import { Connect } from "@cqsjjb/jjb-dva-runtime";
import { Button, Descriptions, Form, Input, message, Modal, Select, Space, Table, Tag, Typography } from "antd";
import TableAction from "@cqsjjb/jjb-react-admin-component/TableAction";
import { useEffect, useState } from "react";
import PageLayout from "@cqsjjb/jjb-react-admin-component/PageLayout";
import SearchForm from "@cqsjjb/jjb-react-admin-component/SearchForm";
import ControlWrapper from "@cqsjjb/jjb-react-admin-component/ControlWrapper";
import { AntdTableFuncControl } from "@cqsjjb/jjb-common-decorator/antd";
import { tools } from "@cqsjjb/jjb-common-lib";
import { NS_STAFF_CHANGE_LOG, NS_STAFF_INFO } from "~/enumerate/namespace";
import {
  CHANGE_COUNT_STYLE,
  RESIGN_AUDIT_STATUS_LABEL,
  AUDIT_STATUS_COLOR,
} from "~/utils/enterpriseForm";

const { router } = tools;

const EMPLOYMENT_STATUS_OPTIONS = [
  { value: 1, label: "在职" },
  { value: 2, label: "离职" },
];

const RESIGN_AUDIT_OPTIONS = Object.entries(RESIGN_AUDIT_STATUS_LABEL).map(([value, label]) => ({
  value: Number(value),
  label,
}));

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 { staffChangeLog } = props;
  const {
    staffChangeLogStaffList: staffList,
    staffChangeLogStaffTotal: staffTotal,
    staffChangeLogLoading: loading,
    staffChangeLogChangeList: changeList,
    staffChangeLogChangeTotal: changeTotal,
  } = staffChangeLog || {};

  const handleSearch = () => {
    props.staffChangeLogStaffList({ ...router.query });
  };

  useEffect(() => {
    searchForm.setFieldsValue(router.query);
    handleSearch();
  }, []);

  const handleLogSearch = () => {
    if (selectedStaff?.id) {
      props.staffChangeLogList({ personnelId: selectedStaff.id });
    }
  };

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

  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 id = record.id ?? record.staffId;
        if (!id) {
          message.error("缺少人员ID，无法删除");
          return;
        }
        const res = await props.staffInfoRemove?.({ id });
        if (res?.success !== false) {
          message.success("删除成功");
          handleSearch();
        } else {
          message.error(res?.message || "删除失败");
        }
      },
    });
  };

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

  const openResignView = async (record) => {
    if (!record?.resignApplyId) {
      message.warning("该人员暂无离职申请记录");
      return;
    }
    try {
      const res = await props.staffResignationInfo({ id: record.resignApplyId });
      setResignInfo(res?.data || {});
      setViewResignOpen(true);
    } catch {
      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,
        auditStatusCode: passed ? 1 : 2,
        auditStatusName: passed ? "已审核" : "已退回",
        rejectReason: passed ? undefined : rejectReason,
      });
      if (res?.success !== false) {
        message.success(passed ? "审核通过" : "已退回");
        setAuditModalOpen(false);
        handleSearch();
      } else {
        message.error(res?.message || "审核操作失败");
      }
    } catch {
      message.error("审核操作失败");
    }
  };

  const staffColumns = [
    { title: "账户", dataIndex: "account", width: 130 },
    { title: "姓名", dataIndex: "userName", width: 100 },
    { title: "部门", dataIndex: "deptName", width: 120 },
    {
      title: "信息变更数",
      dataIndex: "changeCount",
      width: 110,
      render: (_, record) => {
        const n = Number(record.changeCount ?? 0);
        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: "employmentStatusCode",
      width: 90,
      render: (_, record) => {
        const code = record.employmentStatusCode ?? record.employmentStatus;
        return <Tag color={code === 2 ? "error" : "success"}>{code === 2 ? "离职" : "在职"}</Tag>;
      },
    },
    {
      title: "离职申请审核状态",
      dataIndex: "resignAuditStatus",
      width: 140,
      render: (_, record) => {
        const code = record.resignAuditStatus ?? record.auditStatus ?? record.auditStatusCode;
        const label = RESIGN_AUDIT_STATUS_LABEL[code];
        return label ? <Tag color={AUDIT_STATUS_COLOR[code]}>{label}</Tag> : "-";
      },
    },
    {
      title: "操作",
      width: 200,
      fixed: "right",
      render: (_, record) => (
        <TableAction>
          <Button type="link" size="small" onClick={() => openResignView(record)}>
            查看离职状态
          </Button>
          {record.resignApplyId && Number(record.resignAuditStatus) === 0 && (
            <Button type="link" size="small" onClick={() => openResignAudit(record)}>
              离职审核
            </Button>
          )}
          <Button danger type="link" size="small" onClick={() => onDelete(record)}>
            删除
          </Button>
        </TableAction>
      ),
    },
  ];

