import { Connect } from "@cqsjjb/jjb-dva-runtime";
import { Button, DatePicker, Descriptions, Form, Input, message, Modal, Select } from "antd";
import { useEffect, useState } from "react";
import AddIcon from "zy-react-library/components/Icon/AddIcon";
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 Upload from "zy-react-library/components/Upload";
import useTable from "zy-react-library/hooks/useTable";
import { asId } from "~/api/enterpriseInfo/idUtil";
import { NS_STAFF_INFO, NS_STAFF_RESIGNATION_APPLY } from "~/enumerate/namespace";
import { safeListRequest, safeRequest } from "~/utils";
import { formSelectField, getResignAuditStatusLabel } from "~/utils/enterpriseForm";
import { DEFAULT_UPLOAD_FILE_URL, mockUploadFileList, resolveUploadFileId } from "~/utils/mockUpload";
import PageHeader from "../components/PageHeader";

const RESIGN_AUDIT_STATUS = { 0: "未审核", 1: "已审核", 2: "已退回" };

function ResignationApplyPage(props) {
  const [addModalOpen, setAddModalOpen] = useState(false);
  const [viewModalOpen, setViewModalOpen] = useState(false);
  const [currentId, setCurrentId] = useState("");
  const [staffOptions, setStaffOptions] = useState([]);
  const [searchForm] = Form.useForm();

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

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

  useEffect(() => {
    let cancelled = false;
    props.staffInfoList?.({ pageIndex: 1, pageSize: 500 }).then((res) => {
      if (!cancelled) {
        setStaffOptions((res?.data || []).map((s) => ({
          label: `${s.staffName}（${s.account}）`,
          value: asId(s.id),
          staffName: s.staffName,
          account: s.account,
        })));
      }
    }).catch((err) => {
      console.warn("[ResignationApply] load staff options failed:", err);
    });
    return () => {
      cancelled = true;
    };
  }, []);

  return (
    <Page isShowAllAction={false}>
      <PageHeader
        title="人员离职申请"
        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: "likeStaffName", label: "姓名", placeholder: "请输入姓名", colProps: { xs: 24, sm: 12, md: 8, lg: 6 } },
          formSelectField(
            "auditStatus",
            "离职申请审核状态",
            Object.entries(RESIGN_AUDIT_STATUS).map(([value, label]) => ({ label, value: Number(value) })),
            { colProps: { xs: 24, sm: 12, md: 8, lg: 8 }, placeholder: "请选择审核状态" },
          ),
        ]}
        onFinish={getData}
      />
      <Table
        toolBarRender={() => (
          <Button
            type="primary"
            icon={<AddIcon />}
            onClick={() => {
              setCurrentId("");
              setAddModalOpen(true);
            }}
          >
            新增离职申请
          </Button>
        )}
        columns={[
          { title: "账户", dataIndex: "account" },
          { title: "姓名", dataIndex: "applicantName" },
          { title: "部门", dataIndex: "deptName" },
          { title: "申请时间", dataIndex: "applyTime" },
          {
            title: "离职申请审核状态",
            dataIndex: "auditStatus",
            render: (_, record) => getResignAuditStatusLabel(record),
          },
          {
            title: "操作",
            width: 100,
            render: (_, record) => (
              <Button
                type="link"
                onClick={() => {
                  setCurrentId(asId(record.id));
                  setViewModalOpen(true);
                }}
              >
                查看
              </Button>
            ),
          },
        ]}
        {...tableProps}
      />

      {addModalOpen && (
        <AddModal
          open={addModalOpen}
          staffOptions={staffOptions}
          requestAdd={props.staffResignationApplyAdd}
          onCancel={() => setAddModalOpen(false)}
          onSuccess={getData}
        />
      )}
      {viewModalOpen && (
        <ViewModal
          open={viewModalOpen}
          currentId={currentId}
          requestDetails={props.staffResignationApplyInfo}
          onCancel={() => {
            setViewModalOpen(false);
            setCurrentId("");
          }}
        />
      )}
    </Page>
  );
}

function AddModal({ open, staffOptions, requestAdd, onCancel, onSuccess }) {
  const [form] = Form.useForm();
  const [submitting, setSubmitting] = useState(false);

  const handleCancel = () => {
    form.resetFields();
    onCancel();
  };

  const onApplicantChange = (personnelId) => {
    const staff = staffOptions.find((s) => String(s.value) === String(personnelId));
    form.setFieldsValue({
      applicantName: staff?.staffName || "",
    });
  };

