import { Connect } from "@cqsjjb/jjb-dva-runtime";
import { Button, Descriptions, Form, Input, message, Modal, Select, Space, Typography } from "antd";
import { useEffect, useState } from "react";
import Page from "zy-react-library/components/Page";
import Search from "zy-react-library/components/Search";
import Table from "zy-react-library/components/Table";
import useTable from "zy-react-library/hooks/useTable";
import { NS_STAFF_CHANGE_LOG, NS_STAFF_INFO } from "~/enumerate/namespace";
import { safeListRequest, safeRequest } from "~/utils";
import { CHANGE_COUNT_STYLE, formSelectField, getChangeCount, getEmploymentStatusLabel, getResignAuditStatusLabel } from "~/utils/enterpriseForm";
import PageHeader from "../components/PageHeader";

const EMPLOYMENT_STATUS = { 1: "在职", 2: "离职" };
const RESIGN_AUDIT_STATUS = { 0: "未审核", 1: "已审核", 2: "已退回" };
const SEARCH_COL = { xs: 24, sm: 12, md: 8, lg: 6 };

function PersonnelChangePage(props) {
  const [viewMode, setViewMode] = useState("list");
  const [selectedStaff, setSelectedStaff] = useState(null);
  const [auditModalOpen, setAuditModalOpen] = useState(false);
  const [viewResignOpen, setViewResignOpen] = useState(false);
  const [resignInfo, setResignInfo] = useState({});
  const [rejectReason, setRejectReason] = useState("");
  const [searchForm] = Form.useForm();
  const [logForm] = Form.useForm();

  const { tableProps, getData } = useTable(safeListRequest(props.staffChangeLogStaffList), {
    form: searchForm,
  });

  const { tableProps: logTableProps, getData: getLogData } = useTable(
    safeListRequest(props.staffChangeLogList),
    {
      form: logForm,
      transform: () => ({ eqStaffId: selectedStaff?.staffId }),
    },
  );

  useEffect(() => {
    getData();
  }, []);

  useEffect(() => {
    if (viewMode === "log" && selectedStaff?.staffId) {
      getLogData();
    }
  }, [viewMode, selectedStaff?.staffId]);

  const onDelete = (record) => {
    Modal.confirm({
      title: "提示",
      content: "数据将会删除，您是否确认删除？",
      okText: "是",
      cancelText: "否",
      onOk: async () => {
        const res = await props.staffInfoRemove?.({ id: record.staffId || record.id });
        if (res?.success !== false) {
          message.success("删除成功");
          getData();
        }
        else {
          message.error(res?.message || "删除失败");
        }
      },
    });
  };

  const openResignAudit = async (record) => {
    try {
      const res = await safeRequest(props.staffResignationInfo, { id: record.resignApplyId });
      setResignInfo(res?.data || {});
      setSelectedStaff(record);
      setRejectReason("");
      setAuditModalOpen(true);
    }
    catch (err) {
      console.warn("[PersonnelChange] openResignAudit failed:", err);
      message.error("获取离职申请详情失败");
    }
  };

  const openResignView = async (record) => {
    try {
      const res = await safeRequest(props.staffResignationInfo, { id: record.resignApplyId });
      setResignInfo(res?.data || {});
      setViewResignOpen(true);
    }
    catch (err) {
      console.warn("[PersonnelChange] openResignView failed:", err);
      message.error("获取离职申请详情失败");
    }
  };

  const submitAudit = async (passed) => {
    if (!passed && !rejectReason?.trim()) {
      message.warning("请填写退回原因");
      return;
    }
    try {
      const res = await props.staffResignationAudit({
        id: resignInfo.id,
        auditStatus: passed ? 1 : 2,
        rejectReason: passed ? undefined : rejectReason,
      });
      if (res?.success !== false) {
        message.success(passed ? "审核通过" : "已退回");
        setAuditModalOpen(false);
        getData();
      }
      else {
        message.error(res?.message || "审核操作失败");
      }
    }
    catch (err) {
      console.warn("[PersonnelChange] submitAudit failed:", err);
      message.error("审核操作失败");
    }
  };

  if (viewMode === "log") {
    return (
      <Page isShowAllAction={false}>
        <PageHeader title="人员变更次数" />
        <Button style={{ marginBottom: 16 }} onClick={() => setViewMode("list")}>返回</Button>
        <div style={{ marginBottom: 8 }}>
          人员：
          {selectedStaff?.staffName}
        </div>
        <Table
          columns={[
            { title: "变更事项", dataIndex: "changeItem" },
            { title: "变更时间", dataIndex: "changeTime" },
            { title: "操作人", dataIndex: "createBy" },
          ]}
          {...logTableProps}
        />
      </Page>
    );
  }

