import re
from datetime import datetime, timedelta, timezone
from typing import Any

from jose import jwt
from passlib.context import CryptContext

from app.core.config import settings

pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")


def normalize_identifier(identifier_type: str, identifier: str) -> str:
    value = identifier.strip()
    if identifier_type == "email":
        return value.lower()
    if identifier_type == "username":
        return value
    if identifier_type == "mobile":
        return re.sub(r"[\s\-().]", "", value)
    return value


def hash_auth_key(auth_key_material: str) -> str:
    return pwd_context.hash(auth_key_material)


def verify_auth_key(auth_key_material: str, hashed_auth_key: str) -> bool:
    return pwd_context.verify(auth_key_material, hashed_auth_key)


def create_access_token(subject: str, extra_claims: dict[str, Any] | None = None) -> str:
    expires_at = datetime.now(timezone.utc) + timedelta(minutes=settings.access_token_expire_minutes)
    payload: dict[str, Any] = {"sub": subject, "exp": expires_at, "iat": datetime.now(timezone.utc)}
    if extra_claims:
        payload.update(extra_claims)
    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)