import React, { Component } from 'react';
import styles from './Accordion.css';

class Accordion extends Component {
  constructor(props) {
    super(props);
    this.state = {
      active: false,
      activeIndex: this.props.defaultShow,
    };
  }

  selectedIndex(obj) {
    this.setState({
      activeIndex: (this.state.activeIndex === obj.selected) ? 0 : obj.selected
    });
  }

  renderList() {
    const { elements } = this.props;
    return elements.map((item, index) => {
      const uniqueId = index + 1;
      return (
        <AccordionSub
          title={item.title} content={item.content} showOnLoad={item.showOnLoad}
          key={index} uniqueId={uniqueId} selectedIndex={obj => this.selectedIndex(obj)}
          activeIndex={this.state.activeIndex}
        />
      );
    });
  }

  render() {
    const panes = this.renderList();
    //const stateStyle = (this.state.active)?styles.active:styles.inactive;
    return (
      <div className={styles.accordionSection}>
        {panes}
      </div>
    );

  }

}//end of Accordion

//Adding propTypes
Accordion.propTypes = {
  elements: React.PropTypes.array
};

//Adding defaultProps in here

//other Component

class AccordionSub extends Component {
  toggle(id) {
    //send the index to the parent Component
    this.props.selectedIndex({ selected: id });
  }

  render() {
    const { content, title, uniqueId, activeIndex } = this.props;
    const stateStyle = (activeIndex === uniqueId) ? styles.active : '';
    const accordionStyle = (stateStyle) ? (styles.accordion + ' ' + styles.active) : (styles.accordion);
    const panelStyle = (stateStyle) ? (styles.panel + ' ' + styles.show) : (styles.panel);
    return (
      <div className="accordion-box">
        <h3 className={accordionStyle} onClick={this.toggle.bind(this, this.props.uniqueId)}>{title}</h3>
        <div className={panelStyle}> {content} </div>
      </div>
    );

  }
}

//Adding propTypes
AccordionSub.propTypes = {
  content: React.PropTypes.string.isRequired,
  title: React.PropTypes.string.isRequired,
  uniqueId: React.PropTypes.number.isRequired,
  activeIndex: React.PropTypes.number.isRequired
};

export default Accordion;