import { nativeImage } from "electron/common";
import { Menu, Tray, app } from "electron/main";
import type { Tray as ElectronTray } from "electron/main";

type TrayIconImage = ReturnType<typeof nativeImage.createFromBuffer>;

let tray: ElectronTray | null = null;
let normalTrayIcon: TrayIconImage | null = null;
let dangerTrayIcon: TrayIconImage | null = null;

const TRAY_ICON_BASE64 =
  "iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAAnUlEQVR4nN2UwQmAMAxF360Dee8I" +
  "LuNIxT2cpIv0oJcIEqJGMSIG/qX8fn5/msDfqgcKUIEmqHLW3xHsgAmYTzAJ1+2yOURXNI/77qLo" +
  "VvzQufX8EchAEmQ5s2LZjUCThwMTg8E3IymG07PSzotFqoqUHcJZ3akWSTctOYST0cT3hMOiCGte" +
  "2HcjakCIHGmiltDW+eNrU7t/dNF/txaahq+VoZ+VygAAAABJRU5ErkJggg==";

const TRAY_DANGER_ICON_BASE64 =
  "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";

function createTrayIcon(tone: "normal" | "danger"): TrayIconImage {
  if (tone === "danger") {
    if (dangerTrayIcon) {
      return dangerTrayIcon;
    }

    const icon = nativeImage.createFromBuffer(Buffer.from(TRAY_DANGER_ICON_BASE64, "base64"));
    icon.setTemplateImage(false);
    dangerTrayIcon = icon.isEmpty() ? createTrayIcon("normal") : icon;
    return dangerTrayIcon;
  }

  if (normalTrayIcon) {
    return normalTrayIcon;
  }

  const buffer = Buffer.from(TRAY_ICON_BASE64, "base64");
  const icon = nativeImage.createFromBuffer(buffer);
  if (icon.isEmpty()) {
    return nativeImage.createEmpty();
  }
  icon.setTemplateImage(true);
  normalTrayIcon = icon;
  return icon;
}

function formatIssueCount(count: number): string {
  return count > 99 ? "99+" : String(count);
}

export function updateTrayIssueIndicator(issueCount: number): void {
  if (!tray || tray.isDestroyed()) {
    return;
  }

  const safeCount = Math.max(0, Math.floor(issueCount));
  const hasIssues = safeCount > 0;

  tray.setImage(createTrayIcon(hasIssues ? "danger" : "normal"));
  tray.setTitle(hasIssues ? formatIssueCount(safeCount) : "", { fontType: "monospacedDigit" });
  tray.setToolTip(hasIssues ? `GEO Rankly Desktop · ${safeCount} 个账号健康问题` : "GEO Rankly Desktop");
}

export function initTray(onOpen: () => void): ElectronTray {
  if (tray) {
    return tray;
  }

  tray = new Tray(createTrayIcon("normal"));
  updateTrayIssueIndicator(0);
  tray.setContextMenu(
    Menu.buildFromTemplate([
      { label: "Open", click: () => onOpen() },
      { type: "separator" },
      { label: "Quit", click: () => app.quit() },
    ]),
  );
  tray.on("click", () => onOpen());
  return tray;
}