import {
  createEmptyForm,
  normalizeEnterpriseNewsStatus,
  publishStatusLabel,
  publishStatusTag,
} from "./enterpriseNewsUtils.js";

/** formPayload 中存放完整企业新闻业务数据的键（审批实例保存用） */
export const ENTERPRISE_NEWS_PAYLOAD_KEY = "enterpriseNews";

const READ_SCOPE_FROM_API = {
  all: "all",
  dept: "department",
  department: "department",
  custom: "custom",
  management: "management",
};

const READ_SCOPE_TO_API = {
  all: "all",
  department: "dept",
  dept: "dept",
  custom: "custom",
  management: "all",
};

export function mapReadScopeFromApi(scope) {
  const key = String(scope ?? "").trim().toLowerCase();
  return READ_SCOPE_FROM_API[key] || key || "all";
}

export function mapReadScopeToApi(scope) {
  return READ_SCOPE_TO_API[scope] || scope || "all";
}

export function unwrapEnterpriseNewsPage(res) {
  const data = res?.data ?? res;
  if (!data || typeof data !== "object") {
    return { records: [], total: 0 };
  }
  if (Array.isArray(data.records)) {
    return { records: data.records, total: Number(data.total ?? 0) };
  }
  const nested = data.data;
  if (nested && typeof nested === "object" && Array.isArray(nested.records)) {
    return { records: nested.records, total: Number(nested.total ?? 0) };
  }
  return { records: [], total: 0 };
}

/** 组装 listPage 查询参数 */
export function buildEnterpriseNewsListParams({ page, searchForm }) {
  const params = {
    current: page.current,
    size: page.size,
  };
  const kw = (searchForm?.keyword || "").trim();
  if (kw) params.title = kw;
  if (searchForm?.newsType) params.category = searchForm.newsType;
  if (searchForm?.status) params.status = searchForm.status;
  const range = searchForm?.createTimeRange;
  if (Array.isArray(range) && range[0]) {
    params.createTimeStart = range[0];
  }
  if (Array.isArray(range) && range[1]) {
    params.createTimeEnd = range[1];
  }
  return params;
}

/** 接口 EnterpriseNewsVo → 列表行 */
export function mapEnterpriseNewsFromApi(row) {
  if (!row) return {};
  const newsStatus = normalizeEnterpriseNewsStatus(row.status);
  return {
    ...row,
    newsNo: row.id != null ? String(row.id) : "—",
    newsType: row.category || "",
    contentHtml: row.content || "",
    publisherName: row.createUserName || "—",
    publishTime: row.createTime || "",
    updateTime: row.updateTime || "",
    newsStatus,
    requireReadConfirm: row.isRequired === "1" || row.isRequired === 1,
    readScope: mapReadScopeFromApi(row.readScope),
    readCount: row.readCount ?? 0,
    requiredReadCount: row.requiredReadCount ?? 0,
  };
}

/** 是否允许修改（草稿、驳回可改） */
export function canEditEnterpriseNewsRow(row) {
  const status = normalizeEnterpriseNewsStatus(row?.newsStatus ?? row?.status);
  return status === "DRAFT" || status === "REJECTED";
}

/** 接口行 / 详情 → 表单 */
export function mapApiRowToNewsForm(row) {
  if (!row) return createEmptyForm();
  return {
    ...createEmptyForm(),
    id: row.id != null ? String(row.id) : "",
    newsNo: row.id != null ? String(row.id) : "",
    title: row.title || "",
    summary: row.summary || "",
    contentHtml: row.content || row.contentHtml || "",
    newsType: row.newsType || row.category || "announcement",
    readScope: mapReadScopeFromApi(row.readScope),
    requireReadConfirm: Boolean(row.requireReadConfirm ?? row.isRequired === "1"),
    publisherName: row.createUserName || row.publisherName || "",
    publishStatus: normalizeEnterpriseNewsStatus(row.newsStatus ?? row.status),
    templateId: row.templateId,
    templateName: row.templateName || "",
    targetDeptIds: [...(row.deptIds || row.targetDeptIds || [])],
    targetUserIds: [...(row.userIds || row.targetUserIds || [])],
  };
}