  const handleSubmit = async (values) => {
    try {
      setSubmitting(true);
      values.attachmentId = resolveUploadFileId(values.resignReport);
      const res = await requestAdd(values);
      if (res?.success !== false) {
        message.success("提交成功");
        handleCancel();
        onSuccess();
      }
      else {
        message.error(res?.message || "提交失败");
      }
    }
    finally {
      setSubmitting(false);
    }
  };

  return (
    <Modal
      open={open}
      destroyOnClose
      title="添加离职申请"
      width={720}
      confirmLoading={submitting}
      onCancel={handleCancel}
      onOk={form.submit}
    >
      <Form form={form} layout="vertical" onFinish={handleSubmit}>
        <Form.Item
          name="personnelId"
          label="申请人"
          rules={[{ required: true, message: "请选择申请人" }]}
        >
          <Select
            showSearch
            placeholder="请选择申请人"
            options={staffOptions}
            optionFilterProp="label"
            onChange={onApplicantChange}
          />
        </Form.Item>
        <Form.Item name="applicantName" hidden>
          <Input />
        </Form.Item>
        <Form.Item
          name="applyTime"
          label="申请时间"
          rules={[{ required: true, message: "请选择申请时间" }]}
        >
          <DatePicker showTime style={{ width: "100%" }} />
        </Form.Item>
        <Form.Item
          name="expectedLeaveDate"
          label="预计离职日期"
          rules={[{ required: true, message: "请选择预计离职日期" }]}
        >
          <DatePicker style={{ width: "100%" }} />
        </Form.Item>
        <Form.Item
          name="leaveReason"
          label="离职原因"
          rules={[{ required: true, message: "请输入离职原因" }]}
        >
          <Input.TextArea rows={3} placeholder="请输入离职原因" />
        </Form.Item>
        <Form.Item name="remark" label="备注">
          <Input.TextArea rows={2} placeholder="请输入备注" />
        </Form.Item>
        <Form.Item
          name="resignReport"
          label="离职通知报告"
          rules={[{ required: true, message: "请上传离职通知报告" }]}
          valuePropName="fileList"
          getValueFromEvent={(e) => e?.fileList}
          initialValue={mockUploadFileList("离职通知报告.pdf")}
        >
          <Upload
            accept=".pdf"
            maxCount={1}
            tip="联调阶段默认通过，使用固定文件地址"
          />
        </Form.Item>
      </Form>
    </Modal>
  );
}

function ViewModal({ open, currentId, requestDetails, onCancel }) {
  const [info, setInfo] = useState({});
  const [detailLoading, setDetailLoading] = useState(false);

  useEffect(() => {
    if (!open || !currentId) {
      setInfo({});
      return;
    }
    let cancelled = false;
    setDetailLoading(true);
    safeRequest(requestDetails, { id: currentId }).then((res) => {
      if (!cancelled) {
        const data = res?.data || {};
        setInfo({
          ...data,
          resignReport: data.attachmentId
            ? [{ name: "离职通知报告.pdf", fileName: "离职通知报告.pdf", url: data.attachmentId || DEFAULT_UPLOAD_FILE_URL }]
            : [],
        });
      }
    }).finally(() => {
      if (!cancelled) {
        setDetailLoading(false);
      }
    });
    return () => {
      cancelled = true;
    };
  }, [open, currentId]);

  return (
    <Modal
      open={open}
      destroyOnClose
      title="查看离职申请"
      width={720}
      loading={detailLoading}
      cancelText="返回"
      okButtonProps={{ style: { display: "none" } }}
      onCancel={onCancel}
    >
      <Descriptions bordered column={1} labelStyle={{ width: 120 }}>
        <Descriptions.Item label="申请人">{info.applicantName}</Descriptions.Item>
        <Descriptions.Item label="申请时间">{info.applyTime}</Descriptions.Item>
        <Descriptions.Item label="预计离职日期">{info.expectedLeaveDate}</Descriptions.Item>
        <Descriptions.Item label="离职原因">{info.leaveReason}</Descriptions.Item>
        <Descriptions.Item label="备注">{info.remark}</Descriptions.Item>
        <Descriptions.Item label="离职通知报告">
          {info.resignReport?.[0]?.fileName || info.resignReport?.[0]?.name || "-"}
        </Descriptions.Item>
      </Descriptions>
    </Modal>
  );
}

export default Connect([NS_STAFF_RESIGNATION_APPLY, NS_STAFF_INFO], true)(ResignationApplyPage);