import * as React from "react";
import * as DialogPrimitive from "@radix-ui/react-dialog";
import { cva, type VariantProps } from "class-variance-authority";
import { X } from "lucide-react";
import { cn } from "@/lib/utils";
import { useHistoryBack } from "@/hooks/use-history-back";

// Enhanced Dialog with History Support
interface HistoryDialogProps extends DialogPrimitive.DialogProps {
  enableHistoryBack?: boolean;
}

const Dialog = ({
  enableHistoryBack = false,
  open,
  onOpenChange,
  ...props
}: HistoryDialogProps) => {
  const [internalOpen, setInternalOpen] = React.useState(open || false);

  // Sync internal state with controlled open prop
  React.useEffect(() => {
    if (open !== undefined) {
      setInternalOpen(open);
    }
  }, [open]);

  const handleOpenChange = React.useCallback(
    (newOpen: boolean) => {
      setInternalOpen(newOpen);
      onOpenChange?.(newOpen);
    },
    [onOpenChange],
  );

  // Handle browser back button to close dialog
  useHistoryBack({
    enabled: enableHistoryBack,
    open: internalOpen,
    onClose: () => handleOpenChange(false),
  });

  return (
    <DialogPrimitive.Root
      {...props}
      open={internalOpen}
      onOpenChange={handleOpenChange}
    />
  );
};

Dialog.displayName = "Dialog";

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-background/80 backdrop-blur-sm 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;

const DialogContent = React.forwardRef<
  React.ElementRef<typeof DialogPrimitive.Content>,
  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
>(({ className, children, ...props }, ref) => (
  <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}
    >
      {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 text-secondary-foreground" />
        <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 dialogFooterVariants = cva("flex flex-col-reverse gap-2 sm:flex-row", {
  variants: {
    variant: {
      // 1-2 action buttons: full-width stacked on mobile, right-aligned auto on desktop.
      // [&>button] only targets real button children, so non-button siblings are untouched.
      actions: "sm:justify-end [&>button]:w-full sm:[&>button]:w-auto",
      // context content (text/popover) alongside actions: space-between on desktop.
      // flex-col (not -reverse) keeps the context above the buttons when stacked on mobile.
      split: "flex-col sm:items-center sm:justify-between",
      // alignment only; never touches children. Escape hatch for unusual content.
      plain: "sm:justify-end",
    },
  },
  defaultVariants: {
    variant: "actions",
  },
});

const DialogFooter = ({
  className,
  variant,
  ...props
}: React.HTMLAttributes<HTMLDivElement> &
  VariantProps<typeof dialogFooterVariants>) => (
  <div
    className={cn(dialogFooterVariants({ variant }), 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", 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,
};