from django.core.exceptions import ValidationError
from django.test import TestCase

from core.tests_portal_access import make_employee
from core.utils.validators import normalize_ukrainian_phone, validate_ukrainian_phone


class UkrainianPhoneNormalizeTests(TestCase):
    def test_variants_become_canonical(self):
        expected = '+380501112233'
        for raw in (
            '+380501112233',
            '0501112233',
            '050 111 22 33',
            '+38 (050) 111-22-33',
            '380501112233',
            '80501112233',
            '501112233',
        ):
            self.assertEqual(normalize_ukrainian_phone(raw), expected, raw)

    def test_empty_stays_empty(self):
        self.assertEqual(normalize_ukrainian_phone(''), '')
        self.assertEqual(normalize_ukrainian_phone(None), '')
        validate_ukrainian_phone('')

    def test_garbage_rejected(self):
        with self.assertRaises(ValidationError):
            validate_ukrainian_phone('немає')
        with self.assertRaises(ValidationError):
            validate_ukrainian_phone('12345')

    def test_employee_save_normalizes(self):
        employee = make_employee(phone='050 111 22 33')
        employee.refresh_from_db()
        self.assertEqual(employee.phone, '+380501112233')

    def test_full_clean_accepts_pretty(self):
        employee = make_employee(user_location_type='office')
        employee.set_unusable_password()
        employee.personal_phone = '+38 (067) 123-45-67'
        employee.clean_fields()
        employee.save(update_fields=['personal_phone'])
        employee.refresh_from_db()
        self.assertEqual(employee.personal_phone, '+380671234567')

    def test_full_clean_rejects_short(self):
        employee = make_employee(user_location_type='office')
        employee.set_unusable_password()
        employee.phone = '12345'
        with self.assertRaises(ValidationError):
            employee.clean_fields(exclude=['password'])