use bevy::prelude::*;
use bevy_egui::{EguiPlugin, EguiPrimaryContextPass};
use crate::particles::{LifetimeCurve, ParticleEffect, RandF32, RandUsize, RandVec2};

pub fn particle_editor_plugin(app: &mut App) {
    app.add_plugins(DefaultPlugins);
    app.add_plugins(EguiPlugin::default());
    app.add_systems(EguiPrimaryContextPass, editor_ui);
    app.add_systems(Startup, setup_editor_effect);
}

fn setup_editor_effect(mut commands: Commands) {
    commands.spawn((
        ParticleEffect {
            lifetime_seconds: RandF32 {
                value: 2.0,
                randomness: 0.1,
            },
            batch_spawn_delay_seconds: RandF32 { value: 0.1, randomness: 0.05 },
            particles_in_batch: RandUsize {
                value: 1,
                randomness: 1
            },
            initial_linear_velocity: RandVec2 {
                x: RandF32 { value: 0.0, randomness: 0.5 },
                y: RandF32 { value: 10.0, randomness: 1.0 }
            },
            initial_angular_velocity: RandF32 { value: 1.0, randomness: 0.5 },
            scale: LifetimeCurve::new(&[
                (0.0f32, 5.0),
                (2.0, 0.0)
            ]),
            color: LifetimeCurve::new(&[
                (0.0f32, Srgba::new(1.0, 0.0, 0.0, 1.0).into()),
                (0.5, Srgba::new(0.0, 1.0, 0.0, 1.0).into()),
                (1.0, Srgba::new(0.0, 0.0, 1.0, 1.0).into()),
                (1.5, Srgba::new(1.0, 0.0, 1.0, 1.0).into()),
                (2.0, Srgba::new(1.0, 1.0, 1.0, 1.0).into())
            ]),
        }
    ));
}

fn editor_ui() {}