import React from "react";
import styles from "./index.less";
import { Collapse, Select } from "antd";
import { SettingOutlined } from "@ant-design/icons";

const { Panel } = Collapse;
const { Option } = Select;

function callback(key) {
  console.log(key);
}

const text = `
  A dog is a type of domesticated animal.
  Known for its loyalty and faithfulness,
  it can be found as a welcome guest in many households across the world.
`;

const genExtra = () => (
  <SettingOutlined
    onClick={event => {
      // If you don't want click extra trigger collapse, you can prevent this:
      event.stopPropagation();
    }}
  />
);

class Demo extends React.Component {
  state = {
    expandIconPosition: "left"
  };

  onPositionChange = expandIconPosition => {
    this.setState({ expandIconPosition });
  };

  render() {
    const { expandIconPosition } = this.state;
    return (
      <div>
        <Collapse
          defaultActiveKey={["1"]}
          onChange={callback}
          expandIconPosition={expandIconPosition}
        >
          <Panel header="This is panel header 1" key="1" extra={genExtra()}>
            <div>{text}</div>
          </Panel>
          <Panel header="This is panel header 2" key="2" extra={genExtra()}>
            <div>{text}</div>
          </Panel>
          <Panel header="This is panel header 3" key="3" extra={genExtra()}>
            <div>{text}</div>
          </Panel>
        </Collapse>
        <br />
        <span>Expand Icon Position: </span>
        <Select value={expandIconPosition} onChange={this.onPositionChange}>
          <Option value="left">left</Option>
          <Option value="right">right</Option>
        </Select>
      </div>
    );
  }
}

export default () => (
  <div className={styles.container}>
    <div id="components-collapse-demo-extra">
      <Demo />
    </div>
  </div>
);