"""Simple sliding-window text chunking."""


def chunk_text(text: str, size: int = 2000, overlap: int = 200) -> list[str]:
    """Split text into overlapping chunks.

    Args:
        text: The full text to split.
        size: Maximum characters per chunk.
        overlap: Characters of overlap between consecutive chunks.

    Returns:
        List of text chunks. Returns single-item list for short text.
    """
    if len(text) <= size:
        return [text]

    chunks: list[str] = []
    step = size - overlap
    start = 0
    while start < len(text):
        end = start + size
        chunks.append(text[start:end])
        if end >= len(text):
            break
        start += step

    return chunks