import { ViewModel } from "../contracts/view-models/ViewModel";
import type { RaceResultsDetailViewData } from "../view-data/RaceResultsDetailViewData";
import { RaceResultViewModel } from './RaceResultViewModel';

export class RaceResultsDetailViewModel extends ViewModel {
  private readonly data: RaceResultsDetailViewData;
  readonly results: RaceResultViewModel[];

  constructor(data: RaceResultsDetailViewData) {
    super();
    this.data = data;
    this.results = data.results.map(r => new RaceResultViewModel(r));
  }

  get raceId(): string { return this.data.raceId; }
  get track(): string { return this.data.track; }
  get currentUserId(): string { return this.data.currentUserId; }
  get league() { return this.data.league; }
  get race() { return this.data.race; }
  get drivers() { return this.data.drivers; }
  get pointsSystem() { return this.data.pointsSystem; }
  get fastestLapTime(): number { return this.data.fastestLapTime; }
  get penalties() { return this.data.penalties; }
  get currentDriverId(): string { return this.data.currentDriverId; }

  /** UI-specific: Results sorted by position */
  get resultsByPosition(): RaceResultViewModel[] {
    return [...this.results].sort((a, b) => a.position - b.position);
  }

  /** UI-specific: Results sorted by fastest lap */
  get resultsByFastestLap(): RaceResultViewModel[] {
    return [...this.results].sort((a, b) => a.fastestLap - b.fastestLap);
  }

  /** UI-specific: Clean drivers only */
  get cleanDrivers(): RaceResultViewModel[] {
    return this.results.filter(r => r.isClean);
  }

  /** UI-specific: Current user's result */
  get currentUserResult(): RaceResultViewModel | undefined {
    return this.results.find(r => r.driverId === this.currentUserId);
  }

  /** UI-specific: Race stats */
  get stats(): { totalDrivers: number; cleanRate: number; averageIncidents: number } {
    const total = this.results.length;
    const clean = this.cleanDrivers.length;
    const totalIncidents = this.results.reduce((sum, r) => sum + r.incidents, 0);
    return {
      totalDrivers: total,
      cleanRate: total > 0 ? (clean / total) * 100 : 0,
      averageIncidents: total > 0 ? totalIncidents / total : 0
    };
  }
}