import { Injectable } from '@nestjs/common';
import { BaseFactory } from './base.factory';
import { IntegrationStrategy } from '../strategies/integration.strategy';
import { OzonetelVoiceStrategy } from '../strategies/telephone/ozonetel-voice.strategy';
import { TubelightVoiceStrategy } from '../strategies/telephone/tubelight-voice.strategy';

@Injectable()
export class TelephoneFactory implements BaseFactory {
  constructor(
    private ozonetelVoiceStrategy: OzonetelVoiceStrategy,
    private tubelightVoiceStrategy: TubelightVoiceStrategy,
  ) {}

  createProvider(service: string, provider: string): IntegrationStrategy {
    const providerKey = provider.toLowerCase();

    switch (providerKey) {
      case 'ozonetel':
        return this.ozonetelVoiceStrategy;
      case 'tubelight':
        return this.tubelightVoiceStrategy;

      default:
        throw new Error(
          `Unsupported Telephone provider: ${provider}`,
        );
    }
  }

  getSupportedCombinations(): Array<{ service: string; provider: string }> {
    return [
      { service: 'API', provider: 'ozonetel' },
      { service: 'API', provider: 'tubelight' }
    ];
  }

  validateCombination(service: string, provider: string): boolean {
    const supportedProviders = ['ozonetel', 'tubelight'];
    return supportedProviders.includes(provider.toLowerCase());
  }
}