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// Copyright 2016 MaidSafe.net limited.
//
// This SAFE Network Software is licensed to you under (1) the MaidSafe.net Commercial License,
// version 1.0 or later, or (2) The General Public License (GPL), version 3, depending on which
// licence you accepted on initial access to the Software (the "Licences").
//
// By contributing code to the SAFE Network Software, or to this project generally, you agree to be
// bound by the terms of the MaidSafe Contributor Agreement.  This, along with the Licenses can be
// found in the root directory of this project at LICENSE, COPYING and CONTRIBUTOR.
//
// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.
//
// Please review the Licences for the specific language governing permissions and limitations
// relating to use of the SAFE Network Software.

use DIR_TAG;
use client::{Client, MDataInfo};
use errors::CoreError;
use futures::Future;
use nfs::{NfsError, NfsFuture};
use routing::MutableData;
use std::collections::{BTreeMap, BTreeSet};
use utils::FutureExt;

/// create a new directory emulation
pub fn create_dir(client: &Client, is_public: bool) -> Box<NfsFuture<MDataInfo>> {
    match client.owner_key() {
        Ok(pub_key) => {
            let dir = if is_public {
                fry!(MDataInfo::random_public(DIR_TAG))
            } else {
                fry!(MDataInfo::random_private(DIR_TAG))
            };

            let mut owners = BTreeSet::new();
            owners.insert(pub_key);
            let dir_md = fry!(MutableData::new(dir.name,
                                               dir.type_tag,
                                               BTreeMap::new(),
                                               BTreeMap::new(),
                                               owners)
                                      .map_err(CoreError::from));
            client.put_mdata(dir_md)
                .and_then(|()| Ok(dir))
                .map_err(NfsError::from)
                .into_box()
        }
        Err(err) => err!(NfsError::from(err)).into_box(),
    }
}