import React, { useState, useEffect } from "react";
import {
  Modal,
  TreeSelect,
  Input,
  Table,
  Button,
  Tag,
  Row,
  Col,
  Space,
} from "antd";
import { CloseOutlined } from "@ant-design/icons";
import { NS_STAFF_INFO, NS_ORG_DEPARTMENT } from "~/enumerate/namespace";
import { Connect } from "@cqsjjb/jjb-dva-runtime";
import { QUALIFICATION_INDUSTRY_OPTIONS_MAP, TITLE_LEVEL_MAP } from "~/enumerate/enterpriseOptions";



const StaffPickerModal = (props) => {
  const { open, onCancel, onConfirm, selectedIds = [] } = props;
  const { staffInfoList: dataSource, staffInfoTotal: total, staffInfoLoading: loading } = props.staffInfo || {};
  const { orgDepartmentTreeData } = props.orgDepartment || {};

  const [deptId, setDeptId] = useState(undefined);
  const [keyword, setKeyword] = useState("");
  const [page, setPage] = useState({ current: 1, size: 10 });
  const [selectedRowKeys, setSelectedRowKeys] = useState([]);
  // 用 Map 存储所有已选行，翻页后不丢失
  const [selectedRowMap, setSelectedRowMap] = useState({});

  useEffect(() => {
    if (open) {
      props.orgDepartmentTree();
      // 从父组件恢复已选数据
      const initialIds = selectedIds;
      const initialRows = props.selectedParticipants || [];
      setSelectedRowKeys(initialIds);
      const map = {};
      initialRows.forEach((r) => { map[r.id] = r; });
      setSelectedRowMap(map);
      fetchData({ current: 1, size: 10 });
    }
  }, [open]);

  const fetchData = (pagination) => {
    const params = {
      current: pagination?.current || page.current,
      size: pagination?.size || page.size,
      employmentStatusCode: 1,
    };
    if (deptId) params.deptId = deptId;
    if (keyword) params.userName = keyword;
    props.staffInfoList(params);
    setPage(params);
  };

  const handleSearch = () => {
    fetchData({ current: 1, size: 10 });
  };

  const handleTableChange = (pagination) => {
    fetchData(pagination);
  };

  const handleSelectChange = (rowKeys, rows) => {
    setSelectedRowKeys(rowKeys);
    // rows 仅包含当前页的行，用 Map 合并新旧数据
    setSelectedRowMap((prev) => {
      const next = { ...prev };
      // 移除取消勾选的项
      Object.keys(next).forEach((key) => {
        if (!rowKeys.includes(key)) {
          delete next[key];
        }
      });
      // 添加/更新当前页勾选的行
      rows.forEach((row) => {
        next[row.id] = row;
      });
      return next;
    });
  };

  const handleRemoveSelected = (record) => {
    const newKeys = selectedRowKeys.filter((id) => id !== record.id);
    setSelectedRowKeys(newKeys);
    setSelectedRowMap((prev) => {
      const next = { ...prev };
      delete next[record.id];
      return next;
    });
  };

  const handleConfirm = () => {
    onConfirm(Object.values(selectedRowMap));
  };

  const selectedRows = Object.values(selectedRowMap);

  const columns = [
    {
      title: "用户名称",
      dataIndex: "userName",
     
      width: 200,
      render: (text, record) => {
        const name = record.userName || "-";
        return (
          <Space size={4} wrap align="start">
            <span style={{ maxWidth: 100, overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap", display: "inline-block" }} title={name}>{name}</span>
            {record.technicalDirectorFlag && (
              <Tag color="blue" style={{ marginRight: 0, fontSize: 11 }}>技术</Tag>
            )}
            {record.processControlLeaderFlag && (
              <Tag color="purple" style={{ marginRight: 0, fontSize: 11 }}>过程</Tag>
            )}
          </Space>
        );
      },
    },
    
    {
      title: "能力",
      dataIndex: "abilityNames",
      ellipsis: true,
    },
  
   
  ];

  return (
    <Modal
      title="选择项目参与人员"
      open={open}
      onCancel={onCancel}
      onOk={handleConfirm}
      width={1000}
      destroyOnHidden
    >
      <Row gutter={16}>
        <Col span={18}>
          <Space style={{ marginBottom: 12, width: "100%" }} size={12}>
            <TreeSelect
              placeholder="请选择部门"
              allowClear
              treeData={orgDepartmentTreeData}
              fieldNames={{ label: "deptName", value: "id", key: "id" }}
              treeDefaultExpandAll
              showSearch
              style={{ width: 240 }}
              value={deptId}
              onChange={(value) => {
                setDeptId(value);
                setTimeout(() => handleSearch(), 0);
              }}
            />
            <Input
              placeholder="搜索用户名称"
              allowClear
              style={{ width: 240 }}
              value={keyword}
              onChange={(e) => setKeyword(e.target.value)}
              onPressEnter={handleSearch}
            />
            <Button type="primary" onClick={handleSearch}>搜索</Button>
          </Space>
          <div style={{ marginBottom: 8, fontSize: 12, color: "#666" }}>
            <Tag color="blue" style={{ fontSize: 11, marginRight: 4 }}>技术</Tag> 技术负责人
            <Tag color="purple" style={{ fontSize: 11, margin: "0 4px 0 12px" }}>过程</Tag> 过程控制负责人
          </div>
          <Table
            rowKey="id"
            columns={columns}
            dataSource={dataSource}
            loading={loading}
            size="small"
            rowSelection={{
              selectedRowKeys,
              preserveSelectedRowKeys: true,
              onChange: handleSelectChange,
            }}
            pagination={{
              total,
              current: page.current,
              pageSize: page.size,
              showSizeChanger: true,
              showQuickJumper: true,
              showTotal: (t) => `共 ${t} 条`,
              onChange: (cur, size) => handleTableChange({ current: cur, size }),
            }}
            scroll={{ y: 400, x: 600 }}
          />
        </Col>
        <Col span={6}>
          <div style={{ fontSize: 13, fontWeight: 500, marginBottom: 8 }}>
            已选人员（{selectedRows.length}）
          </div>
          <div
            style={{
              border: "1px solid #d9d9d9",
              borderRadius: 6,
              padding: 8,
              minHeight: 300,
              maxHeight: 460,
              overflow: "auto",
            }}
          >
            {selectedRows.length === 0 && (
              <div style={{ color: "#999", fontSize: 13, textAlign: "center", paddingTop: 120 }}>
                请从左侧勾选人员
              </div>
            )}
            {selectedRows.map((item) => (
              <div
                key={item.id}
                style={{
                  display: "flex",
                  justifyContent: "space-between",
                  alignItems: "center",
                  padding: "6px 8px",
                  borderBottom: "1px solid #f0f0f0",
                }}
              >
               
                  <div style={{ fontSize: 13, maxWidth: 140, overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" }} title={item.userName}>{item.userName}</div>
                  
              
                <Button
                  type="text"
                  size="small"
                  danger
                  icon={<CloseOutlined />}
                  onClick={() => handleRemoveSelected(item)}
                />
              </div>
            ))}
          </div>
        </Col>
      </Row>
    </Modal>
  );
};

export default Connect(
  [NS_STAFF_INFO, NS_ORG_DEPARTMENT],
  true,
)(StaffPickerModal);