import { Injectable } from '@angular/core';
import { Card } from '../models/blackjack.model';
import { GameState } from '../enum/gameState';

@Injectable({
  providedIn: 'root',
})
export class GameControlsService {
  calculateHandValue(cards: Card[]): number {
    let sum = 0;
    let aceCount = 0;

    const rankValues: Record<string, number> = {
      TWO: 2,
      THREE: 3,
      FOUR: 4,
      FIVE: 5,
      SIX: 6,
      SEVEN: 7,
      EIGHT: 8,
      NINE: 9,
      TEN: 10,
      JACK: 10,
      QUEEN: 10,
      KING: 10,
      ACE: 11,
    };

    for (const card of cards) {
      if (!card.hidden) {
        const value = rankValues[card.rank] || 0;
        sum += value;
        if (card.rank === 'ACE') {
          aceCount++;
        }
      }
    }

    while (sum > 21 && aceCount > 0) {
      sum -= 10;
      aceCount--;
    }

    return sum;
  }

  getStatusText(state: GameState): string {
    switch (state) {
      case GameState.IN_PROGRESS:
        return 'Spiel läuft';
      case GameState.PLAYER_WON:
        return 'Gewonnen!';
      case GameState.PLAYER_LOST:
        return 'Verloren!';
      case GameState.DRAW:
        return 'Unentschieden!';
      default:
        return state;
    }
  }

  getStatusClass(state: GameState): string {
    switch (state) {
      case GameState.PLAYER_WON:
        return 'text-emerald';
      case GameState.PLAYER_LOST:
        return 'text-accent-red';
      case GameState.DRAW:
        return 'text-yellow-400';
      default:
        return 'text-white';
    }
  }
}