use base64::engine::{DecodePaddingMode, GeneralPurpose as Base64Engine, GeneralPurposeConfig};
use base64::{alphabet, Engine};

pub use base64::DecodeError;

/// Don't add padding when encoding, and require no padding when decoding.
pub const ENGINE: Base64Engine = Base64Engine::new(
    &alphabet::STANDARD,
    GeneralPurposeConfig::new().with_decode_padding_mode(DecodePaddingMode::Indifferent),
);

pub fn encode<T>(data: T) -> String
where
    T: AsRef<[u8]>,
{
    ENGINE.encode(data)
}

pub fn decode<T>(data: T) -> Result<Vec<u8>, DecodeError>
where
    T: AsRef<[u8]>,
{
    ENGINE.decode(data)
}