use async_session::base64;
use thiserror::Error;

#[derive(Debug, Error)]
pub enum AuthClientError {
    #[error("missing field: {0}")]
    MissingField(&'static str),
    #[error("invalid auth url: {0}")]
    InvalidAuthUrl(#[from] oauth2::url::ParseError),
    #[error("invalid token url: {0}")]
    InvalidTokenUrl(#[source] oauth2::url::ParseError),
    #[error("invalid redirect url: {0}")]
    InvalidRedirectUrl(#[source] oauth2::url::ParseError),
}

#[derive(Debug, Error)]
pub enum AuthError {
    #[error("missing field: {0}")]
    MissingField(&'static str),
    #[error("invalid auth url: {0}")]
    InvalidAuthUrl(#[from] oauth2::url::ParseError),
    #[error("invalid token url: {0}")]
    InvalidTokenUrl(#[source] oauth2::url::ParseError),
    #[error("invalid redirect url: {0}")]
    InvalidRedirectUrl(#[source] oauth2::url::ParseError),
    #[error("cache")]
    Cache(#[from] redis::RedisError),
    #[error("missing session")]
    MissingSession,
    #[error("invalid session")]
    InvalidSession,
    #[error("invalid session")]
    CorruptedCookie(#[from] base64::DecodeError),
    #[error("CSRF token mismatch")]
    TokenMismatch,
    #[error("CSRF token missing")]
    NoCSRFToken,
}