import { useEffect } from 'react';
import { Globe2, RefreshCw, Upload, BadgeCheck, Mail, FileDown } from 'lucide-react';

export type QSOMenuState = { x: number; y: number; ids: number[] } | null;

type Props = {
  menu: QSOMenuState;
  onClose: () => void;
  onUpdateFromCty: (ids: number[]) => void;
  onUpdateFromQRZ: (ids: number[]) => void;
  onUpdateFromClublog?: (ids: number[]) => void;
  onSendTo?: (service: string, ids: number[]) => void;
  onSendRecording?: (ids: number[]) => void;
  onExportSelected?: (ids: number[]) => void;
  onExportFiltered?: () => void;
};

const UPLOAD_TARGETS: { service: string; label: string }[] = [
  { service: 'qrz', label: 'Send to QRZ.com' },
  { service: 'clublog', label: 'Send to Club Log' },
  { service: 'lotw', label: 'Send to LoTW' },
];

// Lightweight right-click menu for the QSO grids. AG Grid's native context
// menu is an Enterprise feature, so this is a plain floating menu driven by
// onCellContextMenu. Closes on any outside click, scroll or Escape.
export function QSOContextMenu({ menu, onClose, onUpdateFromCty, onUpdateFromQRZ, onUpdateFromClublog, onSendTo, onSendRecording, onExportSelected, onExportFiltered }: Props) {
  useEffect(() => {
    if (!menu) return;
    const close = () => onClose();
    const onKey = (e: KeyboardEvent) => { if (e.key === 'Escape') onClose(); };
    window.addEventListener('mousedown', close);
    window.addEventListener('scroll', close, true);
    window.addEventListener('resize', close);
    window.addEventListener('keydown', onKey);
    return () => {
      window.removeEventListener('mousedown', close);
      window.removeEventListener('scroll', close, true);
      window.removeEventListener('resize', close);
      window.removeEventListener('keydown', onKey);
    };
  }, [menu, onClose]);

  if (!menu) return null;
  const n = menu.ids.length;
  // Keep the menu on-screen near the cursor.
  const x = Math.min(menu.x, window.innerWidth - 248);
  const y = Math.min(menu.y, window.innerHeight - (onSendTo ? 230 : 110));

  return (
    <div
      className="fixed z-[200] min-w-[240px] rounded-md border border-border bg-popover shadow-lg py-1 text-sm"
      style={{ left: x, top: y }}
      onMouseDown={(e) => e.stopPropagation()}
    >
      <div className="px-3 py-1 text-[11px] uppercase tracking-wider text-muted-foreground">
        {n} QSO{n > 1 ? 's' : ''} selected
      </div>
      <button
        className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
        onClick={() => { onUpdateFromCty(menu.ids); onClose(); }}
      >
        <Globe2 className="size-4 text-primary" />
        <span>Fix country &amp; zones from cty.dat</span>
      </button>
      <button
        className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
        onClick={() => { onUpdateFromQRZ(menu.ids); onClose(); }}
      >
        <RefreshCw className="size-4 text-sky-600" />
        <span>Update from QRZ.com</span>
      </button>
      {onUpdateFromClublog && (
        <button
          className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
          onClick={() => { onUpdateFromClublog(menu.ids); onClose(); }}
        >
          <BadgeCheck className="size-4 text-violet-600" />
          <span>Update from ClubLog (exceptions)</span>
        </button>
      )}

      {onSendRecording && (
        <>
          <div className="my-1 border-t border-border" />
          <button
            className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
            onClick={() => { onSendRecording(menu.ids); onClose(); }}
          >
            <Mail className="size-4 text-rose-600" />
            <span>Send recording by e-mail</span>
          </button>
        </>
      )}

      {(onExportSelected || onExportFiltered) && (
        <>
          <div className="my-1 border-t border-border" />
          {onExportSelected && (
            <button
              className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
              onClick={() => { onExportSelected(menu.ids); onClose(); }}
            >
              <FileDown className="size-4 text-sky-600" />
              <span>Export selected to ADIF ({n})</span>
            </button>
          )}
          {onExportFiltered && (
            <button
              className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
              onClick={() => { onExportFiltered(); onClose(); }}
            >
              <FileDown className="size-4 text-violet-600" />
              <span>Export filtered view to ADIF (no limit)</span>
            </button>
          )}
        </>
      )}

      {onSendTo && (
        <>
          <div className="my-1 border-t border-border" />
          {UPLOAD_TARGETS.map((t) => (
            <button
              key={t.service}
              className="flex w-full items-center gap-2 px-3 py-1.5 text-left hover:bg-accent/50"
              onClick={() => { onSendTo(t.service, menu.ids); onClose(); }}
            >
              <Upload className="size-4 text-emerald-600" />
              <span>{t.label}</span>
            </button>
          ))}
        </>
      )}
    </div>
  );
}