/** 审批实例行 formPayload → 表单（兼容旧数据） */
export function extractEnterpriseNewsFromRow(row) {
  if (!row?.formPayload && !row?.formFieldDefs && !row?.instanceNo) {
    return mapApiRowToNewsForm(row);
  }
  const payload = row?.formPayload || {};
  const raw = payload[ENTERPRISE_NEWS_PAYLOAD_KEY];
  if (raw && typeof raw === "object") {
    return { ...createEmptyForm(), ...raw };
  }
  return {
    ...createEmptyForm(),
    title: payload.title || row?.title || "",
    summary: payload.summary || "",
    newsType: payload.newsType || row?.category || "announcement",
    contentHtml: payload.contentHtml || row?.content || "",
  };
}

export function syncNewsFormToSubmitPayload(newsForm, submitForm) {
  const snapshot = JSON.parse(JSON.stringify(newsForm));
  submitForm.formPayload = {
    ...(submitForm.formPayload || {}),
    [ENTERPRISE_NEWS_PAYLOAD_KEY]: snapshot,
    title: snapshot.title,
    summary: snapshot.summary,
  };
}

function toIdList(ids) {
  if (!Array.isArray(ids) || !ids.length) return undefined;
  const list = ids
    .map((id) => (typeof id === "number" ? id : Number(id)))
    .filter((n) => !Number.isNaN(n));
  return list.length ? list : undefined;
}

/** 表单 → POST /enterpriseNews/save 请求体 */
export function buildEnterpriseNewsSaveDto(newsForm, { status } = {}) {
  const dto = {
    title: (newsForm.title || "").trim(),
    summary: newsForm.summary || "",
    content: newsForm.contentHtml || "",
    category: newsForm.newsType || "",
    readScope: mapReadScopeToApi(newsForm.readScope),
    isRequired: newsForm.requireReadConfirm ? "1" : "0",
    status: normalizeEnterpriseNewsStatus(status ?? newsForm.publishStatus),
  };

  const rawId = newsForm.id;
  if (rawId != null && rawId !== "") {
    const id = Number(rawId);
    if (!Number.isNaN(id)) dto.id = id;
  }

  const deptIds = toIdList(newsForm.targetDeptIds);
  if (deptIds) dto.deptIds = deptIds;

  const userIds = toIdList(newsForm.targetUserIds);
  if (userIds) dto.userIds = userIds;

  const templateId = newsForm.templateId;
  if (templateId != null && templateId !== "") {
    const tid = Number(templateId);
    if (!Number.isNaN(tid)) dto.templateId = tid;
  }
  if (newsForm.templateName) dto.templateName = newsForm.templateName;

  return dto;
}

export function buildEnterpriseNewsTableColumns(buildTableActions) {
  return [
    { label: "编号", prop: "newsNo", width: 120 },
    { label: "标题", prop: "title", minWidth: 180, showOverflowTooltip: true },
    {
      label: "分类",
      prop: "newsType",
      width: 100,
      dataType: "slot",
      slot: "newsType",
    },
    {
      label: "状态",
      prop: "newsStatus",
      width: 100,
      dataType: "tag",
      formatData: (v) => publishStatusLabel(v),
      formatType: (v) => publishStatusTag(v),
    },
    { label: "创建人", prop: "publisherName", width: 110 },
    { label: "创建时间", prop: "createTime", width: 170 },
    { label: "更新时间", prop: "updateTime", width: 170 },
    {
      dataType: "action",
      label: "操作",
      align: "center",
      fixed: "right",
      width: 220,
      operation: buildTableActions(),
    },
  ];
}