use crate::ecs::{declare_entity, pair};
use crate::ecs::extension::Collector as ExtensionCollector;
use crate::ecs::pair::ChildOf;
use crate::ecs::phase::Phase;
use crate::windowing::PHASE as WINDOWING_PHASE;

pub mod keyboard;
pub mod mouse;

declare_entity! {
pub PHASE: (Phase, pair!(ChildOf, { *WINDOWING_PHASE }));
}

/// Input extension.
#[derive(Debug, Default)]
pub struct Extension {}

impl crate::ecs::extension::Extension for Extension
{
    fn collect(self, mut collector: ExtensionCollector<'_>)
    {
        collector.spawn_declared_entity(&PHASE);

        // TODO: Add input mapping
    }
}