import { genChartByAiUsingPOST } from '@/services/bi/chartController';
import { UploadOutlined } from '@ant-design/icons';
import {
  Button,
  Card,
  Col,
  Divider,
  Form,
  Input,
  message,
  Row,
  Select,
  Space,
  Spin,
  Upload,
} from 'antd';
import TextArea from 'antd/es/input/TextArea';
import ReactECharts from 'echarts-for-react';
import React, { useState } from 'react';

/**
 * 添加图表页面（同步）
 * @constructor
 */
const AddChart: React.FC = () => {
  /**
   * 接收后端的响应
   */
  const [chart, setChart] = useState<API.BiResponse>();
  /**
   * loading
   */
  const [submitting, setSubmitting] = useState<boolean>(false);
  /**
   * 图表的 option 状态
   */
  const [option, setOption] = useState<any>();

  /**
   * 提交
   * @param values
   */
  const onFinish = async (values: any) => {
    // 避免重复提交
    if (submitting) {
      return;
    }
    setSubmitting(true);
    setChart(undefined);
    setOption(undefined);

    const params = {
      ...values,
      file: undefined,
    };
    try {
      // 对接后端，上传数据
      const res = await genChartByAiUsingPOST(params, {}, values.file.file.originFileObj);
      if (!res?.data) {
        message.error('分析失败~');
      } else {
        message.success('分析成功~');
        const chartOption = JSON.parse(res.data.genChart ?? '');
        if (!chartOption) {
          message.error('图表代码解析错误~');
        } else {
          setChart(res.data);
          setOption(chartOption);
        }
      }
    } catch (e: any) {
      message.error('分析失败~', e.message);
    }
    setSubmitting(false);
  };

  return (
    <div className="add-chart">
      <Row gutter={24}>
        <Col span={12}>
          <Card title="智能分析">
            <Form
              name="addChart"
              labelAlign="left"
              labelCol={{ span: 4 }}
              wrapperCol={{ span: 16 }}
              onFinish={onFinish}
              initialValues={{}}
              style={{ maxWidth: 600 }}
            >
              <Form.Item
                name="goal"
                label="分析目标"
                rules={[{ required: true, message: '请输入你的分析目标' }]}
              >
                <TextArea placeholder="请输入你的分析需求，比如：分析网站用户的增长情况" />
              </Form.Item>
              <Form.Item
                name="name"
                label="图表名称"
                rules={[{ required: true, message: '请输入你的图表名称' }]}
              >
                <Input placeholder="请输入你的图表名称" />
              </Form.Item>
              <Form.Item
                name="chartType"
                label="图表类型"
                rules={[{ required: true, message: '请选择你的图表类型' }]}
              >
                <Select
                  options={[
                    { value: '折线图', label: '折线图' },
                    { value: '柱状图', label: '柱状图' },
                    { value: '堆叠图', label: '堆叠图' },
                    { value: '饼图', label: '饼图' },
                    { value: '雷达图', label: '雷达图' },
                  ]}
                />
              </Form.Item>

              <Form.Item
                name="file"
                label="原始数据"
                rules={[{ required: true, message: '请上传你的 csv 文件' }]}
              >
                <Upload name="file" maxCount={1}>
                  <Button icon={<UploadOutlined />}>请上传 csv 文件（xlsx 文件）</Button>
                </Upload>
              </Form.Item>

              <Form.Item wrapperCol={{ span: 16, offset: 4 }}>
                <Space>
                  <Button
                    type="primary"
                    htmlType="submit"
                    loading={submitting}
                    disabled={submitting}
                  >
                    提交
                  </Button>
                  <Button htmlType="reset">重置</Button>
                </Space>
              </Form.Item>
            </Form>
          </Card>
        </Col>
        <Col span={12}>
          <Card title="分析结论">
            {chart?.genResult ?? <div>请先在左侧进行提交</div>} <Spin spinning={submitting} />
          </Card>
          <Divider />
          <Card title="可视化图表">
            {option ? <ReactECharts option={option} /> : <div>请先在左侧进行提交</div>}{' '}
            <Spin spinning={submitting} />
          </Card>
        </Col>
      </Row>
    </div>
  );
};
export default AddChart;