use axum::{routing::get, Router};
use cairo::{Context, Format, ImageSurface};

use crate::{polygon, SharedState};

async fn handler() -> impl axum::response::IntoResponse {
    let surface = ImageSurface::create(Format::ARgb32, 100, 100).unwrap();
    let context = Context::new(&surface).unwrap();

    context.set_source_rgba(0.0, 0.0, 0.0, 0.0);
    context.fill().unwrap();

    polygon::draw_polygon_of_polygons((50.0, 50.0), 65.0, 6, &context, false);

    let mut data: Vec<u8> = Vec::new();
    surface.write_to_png(&mut data).unwrap();

    (
        axum::response::AppendHeaders([(axum::http::header::CONTENT_TYPE, "image/png")]),
        data,
    )
}

pub fn routes() -> Router<SharedState> {
    Router::new().route("/", get(handler))
}