"use client"

import * as React from "react"
import * as ScrollAreaPrimitive from "@radix-ui/react-scroll-area"

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

function ScrollArea({
  className,
  children,
  type = "hover",
  ...props
}: React.ComponentProps<typeof ScrollAreaPrimitive.Root>) {
  return (
    <ScrollAreaPrimitive.Root
      data-slot="scroll-area"
      type={type}
      className={cn("relative", className)}
      {...props}
    >
      <ScrollAreaPrimitive.Viewport
        data-slot="scroll-area-viewport"
        // Radix renders an internal child <div> with `display: table; min-width: 100%`
        // which grows to the widest content. When chat messages contain long
        // unbreakable strings (URLs, comma-glued lists, file paths) that child
        // expands beyond the viewport's clientWidth, causing the whole sidebar
        // to overflow horizontally. Force the inner div to behave as a normal
        // block constrained to the viewport's width so vertical scroll still
        // works but horizontal overflow is contained.
        className="h-full w-full rounded-[inherit] transition-[color,background-color,border-color,text-decoration-color,fill,stroke] focus-visible:ring-ring/50 focus-visible:outline-1 focus-visible:ring-[3px] focus-visible:outline-ring [scrollbar-width:none] [-ms-overflow-style:none] [&::-webkit-scrollbar]:hidden [&>div]:!block [&>div]:!w-full [&>div]:!min-w-0 [&>div]:!max-w-full"
      >
        {children}
      </ScrollAreaPrimitive.Viewport>
      <ScrollBar />
      <ScrollAreaPrimitive.Corner />
    </ScrollAreaPrimitive.Root>
  )
}

function ScrollBar({
  className,
  orientation = "vertical",
  ...props
}: React.ComponentProps<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>) {
  return (
    <ScrollAreaPrimitive.ScrollAreaScrollbar
      data-slot="scroll-area-scrollbar"
      orientation={orientation}
      className={cn(
        "flex touch-none select-none p-px transition-colors",
        orientation === "vertical" &&
          "h-full w-2.5 border-l border-l-transparent",
        orientation === "horizontal" &&
          "h-2.5 flex-col border-t border-t-transparent",
        className
      )}
      {...props}
    >
      <ScrollAreaPrimitive.ScrollAreaThumb
        data-slot="scroll-area-thumb"
        className="bg-border relative flex-1 rounded-full"
      />
    </ScrollAreaPrimitive.ScrollAreaScrollbar>
  )
}

export { ScrollArea, ScrollBar }