use std::fmt;

use crate::db::UserRef;

pub type BoxedError = Box<dyn std::error::Error + Send + Sync + 'static>;

#[derive(Debug)]
pub enum UserCreationError {
    UserAlreadyExists(UserRef),
    Permissions,
}

impl fmt::Display for UserCreationError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::UserAlreadyExists(user) => write!(f, "User already exists: {user}"),
            Self::Permissions => write!(f, "You do not have permissions to create this user"),
        }
    }
}

impl std::error::Error for UserCreationError {}