use bevy::prelude::*;

pub struct AudioSystemPlugin;

impl Plugin for AudioSystemPlugin {
	fn build(&self, app: &mut App) {
		app.init_resource::<AudioAssets>()
			.add_startup_system(load_audio);
	}
}

#[derive(Default)]
pub struct AudioAssets {
	pub notes: [Handle<AudioSource>; 3],
	pub reverb_notes: [Handle<AudioSource>; 3],
	pub warp_notes: [Handle<AudioSource>; 3],
}

pub fn play_audio(
	audio_set: &[Handle<AudioSource>; 3],
	audio: &Res<Audio>,
	color: Vec4,
	volume: f32,
) {
	for i in 0..3 {
		audio.play_with_settings(
			audio_set[i].clone(),
			PlaybackSettings::ONCE.with_volume(color[i] * volume),
		);
	}
}

fn load_audio(mut audio_assets: ResMut<AudioAssets>, asset_server: Res<AssetServer>) {
	audio_assets.notes[0] = asset_server.load::<AudioSource, &str>("sound/notes/a5.ogg");
	audio_assets.notes[1] = asset_server.load::<AudioSource, &str>("sound/notes/cs6.ogg");
	audio_assets.notes[2] = asset_server.load::<AudioSource, &str>("sound/notes/e6.ogg");

	audio_assets.reverb_notes[0] =
		asset_server.load::<AudioSource, &str>("sound/reverb_notes/a5.ogg");
	audio_assets.reverb_notes[1] =
		asset_server.load::<AudioSource, &str>("sound/reverb_notes/cs6.ogg");
	audio_assets.reverb_notes[2] =
		asset_server.load::<AudioSource, &str>("sound/reverb_notes/e6.ogg");

	audio_assets.warp_notes[0] = asset_server.load::<AudioSource, &str>("sound/warp_notes/a5.ogg");
	audio_assets.warp_notes[1] = asset_server.load::<AudioSource, &str>("sound/warp_notes/cs6.ogg");
	audio_assets.warp_notes[2] = asset_server.load::<AudioSource, &str>("sound/warp_notes/e6.ogg");
}