#pragma once
#include "src/settings_interface.h"
#include <QStringList>
#include <QMenu>
#include <memory>

class RecentFiles {
public:
    // QAction extension to signal file path
    class Action;

    // size: length of the list before removing older files
    // force_empty: work from an empty list
    RecentFiles(unsigned int size = 10, bool force_empty = false);
    // Note: recent files list is committed on destruction
    ~RecentFiles();

    // Submit a file to the recent files list
    // It will not be added if it's already in the list
    void add_file(const QString& path);

    // Get the list of recent files
    const QStringList& get_files();

    // Clear the list of recent files
    void clear();

    // Create a QMenu with the list of recent files
    // The caller is responsable of managing the pointer's lifetime. It works like any other QMnenu, but is already populated.
    // title: the text shown
    // parent: the QMenu's parent
    typedef std::shared_ptr<QMenu> QMenuPtr;
    QMenuPtr create_menu(const QString& title, QWidget* parent = nullptr);

private:
    SettingsInterface settings_interface;
    QStringList list;
    unsigned int size;
    bool has_list_changed = false;

    QMenuPtr menu;

    void generate_menu_actions();
};

class RecentFiles::Action : public QAction {
    Q_OBJECT
public:
    Action(const QString &text, QObject *parent = nullptr);
    QString file_path;

signals:
    void chosen_file(const QString& file_path);
};