import * as React from "react"
import Link from "next/link"
import { ChevronLeft, ChevronRight, MoreHorizontal } from "lucide-react"

import { cn } from "@/lib/utils"
import { ButtonProps, buttonVariants } from "@/components/ui/button"

const Pagination = ({ className, ...props }: React.ComponentProps<"nav">) => (
  <nav
    role="navigation"
    aria-label="Seitennummerierung"
    className={cn("mx-auto flex w-full justify-center", className)}
    {...props}
  />
)
Pagination.displayName = "Pagination"

const PaginationContent = React.forwardRef<
  HTMLUListElement,
  React.ComponentProps<"ul">
>(({ className, ...props }, ref) => (
  <ul
    ref={ref}
    className={cn("flex flex-row items-center gap-1", className)}
    {...props}
  />
))
PaginationContent.displayName = "PaginationContent"

const PaginationItem = React.forwardRef<
  HTMLLIElement,
  React.ComponentProps<"li">
>(({ className, ...props }, ref) => (
  <li ref={ref} className={cn("", className)} {...props} />
))
PaginationItem.displayName = "PaginationItem"

type PaginationLinkProps = {
  isActive?: boolean
} & Pick<ButtonProps, "size"> &
  React.ComponentProps<"a">

const PaginationLink = ({
  className,
  isActive,
  size = "icon",
  ...props
}: PaginationLinkProps) => (
  <Link
    aria-current={isActive ? "page" : undefined}
    className={cn(
      buttonVariants({
        variant: isActive ? "default" : "ghost",
        size,
      }),
      isActive ? "bg-primary text-white hover:bg-primary/90" : "text-slate-600 dark:text-slate-400 hover:bg-slate-100 dark:hover:bg-white/5 hover:text-slate-900 dark:hover:text-white",
      className
    )}
    href={props.href ?? "#"}
    {...(props as any)}
  />
)
PaginationLink.displayName = "PaginationLink"

const PaginationPrevious = ({
  className,
  ...props
}: React.ComponentProps<typeof PaginationLink>) => (
  <PaginationLink
    aria-label="Vorherige Seite"
    size="default"
    className={cn("gap-1 pl-2.5 border border-border-light dark:border-border-dark bg-white dark:bg-card-dark hover:bg-slate-50 dark:hover:bg-white/5", className)}
    {...props}
  >
    <ChevronLeft className="h-4 w-4" />
    <span>Zurück</span>
  </PaginationLink>
)
PaginationPrevious.displayName = "PaginationPrevious"

const PaginationNext = ({
  className,
  ...props
}: React.ComponentProps<typeof PaginationLink>) => (
  <PaginationLink
    aria-label="Nächste Seite"
    size="default"
    className={cn("gap-1 pr-2.5 border border-border-light dark:border-border-dark bg-white dark:bg-card-dark hover:bg-slate-50 dark:hover:bg-white/5", className)}
    {...props}
  >
    <span>Weiter</span>
    <ChevronRight className="h-4 w-4" />
  </PaginationLink>
)
PaginationNext.displayName = "PaginationNext"

const PaginationEllipsis = ({
  className,
  ...props
}: React.ComponentProps<"span">) => (
  <span
    aria-hidden
    className={cn("flex h-9 w-9 items-center justify-center", className)}
    {...props}
  >
    <MoreHorizontal className="h-4 w-4" />
    <span className="sr-only">Weitere Seiten</span>
  </span>
)
PaginationEllipsis.displayName = "PaginationEllipsis"

export {
  Pagination,
  PaginationContent,
  PaginationLink,
  PaginationItem,
  PaginationPrevious,
  PaginationNext,
  PaginationEllipsis,
}