// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import React, { Component, PropTypes } from 'react';

import styles from './button.css';

export default class Button extends Component {
  static propTypes = {
    children: PropTypes.node.isRequired,
    className: PropTypes.string,
    disabled: PropTypes.bool,
    invert: PropTypes.bool,
    first: PropTypes.bool,
    last: PropTypes.bool,
    middle: PropTypes.bool,
    onClick: PropTypes.func.isRequired
  }

  render () {
    const { children, className, disabled, invert, first, last, middle } = this.props;
    const classes = `${styles.button} ${disabled ? styles.disabled : ''} ${invert ? styles.inverse : ''} ${first ? styles.first : ''} ${last ? styles.last : ''} ${middle ? styles.middle : ''} ${className}`;

    return (
      <div className={ classes } onTouchTap={ this.onClick }>
        { children }
      </div>
    );
  }

  onClick = (event) => {
    const { disabled, onClick } = this.props;

    if (disabled) {
      return;
    }

    onClick(event);
  }
}
