use async_channel::{Receiver, Sender};
use chrono::NaiveDate;
use rusqlite::Connection;
use std::rc::Rc;

use crate::{
    app::{calendar, form, utils, App},
    model::event::Event,
};

pub fn send(tx: Sender<Msg>, msg: Msg) {
    utils::spawn(async move {
        let _ = tx.send(msg).await;
    })
}

pub enum Msg {
    ShowAddForm { date: NaiveDate },
    AddEvent { event: Event },
}

pub async fn event_handler(conn: Rc<Connection>, rx: Receiver<Msg>, tx: Sender<Msg>, mut app: App) {
    while let Ok(msg) = rx.recv().await {
        match msg {
            Msg::ShowAddForm { date } => {
                form::show(Rc::clone(&conn), tx.clone(), Rc::clone(&app.window), date).await;
            }
            Msg::AddEvent { event } => {
                let date = event.date.clone();
                app.events.push(event);
                calendar::refresh_date(&app, date);
            }
        }
    }
}