const MENU_FILE = "./menu-seed.json";
const STORAGE_FILE = "./storage-seed.json";

let menuPromise = null;
let storagePromise = null;

self.addEventListener("install", (event) => {
  self.skipWaiting();
  event.waitUntil(Promise.all([loadMenu(), loadStorage()]));
});

self.addEventListener("activate", (event) => {
  event.waitUntil(self.clients.claim());
});

self.addEventListener("fetch", (event) => {
  const url = new URL(event.request.url);
  if (!(url.pathname.startsWith("/hakocompany/") || url.pathname.startsWith("/company/") || url.hostname.includes("app-company-be.sqygj.cn"))) {
    return;
  }
  event.respondWith(handleApiRequest(event.request));
});

async function loadMenu() {
  if (menuPromise) {
    return menuPromise;
  }
  menuPromise = fetch(MENU_FILE, { cache: "no-store" })
    .then((response) => (response.ok ? response.json() : []))
    .catch(() => []);
  return menuPromise;
}

async function loadStorage() {
  if (storagePromise) {
    return storagePromise;
  }
  storagePromise = fetch(STORAGE_FILE, { cache: "no-store" })
    .then((response) => (response.ok ? response.json() : {}))
    .catch(() => ({}));
  return storagePromise;
}

function ok(data) {
  return {
    data,
    code: 0,
    message: "mock success.",
    ok: true
  };
}

function paged(records = []) {
  return ok({
    rowsCount: records.length,
    pageNumber: 1,
    pageSize: 10,
    pageCount: records.length ? 1 : 0,
    records
  });
}

function parseJsonMaybe(value, fallback = {}) {
  try {
    return JSON.parse(value || "{}");
  } catch (_error) {
    return fallback;
  }
}

async function handleApiRequest(request) {
  if (request.method === "OPTIONS") {
    return new Response("", {
      status: 200,
      headers: corsHeaders("text/plain;charset=utf-8")
    });
  }

  const storage = await loadStorage();
  const menu = await loadMenu();
  const companyInfo = parseJsonMaybe(storage.companyInfo);
  const userInfo = parseJsonMaybe(storage.userInfo);
  const boardInfo = parseJsonMaybe(storage.boardInfo);
  const memberInfo = parseJsonMaybe(storage.memberInfor);

  const url = new URL(request.url);
  const path = url.pathname;

  if (path.includes("/hakocompany/account/")) {
    return json(ok({
      companyAuthApplyOrderRespDTOS: [companyInfo],
      menuSelectAllResponseDTOS: menu,
      companyAuthApplyOrderRespDTO: companyInfo
    }));
  }

  if (path.includes("/company/member/findById")) {
    return json(ok(memberInfo));
  }

  if (path.includes("/company/organizationalStructure/statusBoard")) {
    return json(ok({
      login: boardInfo.login || 1,
      org: boardInfo.org || 1,
      company: boardInfo.company || 1,
      activation: boardInfo.activation || 1,
      cockpit: boardInfo.cockpit || 1,
      projectCount: boardInfo.projectCount || 94,
      houseCount: boardInfo.houseCount || 4686,
      floorageCount: boardInfo.floorageCount || 2888556.18
    }));
  }

  if (path.includes("/company/organizationalStructure/dueNum")) {
    return json(ok({
      projectGoodsDueNum: 3,
      smsSurplusNum: 11042,
      contractDueNum: 1,
      memberCertificateDueNum: 0
    }));
  }

  if (path.includes("/hakocompany/RightsProject/expireSchemeDetail")) {
    return json(ok({
      projectGoodsDueNum: 3,
      smsSurplusNum: 11042,
      contractDueNum: 1,
      memberCertificateDueNum: 0
    }));
  }

  if (path.includes("/hakocompany/PlatformMessage/noticePageList")) {
    return json(paged([
      { id: 1, title: "企业平台通知", createTime: "2026-04-01 22:00:00", content: "这是企业服务平台的本地 mock 通知。" }
    ]));
  }

  if (path.includes("/hakocompany/PlatformMessage/checkMessage")) {
    return json(ok(false));
  }

  if (path.includes("/hakocompany/AgentConfig/getAgentUrl")) {
    return json(ok("https://example.com/mock-etms-agent"));
  }

  if (path.includes("/hakocompany/SatisfactionEvaluate/checkEvaluateTime")) {
    return json(ok(false));
  }

  if (path.includes("/hakocompany/OperationalGuidance/pageList")) {
    return json(paged([
      { id: 1, title: "合同管理", tag: "操作指引" },
      { id: 2, title: "事务报表", tag: "操作指引" },
      { id: 3, title: "财务—常规配置", tag: "操作指引" }
    ]));
  }

  if (path.includes("/hakocompany/TrainingInfo/pageList")) {
    return json(paged([]));
  }

  if (path.includes("/hakocompany/Company/") || path.includes("/company/Company/")) {
    return json(ok(companyInfo));
  }

  if (path.includes("/hakocompany/FsSubject/")) {
    return json(ok([]));
  }

  if (path.includes("/hakocompany/OrderContract/pageList")) {
    return json(paged([]));
  }

  if (path.includes("/hakocompany/WeightConfig") || path.includes("/hakocompany/Satisfaction")) {
    return json(paged([]));
  }

  if (path.includes("/hakocompany/Board") || path.includes("/hakocompany/Cockpit")) {
    return json(ok(boardInfo));
  }

  if (path.includes("/pageList")) {
    return json(paged([]));
  }

  if (path.includes("/listBy") || path.includes("/selectAll") || path.endsWith("/list")) {
    return json(ok([]));
  }

  if (
    path.includes("/create") ||
    path.includes("/update") ||
    path.includes("/delete") ||
    path.includes("/save") ||
    path.includes("/edit") ||
    path.includes("/sync") ||
    path.includes("/batch")
  ) {
    return json(ok(true));
  }

  if (path.includes("/findBy") || path.includes("/detail")) {
    return json(ok({
      companyInfo,
      userInfo,
      memberInfo,
      boardInfo
    }));
  }

  if (path.includes("/report") || path.includes("/statistics") || path.includes("/count") || path.includes("/total")) {
    return json(ok({
      projectCount: boardInfo.projectCount || 0,
      houseCount: boardInfo.houseCount || 0,
      floorageCount: boardInfo.floorageCount || 0
    }));
  }

  return json(ok({}));
}

function json(payload) {
  return new Response(JSON.stringify(payload), {
    status: 200,
    headers: corsHeaders("application/json;charset=utf-8")
  });
}

function corsHeaders(contentType) {
  return {
    "Content-Type": contentType,
    "Access-Control-Allow-Origin": "*",
    "Access-Control-Allow-Methods": "GET,POST,PUT,PATCH,DELETE,OPTIONS",
    "Access-Control-Allow-Headers": "*"
  };
}