<?php
error_reporting(0);
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $inputJSON = file_get_contents('php://input');
    $input = json_decode($inputJSON, true);

    if (!$input || empty($input['email'])) {
        http_response_code(400);
        echo json_encode(['error' => 'Ungültige Eingabe']);
        exit;
    }

    $email = filter_var($input['email'], FILTER_SANITIZE_EMAIL);

    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
        http_response_code(400);
        echo json_encode(['error' => 'Ungültige E-Mail Adresse']);
        exit;
    }

    // Send notification to Ntfy
    $ntfyUrl = 'https://ntfy.orfel.de/Schnappix-App-Testing';
    $message = "E-Mail: $email";

    $ch = curl_init($ntfyUrl);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $message);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Title: Neue Tester-Anmeldung',
        'Tags: calling,bust_in_silhouette'
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_exec($ch);
    curl_close($ch);

    echo json_encode(['success' => true]);
    exit;
}
http_response_code(405);
echo json_encode(['error' => 'Method not allowed']);