//  _____         _  _____
// |_   _|____  _| ||_   _|_   __
//   | |/ _ \ \/ / __|| | \ \ / /
//   | |  __/>  <| |_ | |  \ V /
//   |_|\___/_/\_\\__||_|   \_/
// Author: Love Billenius <lovebillenius@disroot.org>
// License: GPL-3


#include "Pager.hpp"

Page &Pager::seek(const int number) {
    Page &page = get_page_at(number);
    m_page_number = number;
    return page;
}

Pager &Pager::operator+=(const int number) {
    seek(m_page_number + number);
    return *this;
}

Pager &Pager::operator-=(const int number) {
    seek(m_page_number - number);
    return *this;
}

Page &Pager::operator*() {
    return get_page_at(m_page_number);
}

Page *Pager::operator->() {
    return &get_page_at(m_page_number);
}

void Pager::set(const int number) {
    m_page_number = number;
}

void Pager::clear() {
    m_pages.clear();
}

Page &Pager::get_page_at(const int number) {
    if (!m_pages.contains(number)) {
        const Page p(number);
        m_pages[number] = p;
    }
    return m_pages.at(number);
}