"use client";

import * as React from "react";
import { ChevronLeft, ChevronRight } from "lucide-react";
import { DayPicker } from "react-day-picker";

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

export type CalendarProps = React.ComponentProps<typeof DayPicker>;

function Calendar({ className, classNames, showOutsideDays = true, ...props }: CalendarProps) {
  return (
    <DayPicker
      showOutsideDays={showOutsideDays}
      className={cn("p-3", className)}
      classNames={{
        // react-day-picker v9 클래스명
        months: "flex flex-col sm:flex-row gap-4",
        month: "flex flex-col gap-4",
        month_caption: "flex justify-center pt-1 relative items-center h-7",
        caption_label: "text-sm font-medium",
        nav: "flex items-center gap-1",
        button_previous: cn(
          buttonVariants({ variant: "outline" }),
          "h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100 absolute left-1",
        ),
        button_next: cn(
          buttonVariants({ variant: "outline" }),
          "h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100 absolute right-1",
        ),
        month_grid: "w-full border-collapse",
        weekdays: "flex w-full",
        weekday:
          "text-muted-foreground rounded-md w-9 h-9 font-normal text-[0.8rem] inline-flex items-center justify-center",
        week: "flex w-full mt-2",
        day: "h-9 w-9 text-center text-sm p-0 relative",
        day_button: cn(
          buttonVariants({ variant: "ghost" }),
          "h-9 w-9 p-0 font-normal aria-selected:opacity-100",
        ),
        range_end: "day-range-end",
        selected:
          "bg-primary text-primary-foreground hover:bg-primary hover:text-primary-foreground focus:bg-primary focus:text-primary-foreground rounded-md",
        today: "bg-accent text-accent-foreground rounded-md",
        outside:
          "text-muted-foreground opacity-50 aria-selected:bg-accent/50 aria-selected:text-muted-foreground aria-selected:opacity-30",
        disabled: "text-muted-foreground opacity-50",
        range_middle: "aria-selected:bg-accent aria-selected:text-accent-foreground",
        hidden: "invisible",
        ...classNames,
      }}
      components={{
        Chevron: ({ orientation }) => {
          if (orientation === "left") {
            return <ChevronLeft className="h-4 w-4" />;
          }
          return <ChevronRight className="h-4 w-4" />;
        },
      }}
      {...props}
    />
  );
}
Calendar.displayName = "Calendar";

export { Calendar };
