'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.styles = undefined;

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _defineProperty2 = require('babel-runtime/helpers/defineProperty');

var _defineProperty3 = _interopRequireDefault(_defineProperty2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _withStyles = require('../styles/withStyles');

var _withStyles2 = _interopRequireDefault(_withStyles);

var _helpers = require('../utils/helpers');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var styles = exports.styles = function styles(theme) {
  return {
    root: {
      position: 'absolute',
      height: 2,
      bottom: 0,
      width: '100%',
      transition: theme.transitions.create(),
      willChange: 'left, width'
    },
    colorPrimary: {
      backgroundColor: theme.palette.primary.main
    },
    colorSecondary: {
      backgroundColor: theme.palette.secondary.main
    }
  };
};

/**
 * @ignore - internal component.
 */
function TabIndicator(props) {
  var classes = props.classes,
      classNameProp = props.className,
      color = props.color,
      styleProp = props.style;

  var colorPredefined = ['primary', 'secondary'].indexOf(color) !== -1;
  var className = (0, _classnames2.default)(classes.root, (0, _defineProperty3.default)({}, classes['color' + (0, _helpers.capitalize)(color)], colorPredefined), classNameProp);

  var style = colorPredefined ? styleProp : (0, _extends3.default)({}, styleProp, {
    backgroundColor: color
  });

  return _react2.default.createElement('span', { className: className, style: style });
}

TabIndicator.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * Useful to extend the style applied to components.
   */
  classes: _propTypes2.default.object.isRequired,
  /**
   * @ignore
   */
  className: _propTypes2.default.string,
  /**
   * @ignore
   * The color of the tab indicator.
   */
  color: _propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.oneOf(['primary', 'secondary'])]),
  /**
   * @ignore
   * The style of the root element.
   */
  style: _propTypes2.default.object
} : {};

exports.default = (0, _withStyles2.default)(styles, { name: 'MuiTabIndicator' })(TabIndicator);