import PropTypes from "prop-types";
import { PureComponent } from "react";

import classNames from "classnames";

export default class Button extends PureComponent {

  static propTypes = {
    text: PropTypes.node,
    onClick: PropTypes.func,
    disabled: PropTypes.bool,
    block: PropTypes.bool,
    secondary: PropTypes.bool,
    className: PropTypes.string,
    title: PropTypes.string,
    children: PropTypes.node,
  };

  handleClick = (e) => {
    if (!this.props.disabled) {
      this.props.onClick(e);
    }
  };

  setRef = (c) => {
    this.node = c;
  };

  focus() {
    this.node.focus();
  }

  render () {
    let attrs = {
      className: classNames("button", this.props.className, {
        "button-secondary": this.props.secondary,
        "button--block": this.props.block,
      }),
      disabled: this.props.disabled,
      onClick: this.handleClick,
      ref: this.setRef,
    };

    if (this.props.title) {
      attrs.title = this.props.title;
    }

    return (
      <button {...attrs}>
        {this.props.text || this.props.children}
      </button>
    );
  }

}