use std::ops::{Deref, DerefMut};

use filamento::{chat::Message, user::User};
use leptos_fetch::QueryClient;
use reactive_stores::ArcStore;
use uuid::Uuid;
use leptos::prelude::*;

use crate::{client::Client, user::MacawUser};

async fn get_message(id: Uuid) -> ArcStore<Message> {
    let client: Client = use_context().expect("no client in context");
    ArcStore::new(client.get_message(id).await.unwrap())
}

#[derive(Clone)]
pub struct MacawMessage {
    pub message: ArcStore<Message>,
    pub user: MacawUser,
}

impl MacawMessage {
    pub fn got_message_and_user(message: Message, user: User) -> Self {
        let query_client: QueryClient = expect_context();

        let id = message.id;
        let message_store = query_client.subscribe_value_local(get_message, move || id);
        if let Some(message_store) = message_store.get() {
            message_store.set(message);
            let user = MacawUser::got_user(user);
            Self { message: message_store, user }
        } else {
            let message_store = ArcStore::new(message);
            query_client.set_query_local(get_message, id, message_store.clone());
            let user = MacawUser::got_user(user);
            Self {
                message: message_store,
                user,
            }
        }
    }
}

impl Deref for MacawMessage {
    type Target = ArcStore<Message>;

    fn deref(&self) -> &Self::Target {
        &self.message
    }
}

impl DerefMut for MacawMessage {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.message
    }
}