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//
// Wildland Project
//
// Copyright © 2022 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 wildland_corex::dfs::interface::events::{DfsCause, Event, FileSystemOperation};

use super::events_system::EventSystem;

#[derive(Clone)]
pub struct EventBuilder {
    system: Box<dyn EventSystem>,
    operation: Option<FileSystemOperation>,
    operation_path: Option<String>,
    backend_type: Option<String>,
}

impl EventBuilder {
    pub fn new(system: Box<dyn EventSystem>) -> Self {
        Self {
            system,
            operation: None,
            operation_path: None,
            backend_type: None,
        }
    }

    pub fn operation(self, operation: FileSystemOperation) -> Self {
        Self {
            operation: Some(operation),
            ..self
        }
    }

    pub fn operation_path(self, operation_path: impl Into<String>) -> Self {
        Self {
            operation_path: Some(operation_path.into()),
            ..self
        }
    }

    pub fn backend_type(self, backend_type: impl Into<String>) -> Self {
        Self {
            backend_type: Some(backend_type.into()),
            ..self
        }
    }

    pub fn send(mut self, cause: DfsCause) {
        self.system.send_event(Event {
            operation: self.operation,
            operation_path: self.operation_path,
            backend_type: self.backend_type,
            cause,
        })
    }
}