import _extends from "@babel/runtime/helpers/builtin/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/builtin/objectWithoutProperties";
import _objectSpread from "@babel/runtime/helpers/builtin/objectSpread";
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import EventListener from 'react-event-listener';
import withStyles from '../styles/withStyles';
import { duration } from '../styles/transitions';
import ClickAwayListener from '../ClickAwayListener';
import { capitalize, createChainedFunction } from '../utils/helpers';
import Slide from '../Slide';
import SnackbarContent from '../SnackbarContent';
export const styles = theme => {
  const gutter = 24;
  const top = {
    top: 0
  };
  const bottom = {
    bottom: 0
  };
  const right = {
    justifyContent: 'flex-end'
  };
  const left = {
    justifyContent: 'flex-start'
  };
  const topSpace = {
    top: gutter
  };
  const bottomSpace = {
    bottom: gutter
  };
  const rightSpace = {
    right: gutter
  };
  const leftSpace = {
    left: gutter
  };
  const center = {
    left: '50%',
    right: 'auto',
    transform: 'translateX(-50%)'
  };
  return {
    root: {
      zIndex: theme.zIndex.snackbar,
      position: 'fixed',
      display: 'flex',
      left: 0,
      right: 0,
      justifyContent: 'center',
      alignItems: 'center'
    },
    anchorOriginTopCenter: _objectSpread({}, top, {
      [theme.breakpoints.up('md')]: _objectSpread({}, center)
    }),
    anchorOriginBottomCenter: _objectSpread({}, bottom, {
      [theme.breakpoints.up('md')]: _objectSpread({}, center)
    }),
    anchorOriginTopRight: _objectSpread({}, top, right, {
      [theme.breakpoints.up('md')]: _objectSpread({
        left: 'auto'
      }, topSpace, rightSpace)
    }),
    anchorOriginBottomRight: _objectSpread({}, bottom, right, {
      [theme.breakpoints.up('md')]: _objectSpread({
        left: 'auto'
      }, bottomSpace, rightSpace)
    }),
    anchorOriginTopLeft: _objectSpread({}, top, left, {
      [theme.breakpoints.up('md')]: _objectSpread({
        right: 'auto'
      }, topSpace, leftSpace)
    }),
    anchorOriginBottomLeft: _objectSpread({}, bottom, left, {
      [theme.breakpoints.up('md')]: _objectSpread({
        right: 'auto'
      }, bottomSpace, leftSpace)
    })
  };
};
/* istanbul ignore if */

if (process.env.NODE_ENV !== 'production' && !React.createContext) {
  throw new Error('Material-UI: react@16.3.0 or greater is required.');
}

class Snackbar extends React.Component {
  constructor(...args) {
    var _temp;

    return _temp = super(...args), this.timerAutoHide = null, this.state = {}, this.handleMouseEnter = event => {
      if (this.props.onMouseEnter) {
        this.props.onMouseEnter(event);
      }

      this.handlePause();
    }, this.handleMouseLeave = event => {
      if (this.props.onMouseLeave) {
        this.props.onMouseLeave(event);
      }

      this.handleResume();
    }, this.handleClickAway = event => {
      if (this.props.onClose) {
        this.props.onClose(event, 'clickaway');
      }
    }, this.handlePause = () => {
      clearTimeout(this.timerAutoHide);
    }, this.handleResume = () => {
      if (this.props.autoHideDuration != null) {
        if (this.props.resumeHideDuration != null) {
          this.setAutoHideTimer(this.props.resumeHideDuration);
          return;
        }

        this.setAutoHideTimer(this.props.autoHideDuration * 0.5);
      }
    }, this.handleExited = () => {
      this.setState({
        exited: true
      });
    }, _temp;
  }

  componentDidMount() {
    if (this.props.open) {
      this.setAutoHideTimer();
    }
  }

  componentDidUpdate(prevProps) {
    if (prevProps.open !== this.props.open) {
      if (this.props.open) {
        this.setAutoHideTimer();
      } else {
        clearTimeout(this.timerAutoHide);
      }
    }
  }

  componentWillUnmount() {
    clearTimeout(this.timerAutoHide);
  }

  static getDerivedStateFromProps(nextProps, prevState) {
    if (typeof prevState.exited === 'undefined') {
      return {
        exited: !nextProps.open
      };
    }

    if (nextProps.open) {
      return {
        exited: false
      };
    }

    return null;
  } // Timer that controls delay before snackbar auto hides


  setAutoHideTimer(autoHideDuration) {
    const autoHideDurationBefore = autoHideDuration != null ? autoHideDuration : this.props.autoHideDuration;

    if (!this.props.onClose || autoHideDurationBefore == null) {
      return;
    }

    clearTimeout(this.timerAutoHide);
    this.timerAutoHide = setTimeout(() => {
      const autoHideDurationAfter = autoHideDuration != null ? autoHideDuration : this.props.autoHideDuration;

      if (!this.props.onClose || autoHideDurationAfter == null) {
        return;
      }

      this.props.onClose(null, 'timeout');
    }, autoHideDurationBefore);
  }

  render() {
    const _props = this.props,
          {
      action,
      anchorOrigin: {
        vertical,
        horizontal
      },
      autoHideDuration,
      children,
      classes,
      className,
      ContentProps,
      disableWindowBlurListener,
      message,
      onClose,
      onEnter,
      onEntered,
      onEntering,
      onExit,
      onExited,
      onExiting,
      onMouseEnter,
      onMouseLeave,
      open,
      resumeHideDuration,
      TransitionComponent,
      transitionDuration,
      TransitionProps
    } = _props,
          other = _objectWithoutProperties(_props, ["action", "anchorOrigin", "autoHideDuration", "children", "classes", "className", "ContentProps", "disableWindowBlurListener", "message", "onClose", "onEnter", "onEntered", "onEntering", "onExit", "onExited", "onExiting", "onMouseEnter", "onMouseLeave", "open", "resumeHideDuration", "TransitionComponent", "transitionDuration", "TransitionProps"]); // So we only render active snackbars.


