"""Build a bootable Atari .atr from a conversion."""

from __future__ import annotations

from ..convert.base import Conversion
from . import atr, car
from .viewer.assemble import assemble_stub, build_cart_rom


def export_atr(conv: Conversion, output_path: str, source_path: str | None = None,
               display: str = "forever", seconds: int = 0, video: str = "ntsc") -> str:
    """Write ``conv`` as a self-booting .atr at ``output_path``.

    ``display`` (forever/key/seconds) + ``seconds`` choose how long the viewer
    holds the picture; on key/seconds it warm-starts the OS. ``video`` sets the
    frame rate the seconds timer counts (50 PAL / 60 NTSC)."""
    if not output_path.lower().endswith(".atr"):
        output_path += ".atr"
    stub = assemble_stub(conv.viewer, display=display, seconds=seconds, video=video)
    blob = atr.build_blob(stub, conv.data)
    return atr.write_boot_atr(output_path, blob)


def export_car(conv: Conversion, output_path: str, source_path: str | None = None,
               display: str = "forever", seconds: int = 0, video: str = "ntsc") -> str:
    """Write ``conv`` as an autostarting 16K Atari .car cartridge (reuses the
    disk viewer, so display-duration works the same)."""
    if not output_path.lower().endswith(".car"):
        output_path += ".car"
    rom = build_cart_rom(conv.viewer, conv.data, display=display,
                         seconds=seconds, video=video)
    return car.write_car(rom, output_path)