import { Button, Card, Form, Spin, Table, Tabs, Tag, message } from "antd";
import { useEffect, useMemo, useState } from "react";
import FormBuilder from "zy-react-library/components/FormBuilder";
import PageLayout from "@cqsjjb/jjb-react-admin-component/PageLayout";
import FilePreviewModal from "~/components/FilePreviewModal";
import {
  fetchRegisteredOrgDetail,
  fetchRegisteredOrgPersonnelList,
  fetchRegisteredOrgQualificationGroups,
} from "~/utils/regulatorOrgInfo";
import { buildOrgInfoFormOptions } from "../../../../EnterpriseInfo/OrgInfo/formOptions";
import StaffViewModal from "~/components/StaffViewModal";

const LIST_PATH = "/container/supervision/basicInfo/registeredOrg/list";
const ORG_INFO_FORM_OPTIONS = buildOrgInfoFormOptions();
const GENDER_MAP = { 1: "男", 2: "女" };

/** 后端字段名 → 前端表单字段名映射 */
const BACKEND_TO_FORM_FIELD = {
  unitName: "orgName",
  creditCode: "creditCode",
  safetyIndustryCategoryName: "safetyIndustryCategory",
  districtName: "regionCountyName",
  townStreet: "regionStreetName",
  villageCommunity: "regionCommunityName",
  longitude: "longitude",
  latitude: "latitude",
  registerAddress: "registerAddress",
  businessAddress: "businessAddress",
  ownershipTypeName: "ownershipType",
  economyIndustryCode: "gbIndustryCode",
  legalRepresentative: "legalRepresentative",
  legalRepresentativePhone: "legalRepPhone",
  principalName: "principal",
  principalPhone: "principalPhone",
  safetyDeptManager: "safetyDeptHead",
  safetyDeptManagerPhone: "safetyDeptPhone",
  safetyDeputyPhone: "safetyVpPhone",
  productionDate: "productionDate",
  businessStatusName: "businessStatus",
  infoDisclosureUrl: "disclosureUrl",
  workplaceArea: "workplaceArea",
  archiveRoomArea: "archiveRoomArea",
  fulltimeEvaluatorCount: "fullTimeEvaluatorCount",
  registeredEngineerCount: "registeredSafetyEngineerCount",
  enterpriseStatusName: "enterpriseStatus",
  enterpriseScaleName: "enterpriseScale",
  filingTypeName: "filingType",
  filingRecordStatusName: "filingRecordStatus",
  attachments: "attachments",
};

function toFormFields(backendData) {
  if (!backendData) return {};
  const result = {};
  Object.entries(BACKEND_TO_FORM_FIELD).forEach(([backendKey, formKey]) => {
    if (backendData[backendKey] !== undefined) {
      result[formKey] = backendData[backendKey];
    }
  });
  return result;
}

function parseQueryId(location) {
  const search = location?.search || window.location.search || "";
  return new URLSearchParams(search).get("id");
}

function resolvePreviewUrl(raw) {
  if (!raw) return "";
  const u = String(raw);
  if (/^https?:\/\//i.test(u)) return u;
  const base = window.fileUrl || "";
  return base ? `${base}${u}` : u;
}

function isImageUrl(url) {
  return /\.(jpe?g|png|gif|webp|bmp)(\?|#|$)/i.test(String(url || "").toLowerCase());
}

