<?php
// Simplified WordPress import interface - bypass problematic components
error_reporting(E_ALL);
ini_set('display_errors', 0);
ini_set('max_execution_time', 120);
ini_set('memory_limit', '512M');

// Start session for basic functionality
if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

require_once '../includes/config.php';
require_once '../includes/database.php';

// Simple auth check - just check if user is logged in without complex auth system
$isAdmin = false;
if (isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true && isset($_SESSION['role']) && $_SESSION['role'] === 'admin') {
    $isAdmin = true;
}

// Redirect if not admin
if (!$isAdmin) {
    header('Location: login.php');
    exit;
}

$message = '';
$importResults = null;
$connectionTest = null;

// Handle form submission with simplified processing
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    try {
        // Get WordPress database configuration
        $wpConfig = [
            'host' => trim($_POST['wp_host'] ?? ''),
            'database' => trim($_POST['wp_database'] ?? ''),
            'username' => trim($_POST['wp_username'] ?? ''),
            'password' => $_POST['wp_password'] ?? ''
        ];
        
        // Validate required fields
        if (empty($wpConfig['host']) || empty($wpConfig['database']) || empty($wpConfig['username'])) {
            throw new Exception("WordPress database configuration is required. Please provide host, database, and username.");
        }
        
        // Direct WordPress connection test (bypass WordPressImport class)
        try {
            // Set timeout options
            $options = [
                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
                PDO::ATTR_TIMEOUT => 10,
                PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8mb4"
            ];
            
            $dsn = "mysql:host={$wpConfig['host']};dbname={$wpConfig['database']};charset=utf8mb4";
            $wpDb = new PDO($dsn, $wpConfig['username'], $wpConfig['password'], $options);
            
            // Test connection
            $wpDb->query("SELECT 1");
            
            if (isset($_POST['test_connection'])) {
                // Get stats with direct queries
                $stats = [];
                try {
                    $stats['posts'] = $wpDb->query("SELECT COUNT(*) FROM wp_posts WHERE post_type = 'post'")->fetchColumn();
                } catch (Exception $e) {
                    $stats['posts'] = 0;
                }
                
                try {
                    $stats['categories'] = $wpDb->query("SELECT COUNT(*) FROM wp_term_taxonomy WHERE taxonomy = 'category'")->fetchColumn();
                } catch (Exception $e) {
                    $stats['categories'] = 0;
                }
                
                try {
                    $stats['users'] = $wpDb->query("SELECT COUNT(*) FROM wp_users")->fetchColumn();
                } catch (Exception $e) {
                    $stats['users'] = 0;
                }
                
                try {
                    $stats['comments'] = $wpDb->query("SELECT COUNT(*) FROM wp_comments")->fetchColumn();
                } catch (Exception $e) {
                    $stats['comments'] = 0;
                }
                
                $message = "WordPress connection successful: " . 
                          "Posts: " . $stats['posts'] . ", " .
                          "Categories: " . $stats['categories'] . ", " .
                          "Users: " . $stats['users'] . ", " .
                          "Comments: " . $stats['comments'];
            }
        } catch (Exception $e) {
            throw new Exception("WordPress connection failed: " . $e->getMessage());
        }
        
        if (isset($_POST['start_import'])) {
            // For now, just show a message that import is not implemented in this simplified version
            throw new Exception("Import functionality is temporarily disabled. Please use the AJAX import tool for importing data.");
        }
        
    } catch (Exception $e) {
        $message = $e->getMessage();
    }
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>WordPress Import - <?php echo SITE_TITLE; ?></title>
    <link rel="stylesheet" href="../css/style.css">
    <link rel="stylesheet" href="../css/admin-import.css">
</head>
<body>
    <div class="admin-layout">
        <header class="admin-header">
            <div class="header-content">
                <h1><a href="/index.php"><?php echo SITE_TITLE; ?></a></h1>
                <nav class="admin-nav">
                    <a href="index.php" class="nav-link">Dashboard</a>
                    <a href="publications.php" class="nav-link">Publications</a>
                    <a href="categories.php" class="nav-link">Categories</a>
                    <a href="comments.php" class="nav-link">Comments</a>
                    <a href="users.php" class="nav-link">Users</a>
                    <a href="wordpress_import.php" class="nav-link active">WordPress Import</a>
                    <?php if (LDAP_ENABLED): ?>
                        <a href="ldap-users.php" class="nav-link">LDAP Users</a>
                    <?php endif; ?>
                    <a href="logout.php" class="nav-link">Logout</a>
                </nav>
                <div class="user-info">
                    Welcome, <?php echo htmlspecialchars($_SESSION['username'] ?? 'Admin'); ?>
                </div>
            </div>
        </header>

