use bevy::{pbr::wireframe::{Wireframe, WireframeColor}, prelude::*};

use crate::components::{ColliderDebug, Velocity, AABB};

pub(crate) fn update_movement(mut moving_objects: Query<(&Velocity, &mut Transform)>, time: Res<Time>)
{
	for (velocity, mut transform) in moving_objects.iter_mut()
	{
		transform.translation += velocity.value * time.delta_seconds();
	}
}

pub(crate) fn update_colliders()
{
	todo!()
}

pub(crate) fn debug_draw_aabbs(
	mut commands: Commands, 
	aabbs: Query<(Entity, &AABB), Without<ColliderDebug>>, 
	mut meshes: ResMut<Assets<Mesh>>, 
	mut materials: ResMut<Assets<StandardMaterial>>
){


	// TODO: Spawn one of these for each collider in the scene,
	//		 need to set the scale, rotation and translation to match the AABB
	for (entity, _aabb) in aabbs.iter()
	{
		let cube_mesh_handle: Handle<Mesh> = meshes.add(Cuboid::default());
		commands.entity(entity).insert((PbrBundle 
			{
				mesh: cube_mesh_handle,
				material: materials.add(StandardMaterial 
				{
					base_color: Color::Rgba { red: 0.0, green: 1.0, blue: 0.0, alpha: 0.25 },
					alpha_mode: AlphaMode::Blend,
					..default()
				}),

				transform: Transform::from_xyz(0.0, 7.25, -1.0)
				//.with_rotation(Quat::from_rotation_y(45.0))
				.with_rotation(Quat::from_rotation_x(45.0)),
				..default()
			},

			Wireframe, 
			WireframeColor { color: Color::GREEN },
		));
	}


	// TEST CUBE
	// Spawns a cube with a colored wireframe and partially transparent body
	// Should be able to update the material on the fly to change the colors
	// to red when the AABB is intersecting another AABB
	// commands.spawn((PbrBundle {
	// 	mesh: cube_mesh_handle,
	// 	material: materials.add(StandardMaterial {
	// 		base_color: Color::Rgba { red: 0.0, green: 1.0, blue: 0.0, alpha: 0.25 },
	// 		alpha_mode: AlphaMode::Blend,
	// 		..default()
	// 	}),
	// 	transform: Transform::from_xyz(0.0, 7.25, -1.0)
	// 		//.with_rotation(Quat::from_rotation_y(45.0))
	// 		.with_rotation(Quat::from_rotation_x(45.0)),
	// 	..default()
	// 	},
	// 	Wireframe, WireframeColor { color: Color::GREEN },
	// ));
}

pub(crate) fn debug_update_colliders(colliders: Query<&ColliderDebug>)
{
	
}