Breadcrumb

import * as React from "react"
import { mergeProps } from "@base-ui/react/merge-props"
import { useRender } from "@base-ui/react/use-render"
import { MoreHorizontalIcon } from "lucide-react"
import { cn } from "cn"

function Breadcrumb({ className, ...props }: React.ComponentProps<"nav">) {
  return <nav aria-label="Breadcrumb" data-slot="breadcrumb" className={cn(className)} {...props} />
}

function BreadcrumbList({ className, ...props }: React.ComponentProps<"ol">) {
  return (
    <ol
      data-slot="breadcrumb-list"
      className={cn(
        "flex flex-wrap items-center gap-2 text-sm wrap-break-word text-muted-foreground",
        className
      )}
      {...props}
    />
  )
}

function BreadcrumbItem({ className, ...props }: React.ComponentProps<"li">) {
  return <li data-slot="breadcrumb-item" className={cn("inline-flex items-center gap-1.5", className)} {...props} />
}

function BreadcrumbLink({ className, render, ...props }: useRender.ComponentProps<"a">) {
  return useRender({
    defaultTagName: "a",
    props: mergeProps<"a">(
      {
        className: cn(
          "rounded-sm transition-colors duration-(--duration-base) outline-none hover:text-foreground focus-visible:ring-3 focus-visible:ring-ring/40",
          className
        ),
      },
      props
    ),
    render,
    state: {
      slot: "breadcrumb-link",
    },
  })
}

function BreadcrumbPage({ className, ...props }: React.ComponentProps<"span">) {
  return (
    <span
      data-slot="breadcrumb-page"
      role="link"
      aria-disabled="true"
      aria-current="page"
      className={cn("font-medium text-foreground", className)}
      {...props}
    />
  )
}

/** A hairline slash: direction-neutral, so it needs no RTL flip. */
function BreadcrumbSeparator({ children, className, ...props }: React.ComponentProps<"li">) {
  return (
    <li
      data-slot="breadcrumb-separator"
      role="presentation"
      aria-hidden="true"
      className={cn("text-foreground/25 [&>svg]:size-3.5", className)}
      {...props}
    >
      {children ?? "/"}
    </li>
  )
}

function BreadcrumbEllipsis({ className, ...props }: React.ComponentProps<"span">) {
  return (
    <span
      data-slot="breadcrumb-ellipsis"
      role="presentation"
      aria-hidden="true"
      className={cn("flex size-5 items-center justify-center [&>svg]:size-4", className)}
      {...props}
    >
      <MoreHorizontalIcon />
      <span className="sr-only">More</span>
    </span>
  )
}

export {
  Breadcrumb,
  BreadcrumbList,
  BreadcrumbItem,
  BreadcrumbLink,
  BreadcrumbPage,
  BreadcrumbSeparator,
  BreadcrumbEllipsis,
}