import { Camera, Plus } from "lucide-react";
import { NAV_ITEMS } from "./navItems";
import type { AppView } from "../types";

type TopBarProps = {
  activeView: AppView;
  busyAction: string | null;
  onAdd: () => void;
  onScan: () => void;
  className?: string;
};

export function TopBar({ activeView, busyAction, onAdd, onScan, className = "" }: TopBarProps) {
  const activeItem = NAV_ITEMS.find((item) => item.id === activeView) ?? NAV_ITEMS[0];
  const ActiveIcon = activeItem.icon;
  const title = activeItem.label;
  const subtitle = new Intl.DateTimeFormat("en-GB", {
    weekday: "long",
    day: "numeric",
    month: "long",
  }).format(new Date());

  return (
    <header className={`top-app-bar ${className}`.trim()} data-view={activeView}>
      <div className="top-app-bar-main">
        <div className="top-title-cluster">
          <span className="top-app-icon">
            <ActiveIcon size={24} aria-hidden="true" />
          </span>
          <div className="min-w-0">
            <p className="top-kicker">{subtitle}</p>
            <h1 className="top-title">{title}</h1>
          </div>
        </div>
      </div>

      <div className="top-action-row">
        <button
          className="secondary-button top-action-button justify-center active:scale-95"
          type="button"
          onClick={onScan}
          disabled={Boolean(busyAction)}
          aria-label="Scan barcode"
        >
          <Camera size={18} aria-hidden="true" />
          <span className="top-action-label">Scan</span>
        </button>
        <button
          className="primary-button top-action-button justify-center active:scale-95"
          type="button"
          onClick={onAdd}
          disabled={Boolean(busyAction)}
          aria-label="Add intake"
        >
          <Plus size={18} aria-hidden="true" />
          <span className="top-action-label">Add intake</span>
        </button>
      </div>
    </header>
  );
}