#pragma once

#include <QObject>
#include <QString>
#include <QList>
#include <QDir>
#include <QSharedPointer>

#include "javascript/module/file_system/object/FileJsObject.hpp"
#include "javascript/engine/AtlasJsEngine.hpp"


/**
 * Represent a file system Path as a JavaScript object
 * Similar to the pathlib library in Python
 */
class PathJsObject : public QObject {
    Q_OBJECT

public:
    explicit PathJsObject(AtlasJsEngine* engine, const std::filesystem::path& virtualPath);

    // browse

    /**
     * Get the parent directory
     * @return the parent directory
     */
    Q_INVOKABLE QJSValue getParent() const;

    /**
     * Get the child paths
     * @return the child paths
     */
    Q_INVOKABLE QList<QJSValue> getChildrens(bool recursive = false, QString pattern = "*") const;

    // type

    Q_INVOKABLE bool exists();

    /**
     * is the current path leading to a file
     * @return is the current path leading to a file
     */
    Q_INVOKABLE bool isFile() const;
    /**
     * is the current path leading to a directory
     * @return is the current path leading to a directory
     */
    Q_INVOKABLE bool isDirectory() const;

    // operation

    /**
     * open the path as a file
     * @return the opened file
     */
    Q_INVOKABLE QJSValue open(const QString& mode, const QString& encoding = QStringLiteral("utf-8"));

    Q_INVOKABLE void mkdir(bool parents);

    Q_INVOKABLE void remove(bool recursive);

    // component

    /**
     * get the full path to the file
     * @return the full path to the file
     */
    Q_INVOKABLE QString getPath() const;
    /**
     * get the name of the directory containing the file
     * @return the name of the directory containing the file
     */
    Q_INVOKABLE QString getDirname() const;
    /**
     * get the name of the file
     * @return the name of the file
     */
    Q_INVOKABLE QString getFilename() const;
    /**
     * get the name of the file without the suffix
     * @return the name of the file without the suffix
     */
    Q_INVOKABLE QString getBasename() const;
    /**
     * get the extension of the file
     * @return the extension of the file
     */
    Q_INVOKABLE QString getSuffix() const;
    /**
     * get the extensions of the file
     * @return the extensions of the file
     */
    Q_INVOKABLE QList<QString> getSuffixes() const;
    /**
     * get the segments of the path
     * @return the segments of the path
     */
    Q_INVOKABLE QList<QString> getSegments() const;

private:
    /// the JavaScript engine
    AtlasJsEngine* engine;
    /// the virtual path
    std::filesystem::path virtualPath;

    /**
     * Get the real path on the host file system of the path
     * @return the real path on the host file system
     * @throw rvfs::exception::FileNotFoundException if the path does not match with anything on the real file system
     */
    std::filesystem::path getRealPath() const;
};