copper

use lyon::tessellation::basic_shapes::*;
use lyon::tessellation::StrokeOptions;
use lyon::tessellation::FillOptions;
use lyon::tessellation::geometry_builder::{VertexBuffers, BuffersBuilder};
use lyon::math::Point;


use geometry;
use drawing::drawables;
use drawing;


pub fn load_circle(
    component_id: u32,
    color: drawing::Color,
    center: &geometry::Point2D,
    radius: f32,
    fill: bool,
) -> drawables::ShapeDrawable {
    let mut mesh = VertexBuffers::new();

    let w = StrokeOptions::default().with_line_width(6.5);

    if fill {
        let _ = fill_circle(
            Point::new(center.x, center.y),
            radius,
            &FillOptions::default(),
            &mut BuffersBuilder::new(&mut mesh, drawing::VertexCtor)
        );
    } else {
        let _ = stroke_circle(
            Point::new(center.x, center.y),
            radius,
            &w,
            &mut BuffersBuilder::new(&mut mesh, drawing::VertexCtor)
        );
    }


    let buffers = drawing::Buffers {
        vbo: mesh.vertices.iter().map(|v| drawing::Vertex {
            position: v.position.clone(),
            color: color.color,
            id: component_id,
        }).collect(),
        ibo: mesh.indices.iter().map(|i: &u16| *i as u32).collect(),
        abo: vec![]
    };
    
    drawables::ShapeDrawable::new(buffers, color)
}