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

// Stripe webhook secret
$webhookSecret = 'whsec_yoursecret'; // TODO: Get from Stripe Dashboard

// Get payload
$payload = file_get_contents('php://input');
$sig = $_SERVER['HTTP_STRIPE_SIGNATURE'] ?? '';

// Validate webhook (simplified - in production use webhook secret)
$data = json_decode($payload, true);

if (!$data || !isset($data['type'])) {
    http_response_code(400);
    exit;
}

$eventType = $data['type'];
$session = $data['data']['object'] ?? [];

if ($eventType === 'checkout.session.completed') {
    // Payment successful - AI agent hired us!
    $agentType = $session['metadata']['agent_type'] ?? 'unknown';
    $email = $session['customer_email'] ?? '';
    $sessionId = $session['id'] ?? '';
    $amount = isset($session['amount_total']) ? $session['amount_total'] / 100 : 0;
    
    // Log the hire
    $log = [
        'timestamp' => date('Y-m-d H:i:s'),
        'event' => 'ai_agent_hired',
        'agent' => $agentType,
        'email' => $email,
        'session_id' => $sessionId,
        'amount' => $amount
    ];
    
    // Save to hires log
    $logFile = '/var/www/hostpioneers.com/public_html/api/hires.log';
    $existing = file_exists($logFile) ? json_decode(file_get_contents($logFile), true) : [];
    $existing[] = $log;
    file_put_contents($logFile, json_encode($existing, JSON_PRETTY_PRINT));
    
    // Send Telegram notification
    $telegramToken = '8644418426:AAEL8GvHwohNDkxaru5yCZFPgh5Gsc-yAhA';
    $chatId = '382315644';
    $text = "🤖 *AI AGENT HIRED!*

*Agent:* $agentType
*Email:* $email
*Amount:* $" . number_format($amount, 2) . "
*Session:* $sessionId";

    $ch = curl_init("https://api.telegram.org/bot$telegramToken/sendMessage?chat_id=$chatId&text=" . urlencode($text) . "&parse_mode=Markdown");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_exec($ch);
    curl_close($ch);
    
    // Send email
    $to = 'sales@hostpioneers.com';
    $subject = "🤖 AI Agent Hired: $agentType - $" . number_format($amount, 2);
    $body = "AI Agent hired!

Agent: $agentType
Customer: $email
Amount: $" . number_format($amount, 2) . "
Session: $sessionId

---
This was an automated notification from HostPioneers API.";
    
    @mail($to, $subject, $body);
    
    echo json_encode(['success' => true, 'message' => 'Hire logged and notifications sent']);
} else {
    echo json_encode(['success' => true, 'message' => 'Event ignored']);
}