import { ViewModel } from "../contracts/view-models/ViewModel";
import { RatingTrendFormatter } from "../formatters/RatingTrendFormatter";
import { SkillLevelFormatter } from "../formatters/SkillLevelFormatter";
import { SkillLevelIconFormatter } from "../formatters/SkillLevelIconFormatter";
import { WinRateFormatter } from "../formatters/WinRateFormatter";
import type { LeaderboardDriverItem } from '../view-data/LeaderboardDriverItem';

export class DriverLeaderboardItemViewModel extends ViewModel {
  private readonly data: LeaderboardDriverItem;
  private readonly previousRating: number | undefined;

  constructor(data: LeaderboardDriverItem, previousRating?: number) {
    super();
    this.data = data;
    this.previousRating = previousRating;
  }

  get id(): string { return this.data.id; }
  get name(): string { return this.data.name; }
  get rating(): number { return this.data.rating; }
  get skillLevel(): string { return this.data.skillLevel; }
  get nationality(): string { return this.data.nationality; }
  get racesCompleted(): number { return this.data.racesCompleted; }
  get wins(): number { return this.data.wins; }
  get podiums(): number { return this.data.podiums; }
  get rank(): number { return this.data.rank; }
  get avatarUrl(): string { return this.data.avatarUrl; }
  get position(): number { return this.data.position; }

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

  /** UI-specific: Skill level icon */
  get skillLevelIcon(): string {
    return SkillLevelIconFormatter.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 WinRateFormatter.format(this.winRate);
  }

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

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

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