import '../models/question.dart';
import '../models/deck_config.dart';

/// Manages priority point calculations for questions.
class PriorityManager {
  /// Applies priority changes based on answer correctness.
  static Question applyAnswerResult({
    required Question question,
    required bool isCorrect,
    required DeckConfig config,
  }) {
    if (isCorrect) {
      final newPriority = (question.priorityPoints -
              config.priorityDecreaseOnCorrect)
          .clamp(0, double.infinity)
          .toInt();
      return question.withPriorityPoints(newPriority);
    } else {
      return question.copyWith(
        priorityPoints: question.priorityPoints +
            config.priorityIncreaseOnIncorrect,
      );
    }
  }

  /// Resets priority to 0.
  static Question resetPriority(Question question) {
    return question.withPriorityPoints(0);
  }
}