'use client';
import { createContext, type ReactNode, useCallback, useContext, useEffect, useMemo, useState } from 'react';

const Ctx = createContext<{ open: boolean; setOpen: (v: boolean) => void }>({ open: false, setOpen: () => undefined });

/** Global ⌘K / "/" search dialog state. */
export function SearchProvider({ children }: { children: ReactNode }) {
  const [open, setOpen] = useState(false);
  useEffect(() => {
    const onKey = (e: KeyboardEvent) => {
      const target = e.target as HTMLElement | null;
      const typing = target && (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA' || target.isContentEditable);
      if ((e.metaKey || e.ctrlKey) && e.key.toLowerCase() === 'k') {
        e.preventDefault();
        setOpen((o) => !o);
      } else if (e.key === '/' && !typing && !e.metaKey && !e.ctrlKey) {
        e.preventDefault();
        setOpen(true);
      }
    };
    window.addEventListener('keydown', onKey);
    return () => window.removeEventListener('keydown', onKey);
  }, []);
  const value = useMemo(() => ({ open, setOpen }), [open]);
  return <Ctx.Provider value={value}>{children}</Ctx.Provider>;
}

export function useSearch() {
  return useContext(Ctx);
}
export function useOpenSearch() {
  const { setOpen } = useContext(Ctx);
  return useCallback(() => setOpen(true), [setOpen]);
}