import * as React from "react";
import * as DialogPrimitive from "@radix-ui/react-dialog";
import { X } from "lucide-react";

import { cn } from "@/lib/utils";

const Dialog = DialogPrimitive.Root;

const DialogTrigger = DialogPrimitive.Trigger;

const DialogPortal = DialogPrimitive.Portal;

const DialogClose = DialogPrimitive.Close;

const DialogOverlay = React.forwardRef<
  React.ElementRef<typeof DialogPrimitive.Overlay>,
  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Overlay>
>(({ className, ...props }, ref) => (
  <DialogPrimitive.Overlay
    ref={ref}
    className={cn(
      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
      className,
    )}
    {...props}
  />
));
DialogOverlay.displayName = DialogPrimitive.Overlay.displayName;

/**
 * Walks `children` looking for any element whose component is
 * `DialogPrimitive.Description` (or our re-exported `DialogDescription`).
 * Radix emits an a11y warning when a `DialogContent` has neither a
 * `Description` nor an explicit `aria-describedby`, so we use this to decide
 * whether to inject a visually-hidden fallback description.
 */
function hasDialogDescription(children: React.ReactNode): boolean {
  let found = false;
  React.Children.forEach(children, (child) => {
    if (found || !React.isValidElement(child)) return;
    const type = child.type as { displayName?: string } | undefined;
    if (
      type === DialogPrimitive.Description ||
      (type && type.displayName === DialogPrimitive.Description.displayName)
    ) {
      found = true;
      return;
    }
    const nested = (child.props as { children?: React.ReactNode } | undefined)
      ?.children;
    if (nested !== undefined && hasDialogDescription(nested)) {
      found = true;
    }
  });
  return found;
}

type DialogContentProps = React.ComponentPropsWithoutRef<
  typeof DialogPrimitive.Content
> & {
  /**
   * Optional accessible description. When supplied, a visually-hidden
   * `DialogDescription` is rendered so screen readers announce it without
   * affecting layout. Prefer this for simple dialogs; for richer descriptions
   * continue to place a `<DialogDescription>` inside `<DialogHeader>`.
   */
  description?: React.ReactNode;
};

const DialogContent = React.forwardRef<
  React.ElementRef<typeof DialogPrimitive.Content>,
  DialogContentProps
>(({ className, children, description, ...props }, ref) => {
  const hasExplicitDescribedBy = !!props["aria-describedby"];
  const needsFallback =
    !hasExplicitDescribedBy &&
    description === undefined &&
    !hasDialogDescription(children);

  return (
    <DialogPortal>
      <DialogOverlay />
      <DialogPrimitive.Content
        ref={ref}
        className={cn(
          "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
          className,
        )}
        {...props}
      >
        {description !== undefined && (
          <DialogPrimitive.Description className="sr-only">
            {description}
          </DialogPrimitive.Description>
        )}
        {needsFallback && (
          <DialogPrimitive.Description className="sr-only">
            Dialog content
          </DialogPrimitive.Description>
        )}
        {children}
        <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity data-[state=open]:bg-accent data-[state=open]:text-muted-foreground hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none">
          <X className="h-4 w-4" />
          <span className="sr-only">Close</span>
        </DialogPrimitive.Close>
      </DialogPrimitive.Content>
    </DialogPortal>
  );
});
DialogContent.displayName = DialogPrimitive.Content.displayName;

const DialogHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
  <div className={cn("flex flex-col space-y-1.5 text-center sm:text-left", className)} {...props} />
);
DialogHeader.displayName = "DialogHeader";

const DialogFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
  <div className={cn("flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2", className)} {...props} />
);
DialogFooter.displayName = "DialogFooter";

const DialogTitle = React.forwardRef<
  React.ElementRef<typeof DialogPrimitive.Title>,
  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Title>
>(({ className, ...props }, ref) => (
  <DialogPrimitive.Title
    ref={ref}
    className={cn("text-lg font-semibold leading-none tracking-tight", className)}
    {...props}
  />
));
DialogTitle.displayName = DialogPrimitive.Title.displayName;

const DialogDescription = React.forwardRef<
  React.ElementRef<typeof DialogPrimitive.Description>,
  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Description>
>(({ className, ...props }, ref) => (
  <DialogPrimitive.Description ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
));
DialogDescription.displayName = DialogPrimitive.Description.displayName;

export {
  Dialog,
  DialogPortal,
  DialogOverlay,
  DialogClose,
  DialogTrigger,
  DialogContent,
  DialogHeader,
  DialogFooter,
  DialogTitle,
  DialogDescription,
};
