// HR 本地存储：申请草稿、本地申请记录、审批结果缓存
// 由 kd-aiot-frontend-hr-H5 的 src/utils/storage.ts 迁移而来（去掉演示模式数据）

const APPLY_KEY = "aimill_hr_applications";
const DRAFT_KEY = "aimill_hr_application_drafts";
const APPROVAL_KEY = "aimill_hr_approval_results";
const RESIGN_ID_KEY = "aimill_hr_my_resign_ids";
const USER_CHANGE_ID_KEY = "aimill_hr_user_change_ids";
const REGULARIZATION_ID_KEY = "aimill_hr_regularization_ids";
const REGULARIZATION_BILL_KEY = "aimill_hr_regularization_bills";
const ONBOARD_MATERIAL_KEY = "aimill_hr_onboard_materials";

/** yyyy-MM-dd HH:mm */
export function formatNow() {
  const d = new Date();
  const pad = (n) => String(n).padStart(2, "0");
  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(
    d.getHours()
  )}:${pad(d.getMinutes())}`;
}

/** 只保留 yyyy-MM-dd */
export function dateOnly(value) {
  if (!value) return "";
  const m = String(value).match(/^(\d{4})[-/](\d{1,2})[-/](\d{1,2})/);
  if (!m) return String(value);
  const pad = (n) => String(n).padStart(2, "0");
  return `${m[1]}-${pad(m[2])}-${pad(m[3])}`;
}

// ============ 我的申请（本地记录） ============
export function getApplications() {
  const saved = uni.getStorageSync(APPLY_KEY);
  return Array.isArray(saved) ? saved : [];
}

export function addApplication(item) {
  const list = getApplications();
  const source = item || {};
  // 调用方已传 id（服务端单据主键）则保留
  const id = source.id ? source.id : Date.now();
  const rest = Object.assign({}, source);
  delete rest.id;
  list.unshift(Object.assign({}, rest, { id, status: "审批中", createdAt: formatNow() }));
  uni.setStorageSync(APPLY_KEY, list);
  return list;
}

// ============ 申请草稿 ============
export function saveDraft(type, form) {
  const drafts = uni.getStorageSync(DRAFT_KEY) || {};
  drafts[type] = Object.assign({}, form, { savedAt: formatNow() });
  uni.setStorageSync(DRAFT_KEY, drafts);
}

export function getDraft(type) {
  const drafts = uni.getStorageSync(DRAFT_KEY) || {};
  return drafts[type] || null;
}

export function removeDraft(type) {
  const drafts = uni.getStorageSync(DRAFT_KEY) || {};
  delete drafts[type];
  uni.setStorageSync(DRAFT_KEY, drafts);
}

// ============ 审批结果缓存 ============
export function getApprovalResults() {
  const saved = uni.getStorageSync(APPROVAL_KEY);
  return saved && typeof saved === "object" ? saved : {};
}

export function setApprovalResult(id, status, comment) {
  const results = getApprovalResults();
  results[id] = { status, comment: comment || "", handledAt: formatNow() };
  uni.setStorageSync(APPROVAL_KEY, results);
  return results[id];
}

// ============ 我已提交的离职单主键（用于详情页回查） ============
export function getMyResignIds() {
  const saved = uni.getStorageSync(RESIGN_ID_KEY);
  return Array.isArray(saved) ? saved.map(String).filter(Boolean) : [];
}

export function rememberResignId(id) {
  const text = id === null || id === undefined ? "" : String(id).trim();
  if (!text) return getMyResignIds();
  const next = [text, ...getMyResignIds().filter((item) => item !== text)].slice(0, 200);
  uni.setStorageSync(RESIGN_ID_KEY, next);
  return next;
}

// ============ 我已提交的人事异动单主键 ============
export function getUserChangeIds() {
  const saved = uni.getStorageSync(USER_CHANGE_ID_KEY);
  return Array.isArray(saved) ? saved.map(String).filter(Boolean) : [];
}

export function rememberUserChangeId(id) {
  const text = id === null || id === undefined ? "" : String(id).trim();
  if (!text) return getUserChangeIds();
  const next = [text, ...getUserChangeIds().filter((item) => item !== text)].slice(0, 200);
  uni.setStorageSync(USER_CHANGE_ID_KEY, next);
  return next;
}

