"""Build an NES (.nes) cartridge from a conversion."""
from __future__ import annotations

from . import cartridge


def export_nes(conv, output_path, source_path=None, display="forever",
               seconds=0, video="ntsc"):
    if not output_path.lower().endswith((".nes", ".unf")):
        output_path += ".nes"
    d = conv.data
    rom = cartridge.build_rom(d["palette"], d["nametable"], d["chr"])
    return cartridge.write_nes(rom, output_path)