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

from jose import JWTError, jwt
from passlib.context import CryptContext

from app.config import get_settings

settings = get_settings()

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


def hash_password(plain: str) -> str:
    return pwd_context.hash(plain)


def verify_password(plain: str, hashed: str) -> bool:
    return pwd_context.verify(plain, hashed)


def create_access_token(data: dict[str, Any]) -> str:
    payload = data.copy()
    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.access_token_expire_minutes)
    payload.update({"exp": expire, "type": "access"})
    return jwt.encode(payload, settings.secret_key, algorithm=settings.algorithm)


def create_admin_token(data: dict[str, Any]) -> str:
    payload = data.copy()
    expire = datetime.now(timezone.utc) + timedelta(hours=8)
    payload.update({"exp": expire, "type": "access", "role": "admin"})
    return jwt.encode(payload, settings.secret_key, algorithm=settings.algorithm)


def create_refresh_token(data: dict[str, Any]) -> str:
    payload = data.copy()
    expire = datetime.now(timezone.utc) + timedelta(days=settings.refresh_token_expire_days)
    payload.update({"exp": expire, "type": "refresh"})
    return jwt.encode(payload, settings.secret_key, algorithm=settings.algorithm)


def decode_token(token: str) -> dict[str, Any]:
    try:
        return jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
    except JWTError:
        raise ValueError("Invalid or expired token")