import * as React from "react";
import { cn } from "@/lib/utils";

const ItemContext = React.createContext<{ open: boolean; toggle: () => void }>({ open: false, toggle: () => {} });

export function Accordion({ className, children, type, collapsible, ...props }: React.HTMLAttributes<HTMLDivElement> & { type?: string; collapsible?: boolean }) {
  return <div className={cn("w-full", className)} {...props}>{children}</div>;
}

export function AccordionItem({ className, children, value, ...props }: React.HTMLAttributes<HTMLDivElement> & { value?: string }) {
  const [open, setOpen] = React.useState(false);
  return (
    <ItemContext.Provider value={{ open, toggle: () => setOpen(o => !o) }}>
      <div className={cn("border-b border-slate-200", className)} {...props}>{children}</div>
    </ItemContext.Provider>
  );
}

export function AccordionTrigger({ className, children, ...props }: React.ButtonHTMLAttributes<HTMLButtonElement>) {
  const ctx = React.useContext(ItemContext);
  return (
    <button
      type="button"
      onClick={ctx.toggle}
      className={cn("flex w-full items-center justify-between py-4 text-left text-sm font-medium hover:underline", className)}
      {...props}
    >
      {children}
      <span className={cn("ml-2 transition-transform", ctx.open && "rotate-180")}>⌄</span>
    </button>
  );
}

export function AccordionContent({ className, children, ...props }: React.HTMLAttributes<HTMLDivElement>) {
  const ctx = React.useContext(ItemContext);
  if (!ctx.open) return null;
  return <div className={cn("pb-4 text-sm text-slate-600", className)} {...props}>{children}</div>;
}

export default Accordion;