import type { LeaderboardDriverItem } from '@/lib/view-data/LeaderboardDriverItem';

import { ViewModel } from "../contracts/view-models/ViewModel";
import { SkillLevelDisplay } from "../display-objects/SkillLevelDisplay";
import { SkillLevelIconDisplay } from "../display-objects/SkillLevelIconDisplay";
import { WinRateDisplay } from "../display-objects/WinRateDisplay";
import { RatingTrendDisplay } from "../display-objects/RatingTrendDisplay";

export class DriverLeaderboardItemViewModel extends ViewModel {
  id: string;
  name: string;
  rating: number;
  skillLevel: string;
  nationality: string;
  racesCompleted: number;
  wins: number;
  podiums: number;
  rank: number;
  avatarUrl: string;
  position: number;
  private previousRating: number | undefined;

  constructor(viewData: LeaderboardDriverItem, previousRating?: number) {
    super();
    this.id = viewData.id;
    this.name = viewData.name;
    this.rating = viewData.rating;
    this.skillLevel = viewData.skillLevel;
    this.nationality = viewData.nationality;
    this.racesCompleted = viewData.racesCompleted;
    this.wins = viewData.wins;
    this.podiums = viewData.podiums;
    this.rank = viewData.rank;
    this.avatarUrl = viewData.avatarUrl;
    this.position = viewData.position;
    this.previousRating = previousRating;
  }

  /** UI-specific: Skill level color */
  get skillLevelColor(): string {
    return SkillLevelDisplay.getColor(this.skillLevel);
  }

  /** UI-specific: Skill level icon */
  get skillLevelIcon(): string {
    return SkillLevelIconDisplay.getIcon(this.skillLevel);
  }

  /** UI-specific: Win rate */
  get winRate(): number {
    return this.racesCompleted > 0 ? (this.wins / this.racesCompleted) * 100 : 0;
  }

  /** UI-specific: Formatted win rate */
  get winRateFormatted(): string {
    return WinRateDisplay.format(this.winRate);
  }

  /** UI-specific: Rating trend */
  get ratingTrend(): 'up' | 'down' | 'same' {
    return RatingTrendDisplay.getTrend(this.rating, this.previousRating);
  }

  /** UI-specific: Rating change indicator */
  get ratingChangeIndicator(): string {
    return RatingTrendDisplay.getChangeIndicator(this.rating, this.previousRating);
  }

  /** UI-specific: Position badge */
  get positionBadge(): string {
    return this.position.toString();
  }
}