# retoor <retoor@molodetz.nl>

from dataclasses import replace

from devplacepy.services.devii.config import load_settings
from devplacepy.services.devii.fetch.controller import MIN_FETCH_CHARS, FetchController


def _controller(ceiling):
    return FetchController(replace(load_settings(), fetch_max_chars=ceiling))


def test_optional_cap_defaults_to_ceiling():
    controller = _controller(2000)
    assert controller._optional_cap(None, "a" * 5000) == "a" * 2000


def test_optional_cap_clamps_large_request_to_ceiling():
    controller = _controller(2000)
    assert controller._optional_cap(10**9, "b" * 5000) == "b" * 2000


def test_optional_cap_honors_smaller_request():
    controller = _controller(2000)
    assert controller._optional_cap(1500, "c" * 5000) == "c" * 1500


def test_optional_cap_floors_tiny_request():
    controller = _controller(2000)
    assert controller._optional_cap(10, "d" * 5000) == "d" * MIN_FETCH_CHARS


def test_optional_cap_invalid_request_falls_back_to_ceiling():
    controller = _controller(2000)
    assert controller._optional_cap("many", "e" * 5000) == "e" * 2000


def test_optional_cap_leaves_short_content_alone():
    controller = _controller(2000)
    assert controller._optional_cap(None, "short") == "short"
    assert controller._optional_cap(1500, "short") == "short"