// A short note on a highlight or a bookmark: shown under it, added or edited in place.
import { useState } from 'react';

export default function MarkNote({ note = '', onSave, label = 'note', className = '' }) {
  const [editing, setEditing] = useState(false);
  const [draft, setDraft] = useState('');
  const open = () => { setDraft(note); setEditing(true); };
  const save = () => { onSave(draft.trim()); setEditing(false); };

  if (editing) {
    return (
      <div className={className}>
        <textarea autoFocus value={draft} maxLength={500} rows={2} aria-label={`Your ${label}`} onChange={(e) => setDraft(e.target.value)}
          onKeyDown={(e) => { if (e.key === 'Enter' && (e.metaKey || e.ctrlKey)) { e.preventDefault(); save(); } else if (e.key === 'Escape') { e.stopPropagation(); setEditing(false); } }}
          className="w-full resize-y rounded-lg border border-[var(--r-line)] bg-[var(--r-bg)] px-2.5 py-1.5 text-sm text-[var(--r-text)] focus:outline-none focus:ring-2 focus:ring-[var(--r-line)]" placeholder="What does this mean to you?" />
        <div className="mt-1 flex items-center gap-3 text-xs">
          <button type="button" onClick={save} className="font-medium text-[var(--r-accent)] hover:underline">Save</button>
          <button type="button" onClick={() => setEditing(false)} className="text-[var(--r-sub)] hover:underline">Cancel</button>
          <span className="ml-auto text-[10px] text-[var(--r-sub)]">{draft.length}/500</span>
        </div>
      </div>
    );
  }
  if (!note) {
    return <div className={className}><button type="button" onClick={open} className="text-xs text-[var(--r-accent)] hover:underline">+ Add {label}</button></div>;
  }
  return (
    <div className={`${className} flex items-start gap-2`}>
      <p className="min-w-0 flex-1 whitespace-pre-wrap rounded-lg bg-[var(--r-bg)] px-2.5 py-1.5 text-[13px] italic text-[var(--r-text)]">{note}</p>
      <button type="button" onClick={open} aria-label={`Edit ${label}`} className="shrink-0 text-xs text-[var(--r-sub)] hover:underline">Edit</button>
    </div>
  );
}