// നമസ്കാരം സുഹൃത്തുക്കളേ!
use std::{error::Error, rc::Rc};

use winit::{
    application::ApplicationHandler,
    event::{Modifiers, WindowEvent},
    event_loop::{ActiveEventLoop, ControlFlow, EventLoop, EventLoopProxy},
    keyboard::{Key, ModifiersState, NamedKey},
};

use crate::{
    json_ui::{Request, Response, Rpc},
    kakoune::Kakoune,
    render::Renderer,
};

mod json_ui;
mod kakoune;
mod render;

const WIDTH: u32 = 600;
const HEIGHT: u32 = 400;
    Exit,
    line_face: json_ui::Face,
    modifiers: Modifiers,
    kakoune: Kakoune,
    ui: Ui,
}

struct App {
    render_state: Option<Renderer>,
            kakoune: Kakoune::new(evp),
            ui: Default::default(),
                    let lines = (size.height / render.line_height()) - 1;
                    let cols = 512;
                    _ = self.kakoune.send_response(Response::Resize(lines, cols));
                }
            }
                    self.kakoune
                        .send_response(Response::Keys(vec![key]))
                        .unwrap();
            WindowEvent::ModifiersChanged(modifiers) => {
                self.modifiers = modifiers;
            }
            WindowEvent::KeyboardInput { event, .. } => {
                if !event.state.is_pressed() {
                    return;
                }
                if let Some(key) = make_kakoune_key(event.logical_key, self.modifiers.state()) {
        }
    }
            AppMessage::Exit => {
                event_loop.exit();
            }
                    }
                }
                _ => {}
            },
                    self.ui.line_face = default_face;
                    if let Some(render) = &self.render_state {
                        render.window.request_redraw();
                    self.ui.prompt_line = prompt_line.into();
                    self.ui.mode_line = mode_line.into();
                Request::DrawStatus(prompt_line, mode_line, default_face) => {
                }
                    }
                    self.ui.default_face = default_face;
                    if let Some(render) = &self.render_state {
                        render.window.request_redraw();
                    self.ui.lines = lines.into_iter().map(From::from).collect();
            AppMessage::Kakoune(kak) => match kak {
                Request::Draw(lines, default_face, _padding_face) => {
        match event {
    fn user_event(&mut self, event_loop: &ActiveEventLoop, event: AppMessage) {
}
    app.kakoune.join();
    event_loop.run_app(&mut app).unwrap();
    let mut app = App::new(event_loop.create_proxy()).unwrap();

    event_loop.set_control_flow(ControlFlow::Wait);
    let event_loop = EventLoop::<AppMessage>::with_user_event().build().unwrap();
}

fn main() {
            _ => {}
        }
    }
            }
                }
                if let Some(render) = self.render_state.as_mut() {
                    render
                        .pixels
                        .resize_buffer(size.width, size.height)
                        .unwrap();
                    render
                        .pixels
                        .resize_surface(size.width, size.height)
                        .unwrap();
                    render.size = size.into();
            WindowEvent::Resized(size) => {
                }
            }
            WindowEvent::CloseRequested => {
                event_loop.exit();
            }
                if let Some(render) = self.render_state.as_mut() {
                    render.render(&self.ui).unwrap();
        _window_id: winit::window::WindowId,
        event: winit::event::WindowEvent,
    ) {
        match event {
            WindowEvent::RedrawRequested => {
        event_loop: &ActiveEventLoop,
    }

    fn window_event(
        &mut self,
        self.render_state = Renderer::new(event_loop).ok();
    fn resumed(&mut self, event_loop: &ActiveEventLoop) {
impl ApplicationHandler<AppMessage> for App {
        _ => None,
    }
}

        Key::Character(c) if c == "+" => Some(add_modifiers("plus", state, false)),
        Key::Character(c) if c == "-" => Some(add_modifiers("minus", state, false)),
        Key::Character(c) if c == "<" => Some(add_modifiers("lt", state, false)),
        Key::Character(c) if c == ">" => Some(add_modifiers("gt", state, false)),
        Key::Character(c) => Some(add_modifiers(&c, state, false)),

        Key::Named(NamedKey::F1) => Some(add_modifiers("F1", state, true)),
        Key::Named(NamedKey::F2) => Some(add_modifiers("F2", state, true)),
        Key::Named(NamedKey::F3) => Some(add_modifiers("F3", state, true)),
        Key::Named(NamedKey::F4) => Some(add_modifiers("F4", state, true)),
        Key::Named(NamedKey::F5) => Some(add_modifiers("F5", state, true)),
        Key::Named(NamedKey::F6) => Some(add_modifiers("F6", state, true)),
        Key::Named(NamedKey::F7) => Some(add_modifiers("F7", state, true)),
        Key::Named(NamedKey::F8) => Some(add_modifiers("F8", state, true)),
        Key::Named(NamedKey::F9) => Some(add_modifiers("F9", state, true)),
        Key::Named(NamedKey::F10) => Some(add_modifiers("F10", state, true)),
        Key::Named(NamedKey::F11) => Some(add_modifiers("F11", state, true)),
        Key::Named(NamedKey::F12) => Some(add_modifiers("F12", state, true)),

        Key::Named(NamedKey::PageUp) => Some(add_modifiers("pageup", state, true)),
        Key::Named(NamedKey::PageDown) => Some(add_modifiers("pagedown", state, true)),
        Key::Named(NamedKey::Home) => Some(add_modifiers("home", state, true)),
        Key::Named(NamedKey::End) => Some(add_modifiers("end", state, true)),
        Key::Named(NamedKey::Insert) => Some(add_modifiers("ins", state, true)),

        Key::Named(NamedKey::ArrowUp) => Some(add_modifiers("up", state, true)),
        Key::Named(NamedKey::ArrowDown) => Some(add_modifiers("down", state, true)),
        Key::Named(NamedKey::ArrowLeft) => Some(add_modifiers("left", state, true)),
        Key::Named(NamedKey::ArrowRight) => Some(add_modifiers("right", state, true)),

        Key::Named(NamedKey::Space) => Some(add_modifiers("space", state, true)),
        Key::Named(NamedKey::Enter) => Some(add_modifiers("ret", state, true)),
        Key::Named(NamedKey::Tab) => Some(add_modifiers("tab", state, true)),
        Key::Named(NamedKey::Backspace) => Some(add_modifiers("backspace", state, true)),
        Key::Named(NamedKey::Delete) => Some(add_modifiers("del", state, true)),
        Key::Named(NamedKey::Escape) => Some(add_modifiers("esc", state, true)),

fn make_kakoune_key(key: Key, state: ModifiersState) -> Option<String> {
    match key {
}
    res.push('>');
    res
    res.push_str(key_name);
    }
        res.push_str("s-");
    }
    if state.alt_key() {
        res.push_str("a-")
    if use_shift && state.shift_key() {
    let mut res = String::new();
    res.push('<');
    if state.control_key() {
        res.push_str("c-");
    }
fn add_modifiers(key_name: &str, state: ModifiersState, use_shift: bool) -> String {
    }
}

        })
            modifiers: Modifiers::default(),
        Ok(Self {
            render_state: None,
    fn new(evp: EventLoopProxy<AppMessage>) -> Result<Self, Box<dyn Error>> {
impl App {
}

    default_face: json_ui::Face,

    lines: Vec<RcLine>,
    prompt_line: RcLine,
    mode_line: RcLine,
#[derive(Default)]
struct Ui {
}

    Kakoune(json_ui::Request),
#[derive(Debug)]
enum AppMessage {
type RcLine = Rc<[json_ui::Atom]>;