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//
// Wildland Project
//
// Copyright © 2023 Golem Foundation
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 3 as published by
// the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

use super::wl_permissions::WlPermissions;
use crate::dfs::unix_timestamp::UnixTimestamp;

#[derive(Debug, PartialEq, Eq, Clone)]
/// Represents metadata of a filesystem node
pub struct NodeStat {
    pub node_type: NodeType,

    /// size in bytes
    pub size: usize,

    /// Some nodes, like virtual ones, may have modification_time set to None
    pub modification_time: Option<UnixTimestamp>,
    /// Some nodes, like virtual ones, may have change_time set to None
    pub change_time: Option<UnixTimestamp>,

    pub creation_time: Option<UnixTimestamp>,

    pub permissions: WlPermissions,

    /// Unique identifier of a path. For instance, given a container
    /// with two synchronized storages containing file in `/some/path`,
    /// the file has the same ID in both storages. This implies that
    /// every path within a container has exactly one unique ID assigned.
    ///
    pub wildland_object_id: String,
}

/// Getter exposed through ffi
impl NodeStat {
    pub fn node_type(&self) -> NodeType {
        self.node_type
    }

    pub fn size(&self) -> usize {
        self.size
    }

    pub fn modification_time(&self) -> Option<UnixTimestamp> {
        self.modification_time
    }
    pub fn change_time(&self) -> Option<UnixTimestamp> {
        self.change_time
    }
    pub fn creation_time(&self) -> Option<UnixTimestamp> {
        self.creation_time
    }
    pub fn wildland_object_id(&self) -> String {
        self.wildland_object_id.clone()
    }
}

#[derive(Debug, PartialEq, Eq, Clone, Copy)]
#[repr(C)]
pub enum NodeType {
    File,
    Dir,
    Symlink,
    Other,
}