let healthCheckRunning = false;
let healthCheckAbortController = null;

async function startHealthCheck() {
  if (healthCheckRunning) {
    return;
  }

  healthCheckRunning = true;
  healthCheckAbortController = new AbortController();
  updateHealthCheckButtons();

  resetHealthCheck();

  try {
    try {
      setCheckText("avar1", "测试中...");
      setCheckText("avar4", "测试中...");
      await checkNetwork();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("avar1", "已完成");
      setCheckText("avar2", "未通过");
      setCheckText("avar3", "检测失败");
      setCheckText("avar4", "已完成");
      setCheckText("avar5", "未通过");
      setCheckText("avar6", "检测失败");
    }

    if (!healthCheckRunning) {
      return;
    }

    try {
      setCheckText("bvar1", "测试中...");
      setCheckText("bvar4", "测试中...");
      await checkTime();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("bvar1", "已完成");
      setCheckText("bvar2", "未通过");
      setCheckText("bvar3", "检测失败");
      setCheckText("bvar4", "已完成");
      setCheckText("bvar5", "未通过");
      setCheckText("bvar6", "检测失败");
    }

    if (!healthCheckRunning) {
      return;
    }

    try {
      setCheckText("cvar1", "测试中...");
      setCheckText("cvar4", "测试中...");
      await checkPosition();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("cvar1", "已完成");
      setCheckText("cvar2", "未通过");
      setCheckText("cvar3", "检测失败");
      setCheckText("cvar4", "已完成");
      setCheckText("cvar5", "未通过");
      setCheckText("cvar6", "检测失败");
    }

    if (!healthCheckRunning) {
      return;
    }

    try {
      setCheckText("dvar1", "测试中...");
      setCheckText("dvar4", "测试中...");
      await checkCamera();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("dvar1", "已完成");
      setCheckText("dvar2", "未通过");
      setCheckText("dvar3", "检测失败");
      setCheckText("dvar4", "已完成");
      setCheckText("dvar5", "未通过");
      setCheckText("dvar6", "检测失败");
    }

    if (!healthCheckRunning) {
      return;
    }

    try {
      setCheckText("dvar7", "测试中...");
      await setCameraWaitAEDone(false);
      await checkCameraPhoto();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("dvar7", "已完成");
      setCheckText("dvar8", "未通过");
      setCheckText("dvar9", "检测失败");
    }

    if (!healthCheckRunning) {
      return;
    }

    try {
      setCheckText("evar1", "测试中...");
      await checkUserApp();
    } catch (err) {
      if (err.name === "AbortError") {
        return;
      }
      setCheckText("evar1", "已完成");
      setCheckText("evar2", "未通过");
      setCheckText("evar3", "检测失败");
    }
  } finally {
    try {
      await setCameraWaitAEDone(true);
    } finally {
      healthCheckRunning = false;
      healthCheckAbortController = null;
      updateHealthCheckButtons();
    }
  }
}

function stopHealthCheck() {
  if (!healthCheckRunning) {
    return;
  }
  healthCheckAbortController?.abort();
}

function checkHealthCheckStopped() {
  if (healthCheckAbortController?.signal.aborted) {
    throw new DOMException("Health check stopped", "AbortError");
  }
}

function updateHealthCheckButtons() {
  if (currentPage !== "page7") {
    return;
  }
  setBtnStatus("btn1", !healthCheckRunning, "page7");
  setBtnStatus("btn2",  healthCheckRunning, "page7");
}

function resetHealthCheck() {
  const ids = [
    "avar1", "avar2", "avar3",
    "avar4", "avar5", "avar6",

    "bvar1", "bvar2", "bvar3",
    "bvar4", "bvar5", "bvar6",

    "cvar1", "cvar2", "cvar3",
    "cvar4", "cvar5", "cvar6",

    "dvar1", "dvar2", "dvar3",
    "dvar4", "dvar5", "dvar6",
    "dvar7", "dvar8", "dvar9",

    "evar1", "evar2", "evar3"
  ];

  for (const id of ids) {
    setCheckText(id, "--");
  }
}

async function checkNetwork() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/network", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  for (const id of [
    "avar1", "avar2", "avar3",
    "avar4", "avar5", "avar6"
  ]) {
    setCheckText(id, data[id] ?? "--");
  }
}

async function checkTime() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/time", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  setCheckText("bvar1", data.bvar1 ?? "--");
  setCheckText("bvar2", data.bvar2 ?? "--");
  setCheckText("bvar3", data.bvar3 ?? "--");

  setCheckText("bvar4", data.bvar4 ?? "--");
  setCheckText("bvar5", data.bvar5 ?? "--");
  setCheckText("bvar6", data.bvar6 ?? "--");
}

async function checkPosition() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/position", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  setCheckText("cvar1", data.cvar1 ?? "--");
  setCheckText("cvar2", data.cvar2 ?? "--");
  setCheckText("cvar3", data.cvar3 ?? "--");

  setCheckText("cvar4", data.cvar4 ?? "--");
  setCheckText("cvar5", data.cvar5 ?? "--");
  setCheckText("cvar6", data.cvar6 ?? "--");
}

async function checkCamera() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/camera", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  setCheckText("dvar1", data.dvar1 ?? "--");
  setCheckText("dvar2", data.dvar2 ?? "--");
  setCheckText("dvar3", data.dvar3 ?? "--");
  setCheckText("dvar4", data.dvar4 ?? "--");
  setCheckText("dvar5", data.dvar5 ?? "--");
  setCheckText("dvar6", data.dvar6 ?? "--");
}

async function checkCameraPhoto() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/camera/photo", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  setCheckText("dvar7", data.dvar7 ?? "--");
  setCheckText("dvar8", data.dvar8 ?? "--");
  setCheckText("dvar9", data.dvar9 ?? "--");
}

async function checkUserApp() {
  checkHealthCheckStopped();

  const response = await fetch("/api/health-check/user-app", {
    signal: healthCheckAbortController.signal
  });

  if (!response.ok) {
    throw new Error("检测失败");
  }

  const data = await response.json();

  checkHealthCheckStopped();

  setCheckText("evar1", data.evar1 ?? "--");
  setCheckText("evar2", data.evar2 ?? "--");
  setCheckText("evar3", data.evar3 ?? "--");
}

function setCheckText(id, value) {
  if (currentPage !== "page7") {
    return;
  }

  setText(id, value, "page7");

  const el = document.getElementById(id);
  if (!el) {
    return;
  }

  el.classList.remove("check-success", "check-fail");

  if (value === "已完成" || value === "通过") {
    el.classList.add("check-success");
  } else if (value === "未通过") {
    el.classList.add("check-fail");
  }
}

function initPage7() {
}

function exitPage7() {
  stopHealthCheck()
}