#!ipxe

# Configuración inicial
set ISODIR ogLive

:bios_boot_first_second
echo "Booting firstboot and secondboot flow using GRUB4DOS..."

# Pasar control a GRUB4DOS para manejar firstboot y secondboot
chain tftp://__SERVERIP__/tftpboot/grub.exe --config-file="
    # Configurar ISODIR
    timeout 0
    set ISODIR=${ISODIR};

    # Firstboot
    find --set-root --ignore-floppies --ignore-cd /ogboot.me checkrange 0x07 parttype > nul;
    cmp /ogboot.me /ogboot.firstboot || goto secondboot;
    write /ogboot.firstboot iniciado;
    pause Firstboot passed. File updated. Press any key to continue...;
    chainloader +1;
    boot;

    # Secondboot
    :secondboot
    find --set-root --ignore-floppies --ignore-cd /ogboot.me checkrange 0x07 parttype > nul;
    cmp /ogboot.me /ogboot.secondboot || goto fallback;
    write /ogboot.secondboot iniciado;
    pause Secondboot passed. File updated. Press any key to continue...;
    chainloader +1;
    boot;

    # Fallback
    :fallback
    pause Firstboot and Secondboot failed. Press any key to continue...;
    quit;
" || echo "Failed to execute GRUB fallback sequence."