"use client";

import posthog from "posthog-js";
import { useEffect, useState } from "react";

import { PostHogEvent } from "@/constants/posthog-events";
import { cn } from "@/lib/utils";

interface GitHubStarBadgeProps {
  className?: string;
  label?: string;
  showCount?: boolean;
  source: string;
}

export function GitHubStarBadge({ className, label, showCount, source }: GitHubStarBadgeProps) {
  const [starCount, setStarCount] = useState<string | null>(null);

  useEffect(() => {
    if (!showCount) return;
    fetch("https://api.github.com/repos/dograh-hq/dograh")
      .then((res) => res.json())
      .then((data) => {
        if (data.stargazers_count != null) {
          const count = data.stargazers_count as number;
          setStarCount(count >= 1000 ? `${(count / 1000).toFixed(1)}k` : String(count));
        }
      })
      .catch(() => {});
  }, [showCount]);

  const hasCount = showCount && starCount;

  return (
    <a
      href="https://github.com/dograh-hq/dograh"
      target="_blank"
      rel="noopener noreferrer"
      onClick={() => posthog.capture(PostHogEvent.GITHUB_STAR_CLICKED, { source })}
      className={cn(
        "inline-flex items-center rounded-md border text-sm leading-none hover:opacity-80 transition-opacity",
        className
      )}
    >
      <span className={cn(
        "inline-flex items-center gap-1.5 bg-muted px-2.5 py-1.5",
        hasCount ? "rounded-l-md border-r" : "rounded-md"
      )}>
        <svg className="h-4 w-4" viewBox="0 0 16 16" fill="currentColor">
          <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z" />
        </svg>
        <span className="font-medium">{label || "Star"}</span>
      </span>
      {hasCount && (
        <span className="px-2.5 py-1.5 font-medium">{starCount}</span>
      )}
    </a>
  );
}