// Based on https://github.com/thiagoc7/react-animate.css which is under the MIT license
//
// The MIT License (MIT)
//
// Copyright (c) 2015 Ryan Florence
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import * as React from 'react';
import * as ReactCSSTransitionGroup from 'react-addons-css-transition-group';

class Animate extends React.Component<any, any> {
  constructor(props: any) { super(props); }
  
  static propTypes = {
    animationEnter: React.PropTypes.string.isRequired,
    animationLeave: React.PropTypes.string.isRequired,
    durationEnter: React.PropTypes.number.isRequired,
    durationLeave: React.PropTypes.number.isRequired
  }
  
  renderStyle = (animationEnter: string, animationLeave: string, durationEnter: number, durationLeave: number) => {
    return (
        `
        .default-enter {
          opacity: 0;
        }
        .default-enter.${animationEnter} {
          animation-duration: ${durationEnter / 1000}s;
          animation-fill-mode: both;
          opacity: 1;
        }
        .default-leave {
          opacity: 1;
        }
        .default-leave.${animationLeave} {
          animation-duration: ${durationLeave / 1000}s;
          animation-fill-mode: both;
        }
        `
    )
  }
  
  render() {
    const { children, animationEnter, animationLeave, durationEnter, durationLeave } = this.props

    return (
        <div>

          <style dangerouslySetInnerHTML={ { __html: this.renderStyle(animationEnter, animationLeave, durationEnter, durationLeave) } } />

          <ReactCSSTransitionGroup
              component="div"
              transitionName={ {
                enter: 'default-enter',
                enterActive: animationEnter,
                leave: 'default-leave',
                leaveActive: animationLeave
              } }
              transitionEnterTimeout={durationEnter}
              transitionLeaveTimeout={durationLeave}>

            {children}

          </ReactCSSTransitionGroup>

        </div>
    )
  }
}

export default Animate;