from typing import List

from .todo_import_csv_validate_todo_csv import read_todo_csv
from .todo_item import Todo


def import_csv(csv: str) -> List[Todo]:
    """Todos from CSV: 13 columns in any order, CRLF or LF, optional BOM; errors name the row (header = row 1)."""
    reading = read_todo_csv(csv)
    if reading.problems:
        raise ValueError(reading.problems[0].thrown)
    return reading.todos