import { NumberFormatter } from '@/lib/formatters/NumberFormatter';
import { RatingFormatter } from '@/lib/formatters/RatingFormatter';
import type { TeamListItemDTO } from '@/lib/types/generated/TeamListItemDTO';
import type { TeamSummaryData, TeamsViewData } from '@/lib/view-data/TeamsViewData';

import { ViewDataBuilder } from "../../contracts/builders/ViewDataBuilder";

type TeamsApiDto = {
  teams: TeamListItemDTO[];
};

export class TeamsViewDataBuilder {
  /**
   * Transform API DTO to ViewData
   *
   * @param apiDto - The DTO from the service
   * @returns ViewData for the teams page
   */
  public static build(apiDto: TeamsApiDto): TeamsViewData {
    const teams: TeamSummaryData[] = (apiDto.teams || []).map((team: TeamListItemDTO): TeamSummaryData => ({
      teamId: team.id,
      teamName: team.name,
      memberCount: team.memberCount,
      logoUrl: team.logoUrl || '',
      ratingLabel: RatingFormatter.format(team.rating),
      ratingValue: team.rating || 0,
      winsLabel: NumberFormatter.format(team.totalWins || 0),
      racesLabel: NumberFormatter.format(team.totalRaces || 0),
      region: team.region || '',
      isRecruiting: team.isRecruiting,
      category: team.category || '',
      performanceLevel: team.performanceLevel || '',
      description: team.description || '',
      countryCode: team.region || '', // Assuming region contains country code for now
    }));

    return { teams };
  }
}

TeamsViewDataBuilder satisfies ViewDataBuilder<TeamsApiDto, TeamsViewData>;