use std::f64;
use crate::shapes::*;

pub fn draw_circle(circle: Circle, context: &web_sys::CanvasRenderingContext2d) {
    context.move_to(circle.center.x+circle.radius, circle.center.y);
    context
        .arc(circle.center.x, circle.center.y, circle.radius, 0.0, f64::consts::PI * 2.0)
        .unwrap();
}

pub fn draw_line(line: Line, context: &web_sys::CanvasRenderingContext2d) {
    context.move_to(line.p1.x, line.p1.y);
    context
        .line_to(line.p2.x, line.p2.y);
}

pub fn draw_shape(shape: Shape, context: &web_sys::CanvasRenderingContext2d) {
    match shape {
        Shape::Circle(circle) => draw_circle(circle, context),
        Shape::Line(line) => draw_line(line, context),
        Shape::Point(_) => (),
    }
}