import { GraphNodePropertiesSource } from '../../../../shared/flo/support/graph-node-properties-source';
import { ApplicationType } from '../../../../shared/model';
import { AppUiProperty } from '../../../../shared/flo/support/app-ui-property';
import { Flo, Properties } from 'spring-flo';
import { dia } from 'jointjs';
import PropertiesSource = Properties.PropertiesSource;

export interface StreamHead {
  presentStreamNames: string[];
}

export interface StreamAppPropertiesSource extends PropertiesSource {
  getStreamHead(): StreamHead;
}


/**
 * Properties source for a stream graph node
 *
 * @author Alex Boyko
 */
export class StreamGraphPropertiesSource extends GraphNodePropertiesSource implements StreamAppPropertiesSource {

  constructor(cell: dia.Cell, private streamHead: StreamHead) {
    super(cell);
  }

  protected createNotationalProperties(): AppUiProperty[] {
    const notationalProperties = [];
    if (typeof ApplicationType[this.cell.attr('metadata/group')] === 'number') {
      notationalProperties.push({
        id: 'label',
        name: 'label',
        type: null,
        defaultValue: this.cell.attr('metadata/name'),
        attr: 'node-name',
        value: this.cell.attr('node-name'),
        description: 'Label of the app',
        isSemantic: false
      });
    }
    if (this.streamHead) {
      notationalProperties.push({
        id: 'stream-name',
        name: 'stream name',
        type: null,
        value: this.cell.attr('stream-name'),
        defaultValue: '',
        description: 'The name of the stream started by this app',
        attr: 'stream-name',
        isSemantic: false
      });
    }
    return notationalProperties;
  }

  protected determineAttributeName(metadata: Flo.PropertyMetadata): string {
    if (this.cell.attr('metadata/group') === 'other') {
      // For something in the other group (like tap) use the id not the name of the property
      return `props/${metadata.id}`;
    }
    return super.determineAttributeName(metadata);
  }

  getStreamHead() {
    return this.streamHead;
  }

}