import re
from pydantic import BaseModel, field_validator
from src.application.domain.exceptions import ApplicationException


class SetPhoneRequest(BaseModel):
    phone: str

    @field_validator('phone')
    @classmethod
    def validate_russian_phone(cls, v: str) -> str:
        cleaned = re.sub(r'[\s\-\(\)]', '', v)
        pattern = r'^(\+7|8)\d{10}$'
        if not re.match(pattern, cleaned):
            raise ApplicationException(message='Invalid Russian phone number', status_code=429)
        normalized = '+7' + cleaned[-10:]
        return normalized