// Copyright (c) 2022 Marceline Cramer
// SPDX-License-Identifier: Apache-2.0

#![allow(dead_code)]

use super::*;

static mut PANEL_IMPLS: Vec<Box<dyn PanelImpl>> = Vec::new();

pub fn bind_panel(
    cb: impl Fn(Panel, Message, Message) -> Box<dyn PanelImpl>,
    panel: u32,
    protocol: u32,
    msg: u32,
) -> u32 {
    unsafe {
        let panel = Panel(panel);
        let protocol = Message(protocol);
        let msg = Message(msg);
        let panel_impl = cb(panel, protocol, msg);
        let id = PANEL_IMPLS.len() as u32;
        PANEL_IMPLS.push(panel_impl);
        id
    }
}

pub fn update(panel_data: u32, dt: f32) {
    let panel = unsafe { &mut PANEL_IMPLS[panel_data as usize] };
    panel.update(dt);
}

pub fn draw(panel_data: u32) {
    let panel = unsafe { &mut PANEL_IMPLS[panel_data as usize] };
    panel.draw();
}

pub fn on_resize(panel_data: u32, width: f32, height: f32) {
    let panel = unsafe { &mut PANEL_IMPLS[panel_data as usize] };
    let new_size = Vec2::new(width, height);
    panel.on_resize(new_size);
}

pub fn on_cursor_event(panel_data: u32, kind: u32, x: f32, y: f32) {
    let panel = unsafe { &mut PANEL_IMPLS[panel_data as usize] };
    let at = Vec2::new(x, y);
    let kind = CursorEventKind::from_u32(kind).unwrap();
    panel.on_cursor_event(kind, at);
}

pub fn on_message(panel_data: u32, msg: u32) {
    let panel = unsafe { &mut PANEL_IMPLS[panel_data as usize] };
    let msg = Message(msg);
    panel.on_message(msg)
}