        <main class="admin-main">
            <div class="page-header">
                <h2>WordPress Import</h2>
                <p class="page-description">Import WordPress data into your system.</p>
                <p class="page-description">Import posts, categories, users, and comments from a WordPress database to your publication system.</p>
            </div>
            
            <?php if ($message): ?>
                <div class="alert alert-<?php echo strpos($message, 'Error') === false && strpos($message, 'failed') === false ? 'success' : 'error'; ?>">
                    <?php echo $message; ?>
                </div>
            <?php endif; ?>

            <!-- Import Form -->
            <div class="import-form-container">
                <form method="post" class="import-form">
                    <div class="form-section">
                        <h3>WordPress Database Configuration</h3>
                        
                        <div class="form-row">
                            <div class="form-group">
                                <label for="wp_host">Database Host *</label>
                                <input type="text" id="wp_host" name="wp_host" 
                                       value="<?php echo htmlspecialchars($_POST['wp_host'] ?? 'localhost'); ?>" 
                                       placeholder="localhost" required>
                            </div>
                            
                            <div class="form-group">
                                <label for="wp_database">Database Name *</label>
                                <input type="text" id="wp_database" name="wp_database" 
                                       value="<?php echo htmlspecialchars($_POST['wp_database'] ?? ''); ?>" 
                                       placeholder="wordpress_database" required>
                            </div>
                        </div>
                        
                        <div class="form-row">
                            <div class="form-group">
                                <label for="wp_username">Database Username *</label>
                                <input type="text" id="wp_username" name="wp_username" 
                                       value="<?php echo htmlspecialchars($_POST['wp_username'] ?? ''); ?>" 
                                       placeholder="wp_username" required>
                            </div>
                            
                            <div class="form-group">
                                <label for="wp_password">Database Password</label>
                                <input type="password" id="wp_password" name="wp_password" 
                                       value="<?php echo htmlspecialchars($_POST['wp_password'] ?? ''); ?>" 
                                       placeholder="Leave empty if no password">
                            </div>
                        </div>
                    </div>
                    
                    <div class="form-section">
                        <h3>Import Options</h3>
                        
                        <div class="form-row">
                            <div class="form-group">
                                <label class="checkbox-label">
                                    <input type="checkbox" name="import_categories" checked>
                                    Import Categories
                                </label>
                            </div>
                            
                            <div class="form-group">
                                <label class="checkbox-label">
                                    <input type="checkbox" name="import_users" checked>
                                    Import Users
                                </label>
                            </div>
                        </div>
                        
                        <div class="form-row">
                            <div class="form-group">
                                <label class="checkbox-label">
                                    <input type="checkbox" name="import_posts" checked>
                                    Import Posts
                                </label>
                            </div>
                            
                            <div class="form-group">
                                <label class="checkbox-label">
                                    <input type="checkbox" name="import_comments" checked>
                                    Import Comments
                                </label>
                            </div>
                        </div>
                    </div>
                    
                    <div class="form-actions">
                        <button type="submit" name="test_connection" class="btn btn-primary">
                            Test Connection
                        </button>
                        <button type="submit" name="start_import" class="btn btn-success" 
                                onclick="return confirm('Are you sure you want to start the import? This will import data from WordPress into your system.')">
                            Start Import
                        </button>
                    </div>
                </form>
            </div>

            <!-- Import Results -->
            <?php if ($importResults): ?>
                <div class="import-results">
                    <h3>Import Results</h3>
                    
                    <?php if ($importResults['success']): ?>
                        <div class="success-summary">
                            <p class="success-message">WordPress import completed successfully!</p>
                        </div>
                        