function MaterialsTab({ materialGroups, loading, onPreview }) {
  if (loading) {
    return <Spin />;
  }
  const groups = Object.entries(materialGroups || {}).map(([code, list], index) => {
    const items = Array.isArray(list) ? list : [];
    const scopeName = items[0]?.licenseTypeName || code || `资质${index + 1}`;
    const expireDate = items.reduce((latest, item) => {
      const d = item.validEndDate;
      if (!d) return latest;
      return !latest || d > latest ? d : latest;
    }, "");
    const expireWarning = expireDate
      ? (() => {
          const end = new Date(String(expireDate).replace(/-/g, "/"));
          if (Number.isNaN(end.getTime())) return false;
          const diff = end.getTime() - Date.now();
          return diff > 0 && diff < 90 * 24 * 3600 * 1000;
        })()
      : false;
    return {
      id: code || String(index),
      scopeName,
      expireDate: expireDate || "-",
      expireWarning,
      materials: items.map((item, idx) => {
        const certImgs = item.certImageUrl
          ? (Array.isArray(item.certImageUrl)
              ? item.certImageUrl
              : String(item.certImageUrl).startsWith("[")
                ? (() => { try { return JSON.parse(item.certImageUrl); } catch { return [{ url: item.certImageUrl }]; } })()
                : [{ url: item.certImageUrl }])
          : item.certImgFiles || [];
        const previewUrl = certImgs[0]?.url || "";
        return {
          id: item.id || `${code}-${idx}`,
          name: item.certName || item.licenseTypeName || "-",
          required: true,
          status: previewUrl ? "uploaded" : "pending",
          previewUrl,
          raw: item,
        };
      }),
    };
  });
  return (
    <div>
      <div style={{ marginBottom: 12, color: "rgba(0,0,0,0.45)" }}>
        该机构共申请
        <strong>{groups.length}</strong>
        个业务范围资质，以下为各范围对应的申请材料清单
      </div>
      {groups.map((group) => (
        <Card
          key={group.id}
          size="small"
          style={{ marginBottom: 16 }}
          title={`业务范围：${group.scopeName}`}
          extra={(
            <span style={{ fontSize: 12 }}>
              证书有效期：
              <span style={{ color: group.expireWarning ? "#faad14" : "#52c41a", fontWeight: 500 }}>
                {group.expireDate}
                {group.expireWarning ? "（即将到期）" : ""}
              </span>
            </span>
          )}
        >
          <Table
            size="small"
            bordered
            rowKey="id"
            pagination={false}
            dataSource={group.materials}
            columns={[
              { title: "材料名称", dataIndex: "name" },
              {
                title: "操作",
                width: 80,
                render: (_, record) => (
                  <Button type="link" size="small" onClick={() => onPreview(record)}>预览</Button>
                ),
              },
            ]}
          />
        </Card>
      ))}
    </div>
  );
}

function PersonnelTab({ personnel, loading, onView }) {
  if (loading) {
    return <Spin />;
  }
  return (
    <Table
      size="small"
      bordered
      rowKey="id"
      pagination={false}
      dataSource={personnel}
      columns={[
        { title: "序号", width: 60, render: (_, __, index) => index + 1 },
        { title: "姓名", dataIndex: "userName", width: 90 },
        { title: "性别", width: 60, render: (_, record) => GENDER_MAP[record.genderCode] || "-" },
        { title: "岗位", dataIndex: "postName", width: 110 },
        { title: "资质范围", dataIndex: "qualScope", width: 90 },
        { title: "学历", dataIndex: "educationName", width: 80 },
        {
          title: "注册安全工程师",
          width: 120,
          render: (_, record) => (
            <Tag color={record.registerEngineerFlag === 1 ? "success" : "error"}>
              {record.registerEngineerFlag === 1 ? "是" : "否"}
            </Tag>
          ),
        },
        {
          title: "操作",
          width: 80,
          render: (_, record) => (
            <Button type="link" size="small" onClick={() => onView(record)}>查看</Button>
          ),
        },
      ]}
    />
  );
}

function RegisteredOrgDetailPage(props) {
  const id = useMemo(() => parseQueryId(props.location), [props.location?.search]);
  const [form] = Form.useForm();
  const [orgLoading, setOrgLoading] = useState(Boolean(parseQueryId(props.location)));
  const [extrasLoading, setExtrasLoading] = useState(Boolean(parseQueryId(props.location)));
  const [orgName, setOrgName] = useState("");
  const [materialGroups, setMaterialGroups] = useState({});
  const [personnel, setPersonnel] = useState([]);
  const [filePreview, setFilePreview] = useState(null);
  const [viewPersonnelId, setViewPersonnelId] = useState("");

  useEffect(() => {
    if (!id) {
      setOrgLoading(false);
      setExtrasLoading(false);
      return;
    }

    let cancelled = false;
    setOrgLoading(true);
    setExtrasLoading(true);

