<?php
/**
 * Authentication Test & Debug Page
 * Shows current authentication status and configuration
 */

header('Content-Type: text/plain');

require_once __DIR__ . '/config.php';
require_once __DIR__ . '/AuthMiddleware.php';

echo "=== MSAL Authentication Test ===\n\n";

echo "1. SSO Configuration:\n";
echo "   Enabled: " . (SSO_ENABLED ? 'YES' : 'NO') . "\n";
echo "   Tenant ID: " . (SSO_TENANT_ID ?: 'NOT SET') . "\n";
echo "   Client ID: " . (SSO_CLIENT_ID ?: 'NOT SET') . "\n\n";

echo "2. Testing AuthMiddleware:\n";
try {
    $auth = new AuthMiddleware();
    echo "   ✓ AuthMiddleware loaded successfully\n";
    echo "   SSO Enabled: " . ($auth->isSSOEnabled() ? 'YES' : 'NO') . "\n\n";

    echo "3. Authentication Status:\n";
    $status = $auth->isAuthenticated();
    echo "   Authenticated: " . ($status['authenticated'] ? 'YES' : 'NO') . "\n";

    if ($status['authenticated']) {
        echo "   User Name: " . ($status['user']['name'] ?? 'Unknown') . "\n";
        echo "   User Email: " . ($status['user']['preferred_username'] ?? $status['user']['upn'] ?? 'Unknown') . "\n";
    } else {
        echo "   Error: " . ($status['error'] ?? 'Unknown') . "\n";
    }

    echo "\n4. Cookie Check:\n";
    echo "   auth_token cookie: " . (isset($_COOKIE['auth_token']) ? 'PRESENT' : 'NOT PRESENT') . "\n";

    if (isset($_COOKIE['auth_token'])) {
        $tokenLength = strlen($_COOKIE['auth_token']);
        echo "   Token length: " . $tokenLength . " chars\n";
        echo "   Token preview: " . substr($_COOKIE['auth_token'], 0, 50) . "...\n";
    }

    echo "\n5. Environment Variables:\n";
    echo "   SSO_ENABLED env: " . (getenv('SSO_ENABLED') ?: 'NOT SET') . "\n";
    echo "   SSO_TENANT_ID env: " . (getenv('SSO_TENANT_ID') ?: 'NOT SET') . "\n";
    echo "   SSO_CLIENT_ID env: " . (getenv('SSO_CLIENT_ID') ?: 'NOT SET') . "\n";

    echo "\n6. Session Info:\n";
    if (session_status() === PHP_SESSION_ACTIVE) {
        echo "   Session active: YES\n";
        echo "   Session ID: " . session_id() . "\n";
    } else {
        echo "   Session active: NO\n";
    }

    echo "\n=== Test Complete ===\n";

} catch (Exception $e) {
    echo "   ✗ Error: " . $e->getMessage() . "\n";
    echo "   Stack trace:\n";
    echo $e->getTraceAsString() . "\n";
}