/*
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017 Amdocs
 * ================================================================================
 * 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=========================================================
 *
 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 */
import React, {Component} from 'react';
import {connect} from 'react-redux';
import SplitPane from 'react-split-pane';

import ForceDirectedGraph from 'generic-components/graph/ForceDirectedGraph.jsx';
import SelectedNodeDetails from 'app/tierSupport/selectedNodeDetails/SelectedNodeDetails.jsx';
import i18n from 'utils/i18n/i18n';
import {
  onNodeDetailsChange,
  onNodeMenuChange,
  splitPaneResize,
  querySelectedNodeElement,
  setNotificationText,
  clearVIData
} from 'app/tierSupport/TierSupportActions.js';
import {
  TSUI_TITLE,
  TSUI_NODE_DETAILS_INITIAL_WIDTH,
  TSUI_NODE_DETAILS_MIN_WIDTH,
  TSUI_GRAPH_MENU_NODE_DETAILS
} from './TierSupportConstants.js';

let mapStateToProps = (
  {
    tierSupport:
      {
        tierSupportReducer,
        globalAutoCompleteSearchBar
      }
  }) => {

  let {
        forceDirectedGraphRawData = {
          graphCounter: -1,
          nodeDataArray: [],
          linkDataArray: [],
          graphMeta: {}
        }, windowWidth = 500,
        windowHeight = 500,
        graphNodeSelectedMenu = TSUI_GRAPH_MENU_NODE_DETAILS,
        feedbackMsgText = '',
        feedbackMsgSeverity = ''
      } = tierSupportReducer;

  let {
        performPrepareVisualization = false,
        selectedSuggestion = {}
      } = globalAutoCompleteSearchBar;
  return {
    forceDirectedGraphRawData,
    windowWidth,
    windowHeight,
    graphNodeSelectedMenu,
    performPrepareVisualization,
    selectedSuggestion,
    feedbackMsgText,
    feedbackMsgSeverity
  };
};

let mapActionToProps = (dispatch) => {
  return {
    onNodeSelected: (requestObject) => {
      dispatch(onNodeDetailsChange(requestObject));
    },
    onNodeMenuSelect: (selectedMenu) => {
      dispatch(onNodeMenuChange(selectedMenu.buttonId));
    },
    onSplitPaneResize: (initialLoad) => {
      dispatch(splitPaneResize(initialLoad));
    },
    onNewVIParam: (param) => {
      dispatch(querySelectedNodeElement(param));
    },
    onMessageStateChange: (msgText, msgSeverity) => {
      dispatch(setNotificationText(msgText, msgSeverity));
    },
    onRequestClearData: () => {
      dispatch(clearVIData());
    }
  };
};

class TierSupport extends Component {
  static propTypes = {
    forceDirectedGraphRawData: React.PropTypes.object,
    windowWidth: React.PropTypes.number,
    windowHeight: React.PropTypes.number,
    graphNodeSelectedMenu: React.PropTypes.string,
    feedbackMsgText: React.PropTypes.string,
    feedbackMsgSeverity: React.PropTypes.string
  };

  componentWillReceiveProps(nextProps) {
    if (nextProps.match.params.viParam &&
      nextProps.match.params.viParam !==
      this.props.match.params.viParam) {
      this.props.onNewVIParam(nextProps.match.params.viParam);
    }

    if (nextProps.feedbackMsgText !== this.props.feedbackMsgText) {
      this.props.onMessageStateChange(nextProps.feedbackMsgText,
        nextProps.feedbackMsgSeverity);
    }
  }

  componentWillMount() {
    if (this.props.match.params.viParam) {
      this.props.onNewVIParam(this.props.match.params.viParam);
    } else {
      this.props.onRequestClearData();
    }
  }

  componentDidMount() {
    this.props.onSplitPaneResize(true);
  }

  componentWillUnmount() {
    // resetting to default (empty screen)
    this.props.onRequestClearData();
  }

  render() {
    const {
            forceDirectedGraphRawData,
            onNodeSelected,
            windowWidth,
            windowHeight,
            onSplitPaneResize,
            onNodeMenuSelect
          } = this.props;
    let currentSelectedMenu = this.getCurrentSelectedMenu();

    //Temp code for a demo, will be removed as Vis library is updated
    let currentNodeButton = 'NODE_DETAILS';
    // End temp code

    return (
      <div className='tier-support-ui'>
        <div className='secondary-header'>
          <span className='secondary-title'>{i18n(TSUI_TITLE)}</span>
        </div>
        <SplitPane
          split='vertical'
          enableResizing='true'
          onDragFinished={ () => {
            onSplitPaneResize(false);
          } }
          defaultSize={TSUI_NODE_DETAILS_INITIAL_WIDTH}
          minSize={TSUI_NODE_DETAILS_MIN_WIDTH}
          maxSize={-200}
          primary='second'>
          <div>
            <ForceDirectedGraph
              viewWidth={windowWidth}
              viewHeight={windowHeight}
              graphData={forceDirectedGraphRawData}
              nodeSelectedCallback={(nodeData) => {
                onNodeSelected(nodeData);
              }}
              nodeButtonSelectedCallback={(selectedMenuId) => {
                onNodeMenuSelect(selectedMenuId);
              }}
              currentlySelectedNodeView={currentNodeButton}/>
          </div>
          <div>
            {currentSelectedMenu}
          </div>
        </SplitPane>
      </div>
    );
  }

  getCurrentSelectedMenu() {
    switch (this.props.graphNodeSelectedMenu) {
      case TSUI_GRAPH_MENU_NODE_DETAILS:
        if (!this.nodeDetails) {
          this.nodeDetails = <SelectedNodeDetails/>;
        }
        return this.nodeDetails;
    }
  }
}

export default connect(mapStateToProps, mapActionToProps)(TierSupport);