    (async () => {
      try {
        const [orgRes, groups, staffList] = await Promise.all([
          fetchRegisteredOrgDetail(id),
          fetchRegisteredOrgQualificationGroups(id).catch((err) => {
            console.warn("[RegisteredOrgDetail] qualification load failed:", err);
           
            return { data: {} };
          }),
          fetchRegisteredOrgPersonnelList(id).catch((err) => {
            console.warn("[RegisteredOrgDetail] personnel load failed:", err);
           
            return [];
          }),
        ]);
        if (cancelled) {
          return;
        }
        if (orgRes?.data) {
          form.setFieldsValue(toFormFields(orgRes.data));
          setOrgName(orgRes.data.unitName || "");
        }
        setMaterialGroups(groups?.data || {});
        setPersonnel(staffList || []);
      }
      catch (err) {
        if (!cancelled) {
          console.warn("[RegisteredOrgDetail] load failed:", err);
          message.error("加载机构详情失败");
        }
      }
      finally {
        if (!cancelled) {
          setOrgLoading(false);
          setExtrasLoading(false);
        }
      }
    })();

    return () => {
      cancelled = true;
    };
  }, [id]);

  const goBack = () => {
    if (props.history?.goBack && props.history.length > 1) {
      props.history.goBack();
      return;
    }
    if (props.history?.push) {
      props.history.push(LIST_PATH);
      return;
    }
    window.location.href = `/certificate${LIST_PATH}`;
  };

  if (!id) {
    return (
      <PageLayout title="备案信息详情" extra={<Button onClick={goBack}>返回</Button>}>
        <p style={{ margin: 0, marginBottom: 24, color: "rgba(0, 0, 0, 0.45)" }}>
          缺少机构 ID 参数
        </p>
      </PageLayout>
    );
  }

  const tabItems = [
    {
      key: "info",
      label: "备案信息",
      children: (
        <Spin spinning={orgLoading}>
          <FormBuilder
            form={form}
            span={12}
            disabled
            useAutoGenerateRequired={false}
            options={ORG_INFO_FORM_OPTIONS}
            labelCol={{ span: 10 }}
            showActionButtons={false}
          />
        </Spin>
      ),
    },
    {
      key: "materials",
      label: "申请清单材料",
      children: (
        <MaterialsTab
          materialGroups={materialGroups}
          loading={extrasLoading}
          onPreview={(record) => {
            const url = resolvePreviewUrl(record?.previewUrl);
            if (!url) {
              message.warning("该材料暂无可预览的附件");
              return;
            }
            if (isImageUrl(url)) {
              setFilePreview(record);
            } else {
              window.open(url, "_blank");
            }
          }}
        />
      ),
    },
    {
      key: "personnel",
      label: "人员信息",
      children: (
        <PersonnelTab
          personnel={personnel}
          loading={extrasLoading}
          onView={(record) => setViewPersonnelId(record.id)}
        />
      ),
    },
  ];

  return (
    <PageLayout title="备案信息详情"  history={props.history} previous>
      <p style={{ margin: 0, marginBottom: 24, color: "rgba(0, 0, 0, 0.45)" }}>
        {orgName || undefined}
      </p>
      <Tabs items={tabItems} />

      <FilePreviewModal
        open={!!filePreview}
        title="文件预览"
        fileName={filePreview?.name}
        url={resolvePreviewUrl(filePreview?.previewUrl)}
        onCancel={() => setFilePreview(null)}
      />

      {viewPersonnelId && (
        <StaffViewModal
          open={!!viewPersonnelId}
          currentId={viewPersonnelId}
         
          onCancel={() => setViewPersonnelId("")}
        />
      )}
    </PageLayout>
  );
}

export default RegisteredOrgDetailPage;