            $payload = dashboard_fetch_departures();
            break;
        default:
            http_response_code(400);
            $payload = ['error' => 'Unbekannte Dashboard-Ressource.'];
    }

    echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR);
} catch (Throwable $exception) {
    http_response_code(502);
    error_log('Dashboard data endpoint (' . $resource . '): ' . $exception->getMessage());
    echo json_encode(['error' => 'Dashboard-Daten konnten nicht geladen werden.'], JSON_UNESCAPED_UNICODE);
}