use std::sync::Arc;

use uuid::Uuid;

#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub enum ResourceState {
    Loading,
    Ready,
}

#[derive(Clone)]
pub struct Resource<T> {
    pub path: String,
    pub data: Option<Arc<T>>,
    pub uuid: Uuid,
    pub state: ResourceState,
}

/// A helper type to make it easier to use resources
pub type ResHandle<T> = Arc<Resource<T>>;

impl<T> Resource<T> {
    /// Create the resource with data, its assumed the state is `Ready`
    pub fn with_data(path: &str, data: T) -> Self {
        Self {
            path: path.to_string(),
            data: Some(Arc::new(data)),
            uuid: Uuid::new_v4(),
            state: ResourceState::Ready,
        }
    }
}