import pytest
from pydantic import ValidationError

from porchlight.validation import ProfileUpdate


class TestProfileUpdateEmail:
    def test_valid_email(self) -> None:
        p = ProfileUpdate(email="user@example.com")
        assert p.email == "user@example.com"

    def test_empty_email_becomes_none(self) -> None:
        p = ProfileUpdate(email="")
        assert p.email is None

    def test_invalid_email_no_at(self) -> None:
        with pytest.raises(ValidationError, match="email"):
            ProfileUpdate(email="not-an-email")

    def test_invalid_email_no_domain(self) -> None:
        with pytest.raises(ValidationError, match="email"):
            ProfileUpdate(email="user@")


class TestProfileUpdatePhone:
    def test_valid_e164(self) -> None:
        p = ProfileUpdate(phone_number="+46701234567")
        assert p.phone_number == "+46701234567"

    def test_valid_e164_with_spaces_normalized(self) -> None:
        p = ProfileUpdate(phone_number="+46 70 123 45 67")
        assert p.phone_number == "+46701234567"

    def test_empty_phone_becomes_none(self) -> None:
        p = ProfileUpdate(phone_number="")
        assert p.phone_number is None

    def test_invalid_phone(self) -> None:
        with pytest.raises(ValidationError, match="phone"):
            ProfileUpdate(phone_number="not-a-phone")

    def test_invalid_phone_no_plus(self) -> None:
        with pytest.raises(ValidationError, match="phone"):
            ProfileUpdate(phone_number="46701234567")


class TestProfileUpdatePicture:
    def test_valid_https_url(self) -> None:
        p = ProfileUpdate(picture="https://example.com/pic.jpg")
        assert p.picture == "https://example.com/pic.jpg"

    def test_valid_http_url(self) -> None:
        p = ProfileUpdate(picture="http://example.com/pic.jpg")
        assert p.picture == "http://example.com/pic.jpg"

    def test_empty_picture_becomes_none(self) -> None:
        p = ProfileUpdate(picture="")
        assert p.picture is None

    def test_invalid_picture_not_url(self) -> None:
        with pytest.raises(ValidationError, match="picture"):
            ProfileUpdate(picture="not-a-url")

    def test_invalid_picture_ftp_scheme(self) -> None:
        with pytest.raises(ValidationError, match="picture"):
            ProfileUpdate(picture="ftp://example.com/pic.jpg")


class TestProfileUpdateFieldLengths:
    def test_given_name_too_long(self) -> None:
        with pytest.raises(ValidationError, match="given_name"):
            ProfileUpdate(given_name="x" * 256)

    def test_phone_number_max_length(self) -> None:
        """E.164 max is 15 digits + plus sign = 16 chars."""
        p = ProfileUpdate(phone_number="+431234567890123")
        assert p.phone_number == "+431234567890123"

    def test_locale_too_long(self) -> None:
        with pytest.raises(ValidationError, match="locale"):
            ProfileUpdate(locale="x" * 21)


class TestProfileUpdateDefaults:
    def test_all_defaults(self) -> None:
        p = ProfileUpdate()
        assert p.given_name == ""
        assert p.family_name == ""
        assert p.preferred_username == ""
        assert p.email is None
        assert p.phone_number is None
        assert p.picture is None
        assert p.locale == ""