use crate::canvas::canvas_frame::Drawable;
use crate::util::vertex::{VertexType, ColorVertex3D};

///
#[derive(Debug, Clone)]
pub struct Rect {

    pub verts: VertexType,

    position: (f32, f32),
    size: (f32, f32),
}

/// Container class which implements drawable.
impl Rect {

    ///
    pub fn new(position: (f32, f32),
               size: (f32, f32),
               depth: u32) -> Rect {

        let normalized_depth = (depth as f32 / 255.0);

        let verts = vec![
            ColorVertex3D{
                v_position: [position.0, position.1, normalized_depth],                   // top left
                color: [0.0, 1.0, 1.0, 0.5] },
            ColorVertex3D{
                v_position: [position.0, position.1 + size.1, normalized_depth],          // bottom left
                color: [1.0, 1.0, 1.0, 1.0] },
            ColorVertex3D{
                v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
                color: [1.0, 1.0, 1.0, 1.0] },
            ColorVertex3D{
                v_position: [position.0, position.1, normalized_depth],                   // top left
                color: [1.0, 1.0, 1.0, 1.0] },
            ColorVertex3D{
                v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
                color: [1.0, 1.0, 1.0, 1.0] },
            ColorVertex3D{
                v_position: [position.0 + size.0, position.1, normalized_depth],          // top right
                color: [1.0, 1.0, 1.0, 1.0] },
        ];

        Rect {
            verts: VertexType::ColorType(verts),
            position: position,
            size: size,
        }
    }
}
impl Drawable for Rect {
    fn get(&self) -> Vec<VertexType> {
        vec![self.verts.clone()]
    }

}