                        <div class="results-details">
                            <?php foreach ($importResults['results'] as $type => $result): ?>
                                <div class="result-item">
                                    <h4><?php echo ucfirst($type); ?></h4>
                                    <div class="result-stats">
                                        <span class="stat success">
                                            Imported: <strong><?php echo $result['imported']; ?></strong>
                                        </span>
                                        <span class="stat warning">
                                            Skipped: <strong><?php echo $result['skipped']; ?></strong>
                                        </span>
                                    </div>
                                </div>
                            <?php endforeach; ?>
                        </div>
                        
                        <?php if (!empty($importResults['log'])): ?>
                            <div class="import-log">
                                <h4>Import Log</h4>
                                <div class="log-container">
                                    <?php foreach ($importResults['log'] as $logEntry): ?>
                                        <div class="log-entry log-<?php echo $logEntry['level']; ?>">
                                            <span class="log-time"><?php echo $logEntry['timestamp']; ?></span>
                                            <span class="log-message"><?php echo htmlspecialchars($logEntry['message']); ?></span>
                                        </div>
                                    <?php endforeach; ?>
                                </div>
                            </div>
                        <?php endif; ?>
                        
                        <?php if (!empty($importResults['errors'])): ?>
                            <div class="import-errors">
                                <h4>Import Errors</h4>
                                <div class="error-list">
                                    <?php foreach ($importResults['errors'] as $error): ?>
                                        <div class="error-item">
                                            <?php echo htmlspecialchars($error); ?>
                                        </div>
                                    <?php endforeach; ?>
                                </div>
                            </div>
                        <?php endif; ?>
                        
                    <?php else: ?>
                        <div class="error-summary">
                            <p class="error-message"><?php echo htmlspecialchars($importResults['error']); ?></p>
                        </div>
                    <?php endif; ?>
                </div>
            <?php endif; ?>

            <!-- Information Section -->
            <div class="info-section">
                <h3>WordPress Import Information</h3>
                <div class="info-content">
                    <div class="info-item">
                        <h4>What Gets Imported</h4>
                        <ul>
                            <li>Posts (title, content, author, publication date)</li>
                            <li>Categories (name and description)</li>
                            <li>Users (username, email, display name)</li>
                            <li>Comments (content, author, date, threading)</li>
                        </ul>
                    </div>
                    
                    <div class="info-item">
                        <h4>Requirements</h4>
                        <ul>
                            <li>Database access to WordPress database</li>
                            <li>WordPress database with standard structure</li>
                            <li>Backup of your current data (recommended)</li>
                        </ul>
                    </div>
                    
                    <div class="info-item">
                        <h4>Important Notes</h4>
                        <ul>
                            <li>Existing data with same identifiers will be skipped</li>
                            <li>WordPress content is processed for compatibility</li>
                            <li>WordPress users are mapped to your user system</li>
                        </ul>
                    </div>
                </div>
            </div>
        </main>
    </div>

    <script>
        // WordPress Import JavaScript
        document.addEventListener('DOMContentLoaded', function() {
            const form = document.querySelector('.import-form');
            const testBtn = document.querySelector('button[name="test_connection"]');
            const importBtn = document.querySelector('button[name="start_import"]');
            
            // Show loading state
            function setLoading(button, loading) {
                if (loading) {
                    button.disabled = true;
                    button.dataset.originalText = button.textContent;
                    button.textContent = button.dataset.loadingText || 'Loading...';
                } else {
                    button.disabled = false;
                    button.textContent = button.dataset.originalText;
                }
            }
            
            // Test connection loading
            testBtn.addEventListener('click', function() {
                setLoading(this, true);
                this.dataset.loadingText = 'Testing connection...';
            });
            
            // Import loading
            importBtn.addEventListener('click', function() {
                setLoading(this, true);
                this.dataset.loadingText = 'Importing...';
            });
            
            // Reset loading on form submit
            form.addEventListener('submit', function() {
                setTimeout(() => {
                    setLoading(testBtn, false);
                    setLoading(importBtn, false);
                }, 1000);
            });
            
            // Auto-focus first empty field
            const firstEmpty = form.querySelector('input[value=""], input:not([value])');
            if (firstEmpty) {
                firstEmpty.focus();
            }
        });
    </script>
</body>
</html>