/** @odoo-module **/
// Fusion Helpdesk — top systray icon with an unread-reply badge.
// Sequence 99 places it just left of the attendance check-in button.

import { Component, useState, onWillStart, onWillUnmount } from "@odoo/owl";
import { registry } from "@web/core/registry";
import { rpc } from "@web/core/network/rpc";
import { useService } from "@web/core/utils/hooks";
import { FusionHelpdeskDialog } from "./fusion_helpdesk_dialog";

const POLL_MS = 120000; // refresh the unread badge every 2 minutes

class FusionHelpdeskSystray extends Component {
    static template = "fusion_helpdesk.SystrayItem";
    static props = {};

    setup() {
        this.dialog = useService("dialog");
        this.state = useState({ unread: 0 });

        onWillStart(async () => {
            await this._refreshUnread();
        });

        // Poll so a reply that lands while the user is working still
        // surfaces without a page reload. Errors are swallowed server-side
        // (the endpoint always returns a count) so the badge never breaks.
        this._timer = setInterval(() => this._refreshUnread(), POLL_MS);
        onWillUnmount(() => clearInterval(this._timer));
    }

    async _refreshUnread() {
        try {
            const res = await rpc("/fusion_helpdesk/unread_count", {});
            this.state.unread = (res && res.count) || 0;
        } catch {
            // Network/config hiccup — leave the badge as-is, don't throw.
        }
    }

    onClick() {
        // If there are unread replies, drop straight into the inbox;
        // otherwise open the New report form (the primary action).
        const initialTab = this.state.unread > 0 ? "list" : "new";
        this.dialog.add(
            FusionHelpdeskDialog,
            { initialTab },
            { onClose: () => this._refreshUnread() }
        );
    }
}

export const fusionHelpdeskSystrayItem = {
    Component: FusionHelpdeskSystray,
};

registry
    .category("systray")
    .add("fusion_helpdesk.report_button", fusionHelpdeskSystrayItem, {
        sequence: 99,
    });