'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

var _propTypes2 = _interopRequireDefault(_propTypes);

var _template = require('./template.js');

var _template2 = _interopRequireDefault(_template);

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Carousel = function (_React$PureComponent) {
  _inherits(Carousel, _React$PureComponent);

  function Carousel(props) {
    _classCallCheck(this, Carousel);

    var _this = _possibleConstructorReturn(this, (Carousel.__proto__ || Object.getPrototypeOf(Carousel)).call(this, props));

    _this.state = { index: 0, total: props.children.length - 1 };
    _this.handleClick = _this.handleClick.bind(_this);
    _this.handlePrevious = _this.handlePrevious.bind(_this);
    _this.handleNext = _this.handleNext.bind(_this);
    _this.interval = undefined;
    return _this;
  }

  _createClass(Carousel, [{
    key: 'componentWillMount',
    value: function componentWillMount() {
      var _this2 = this;

      var _props = this.props,
          auto = _props.auto,
          delay = _props.delay;

      if (auto) {
        this.interval = setInterval(function () {
          return _this2.setState({ index: _this2.getNextIndex() });
        }, delay);
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      if (this.interval) {
        clearInterval(this.interval);
      }
    }
  }, {
    key: 'getPreviousIndex',
    value: function getPreviousIndex() {
      var _state = this.state,
          index = _state.index,
          total = _state.total;

      return index === 0 ? total : index - 1;
    }
  }, {
    key: 'getNextIndex',
    value: function getNextIndex() {
      var _state2 = this.state,
          index = _state2.index,
          total = _state2.total;

      return index === total ? 0 : index + 1;
    }
  }, {
    key: 'handleClick',
    value: function handleClick(index) {
      this.setState({ index: index });
    }
  }, {
    key: 'handlePrevious',
    value: function handlePrevious() {
      this.setState({ index: this.getPreviousIndex() });
    }
  }, {
    key: 'handleNext',
    value: function handleNext() {
      this.setState({ index: this.getNextIndex() });
    }
  }, {
    key: 'render',
    value: function render() {
      var _props2 = this.props,
          children = _props2.children,
          rest = _objectWithoutProperties(_props2, ['children']);

      return _react2.default.createElement(
        _template2.default,
        _extends({
          index: this.state.index,
          total: this.state.total,
          handleClick: this.handleClick,
          handlePrevious: this.handlePrevious,
          handleNext: this.handleNext
        }, rest),
        children
      );
    }
  }]);

  return Carousel;
}(_react2.default.PureComponent);

Carousel.propTypes = {
  auto: _propTypes2.default.bool,
  delay: _propTypes2.default.number,
  height: _propTypes2.default.number,
  arrows: _propTypes2.default.bool,
  chips: _propTypes2.default.bool
};

Carousel.defaultProps = {
  auto: false,
  delay: 3000,
  height: 150,
  arrows: true,
  chips: true
};

exports.default = Carousel;