from typing import Optional, List
from models import db, User, UserRole
from models import AuditLog
import logging

logger = logging.getLogger(__name__)

class UserAdminService:
    @staticmethod
    def get_users():
        return User.query.order_by(User.created_at.desc()).all()

    @staticmethod
    def update_user(target_user, email, name, role, admin_user):
        target_user.email = email if email else target_user.email
        target_user.name = name if name else target_user.name
        if role in [r.value for r in UserRole]:
            target_user.role = UserRole(role)

        db.session.commit()

        AuditLog.log_action(
            action='update',
            resource_type='user',
            user=admin_user,
            resource_id=target_user.id,
            details={'email': target_user.email, 'role': target_user.role.value}
        )

    @staticmethod
    def delete_user(target_user, admin_user):
        db.session.delete(target_user)
        db.session.commit()

        AuditLog.log_action(
            action='delete',
            resource_type='user',
            user=admin_user,
            resource_id=target_user.id,
            details={'email': target_user.email}
        )