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//! Error types to wrap internal errors and make EPP errors easier to read

use std::array::TryFromSliceError;
use std::error::Error as StdError;
use std::fmt::{self, Display};
use std::io;
use std::num::TryFromIntError;
use std::str::Utf8Error;
use std::string::FromUtf8Error;

use crate::response::ResponseStatus;

/// Error enum holding the possible error types
#[derive(Debug)]
pub enum Error {
    Command(Box<ResponseStatus>),
    Io(std::io::Error),
    Timeout,
    Xml(Box<dyn StdError + Send + Sync>),
    Other(Box<dyn StdError + Send + Sync>),
}

impl StdError for Error {}

impl Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::Command(e) => {
                write!(f, "command error: {}", e.result.message)
            }
            Self::Io(e) => write!(f, "I/O error: {e}"),
            Self::Timeout => write!(f, "timeout"),
            Self::Xml(e) => write!(f, "(de)serialization error: {e}"),
            Self::Other(e) => write!(f, "error: {e}"),
        }
    }
}

impl From<Box<dyn StdError + Send + Sync>> for Error {
    fn from(e: Box<dyn StdError + Send + Sync>) -> Self {
        Self::Other(e)
    }
}

impl From<io::Error> for Error {
    fn from(e: io::Error) -> Self {
        Self::Io(e)
    }
}

impl From<io::ErrorKind> for Error {
    fn from(e: io::ErrorKind) -> Self {
        Self::Io(io::Error::from(e))
    }
}

impl From<TryFromIntError> for Error {
    fn from(e: TryFromIntError) -> Self {
        Self::Other(e.into())
    }
}

impl From<FromUtf8Error> for Error {
    fn from(e: FromUtf8Error) -> Self {
        Self::Other(e.into())
    }
}

impl From<Utf8Error> for Error {
    fn from(e: Utf8Error) -> Self {
        Self::Other(e.into())
    }
}

impl From<TryFromSliceError> for Error {
    fn from(e: TryFromSliceError) -> Self {
        Self::Other(e.into())
    }
}