"use client";

import { X } from "lucide-react";
import { useId, useRef, type ReactNode } from "react";
import { Button } from "./Button";
import { useDialogFocus } from "./useDialogFocus";

type SlideOverProps = {
  open: boolean;
  onClose: () => void;
  title: string;
  subtitle?: string;
  children: ReactNode;
  footer?: ReactNode;
};

export function SlideOver({ open, onClose, title, subtitle, children, footer }: SlideOverProps) {
  const dialogRef = useRef<HTMLDivElement>(null);
  const titleId = useId();
  useDialogFocus(open, onClose, dialogRef);

  return (
    // Stays mounted so the slide transition can run, which means a closed
    // panel's fields are still in the tab order — aria-hidden does not remove
    // them. `inert` does, and also blocks clicks, so several closed panels no
    // longer pile up invisible tab stops at the end of the page.
    <div className="fixed inset-0 z-50" inert={!open}>
      <div
        className={`absolute inset-0 bg-black/40 transition-opacity ${open ? "opacity-100" : "opacity-0"}`}
        onClick={onClose}
        aria-hidden
      />
      <div
        ref={dialogRef}
        role="dialog"
        aria-modal="true"
        aria-labelledby={titleId}
        tabIndex={-1}
        className={`absolute right-0 top-0 flex h-dvh w-full max-w-md flex-col bg-white shadow-xl outline-none transition-transform duration-200 ${
          open ? "translate-x-0" : "translate-x-full"
        }`}
      >
        <div className="flex shrink-0 items-start justify-between border-b border-border px-4 py-3 pt-[max(0.75rem,env(safe-area-inset-top))] sm:px-6 sm:py-4">
          <div className="min-w-0">
            <h2 id={titleId} className="text-lg font-bold text-ink">
              {title}
            </h2>
            {subtitle && <p className="truncate text-sm text-ink-muted">{subtitle}</p>}
          </div>
          <Button variant="icon" onClick={onClose} aria-label="Schließen" className="-mr-1">
            <X className="h-5 w-5" />
          </Button>
        </div>
        <div className="flex-1 overflow-y-auto overscroll-contain px-4 py-4 sm:px-6">{children}</div>
        {footer && (
          <div className="flex shrink-0 flex-wrap items-center justify-end gap-2 border-t border-border px-4 py-3 pb-[max(0.75rem,env(safe-area-inset-bottom))] sm:px-6 sm:py-4">
            {footer}
          </div>
        )}
      </div>
    </div>
  );
}
