import React from "react";
import classnames from "classnames";
import { formatSize } from "../util";

export default class Spinner extends React.Component {
  render() {
    const classes = classnames("spinner", {
      "spinner-animated": this.props.animated,
    });

    return (
      <div className={classes}>
        <img
          alt={this.props.name || this.props.dir}
          src={`/images/${this.props.dir}.png`}
          className="spinner-image"
        />

        {this.props.name === null ? null 
          : <div className="spinner-name">{this.props.name}</div>
        )}
        {this.props.size === null ? null 
          : <div className="spinner-size">{formatSize(this.props.size)}</div>
        )}
      </div>
    );
  }
}

Spinner.propTypes = {
  dir: React.PropTypes.oneOf(["up", "down"]).isRequired,
  name: React.PropTypes.string,
  size: React.PropTypes.number,
  animated: React.PropTypes.bool,
};

Spinner.defaultProps = {
  name: null,
  size: null,
  animated: false,
};