import React, { PropTypes } from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import Widgets from './Widgets';

export default class ControlPane extends React.Component {
  controlFor(field) {
    const { entry, getMedia, onChange, onAddMedia, onRemoveMedia } = this.props;
    const widget = Widgets[field.get('widget')] || Widgets._unknown;
    return React.createElement(widget.Control, {
      field: field,
      value: entry.getIn(['data', field.get('name')]),
      onChange: (value) => onChange(entry.setIn(['data', field.get('name')], value)),
      onAddMedia: onAddMedia,
      onRemoveMedia: onRemoveMedia,
      getMedia: getMedia
    });
  }

  render() {
    const { collection } = this.props;
    if (!collection) { return null; }
    return <div>
      {collection.get('fields').map((field) => <div key={field.get('name')}>{this.controlFor(field)}</div>)}
    </div>;
  }
}

ControlPane.propTypes = {
  collection: ImmutablePropTypes.map.isRequired,
  entry: ImmutablePropTypes.map.isRequired,
  getMedia: PropTypes.func.isRequired,
  onAddMedia: PropTypes.func.isRequired,
  onChange: PropTypes.func.isRequired,
  onRemoveMedia: PropTypes.func.isRequired,
};