/**
 * @file menu.cpp
 * @author Alexander Klein (alex@kleiax.de)
 * @brief 
 * @version 0.1
 * @date 2022-01-12
 * 
 * @copyright Copyright (c) 2022
 * 
 */
#include "menu.h"

Menu::Menu(MenuEntry* firstEntry) {
    entrys.push_back(firstEntry);
    this->it = this->entrys.begin();
}

void Menu::nextEntry() {
    if (this->it != this->entrys.end())
        this->it++;
    else
       this->it = this->entrys.begin(); 
    this->printMenu();
}

void Menu::prevEntry() {
    if (this->it != this->entrys.begin())
        this->it--;
    else
       this->it = this->entrys.end();
    this->printMenu();
}

void Menu::enterEntry() {
    // TODO: find out why i cannot call run directly from the iterator
    MenuEntry* selectedEntry = *(this->it);
    selectedEntry->run();
}

void Menu::enterParentMenu() {
    this->parentMenu->printMenu();
}