use bevy::{prelude::*, utils::HashSet};
use crossterm::event::{Event, KeyCode};
use std::sync::{Arc, Mutex};

// /// Resource containing currently pressed and released keys
// #[derive(Resource, Default)]
// pub struct TerminalInput {
//     pressed_keys: HashSet<KeyCode>,
//     just_pressed_keys: HashSet<KeyCode>,
//     just_released_keys: HashSet<KeyCode>,
// }
//
// impl TerminalInput {
//     /// Gets whether the given key is pressed
//     pub fn is_pressed(&self, code: KeyCode) -> bool {
//         self.pressed_keys.contains(&code)
//     }
//
//     /// Gets whether the given key was just pressed
//     pub fn just_pressed(&self, code: KeyCode) -> bool {
//         self.just_pressed_keys.contains(&code)
//     }
//
//     /// Gets whether the given key was just released
//     pub fn just_released(&self, code: KeyCode) -> bool {
//         self.just_released_keys.contains(&code)
//     }
//
//     /// Sets given key to pressed
//     pub(super) fn press(&mut self, code: KeyCode) {
//         if !self.pressed_keys.contains(&code) {
//             self.pressed_keys.insert(code);
//             self.just_pressed_keys.insert(code);
//         }
//     }
//
//     /// Sets given key to released and removes pressed state
//     pub(super) fn release(&mut self, code: KeyCode) {
//         self.pressed_keys.remove(&code);
//         self.just_released_keys.insert(code);
//     }
//
//     /// Clears all just released keys
//     pub(super) fn clear_just_released(&mut self) {
//         self.just_released_keys.clear();
//     }
//
//     /// Clears all just pressed keys
//     pub(super) fn clear_just_pressed(&mut self) {
//         self.just_pressed_keys.clear();
//     }
// }

/// Event queue for crossterm input event thread
#[derive(Resource, Default)]
pub(crate) struct EventQueue(pub(super) Arc<Mutex<Vec<Event>>>);