    if (!open && this.state.exited) {
      return null;
    }

    return React.createElement(ClickAwayListener, {
      onClickAway: this.handleClickAway
    }, React.createElement("div", _extends({
      className: classNames(classes.root, classes[`anchorOrigin${capitalize(vertical)}${capitalize(horizontal)}`], className),
      onMouseEnter: this.handleMouseEnter,
      onMouseLeave: this.handleMouseLeave
    }, other), React.createElement(EventListener, {
      target: "window",
      onFocus: disableWindowBlurListener ? undefined : this.handleResume,
      onBlur: disableWindowBlurListener ? undefined : this.handlePause
    }), React.createElement(TransitionComponent, _extends({
      appear: true,
      "in": open,
      onEnter: onEnter,
      onEntered: onEntered,
      onEntering: onEntering,
      onExit: onExit,
      onExited: createChainedFunction(this.handleExited, onExited),
      onExiting: onExiting,
      timeout: transitionDuration,
      direction: vertical === 'top' ? 'down' : 'up'
    }, TransitionProps), children || React.createElement(SnackbarContent, _extends({
      message: message,
      action: action
    }, ContentProps)))));
  }

}

Snackbar.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * The action to display.
   */
  action: PropTypes.node,

  /**
   * The anchor of the `Snackbar`.
   */
  anchorOrigin: PropTypes.shape({
    horizontal: PropTypes.oneOfType([PropTypes.number, PropTypes.oneOf(['left', 'center', 'right'])]),
    vertical: PropTypes.oneOfType([PropTypes.number, PropTypes.oneOf(['top', 'center', 'bottom'])])
  }),

  /**
   * The number of milliseconds to wait before automatically calling the
   * `onClose` function. `onClose` should then set the state of the `open`
   * prop to hide the Snackbar. This behavior is disabled by default with
   * the `null` value.
   */
  autoHideDuration: PropTypes.number,

  /**
   * If you wish the take control over the children of the component you can use this property.
   * When used, you replace the `SnackbarContent` component with the children.
   */
  children: PropTypes.element,

  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css-api) below for more details.
   */
  classes: PropTypes.object.isRequired,

  /**
   * @ignore
   */
  className: PropTypes.string,

  /**
   * Properties applied to the `SnackbarContent` element.
   */
  ContentProps: PropTypes.object,

  /**
   * If `true`, the `autoHideDuration` timer will expire even if the window is not focused.
   */
  disableWindowBlurListener: PropTypes.bool,

  /**
   * When displaying multiple consecutive Snackbars from a parent rendering a single
   * <Snackbar/>, add the key property to ensure independent treatment of each message.
   * e.g. <Snackbar key={message} />, otherwise, the message may update-in-place and
   * features such as autoHideDuration may be canceled.
   */
  key: PropTypes.any,

  /**
   * The message to display.
   */
  message: PropTypes.node,

  /**
   * Callback fired when the component requests to be closed.
   * Typically `onClose` is used to set state in the parent component,
   * which is used to control the `Snackbar` `open` prop.
   * The `reason` parameter can optionally be used to control the response to `onClose`,
   * for example ignoring `clickaway`.
   *
   * @param {object} event The event source of the callback
   * @param {string} reason Can be:`"timeout"` (`autoHideDuration` expired) or: `"clickaway"`
   */
  onClose: PropTypes.func,

  /**
   * Callback fired before the transition is entering.
   */
  onEnter: PropTypes.func,

  /**
   * Callback fired when the transition has entered.
   */
  onEntered: PropTypes.func,

  /**
   * Callback fired when the transition is entering.
   */
  onEntering: PropTypes.func,

  /**
   * Callback fired before the transition is exiting.
   */
  onExit: PropTypes.func,

  /**
   * Callback fired when the transition has exited.
   */
  onExited: PropTypes.func,

  /**
   * Callback fired when the transition is exiting.
   */
  onExiting: PropTypes.func,

  /**
   * @ignore
   */
  onMouseEnter: PropTypes.func,

  /**
   * @ignore
   */
  onMouseLeave: PropTypes.func,

  /**
   * If true, `Snackbar` is open.
   */
  open: PropTypes.bool,

  /**
   * The number of milliseconds to wait before dismissing after user interaction.
   * If `autoHideDuration` property isn't specified, it does nothing.
   * If `autoHideDuration` property is specified but `resumeHideDuration` isn't,
   * we default to `autoHideDuration / 2` ms.
   */
  resumeHideDuration: PropTypes.number,

  /**
   * Transition component.
   */
  TransitionComponent: PropTypes.oneOfType([PropTypes.string, PropTypes.func, PropTypes.object]),

  /**
   * The duration for the transition, in milliseconds.
   * You may specify a single timeout for all transitions, or individually with an object.
   */
  transitionDuration: PropTypes.oneOfType([PropTypes.number, PropTypes.shape({
    enter: PropTypes.number,
    exit: PropTypes.number
  })]),

  /**
   * Properties applied to the `Transition` element.
   */
  TransitionProps: PropTypes.object
} : {};
Snackbar.defaultProps = {
  anchorOrigin: {
    vertical: 'bottom',
    horizontal: 'center'
  },
  disableWindowBlurListener: false,
  TransitionComponent: Slide,
  transitionDuration: {
    enter: duration.enteringScreen,
    exit: duration.leavingScreen
  }
};
export default withStyles(styles, {
  flip: false,
  name: 'MuiSnackbar'
})(Snackbar);