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

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $name = trim($_POST['name'] ?? '');
    $email = trim($_POST['email'] ?? '');
    $phone = trim($_POST['phone'] ?? '');
    $message = trim($_POST['message'] ?? '');
    
    if (empty($name) || empty($email)) {
        echo json_encode(['success' => false, 'message' => 'Name and email required']);
        exit;
    }
    
    // Save to file
    $data = [
        'name' => $name,
        'email' => $email,
        'phone' => $phone,
        'message' => $message,
        'date' => date('Y-m-d H:i:s')
    ];
    
    $file = __DIR__ . '/contacts.json';
    $existing = file_exists($file) ? json_decode(file_get_contents($file), true) : [];
    $existing[] = $data;
    file_put_contents($file, json_encode($existing, JSON_PRETTY_PRINT));
    
    // Send Telegram notification
    $telegramToken = '8644418426:AAEL8GvHwohNDkxayu5yCZFPgh5Gsc-yAhA';
    $chatId = '382315644';
    $text = "📬 *New HP Contact Submission*\n\n" .
            "*Name:* $name\n" .
            "*Email:* $email\n" .
            "*Phone:* $phone\n" .
            "*Message:* $message";
    
    $telegramUrl = "https://api.telegram.org/bot$telegramToken/sendMessage?chat_id=$chatId&text=" . urlencode($text) . "&parse_mode=Markdown";
    @file_get_contents($telegramUrl);
    
    echo json_encode(['success' => true, 'message' => 'Thank you! We will contact you soon.']);
} else {
    echo json_encode(['success' => false, 'message' => 'Invalid request']);
}