// ============ 试用期员工 → 转正单主键映射 ============
export function loadRegularizationBillMap() {
  const saved = uni.getStorageSync(REGULARIZATION_BILL_KEY);
  return saved && typeof saved === "object" ? saved : {};
}

export function saveRegularizationBillId(userId, billId) {
  const key = userId === null || userId === undefined ? "" : String(userId).trim();
  if (!key || billId === null || billId === undefined || billId === "") {
    return loadRegularizationBillMap();
  }
  const map = loadRegularizationBillMap();
  map[key] = String(billId);
  uni.setStorageSync(REGULARIZATION_BILL_KEY, map);
  return map;
}

export function removeRegularizationBillId(userId) {
  const key = userId === null || userId === undefined ? "" : String(userId).trim();
  if (!key) return loadRegularizationBillMap();
  const map = loadRegularizationBillMap();
  if (key in map) delete map[key];
  uni.setStorageSync(REGULARIZATION_BILL_KEY, map);
  return map;
}

export function getRegularizationIds() {
  const saved = uni.getStorageSync(REGULARIZATION_ID_KEY);
  return Array.isArray(saved) ? saved.map(String).filter(Boolean) : [];
}

export function rememberRegularizationId(id) {
  const text = id === null || id === undefined ? "" : String(id).trim();
  if (!text) return getRegularizationIds();
  const next = [text, ...getRegularizationIds().filter((item) => item !== text)].slice(0, 200);
  uni.setStorageSync(REGULARIZATION_ID_KEY, next);
  return next;
}

// ============ 入职材料（按员工 id 分组，本地缓存已上传附件） ============
function loadOnboardMaterialMap() {
  const saved = uni.getStorageSync(ONBOARD_MATERIAL_KEY);
  return saved && typeof saved === "object" ? saved : {};
}

function persistOnboardMaterialMap(map) {
  uni.setStorageSync(ONBOARD_MATERIAL_KEY, map);
}

export function getOnboardMaterials(employeeId) {
  const map = loadOnboardMaterialMap();
  const bucket = map[String(employeeId)];
  return bucket && typeof bucket === "object" ? bucket : {};
}

export function addOnboardMaterial(employeeId, materialKey, file) {
  const key = String(employeeId);
  const map = loadOnboardMaterialMap();
  const bucket = Object.assign({}, map[key] || {});
  const list = Array.isArray(bucket[materialKey]) ? bucket[materialKey].slice() : [];
  const id =
    (file && file.id != null && String(file.id)) ||
    `mat_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`;
  list.push(
    Object.assign({}, file, {
      id,
      name: (file && file.name) || `材料_${list.length + 1}`,
      uploadedAt: formatNow(),
    })
  );
  bucket[materialKey] = list;
  map[key] = bucket;
  persistOnboardMaterialMap(map);
  return bucket;
}

export function removeOnboardMaterial(employeeId, materialKey, fileId) {
  const key = String(employeeId);
  const map = loadOnboardMaterialMap();
  const bucket = Object.assign({}, map[key] || {});
  const list = Array.isArray(bucket[materialKey]) ? bucket[materialKey] : [];
  bucket[materialKey] = list.filter((item) => String(item.id) !== String(fileId));
  map[key] = bucket;
  persistOnboardMaterialMap(map);
  return bucket;
}

export function renameOnboardMaterial(employeeId, materialKey, fileId, name) {
  const key = String(employeeId);
  const map = loadOnboardMaterialMap();
  const bucket = Object.assign({}, map[key] || {});
  const list = Array.isArray(bucket[materialKey]) ? bucket[materialKey] : [];
  bucket[materialKey] = list.map((item) =>
    String(item.id) === String(fileId) ? Object.assign({}, item, { name }) : item
  );
  map[key] = bucket;
  persistOnboardMaterialMap(map);
  return bucket;
}