  return (
    <Page isShowAllAction={false}>
      <PageHeader
        title="人员变更管理"
        subTitle="机构管理员在人员信息管理页面进行相应的修改操作"
      />
      <Search
        form={searchForm}
        options={[
          { name: "likeAccount", label: "账户", placeholder: "请输入账户", colProps: SEARCH_COL },
          { name: "likeStaffName", label: "姓名", placeholder: "请输入姓名", colProps: SEARCH_COL },
          formSelectField(
            "employmentStatus",
            "就职状态",
            Object.entries(EMPLOYMENT_STATUS).map(([value, label]) => ({ label, value: Number(value) })),
            { colProps: SEARCH_COL },
          ),
          formSelectField(
            "resignAuditStatus",
            "复核状态",
            Object.entries(RESIGN_AUDIT_STATUS).map(([value, label]) => ({ label, value: Number(value) })),
            { colProps: SEARCH_COL, placeholder: "请选择复核状态" },
          ),
        ]}
        onFinish={getData}
      />
      <Table
        columns={[
          { title: "账户", dataIndex: "account", width: 130 },
          { title: "姓名", dataIndex: "staffName", width: 100 },
          { title: "部门", dataIndex: "deptName", width: 120 },
          {
            title: "信息变更数",
            dataIndex: "changeCount",
            width: 110,
            render: (_, record) => {
              const n = getChangeCount(record);
              const style = n > 0 ? CHANGE_COUNT_STYLE.active : CHANGE_COUNT_STYLE.zero;
              if (n <= 0) {
                return <span style={style}>{n}</span>;
              }
              return (
                <Typography.Link
                  style={style}
                  onClick={() => {
                    setSelectedStaff(record);
                    setViewMode("log");
                  }}
                >
                  {n}
                </Typography.Link>
              );
            },
          },
          {
            title: "就职状态",
            dataIndex: "employmentStatusName",
            width: 90,
            render: (_, record) => getEmploymentStatusLabel(record),
          },
          {
            title: "离职申请审核状态",
            dataIndex: "resignAuditStatus",
            width: 140,
            render: (_, record) => getResignAuditStatusLabel(record),
          },
          {
            title: "操作",
            width: 220,
            fixed: "right",
            render: (_, record) => (
              <Space>
                <Button type="link" style={{ padding: 0 }} onClick={() => openResignView(record)}>查看</Button>
                {record.resignApplyId && Number(record.resignAuditStatus) === 0 && (
                  <Button type="link" style={{ padding: 0 }} onClick={() => openResignAudit(record)}>离职审核</Button>
                )}
                <Button danger type="link" style={{ padding: 0 }} onClick={() => onDelete(record)}>删除</Button>
              </Space>
            ),
          },
        ]}
        {...tableProps}
      />

      <Modal
        open={auditModalOpen}
        destroyOnClose
        title="审核离职申请"
        width={720}
        footer={(
          <Space>
            <Button onClick={() => setAuditModalOpen(false)}>取消</Button>
            <Button danger onClick={() => submitAudit(false)}>退回</Button>
            <Button type="primary" onClick={() => submitAudit(true)}>通过</Button>
          </Space>
        )}
        onCancel={() => setAuditModalOpen(false)}
      >
        <Descriptions bordered column={1} labelStyle={{ width: 120 }}>
          <Descriptions.Item label="申请人">{resignInfo.applicantName}</Descriptions.Item>
          <Descriptions.Item label="申请时间">{resignInfo.applyTime}</Descriptions.Item>
          <Descriptions.Item label="预计离职日期">{resignInfo.expectedLeaveDate}</Descriptions.Item>
          <Descriptions.Item label="离职原因">{resignInfo.leaveReason}</Descriptions.Item>
          <Descriptions.Item label="备注">{resignInfo.remark}</Descriptions.Item>
        </Descriptions>
        <Form.Item label="退回原因" style={{ marginTop: 16 }}>
          <Input.TextArea rows={3} value={rejectReason} onChange={(e) => setRejectReason(e.target.value)} />
        </Form.Item>
      </Modal>

      <Modal
        open={viewResignOpen}
        destroyOnClose
        title="查看离职申请"
        width={720}
        cancelText="返回"
        okButtonProps={{ style: { display: "none" } }}
        onCancel={() => setViewResignOpen(false)}
      >
        <Descriptions bordered column={1} labelStyle={{ width: 120 }}>
          <Descriptions.Item label="申请人">{resignInfo.applicantName}</Descriptions.Item>
          <Descriptions.Item label="申请时间">{resignInfo.applyTime}</Descriptions.Item>
          <Descriptions.Item label="预计离职日期">{resignInfo.expectedLeaveDate}</Descriptions.Item>
          <Descriptions.Item label="离职原因">{resignInfo.leaveReason}</Descriptions.Item>
          <Descriptions.Item label="备注">{resignInfo.remark}</Descriptions.Item>
        </Descriptions>
      </Modal>
    </Page>
  );
}

export default Connect([NS_STAFF_CHANGE_LOG, NS_STAFF_INFO], true)(PersonnelChangePage);