import { useEffect, useState } from "react";
import { useAppSelector } from "../store";
import * as api from "../helpers/api";
import * as storage from "../helpers/storage";
import Icon from "./Icon";
import "../less/about-site-dialog.less";

interface State {
  latestVersion: string;
  show: boolean;
}

const UpdateVersionBanner: React.FC = () => {
  const profile = useAppSelector((state) => state.global.systemStatus.profile);
  const [state, setState] = useState<State>({
    latestVersion: "",
    show: false,
  });

  useEffect(() => {
    api.getRepoLatestTag().then((latestTag) => {
      const { skippedVersion } = storage.get(["skippedVersion"]);
      const latestVersion = latestTag.slice(1) || "0.0.0";
      const currentVersion = profile.version;
      const skipped = skippedVersion ? skippedVersion === latestVersion : false;
      setState({
        latestVersion,
        show: !skipped && currentVersion < latestVersion,
      });
    });
  }, []);

  const onSkip = () => {
    storage.set({ skippedVersion: state.latestVersion });
    setState((s) => ({
      ...s,
      show: false,
    }));
  };

  if (!state.show) return null;

  return (
    <div className="flex flex-row items-center justify-center w-full py-2 text-white bg-green-600">
      <a
        className="flex flex-row items-center justify-center hover:underline"
        target="_blank"
        href="https://github.com/usememos/memos/releases"
        rel="noreferrer"
      >
        <Icon.ArrowUpCircle className="w-5 h-auto mr-2" />
        New Update <span className="ml-1 font-bold">{state.latestVersion}</span>
      </a>
      <button className="absolute opacity-20 right-4 btn" title="Skip this version" onClick={onSkip}>
        <Icon.X />
      </button>
    </div>
  );
};

export default UpdateVersionBanner;