import * as compose_actions from "./compose_actions";
import * as input_pill from "./input_pill";
import * as people from "./people";
import * as user_pill from "./user_pill";
import * as util from "./util";

export let widget;

export function initialize_pill() {
    const container = $("#private_message_recipient").parent();

    const pill = input_pill.create({
        container,
        create_item_from_text: user_pill.create_item_from_email,
        get_text_from_item: user_pill.get_email_from_item,
    });

    return pill;
}

export function initialize() {
    widget = initialize_pill();

    widget.onPillCreate(() => {
        compose_actions.update_placeholder_text();
    });

    widget.onPillRemove(() => {
        compose_actions.update_placeholder_text();
    });
}

export function clear() {
    widget.clear();
}

export function set_from_typeahead(person) {
    // We expect person to be an object returned from people.js.
    user_pill.append_person({
        pill_widget: widget,
        person,
    });
}

export function set_from_emails(value) {
    // value is something like "alice@example.com,bob@example.com"
    clear();
    widget.appendValue(value);
}

export function get_user_ids() {
    return user_pill.get_user_ids(widget);
}

export function has_unconverted_data() {
    return user_pill.has_unconverted_data(widget);
}

export function get_user_ids_string() {
    const user_ids = get_user_ids();
    const sorted_user_ids = util.sorted_ids(user_ids);
    const user_ids_string = sorted_user_ids.join(",");
    return user_ids_string;
}

export function get_emails() {
    // return something like "alice@example.com,bob@example.com"
    const user_ids = get_user_ids();
    const emails = user_ids.map((id) => people.get_by_user_id(id).email).join(",");
    return emails;
}

export function filter_taken_users(persons) {
    return user_pill.filter_taken_users(persons, widget);
}