use std::collections::HashSet;

use contact_request_manager::AddContact;
use jid::BareJID;
use leptos::prelude::*;
use reactive_stores::Store;
use roster_list_item::RosterListItem;

use crate::{components::icon::IconComponent, icon::Icon, roster::{Roster, RosterStoreFields}};

mod contact_request_manager;
mod roster_list_item;

#[component]
pub fn RosterList() -> impl IntoView {
    let requests: ReadSignal<HashSet<BareJID>> = use_context().expect("no pending subscriptions in context");

    let roster: Store<Roster> = use_context().expect("no roster in context");
    let (open_add_contact, set_open_add_contact) = signal(false);

    // TODO: filter new messages signal
    view! {
        <div class="roster-list panel">
            <div class="header">
                <h2>Roster</h2>
                <div class="add-contact header-icon" class:open=open_add_contact>
                    <IconComponent icon=Icon::AddContact24 on:click=move |_| set_open_add_contact.update(|state| *state = !*state)/>
                    {move || {
                        if !requests.read().is_empty() {
                            view! {
                                <div class="badge"></div>
                            }.into_any()
                        } else {
                            view! {}.into_any()
                        }
                    }}
                </div>
            </div>
            {move || {
                if *open_add_contact.read() {
                    view! {
                        <div class="roster-add-contact">
                            <AddContact />
                        </div>
                    }.into_any()
                } else {
                    view! {}.into_any()
                }
            }}
            <div class="roster-list-roster">
                <For each=move || roster.contacts().get() key=|contact| contact.0.clone() let(contact)>
                    <RosterListItem contact=contact.1 />
                </For>
            </div>
        </div>
    }
}