export type GameState = 
  | 'LANDING' 
  | 'CREATING'
  | 'GENERATING' 
  | 'EDITING'
  | 'LOBBY' 
  | 'COUNTDOWN' 
  | 'QUESTION' 
  | 'REVEAL' 
  | 'SCOREBOARD' 
  | 'PODIUM'
  | 'DISCONNECTED'
  | 'WAITING_TO_REJOIN'
  | 'HOST_RECONNECTED';

export type GameRole = 'HOST' | 'CLIENT';

export interface AnswerOption {
  text: string;
  isCorrect: boolean;
  shape: 'triangle' | 'diamond' | 'circle' | 'square';
  color: 'red' | 'blue' | 'yellow' | 'green';
  reason?: string; // Explanation for why this answer is correct or incorrect
}

export interface Question {
  id: string;
  text: string;
  options: AnswerOption[];
  timeLimit: number; // in seconds
}

export interface GameConfig {
  shuffleQuestions: boolean;
  shuffleAnswers: boolean;
  hostParticipates: boolean;
  streakBonusEnabled: boolean;
  streakThreshold: number;
  streakMultiplier: number;
  comebackBonusEnabled: boolean;
  comebackBonusPoints: number;
  penaltyForWrongAnswer: boolean;
  penaltyPercent: number;
  firstCorrectBonusEnabled: boolean;
  firstCorrectBonusPoints: number;
}

export const DEFAULT_GAME_CONFIG: GameConfig = {
  shuffleQuestions: false,
  shuffleAnswers: false,
  hostParticipates: true,
  streakBonusEnabled: false,
  streakThreshold: 3,
  streakMultiplier: 1.1,
  comebackBonusEnabled: false,
  comebackBonusPoints: 50,
  penaltyForWrongAnswer: false,
  penaltyPercent: 25,
  firstCorrectBonusEnabled: false,
  firstCorrectBonusPoints: 50,
};

export interface Quiz {
  title: string;
  questions: Question[];
  config?: GameConfig;
}

export type QuizSource = 'manual' | 'ai_generated';

export interface SavedQuiz extends Quiz {
  id: string;
  source: QuizSource;
  aiTopic?: string;
  createdAt: string;
  updatedAt: string;
  config?: GameConfig;
}

export interface QuizListItem {
  id: string;
  title: string;
  source: QuizSource;
  aiTopic?: string;
  questionCount: number;
  createdAt: string;
  updatedAt: string;
}

export interface ProcessedDocument {
  type: 'native' | 'text';
  content: string | Buffer;
  mimeType?: string;
}

export interface GenerateQuizOptions {
  topic?: string;
  questionCount?: number;
  documents?: ProcessedDocument[];
}

export interface PointsBreakdown {
  basePoints: number;
  streakBonus: number;
  comebackBonus: number;
  firstCorrectBonus: number;
  penalty: number;
  total: number;
}

export interface Player {
  id: string;
  name: string;
  score: number;
  previousScore: number;
  streak: number;
  lastAnswerCorrect: boolean | null;
  selectedShape: 'triangle' | 'diamond' | 'circle' | 'square' | null;
  pointsBreakdown: PointsBreakdown | null;
  isBot: boolean;
  avatarSeed: number;
  color: string;
}

// Network Types
export type NetworkMessage = 
  | { type: 'JOIN'; payload: { name: string; reconnect?: boolean; previousId?: string } }
  | { type: 'WELCOME'; payload: { 
      playerId: string; 
      quizTitle: string; 
      players: Player[]; 
      gameState?: GameState; 
      score?: number; 
      streak?: number;
      hasAnswered?: boolean;
      lastAnswerCorrect?: boolean | null;
      lastPointsEarned?: number;
      selectedShape?: 'triangle' | 'diamond' | 'circle' | 'square' | null;
      currentQuestionIndex?: number;
      totalQuestions?: number;
      questionText?: string;
      options?: AnswerOption[];
      correctShape?: string;
      timeLeft?: number;
    } }
  | { type: 'PLAYER_JOINED'; payload: { player: Player } }
  | { type: 'GAME_START'; payload: {} }
  | { type: 'START_COUNTDOWN'; payload: { duration: number } }
  | { 
      type: 'QUESTION_START'; 
      payload: { 
        totalQuestions: number; 
        currentQuestionIndex: number; 
        timeLimit: number;
        correctShape: string;
        questionText: string;
        options: AnswerOption[];
      } 
    }
  | { type: 'ANSWER'; payload: { playerId: string; isCorrect: boolean; selectedShape: 'triangle' | 'diamond' | 'circle' | 'square' } }
  | { type: 'RESULT'; payload: { isCorrect: boolean; scoreAdded: number; newScore: number; breakdown: PointsBreakdown } }
  | { type: 'TIME_SYNC'; payload: { timeLeft: number } }
  | { type: 'TIME_UP'; payload: {} }
  | { type: 'SHOW_SCOREBOARD'; payload: { players: Player[] } }
  | { type: 'GAME_OVER'; payload: { players: Player[] } };