/**
 * ============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 { faBook } from '@fortawesome/free-solid-svg-icons';

import applicationManager from '../../../framework/src/services/applicationManager';

import { withRouter, RouteComponentProps, Route, Switch, Redirect } from 'react-router-dom';
import performanceHistoryRootHandler from './handlers/performanceHistoryRootHandler';
import { PmDataInterval } from './models/performanceDataType';
import PerformanceHistoryApplication from './views/performanceHistoryApplication';
import { ApplicationStore } from '../../../framework/src/store/applicationStore';

import connect, { Connect, IDispatcher } from '../../../framework/src/flux/connect';
import { IApplicationStoreState } from "../../../framework/src/store/applicationStore";
import { updateMountIdActionCreator } from "./actions/connectedNetworkElementsActions";

let api: {
  readonly applicationStore: ApplicationStore | null;
  readonly applicationStoreInitialized: Promise<ApplicationStore>;
}

const mapProps = (state: IApplicationStoreState) => ({
});

const mapDisp = (dispatcher: IDispatcher) => ({
  updateMountId: (mountId: string) => dispatcher.dispatch(updateMountIdActionCreator(mountId))
});

let currentMountId: string | null = null;
let lastUrl: string = "/performanceHistory";
const PerformanceHistoryApplicationRouteAdapter = connect(mapProps, mapDisp)((props: RouteComponentProps<{ mountId?: string}> & Connect<typeof mapProps, typeof mapDisp>) => {
  let mountId: string = "";
  if (props.location.pathname !== lastUrl) {
    // ensure the asynchronus update will only be called once per path
    lastUrl = props.location.pathname;
    let index = lastUrl.lastIndexOf("performanceHistory/");
    if(index >= 0) {
      mountId = lastUrl.substr(index+19);
    } else {
      mountId = "";
    }

    window.setTimeout(async () => {
      // check if the mountId has changed
      if (currentMountId !== mountId) {
        currentMountId = mountId;
        await props.updateMountId(currentMountId);
      }
    });
  }
  return (
    <PerformanceHistoryApplication />
  );
});

const PerformanceHistoryRouterApp = withRouter((props: RouteComponentProps) => {
  props.history.action = "POP";
  return (
  <Switch>
    <Route path={`${props.match.path}/:mountId`} component={PerformanceHistoryApplicationRouteAdapter} />
    <Route path={`${props.match.path}`} component={PerformanceHistoryApplicationRouteAdapter} />
    <Redirect to={`${props.match.path}`} />
  </Switch>
  )
});

export function register() {
  api = applicationManager.registerApplication({
    name: "performanceHistory",
    icon: faBook,
    rootComponent: PerformanceHistoryRouterApp,
    rootActionHandler: performanceHistoryRootHandler,
    menuEntry: "Performance"
  });
}

export function setPmDataInterval(pmDataInterval: PmDataInterval): boolean {
  let reload: boolean = true;
  if (api && api.applicationStore) {
    if (api.applicationStore.state.performanceHistory.pmDataIntervalType !== pmDataInterval) {
      reload = true;
    }
    api.applicationStore.state.performanceHistory.pmDataIntervalType = pmDataInterval;
  }
  return reload;
}


export function getPmDataInterval(): PmDataInterval {
  let result = api && api.applicationStore
    ? api.applicationStore.state.performanceHistory.pmDataIntervalType
    : PmDataInterval.pmInterval15Min;
  return result ? result : PmDataInterval.pmInterval15Min;
}
