use alloc::format;
use alloc::string::String;
use core::fmt::Debug;

/// An enum for all errors that may occur
#[derive(Clone, PartialEq, Debug)]
pub enum IFError {
    /// An error that was created in some dependency and then converted to `IFError`
    General(String),
    /// A tunnel satisfying some conditions has not been found
    TunnelNotFound,
    /// Could not establish a connection
    CouldNotConnect,
    /// Error during serialization
    SerializationError(String),
    /// Error in rsa
    CryptoError(String),
    /// Error in std::io
    IoError(String),
}


// impl<T: Debug + core_error::Error> From<T> for IFError {
//     /// Convert from other error
//     fn from(e: T) -> Self {
//         Self::General(format!("{:?}", e))
//     }
// }

#[cfg(feature = "std")]
impl From<std::io::Error> for IFError {
    fn from(e: std::io::Error) -> Self {
        Self::IoError(format!("{:?}", e))
    }
}

impl From<serde_cbor::Error> for IFError {
    fn from(e: serde_cbor::Error) -> Self {
        Self::SerializationError(format!("{:?}", e))
    }
}

impl From<rsa::errors::Error> for IFError {
    fn from(e: rsa::errors::Error) -> Self {
        Self::CryptoError(format!("{:?}", e))
    }
}

pub type IFResult<T> = Result<T, IFError>;