use std::future;

use faker_rand::lorem::Paragraphs;

use crate::{
    app::App,
    channel::Channel,
    clock::RequestedAt,
    event::Event,
    login::Login,
    message::{self, Message},
};

pub async fn send(app: &App, channel: &Channel, login: &Login, sent_at: &RequestedAt) -> Message {
    let body = propose();

    app.messages()
        .send(&channel.id, login, sent_at, &body)
        .await
        .expect("should succeed if the channel exists")
}

pub fn propose() -> String {
    rand::random::<Paragraphs>().to_string()
}

pub fn events(event: Event) -> future::Ready<Option<message::Event>> {
    future::ready(match event {
        Event::Message(event) => Some(event),
        _ => None,
    })
}