from __future__ import annotations

from pathlib import Path

from ocr_studio.config import PAGE_BREAK

PAGE_SEPARATOR = PAGE_BREAK


def write_text_file(text: str, destination: Path) -> Path:
    destination.write_text(text or "", encoding="utf-8-sig")
    return destination


def split_pages(text: str, expected: int) -> list[str]:
    if expected <= 1:
        return [text or ""]
    if PAGE_SEPARATOR in (text or ""):
        parts = (text or "").split(PAGE_SEPARATOR)
    else:
        parts = [text or ""]
    if len(parts) == expected:
        return parts
    if len(parts) > expected:
        head = parts[: expected - 1]
        tail = PAGE_SEPARATOR.join(parts[expected - 1 :])
        return head + [tail]
    padded = list(parts)
    while len(padded) < expected:
        padded.append("")
    return padded