import React from "react";
import styles from "./index.less";
import { Avatar, Button } from "antd";

const UserList = ["U", "Lucy", "Tom", "Edward"];
const colorList = ["#f56a00", "#7265e6", "#ffbf00", "#00a2ae"];

class Autoset extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      user: UserList[0],
      color: colorList[0]
    };
  }

  changeUser = () => {
    const index = UserList.indexOf(this.state.user);
    this.setState({
      user: index < UserList.length - 1 ? UserList[index + 1] : UserList[0],
      color: index < colorList.length - 1 ? colorList[index + 1] : colorList[0]
    });
  };

  render() {
    return (
      <div>
        <Avatar
          style={{ backgroundColor: this.state.color, verticalAlign: "middle" }}
          size="large"
        >
          {this.state.user}
        </Avatar>
        <Button
          size="small"
          style={{ marginLeft: 16, verticalAlign: "middle" }}
          onClick={this.changeUser}
        >
          Change
        </Button>
      </div>
    );
  }
}

export default () => (
  <div className={styles.container}>
    <div id="components-avatar-demo-dynamic">
      <Autoset />
    </div>
  </div>
);