import { Injectable, Inject } from '@nestjs/common';
import { GetEntitySponsorshipPricingResultDto, GetSponsorsOutput, CreateSponsorInput, CreateSponsorOutput, GetSponsorDashboardQueryParams, SponsorDashboardDTO, GetSponsorSponsorshipsQueryParams, SponsorSponsorshipsDTO, SponsorDto, SponsorDashboardMetricsDTO, SponsoredLeagueDTO, SponsorDashboardInvestmentDTO, SponsorshipDetailDTO } from './dto/SponsorDto';

// Use cases
import { GetSponsorshipPricingUseCase } from '@gridpilot/racing/application/use-cases/GetSponsorshipPricingUseCase';
import { GetSponsorsUseCase } from '@gridpilot/racing/application/use-cases/GetSponsorsUseCase';
import { CreateSponsorUseCase } from '@gridpilot/racing/application/use-cases/CreateSponsorUseCase';
import { GetSponsorDashboardUseCase } from '@gridpilot/racing/application/use-cases/GetSponsorDashboardUseCase';
import { GetSponsorSponsorshipsUseCase } from '@gridpilot/racing/application/use-cases/GetSponsorSponsorshipsUseCase';

// Presenters
import { GetSponsorshipPricingPresenter } from './presenters/GetSponsorshipPricingPresenter';
import { GetSponsorsPresenter } from './presenters/GetSponsorsPresenter';
import { CreateSponsorPresenter } from './presenters/CreateSponsorPresenter';
import { GetSponsorDashboardPresenter } from './presenters/GetSponsorDashboardPresenter';
import { GetSponsorSponsorshipsPresenter } from './presenters/GetSponsorSponsorshipsPresenter';

// Tokens
import { GET_SPONSORSHIP_PRICING_USE_CASE_TOKEN, GET_SPONSORS_USE_CASE_TOKEN, CREATE_SPONSOR_USE_CASE_TOKEN, GET_SPONSOR_DASHBOARD_USE_CASE_TOKEN, GET_SPONSOR_SPONSORSHIPS_USE_CASE_TOKEN, LOGGER_TOKEN } from './SponsorProviders';
import { Logger } from '@gridpilot/shared/application';

@Injectable()
export class SponsorService {
  constructor(
    @Inject(GET_SPONSORSHIP_PRICING_USE_CASE_TOKEN) private readonly getSponsorshipPricingUseCase: GetSponsorshipPricingUseCase,
    @Inject(GET_SPONSORS_USE_CASE_TOKEN) private readonly getSponsorsUseCase: GetSponsorsUseCase,
    @Inject(CREATE_SPONSOR_USE_CASE_TOKEN) private readonly createSponsorUseCase: CreateSponsorUseCase,
    @Inject(GET_SPONSOR_DASHBOARD_USE_CASE_TOKEN) private readonly getSponsorDashboardUseCase: GetSponsorDashboardUseCase,
    @Inject(GET_SPONSOR_SPONSORSHIPS_USE_CASE_TOKEN) private readonly getSponsorSponsorshipsUseCase: GetSponsorSponsorshipsUseCase,
    @Inject(LOGGER_TOKEN) private readonly logger: Logger,
  ) {}

  async getEntitySponsorshipPricing(): Promise<GetEntitySponsorshipPricingResultDto> {
    this.logger.debug('[SponsorService] Fetching sponsorship pricing.');

    const presenter = new GetSponsorshipPricingPresenter();
    await this.getSponsorshipPricingUseCase.execute(undefined, presenter);
    return presenter.viewModel;
  }

  async getSponsors(): Promise<GetSponsorsOutput> {
    this.logger.debug('[SponsorService] Fetching sponsors.');

    const presenter = new GetSponsorsPresenter();
    await this.getSponsorsUseCase.execute(undefined, presenter);
    return presenter.viewModel;
  }

  async createSponsor(input: CreateSponsorInput): Promise<CreateSponsorOutput> {
    this.logger.debug('[SponsorService] Creating sponsor.', { input });

    const presenter = new CreateSponsorPresenter();
    await this.createSponsorUseCase.execute(input, presenter);
    return presenter.viewModel;
  }

  async getSponsorDashboard(params: GetSponsorDashboardQueryParams): Promise<SponsorDashboardDTO | null> {
    this.logger.debug('[SponsorService] Fetching sponsor dashboard.', { params });

    const presenter = new GetSponsorDashboardPresenter();
    await this.getSponsorDashboardUseCase.execute(params, presenter);
    return presenter.viewModel as SponsorDashboardDTO | null;
  }

  async getSponsorSponsorships(params: GetSponsorSponsorshipsQueryParams): Promise<SponsorSponsorshipsDTO | null> {
    this.logger.debug('[SponsorService] Fetching sponsor sponsorships.', { params });

    const presenter = new GetSponsorSponsorshipsPresenter();
    await this.getSponsorSponsorshipsUseCase.execute(params, presenter);
    return presenter.viewModel as SponsorSponsorshipsDTO | null;
  }
}