nezha_dash/components/ServerCard.tsx

import { useTranslations } from "next-intl";
import { NezhaAPISafe } from "../app/[locale]/types/nezha-api";
import ServerUsageBar from "@/components/ServerUsageBar";
import { Card } from "@/components/ui/card";
import {
  Popover,
  PopoverContent,
  PopoverTrigger,
} from "@/components/ui/popover";
import { cn, formatNezhaInfo } from "@/lib/utils";
import ServerCardPopover from "./ServerCardPopover";
import getUnicodeFlagIcon from "country-flag-icons/unicode";
import { env } from "next-runtime-env";
import { useEffect, useState } from "react";

export default function ServerCard({
  serverInfo,
}: {
  serverInfo: NezhaAPISafe;
}) {
  const [supportsEmojiFlags, setSupportsEmojiFlags] = useState(false);

  useEffect(() => {
    const checkEmojiSupport = () => {
      const canvas = document.createElement('canvas');
      const ctx = canvas.getContext('2d');
      const emojiFlag = "🇺🇸"; // 使用美国国旗作为测试
      if (!ctx) return;
      ctx.fillStyle = "#000";
      ctx.textBaseline = 'top';
      ctx.font = '32px Arial';
      ctx.fillText(emojiFlag, 0, 0);

      const support = ctx.getImageData(16, 16, 1, 1).data[3] !== 0;
      setSupportsEmojiFlags(support);
    };

    checkEmojiSupport();
  }, []);

  const t = useTranslations("ServerCard");
  const { name, country_code, online, cpu, up, down, mem, stg, ...props } =
    formatNezhaInfo(serverInfo);

  const showFlag = env("NEXT_PUBLIC_ShowFlag") === "true";


  return online ? (
    <Card
      className={
        "flex flex-col items-center justify-start gap-3 p-3 md:px-5 lg:flex-row"
      }
    >
      <Popover>
        <PopoverTrigger asChild>
          <section className={"flex items-center justify-start gap-2 lg:w-28"}>
            {showFlag ? (
              <span className="text-[12px] text-muted-foreground">
                {!supportsEmojiFlags ? (
                  <span className={`fi fi-${country_code}`}></span>
                ) : (
                  getUnicodeFlagIcon(country_code)
                )}
              </span>
            ) : null}
            <p
              className={cn(
                "break-all font-bold tracking-tight",
                showFlag ? "text-xs" : "text-sm",
              )}
            >
              {name}
            </p>
            <span className="h-2 w-2 shrink-0 rounded-full bg-green-500"></span>
          </section>
        </PopoverTrigger>
        <PopoverContent side="top">
          <ServerCardPopover status={props.status} host={props.host} />
        </PopoverContent>
      </Popover>
      <section className={"grid grid-cols-5 items-center gap-3"}>
        <div className={"flex w-14 flex-col"}>
          {" "}
          {/* 设置固定宽度 */}
          <p className="text-xs text-muted-foreground">{t("CPU")}</p>
          <div className="flex items-center text-xs font-semibold">
            {cpu.toFixed(2)}%
          </div>
          <ServerUsageBar value={cpu} />
        </div>
        <div className={"flex w-14 flex-col"}>
          {" "}
          {/* 设置固定宽度 */}
          <p className="text-xs text-muted-foreground">{t("Mem")}</p>
          <div className="flex items-center text-xs font-semibold">
            {mem.toFixed(2)}%
          </div>
          <ServerUsageBar value={mem} />
        </div>
        <div className={"flex w-14 flex-col"}>
          {" "}
          {/* 设置固定宽度 */}
          <p className="text-xs text-muted-foreground">{t("STG")}</p>
          <div className="flex items-center text-xs font-semibold">
            {stg.toFixed(2)}%
          </div>
          <ServerUsageBar value={stg} />
        </div>
        <div className={"flex w-14 flex-col"}>
          {" "}
          {/* 设置固定宽度 */}
          <p className="text-xs text-muted-foreground">{t("Upload")}</p>
          <div className="flex items-center text-xs font-semibold">
            {up.toFixed(2)}
            Mb/s
          </div>
        </div>
        <div className={"flex w-14 flex-col"}>
          {" "}
          {/* 设置固定宽度 */}
          <p className="text-xs text-muted-foreground">{t("Download")}</p>
          <div className="flex items-center text-xs font-semibold">
            {down.toFixed(2)}
            Mb/s
          </div>
        </div>
      </section>
    </Card>
  ) : (
    <Card
      className={
        "flex flex-col items-center justify-start gap-3 p-3 md:px-5 lg:flex-row"
      }
    >
      <Popover>
        <PopoverTrigger asChild>
          <section className={"flex items-center justify-start gap-2 lg:w-28"}>
            {showFlag ? (
              <span className="text-[12px] text-muted-foreground">
                {!supportsEmojiFlags ? (
                  <span className={`fi fi-${country_code}`}></span>
                ) : (
                  getUnicodeFlagIcon(country_code)
                )}
              </span>
            ) : null}
            <p
              className={cn(
                "break-all font-bold tracking-tight",
                showFlag ? "text-xs" : "text-sm",
              )}
            >
              {name}
            </p>
            <span className="h-2 w-2 shrink-0 rounded-full bg-red-500"></span>
          </section>
        </PopoverTrigger>
        <PopoverContent className="w-fit p-2" side="top">
          <p className="text-sm text-muted-foreground">{t("Offline")}</p>
        </PopoverContent>
      </Popover>
    </Card>
  );
}