/**
 * ============LICENSE_START========================================================================
 * ONAP : ccsdk feature sdnr wt odlux
 * =================================================================================================
 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
 * =================================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 * ============LICENSE_END==========================================================================
 */
import * as React from 'react';

import { withStyles, Theme, WithStyles, createStyles } from '@material-ui/core/styles';

import { ExpansionPanel, ExpansionPanelSummary, ExpansionPanelDetails, Typography, ExpansionPanelActions } from '@material-ui/core';

import ExpandMoreIcon from '@material-ui/icons/ExpandMore';
import { SvgIconProps } from '@material-ui/core/SvgIcon';

const styles = (theme: Theme) => createStyles({
  accordion: {
    // background: theme.palette.secondary.dark,
    // color: theme.palette.primary.contrastText
  },
  detail: {
    // background: theme.palette.background.paper,
    // color: theme.palette.text.primary,
    position: "relative",
    display: 'flex',
    flexDirection: 'column'
  },
  text: {
    // color: theme.palette.common.white,
    // fontSize: "1rem"
  },
});

type PanalProps = WithStyles<typeof styles> & {
  activePanel: string | null,
  panelId: string,
  title: string,
  customActionButtons?: JSX.Element[];
  onToggle: (panelId: string | null) => void;
}

const PanelComponent: React.SFC<PanalProps> = (props) => {
  const { classes, activePanel, onToggle } = props;
  return (
    <ExpansionPanel className={classes.accordion} expanded={activePanel === props.panelId} onChange={() => onToggle(props.panelId)} >
      <ExpansionPanelSummary expandIcon={<ExpandMoreIcon />}>
        <Typography className={classes.text} >{props.title}</Typography>
      </ExpansionPanelSummary>
      <ExpansionPanelDetails className={classes.detail}>
        {props.children}
      </ExpansionPanelDetails>
      {props.customActionButtons
        ? <ExpansionPanelActions>
          {props.customActionButtons}
        </ExpansionPanelActions>
        : null}
    </ExpansionPanel>
  );
};

export const Panel = withStyles(styles)(PanelComponent);
export default Panel;