  const logColumns = [
    { title: "变更事项", dataIndex: "changeItem", width: 200 },
    { title: "变更时间", dataIndex: "changeTime", width: 160 },
    { title: "操作人", dataIndex: "operatorName", width: 100 },
  ];

  if (viewMode === "log") {
    return (
      <PageLayout 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 || selectedStaff?.userName}</div>
        <Table
          rowKey="id"
          columns={logColumns}
          dataSource={changeList}
          scroll={{ y: props.scrollY }}
          loading={loading}
          pagination={{
            total: changeTotal,
            showSizeChanger: true,
            showQuickJumper: true,
            showTotal: (t) => `共 ${t} 条`,
            current: router.query.current || 1,
            pageSize: router.query.size || 10,
            onChange: (page, pageSize) => {
              router.query = { ...router.query, current: page, size: pageSize };
              handleLogSearch();
            },
          }}
        />
      </PageLayout>
    );
  }

  return (
    <PageLayout
      title={
        <div>
          <span>人员变更管理</span>
          <div className="pageLayout-extra">
            机构管理员在人员信息管理页面进行相应的修改操作
          </div>
        </div>
      }
    >
      <SearchForm
        style={{ marginBottom: 24 }}
        form={searchForm}
        loading={loading}
        formLine={[
          <Form.Item key="account" name="account">
            <ControlWrapper.Input label="账户" placeholder="请输入" allowClear />
          </Form.Item>,
          <Form.Item key="userName" name="userName">
            <ControlWrapper.Input label="姓名" placeholder="请输入" allowClear />
          </Form.Item>,
          <Form.Item key="employmentStatusCode" name="employmentStatusCode">
            <ControlWrapper.Select label="就职状态" placeholder="请选择" allowClear style={{ width: "100%" }}>
              {EMPLOYMENT_STATUS_OPTIONS.map((o) => (
                <Select.Option key={o.value} value={o.value}>{o.label}</Select.Option>
              ))}
            </ControlWrapper.Select>
          </Form.Item>,
          <Form.Item key="resignAuditStatus" name="resignAuditStatus">
            <ControlWrapper.Select label="复核状态" placeholder="请选择" allowClear style={{ width: "100%" }}>
              {RESIGN_AUDIT_OPTIONS.map((o) => (
                <Select.Option key={o.value} value={o.value}>{o.label}</Select.Option>
              ))}
            </ControlWrapper.Select>
          </Form.Item>,
        ]}
        onReset={(value) => {
          router.query = { ...value, current: 1, size: 10 };
          handleSearch();
        }}
        onFinish={(value) => {
          router.query = { ...value, current: 1, size: 10 };
          handleSearch();
        }}
      />

      <Table
        rowKey={(record) => record.id || record.staffId}
        columns={staffColumns}
        dataSource={staffList}
        scroll={{ y: props.scrollY }}
        loading={loading}
        pagination={{
          total: staffTotal,
          showSizeChanger: true,
          showQuickJumper: true,
          showTotal: (t) => `共 ${t} 条`,
          current: router.query.current || 1,
          pageSize: router.query.size || 10,
          onChange: (page, pageSize) => {
            router.query = { ...router.query, current: page, size: pageSize };
            handleSearch();
          },
        }}
      />

      <Modal
        open={auditModalOpen}
        destroyOnHidden
        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.expectedResignDate}</Descriptions.Item>
          <Descriptions.Item label="离职原因">{resignInfo.resignReason}</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}
        destroyOnHidden
        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.expectedResignDate}</Descriptions.Item>
          <Descriptions.Item label="离职原因">{resignInfo.resignReason}</Descriptions.Item>
          <Descriptions.Item label="备注">{resignInfo.remark}</Descriptions.Item>
        </Descriptions>
      </Modal>
    </PageLayout>
  );
}

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