"""挂车号分流：货拉拉免挂车证；自有正常挂车号强制；三方不强制。"""
from __future__ import annotations

import pytest
from fastapi import HTTPException

from app.services.pl_cert_required_service import (
    is_huolala_trailer_no,
    should_require_trailer_certs,
    should_show_trailer_cert_slots,
    validate_self_vehicle_required_certs,
)


def _complete_self_head_certs():
    return [
        {"cert_name": "行驶证", "expire_date": "2030-01-01", "vehicle_part": "head"},
        {"cert_name": "营运证", "expire_date": "2030-01-01", "vehicle_part": "head"},
        {"cert_name": "保险单", "expire_date": "2030-01-01", "vehicle_part": "head"},
    ]


def test_huolala_trailer_helpers():
    assert is_huolala_trailer_no("货拉拉")
    assert is_huolala_trailer_no(" 货拉拉 ")
    assert not is_huolala_trailer_no("皖LP359")
    assert not should_show_trailer_cert_slots("货拉拉")
    assert should_show_trailer_cert_slots("皖LP359")
    assert not should_require_trailer_certs("self", "货拉拉")
    assert should_require_trailer_certs("self", "皖LP359")
    assert not should_require_trailer_certs("carrier", "皖LP359")


def test_self_huolala_skips_trailer_required_certs():
    validate_self_vehicle_required_certs(
        _complete_self_head_certs(),
        trailer_no="货拉拉",
    )


def test_self_normal_trailer_requires_trailer_certs():
    with pytest.raises(HTTPException) as ei:
        validate_self_vehicle_required_certs(
            _complete_self_head_certs(),
            trailer_no="皖LP359",
        )
    assert ei.value.status_code == 400
    assert "挂车" in ei.value.detail