import React, { useState, useEffect } from 'react';
import {
  Table,
  Button,
  Input,
  message,
  Space,
  Form,
  DatePicker,
  Select,
  Tag,
  Tooltip,
} from 'antd';
import { history } from 'umi';
import {
  SearchOutlined,
  DeleteOutlined,
  PlusOutlined,
} from '@ant-design/icons';
import { getAnnualTaskList } from '@/servers/api/supplierAnnual';
import {
  AnnualTaskStatus,
  AnnualTaskStatusText,
  AnnualTaskStatusColor,
  AnnualTaskStatusOptions,
} from '@/dicts/supplierAnnualTaskManageDict';
import type { DictItem } from '@/servers/api/dicts';
import { getDictList } from '@/servers/api/dicts';

const { RangePicker } = DatePicker;
const { Option } = Select;

const SupplierAnnualTaskManage: React.FC = () => {
  const [form] = Form.useForm();
  const [loading, setLoading] = useState<boolean>(false);
  const [data, setData] = useState<supplierAnnualTaskManage.TaskRecord[]>([]);
  const [pagination, setPagination] = useState({
    current: 1,
    pageSize: 10,
    total: 0,
    showTotal: (total: number) => `共 ${total} 条记录`,
    showSizeChanger: true,
    showQuickJumper: true,
  });
  const [searchParams, setSearchParams] = useState<any>({});
  const [evaluateStatus, setEvaluateStatus] = useState<DictItem[]>([]);

  // 获取年度任务列表
  const fetchList = async () => {
    try {
      setLoading(true);
      const res = await getAnnualTaskList({
        basePageRequest: {
          pageNo: pagination.current,
          pageSize: pagination.pageSize,
        },
        ...searchParams,
      });

      if (res.success) {
        setData(res.data?.records || []);
        setPagination({
          ...pagination,
          total: res.data?.total || 0,
        });
      } else {
        message.error(res.message || '获取列表失败');
      }
    } catch (error) {
      console.error('获取列表失败:', error);
      message.error('获取列表失败');
    } finally {
      setLoading(false);
    }
  };

  // 获取状态字典
  useEffect(() => {
    getDictList('project_status').then((res) => {
      if (res.success) {
        setEvaluateStatus(res.data);
      }
    });
  }, []);

  // 监听搜索参数和分页变化，自动请求数据
  useEffect(() => {
    fetchList();
  }, [searchParams, pagination.current, pagination.pageSize]);

  // 表格变化处理
  const handleTableChange = (paginationParams: any) => {
    setPagination({
      ...pagination,
      current: paginationParams.current,
      pageSize: paginationParams.pageSize,
    });
  };

  // 搜索
  const handleSearch = (values: any) => {
    const params = { ...values };

    // 处理日期范围
    if (params.timeRange && params.timeRange.length === 2) {
      params.startTime = params.timeRange[0].format('YYYY-MM-DD');
      params.endTime = params.timeRange[1].format('YYYY-MM-DD');
      delete params.timeRange;
    }

    // 更新分页到第一页
    setPagination({
      ...pagination,
      current: 1,
    });

    // 更新搜索参数，会触发useEffect重新请求
    setSearchParams(params);
  };

  // 重置搜索
  const handleReset = () => {
    form.resetFields();

    // 更新分页到第一页
    setPagination({
      ...pagination,
      current: 1,
    });

    // 清空搜索参数，会触发useEffect重新请求
    setSearchParams({});
  };

  // 新增任务
  const handleAdd = () => {
    history.push({
      pathname: 'supplierAnnualTaskManageAdd',
    });
  };

  // 编辑任务
  const handleEdit = (record: supplierAnnualTaskManage.TaskRecord) => {
    if (record.status !== AnnualTaskStatus.PENDING) {
      message.warning('只有待执行状态的任务才能编辑！');
      return;
    }

    history.push(`/supplierAnnual/supplierAnnualTaskManageAdd?id=${record.id}&mode=edit`);
  };

  // 查看详情
  const handleView = (record: supplierAnnualTaskManage.TaskRecord) => {
    history.push(`/supplierAnnual/supplierAnnualTaskManageDetail?id=${record.id}`);
  };

  const columns = [
    {
      title: '序号',
      dataIndex: 'index',
      key: 'index',
      width: 80,
      render: (_: any, __: any, index: number) =>
        index + 1 + (pagination.current - 1) * pagination.pageSize,
    },
    {
      title: '评价主题',
      dataIndex: 'annualreviewTheme',
      key: 'annualreviewTheme',
      ellipsis: {
        showTitle: false,
      },
      render: (text: string) => (
        <Tooltip placement="topLeft" title={text}>
          {text}
        </Tooltip>
      ),
    },
    {
      title: '发起单位',
      dataIndex: 'deptName',
      key: 'deptName',
      width: 150,
    },
    {
      title: '评价开始时间',
      dataIndex: 'startTime',
      key: 'startTime',
      width: 140,
    },
    {
      title: '评价结束时间',
      dataIndex: 'endTime',
      key: 'endTime',
      width: 140,
    },
    {
      title: '评价状态',
      dataIndex: 'statusName',
      key: 'statusName',
      width: 100
    },
    {
      title: '操作',
      key: 'action',
      width: 180,
      fixed: 'right' as const,
      align: 'center' as const,
      render: (_: any, record: supplierAnnualTaskManage.TaskRecord) => (
        <Space size="middle">
          <Button type="link" size="small" onClick={() => handleView(record)}>
            查看
          </Button>
          {record.status === AnnualTaskStatus.PENDING && (
            <Button type="link" size="small" onClick={() => handleEdit(record)}>
              编辑
            </Button>
          )}
        </Space>
      ),
    },
  ];

  return (
    <div className="common-container">
      <div className="filter-action-row">
        <Form
          form={form}
          name="search"
          onFinish={handleSearch}
          layout="inline"
          className="filter-form"
        >
          <Form.Item name="annualreviewTheme" label="评价主题">
            <Input placeholder="请输入评价主题" allowClear />
          </Form.Item>
          <Form.Item name="timeRange" label="评价时间">
            <RangePicker
              placeholder={['开始日期', '结束日期']}
              format="YYYY-MM-DD"
              style={{ width: 230 }}
            />
          </Form.Item>
          <Form.Item name="status" label="评价状态">
            <Select placeholder="请选择状态" allowClear style={{ width: 150 }}>
              {evaluateStatus.map((item) => (
                <Option key={item.code} value={item.code}>
                  {item.dicName}
                </Option>
              ))}
            </Select>
          </Form.Item>
          <Form.Item className="filter-btns">
            <Button type="primary" htmlType="submit" icon={<SearchOutlined />}>
              搜索
            </Button>
            <Button type="primary" danger icon={<DeleteOutlined />} onClick={handleReset}>
              重置
            </Button>
          </Form.Item>
        </Form>
        <div className="right-buttons">
          <Button type="primary" ghost icon={<PlusOutlined />} onClick={handleAdd}>
            新增任务
          </Button>
        </div>
      </div>

      <div className="content-area">
        <Table
          columns={columns}
          dataSource={data}
          rowKey="id"
          pagination={pagination}
          loading={loading}
          onChange={handleTableChange}
          scroll={{ x: 1100 }}
        />
      </div>
    </div>
  );
};

export default SupplierAnnualTaskManage;