import { BaseModel } from '@verb/src/libs/shared/base/base.model';
import {
  StreamMetricsModel,
  StreamMetricsSchema,
  StreamSchema,
} from '@verb/src/libs/stream/stream-metadata';

export class StreamLibraryInstanceModel implements BaseModel<StreamLibraryInstanceSchema> {
  public attendeeCount: number | null = null;
  public description: string | null = null;
  public metrics = new StreamMetricsModel();
  public streamInstanceId: string | null = null;
  public title: string | null = null;

  public constructor(streamLibraryInstanceSchema?: StreamLibraryInstanceSchema) {
    if (streamLibraryInstanceSchema) {
      this.fromSchema(streamLibraryInstanceSchema);
    }
  }

  public fromSchema(streamLibraryInstanceSchema: StreamLibraryInstanceSchema) {
    this.attendeeCount = streamLibraryInstanceSchema.attendee_count;
    this.description = streamLibraryInstanceSchema.description;
    this.metrics = new StreamMetricsModel(streamLibraryInstanceSchema.metrics);
    this.streamInstanceId = streamLibraryInstanceSchema.stream_instance_id;
    this.title = streamLibraryInstanceSchema.title;
  }

  public fromStreamSchema(streamSchema: StreamSchema) {
    this.attendeeCount = streamSchema.metadata.attendees.length;
    this.description = streamSchema.metadata.configuration.description;
    this.metrics = new StreamMetricsModel(streamSchema.metadata.metrics);
    this.streamInstanceId = streamSchema.stream_instance_id;
    this.title = streamSchema.metadata.configuration.title;
  }

  public toSchema(): StreamLibraryInstanceSchema {
    return {
      attendee_count: this.attendeeCount,
      description: this.description,
      metrics: this.metrics.toSchema(),
      stream_instance_id: this.streamInstanceId,
      title: this.title,
    };
  }
}

export interface StreamLibraryInstanceSchema {
  attendee_count: number | null;
  description: string | null;
  metrics: StreamMetricsSchema;
  stream_instance_id: string | null;
  title: string | null;
}