/*
 * 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 { EditorConstants } from '../constants/editor.constants';
import {
  PipelineElementIdentifier,
  PipelineElementType,
  PipelineElementUnion
} from '../model/editor.model';
import {
  DataProcessorInvocation,
  DataSinkInvocation,
  SpDataSet,
  SpDataStream
} from '@streampipes/platform-services';

export class PipelineElementTypeUtils {

  static toClassName(element: PipelineElementType): string {
    if (element === PipelineElementType.DataSet) {
      return EditorConstants.DATA_SET_IDENTIFIER;
    } else if (element === PipelineElementType.DataStream) {
      return EditorConstants.DATA_STREAM_IDENTIFIER;
    } else if (element === PipelineElementType.DataProcessor) {
      return EditorConstants.DATA_PROCESSOR_IDENTIFIER;
    } else {
      return EditorConstants.DATA_SINK_IDENTIFIER;
    }
  }

  static fromClassName(className: string): PipelineElementType {
    if (className === EditorConstants.DATA_SET_IDENTIFIER) {
      return PipelineElementType.DataSet;
    } else if (className === EditorConstants.DATA_STREAM_IDENTIFIER) {
      return PipelineElementType.DataStream;
    } else if (className === EditorConstants.DATA_PROCESSOR_IDENTIFIER) {
      return PipelineElementType.DataProcessor;
    } else {
      return PipelineElementType.DataSink;
    }
  }

  static toCssShortHand(elementType: PipelineElementType) {
    if (PipelineElementType.DataStream === elementType) {
      return 'stream';
    } else if (PipelineElementType.DataSet === elementType) {
      return 'set';
    } else if (PipelineElementType.DataProcessor === elementType) {
      return 'sepa';
    } else {
      return 'action';
    }
  }

  static fromType(pipelineElement: PipelineElementUnion) {
    if (pipelineElement instanceof SpDataSet) {
      return PipelineElementType.DataSet;
    } else if (pipelineElement instanceof SpDataStream) {
      return PipelineElementType.DataStream;
    } else if (pipelineElement instanceof DataProcessorInvocation) {
      return PipelineElementType.DataProcessor;
    } else {
      return PipelineElementType.DataSink;
    }
  }

  static toType(elementType: PipelineElementType) {
    if (PipelineElementType.DataStream === elementType) {
      return SpDataStream;
    } else if (PipelineElementType.DataSet === elementType) {
      return SpDataSet;
    } else if (PipelineElementType.DataProcessor === elementType) {
      return DataProcessorInvocation;
    } else {
      return DataSinkInvocation;
    }
  }

  static toString(pipelineElement: PipelineElementType): string {
    return PipelineElementType[pipelineElement];
  }

  static parse(pipelineElement: string): PipelineElementType {
    return PipelineElementType[pipelineElement];
  }
}
