import { QuestionType, Difficulty } from './category.model';

/**
 * Question Interface
 * Represents a quiz question
 */
export interface Question {
  id: string;
  questionText: string;
  questionType: QuestionType;
  difficulty: Difficulty;
  categoryId: string;
  categoryName?: string;
  category?: {
    id: string;
    name: string;
    slug?: string;
    icon?: string;
    color?: string;
    guestAccessible?: boolean;
  };
  options?: string[] | { id: string; text: string }[]; // For multiple choice
  correctAnswer: string | string[];
  explanation: string;
  points: number;
  timeLimit?: number; // in seconds
  tags?: string[];
  keywords?: string[];
  isActive: boolean;
  isPublic: boolean;
  timesAttempted?: number;
  timesCorrect?: number;
  accuracy?: number;
  createdBy?: string;
  createdAt: string;
  updatedAt: string;
}

/**
 * Question Create/Update Request
 */
export interface QuestionFormData {
  questionText: string;
  questionType: QuestionType;
  difficulty: Difficulty;
  categoryId: string;
  options?: string[];
  correctAnswer: string | string[];
  explanation: string;
  points?: number;
  timeLimit?: number;
  tags?: string[];
  keywords?: string[];
  isPublic: boolean;
  isGuestAccessible: boolean;
}

/**
 * Question Search Filters
 */
export interface QuestionSearchFilters {
  q?: string; // search query
  category?: string;
  difficulty?: Difficulty;
  questionType?: QuestionType;
  isPublic?: boolean;
  page?: number;
  limit?: number;
}

/**
 * Question Search Response
 */
export interface QuestionSearchResponse {
  results: Question[];
  totalCount: number;
  page: number;
  limit: number;
}