"""employment_agent.plugins parse_phone — stacked clamp_phone + prefer_extracted_phone."""

from __future__ import annotations

from employment_agent.plugins import parse_phone, prefer_full_phone


def _digits(value):
    return "".join(c for c in (value or "") if c.isdigit())


def test_pk_local_keeps_all_eleven_digits():
    fields=parse_phone({},"Ali 0321-5551234 Engineer")
    assert _digits(fields["phone"])=="03215551234"


def test_plus_ninety_two_keeps_last_group():
    fields=parse_phone({},"Phone: +92 333 123 4567")
    digits=_digits(fields["phone"])
    assert digits.endswith("1234567")
    assert len(digits)>=12


def test_pdf_wrapped_last_three_digits_are_kept():
    fields=parse_phone({},"Mobile: 0300-1234\n567")
    assert _digits(fields["phone"])=="03001234567"


def test_does_not_swallow_a_year_after_the_number():
    fields=parse_phone({},"0321-5551234  2018 — 2024 Engineer")
    assert _digits(fields["phone"])=="03215551234"


def test_four_three_four_grouping_is_complete():
    fields=parse_phone({},"Cell: 0301 234 5678")
    assert _digits(fields["phone"])=="03012345678"


def test_form_phone_without_resume_is_kept_when_complete():
    fields=parse_phone({"phone":"0321-5551234"},"")
    assert _digits(fields["phone"])=="03215551234"


def test_prefer_full_phone_picks_the_longer_complete_number():
    assert prefer_full_phone("0300-1234","0300-1234567")=="0300-1234567"
    assert prefer_full_phone(None,"0321-5551234")=="0321-5551234"
    assert prefer_full_phone("0300-123",None) is None