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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

use openssh::Error as SshError;
use openssh_sftp_client::error::SftpErrorKind;
use openssh_sftp_client::Error as SftpClientError;

use crate::Error;
use crate::ErrorKind;

pub fn parse_sftp_error(e: SftpClientError) -> Error {
    let kind = match &e {
        SftpClientError::UnsupportedSftpProtocol { version: _ } => ErrorKind::Unsupported,
        SftpClientError::SftpError(kind, _msg) => match kind {
            SftpErrorKind::NoSuchFile => ErrorKind::NotFound,
            SftpErrorKind::PermDenied => ErrorKind::PermissionDenied,
            SftpErrorKind::OpUnsupported => ErrorKind::Unsupported,
            _ => ErrorKind::Unexpected,
        },
        _ => ErrorKind::Unexpected,
    };

    let mut err = Error::new(kind, "sftp error").set_source(e);

    // Mark error as temporary if it's unexpected.
    if kind == ErrorKind::Unexpected {
        err = err.set_temporary();
    }

    err
}

pub fn parse_ssh_error(e: SshError) -> Error {
    Error::new(ErrorKind::Unexpected, "ssh error").set_source(e)
}

pub(super) fn is_not_found(e: &SftpClientError) -> bool {
    matches!(e, SftpClientError::SftpError(SftpErrorKind::NoSuchFile, _))
}

pub(super) fn is_sftp_protocol_error(e: &SftpClientError) -> bool {
    matches!(e, SftpClientError::SftpError(_, _))
}