use crate::region::RegionParseError;

pub type Result<T> = std::result::Result<T, AlbatrossError>;

#[derive(Debug)]
pub enum AlbatrossError {
    FileError(std::io::Error),
    SSHError(ssh2::Error),
    ChunkParseError(crate::chunk_coordinate::ChunkCoordinateErr),
    RegionParseError(crate::region::RegionParseError),
    ChronoParseError(chrono::ParseError),
    NoSSHAuth,
    FTPError(ftp::FtpError),
}

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

impl std::fmt::Display for AlbatrossError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            AlbatrossError::FileError(e) => write!(f, "File I/O error: {}", e),
            AlbatrossError::SSHError(e) => write!(f, "SSH error: {}", e),
            AlbatrossError::ChunkParseError(e) => {
                write!(f, "Unable to parse chunk coordinate: {}", e)
            }
            AlbatrossError::RegionParseError(e) => write!(f, "Unable to parse region name: {}", e),
            AlbatrossError::ChronoParseError(e) => write!(f, "Unable to parse time: {}", e),
            AlbatrossError::NoSSHAuth => write!(f, "No SSH auth methods provided in the config"),
            AlbatrossError::FTPError(e) => write!(f, "FTP error: {}", e),
        }
    }
}

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

impl From<ssh2::Error> for AlbatrossError {
    fn from(e: ssh2::Error) -> Self {
        AlbatrossError::SSHError(e)
    }
}

impl From<crate::chunk_coordinate::ChunkCoordinateErr> for AlbatrossError {
    fn from(e: crate::chunk_coordinate::ChunkCoordinateErr) -> Self {
        AlbatrossError::ChunkParseError(e)
    }
}

impl From<crate::region::RegionParseError> for AlbatrossError {
    fn from(e: RegionParseError) -> Self {
        AlbatrossError::RegionParseError(e)
    }
}

impl From<chrono::ParseError> for AlbatrossError {
    fn from(e: chrono::ParseError) -> Self {
        AlbatrossError::ChronoParseError(e)
    }
}

impl From<ftp::FtpError> for AlbatrossError {
    fn from(e: ftp::FtpError) -> Self {
        AlbatrossError::FTPError(e)
    }
}