/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 *
 */

import { Component, Input, OnInit } from '@angular/core';
import { PipelineElementUnion } from '../../model/editor.model';
import { PipelineElementService, SpDataStream } from '@streampipes/platform-services';
import { DialogRef } from '@streampipes/shared-ui';
import { PipelineElementTypeUtils } from '../../utils/editor.utils';

@Component({
  selector: 'pipeline-element-help',
  templateUrl: './help.component.html',
  styleUrls: ['./help.component.scss']
})
export class HelpComponent implements OnInit {

  selectedTab = 0;
  pollingActive: boolean;

  selectedIndex = 0;

  nsPrefix = 'http://www.w3.org/2001/XMLSchema#';
  availableTabs = [
    {
      title: 'Fields',
      type: 'fields',
      targets: ['set', 'stream']
    },
    {
      title: 'Values',
      type: 'values',
      targets: ['set', 'stream']
    },
    {
      title: 'Documentation',
      type: 'documentation',
      targets: ['set', 'stream', 'sepa', 'action']
    }
  ];

  tabs: any[] = [];
  streamMode: boolean;

  @Input()
  pipelineElement: PipelineElementUnion;

  constructor(private pipelineElementService: PipelineElementService,
              private dialogRef: DialogRef<HelpComponent>) {
    this.pollingActive = true;
  }

  ngOnInit() {
    if (this.pipelineElement instanceof SpDataStream) {
      this.tabs = this.availableTabs;
      this.streamMode = true;
    } else {
      this.tabs.push(this.availableTabs[2]);
      this.streamMode = false;
    }
  }

  getFriendlyRuntimeType(runtimeType) {
    if (this.isNumber(runtimeType)) {
      return 'Number';
    } else if (this.isBoolean(runtimeType)) {
      return 'Boolean';
    } else {
      return 'Text';
    }
  }

  isNumber(runtimeType) {
    return (runtimeType === (this.nsPrefix + 'float')) ||
        (runtimeType === (this.nsPrefix + 'integer')) ||
        (runtimeType === (this.nsPrefix + 'long')) ||
        (runtimeType === (this.nsPrefix + 'double'));
  }

  isBoolean(runtimeType) {
    return runtimeType === this.nsPrefix + 'boolean';
  }

  close() {
    this.pollingActive = false;
    setTimeout(() => {
      this.dialogRef.close();
    });
  }


  filterTab(tab) {
    const type = PipelineElementTypeUtils.fromType(this.pipelineElement);
    const cssShortHand = PipelineElementTypeUtils.toCssShortHand(type);
    return tab.targets.indexOf(cssShortHand) !== -1;
  }


}
