import uuid
from functools import partial

import pytest

from unstructured.cleaners.core import clean_prefix
from unstructured.cleaners.translate import translate_text
from unstructured.documents.email_elements import UUID, EmailElement, Name, NoID


def test_text_id():
    name_element = Name(name="Example", text="hello there!")
    assert name_element.id == "c69509590d81db2f37f9d75480c8efed"


def test_text_uuid():
    name_element = Name(name="Example", text="hello there!", element_id=UUID())
    assert isinstance(name_element.id, uuid.UUID)


def test_element_defaults_to_blank_id():
    element = EmailElement()
    assert isinstance(element.id, NoID)


def test_text_element_apply_cleaners():
    name_element = Name(name="[2] Example docs", text="[1] A Textbook on Crocodile Habitats")

    name_element.apply(partial(clean_prefix, pattern=r"\[\d{1,2}\]"))
    assert str(name_element) == "Example docs: A Textbook on Crocodile Habitats"


def test_name_element_apply_multiple_cleaners():
    cleaners = [
        partial(clean_prefix, pattern=r"\[\d{1,2}\]"),
        partial(translate_text, target_lang="ru"),
    ]
    name_element = Name(
        name="[1] A Textbook on Crocodile Habitats",
        text="[1] A Textbook on Crocodile Habitats",
    )
    name_element.apply(*cleaners)
    assert (
        str(name_element)
        == "Учебник по крокодильным средам обитания: Учебник по крокодильным средам обитания"
    )


def test_apply_raises_if_func_does_not_produce_string():
    name_element = Name(name="Example docs", text="[1] A Textbook on Crocodile Habitats")
    with pytest.raises(ValueError):
        name_element.apply(lambda s: 1)