import { VCAM_LIST } from "@/constants/constant-namelist";
import { store } from "@/store/store";
import { execLocal, fileExists } from "@/utils/nativeMethods";
import { watch } from "vue";

export function useVCamChecker() {
  /** 检测出错则提示；检测通过则将禁用登录按钮的flag置为false */
  async function checkVCamTxt() {
    let cameraInfo;
    try {
      const fs: typeof import("fs") = window.nodeRequire("fs");
      try {
        cameraInfo = fs.readFileSync("CameraInfo.txt", "utf-8");
      } catch (error) {
        logger({
          cnl: ["local", "server"],
          key: "checkVCamTxt",
          pgu: "AUTO",
          dtl: "CameraInfo.txt出错--0",
          ejn: JSON.stringify(error),
        });
        await new Promise((resolve2) => setTimeout(resolve2, 3000));
        cameraInfo = fs.readFileSync("CameraInfo.txt", "utf-8");
      }
    } catch (error) {
      logger({
        cnl: ["local", "server"],
        key: "checkVCamTxt",
        pgu: "AUTO",
        stk: error instanceof Error ? error.message : JSON.stringify(error),
        dtl: "读取CameraInfo.txt出错",
        ext: { errorType: "e-02", applicationNames: cameraInfo },
      });
      $message.error("系统检测出错(e-02)，请退出程序后重试！", {
        duration: 2 * 24 * 60 * 60,
      });
      return;
    }
    let found = false;
    if (cameraInfo && cameraInfo.trim()) {
      for (const vc of VCAM_LIST) {
        if (cameraInfo.toUpperCase().includes(vc.toUpperCase())) {
          found = true;
          $message.info("在考试期间，请关掉虚拟摄像头软件，诚信考试。", {
            duration: 2 * 24 * 60 * 60,
          });
          logger({
            cnl: ["local", "server"],
            key: "checkVCamTxt",
            pgu: "AUTO",
            dtl: "提示CameraInfo.txt成功",
            ext: { applicationNames: cameraInfo },
          });
        }
      }
    }
    disableLoginBtnBecauseVCam = found;
  }

  let disableLoginBtnBecauseVCam = $ref(true);

  const QECSConfig = $computed(() => store.QECSConfig);
  watch(QECSConfig, async () => {
    if (
      !QECSConfig.PREVENT_CHEATING_CONFIG.includes("DISABLE_VIRTUAL_CAMERA")
    ) {
      disableLoginBtnBecauseVCam = false;
      return;
    }

    if (import.meta.env.DEV) return;

    const fs: typeof import("fs") = window.nodeRequire("fs");
    try {
      fileExists("CameraInfo.txt") && fs.unlinkSync("CameraInfo.txt");
    } catch (error) {
      console.log(error);
      logger({
        cnl: ["local", "server"],
        key: "checkVCamTxt",
        dtl: "unlink CameraInfo.txt 失败",
      });
    }

    await execLocal("multiCamera.exe");

    await checkVCamTxt();
  });

  return { disableLoginBtnBecauseVCam: $$(disableLoginBtnBecauseVCam) };
}