// Crazy Dave's Casino & Bank System (Slot Machine & Bank Deposits/Loans)
window.CasinoSystem = class CasinoSystem {
  constructor(economy) {
    this.economy = economy;

    // Slot machine symbols
    this.symbols = [
      { id: 'sunflower', icon: '🌻', name: 'Подсолнух', weight: 30, mult: 4 },
      { id: 'pea',       icon: '🟢', name: 'Горох',     weight: 25, mult: 8 },
      { id: 'wallnut',   icon: '🌰', name: 'Орех',      weight: 20, mult: 12 },
      { id: 'cherry',    icon: '🍒', name: 'Вишня',     weight: 12, mult: 25 },
      { id: 'diamond',   icon: '💎', name: 'Алмаз',     weight: 6,  mult: 60, crystals: 2 },
      { id: 'jackpot7',  icon: '7️⃣', name: 'Семёрка',   weight: 3,  mult: 200, crystals: 5 },
      { id: 'brains',    icon: '🧠', name: 'Мозги',     weight: 4,  mult: 0, isZombie: true }
    ];

    // Bank State
    this.deposit = 0;
    this.depositStartTime = 0;
    this.interestRatePerHour = 0.05; // 5% per hour (up to 48 hours max)
    this.loan = 0;
    this.loanLimit = 2500;
    this.loanInterest = 0.10; // 10% fee

    // Statistics
    this.spinsTotal = 0;
    this.totalWon = 0;
    this.jackpotsWon = 0;

    this.isSpinning = false;
    this.currentBet = 50;
    this.lastReels = ['🌻', '🟢', '🌰'];

    this.loadFromAuth();
  }

  loadFromAuth() {
    if (window.PvZAuth) {
      const uData = window.PvZAuth.getUserData();
      if (uData.casino) {
        const c = uData.casino;
        this.deposit = Number(c.deposit) || 0;
        this.depositStartTime = Number(c.depositStartTime) || 0;
        this.loan = Number(c.loan) || 0;
        this.spinsTotal = Number(c.spinsTotal) || 0;
        this.totalWon = Number(c.totalWon) || 0;
        this.jackpotsWon = Number(c.jackpotsWon) || 0;
      }
    }
  }

  saveToAuth() {
    if (window.PvZAuth && !window.PvZAuth.isGuest()) {
      window.PvZAuth.saveUserData({
        casino: {
          deposit: this.deposit,
          depositStartTime: this.depositStartTime,
          loan: this.loan,
          spinsTotal: this.spinsTotal,
          totalWon: this.totalWon,
          jackpotsWon: this.jackpotsWon
        }
      });
    }
  }

  // Get random symbol based on weights
  getRandomSymbol() {
    const totalWeight = this.symbols.reduce((sum, s) => sum + s.weight, 0);
    let rand = Math.random() * totalWeight;
    for (const s of this.symbols) {
      if (rand < s.weight) return s;
      rand -= s.weight;
    }
    return this.symbols[0];
  }

  // Spin the reels
  spin(bet = this.currentBet) {
    if (this.isSpinning) return { error: 'Уже крутится!' };
    if (!this.economy || this.economy.totalCoins < bet) {
      return { error: 'Недостаточно монет для ставки!' };
    }

    // Deduct bet
    this.economy.totalCoins -= bet;
    this.economy.saveProfileData();
    this.spinsTotal++;
    this.isSpinning = true;

    // Pick 3 symbols
    const s1 = this.getRandomSymbol();
    const s2 = this.getRandomSymbol();
    const s3 = this.getRandomSymbol();
    this.lastReels = [s1.icon, s2.icon, s3.icon];

    let payout = 0;
    let crystalsAwarded = 0;
    let message = 'Повезет в следующий раз!';
    let isJackpot = false;

    // Check matches
    if (s1.id === s2.id && s2.id === s3.id) {
      // 3 of a kind
      if (s1.id === 'jackpot7') {
        payout = bet * s1.mult;
        crystalsAwarded = s1.crystals || 5;
        isJackpot = true;
        this.jackpotsWon++;
        message = `🔥 МЕГА ДЖЕКПОТ! +${payout} монет и +${crystalsAwarded} алмазов!`;
      } else if (s1.id === 'brains') {
        payout = 0;
        message = '🧟 АТАКА ЗОМБИ! Все барабаны съедены!';
      } else {
        payout = bet * s1.mult;
        if (s1.crystals) crystalsAwarded = s1.crystals;
        message = `🎉 СУПЕР ВЫИГРЫШ: 3x ${s1.name}! +${payout} монет!`;
      }
    } else if (s1.id === s2.id || s2.id === s3.id || s1.id === s3.id) {
      // 2 of a kind
      const matched = (s1.id === s2.id) ? s1 : (s2.id === s3.id ? s2 : s1);
      if (!matched.isZombie) {
        payout = Math.round(bet * Math.max(1.5, matched.mult * 0.35));
        message = `✨ Выигрыш: пара ${matched.icon}! +${payout} монет`;
      }
    }

    if (payout > 0) {
      this.economy.totalCoins += payout;
      this.totalWon += payout;
      this.economy.saveProfileData();
      if (crystalsAwarded > 0 && this.economy.engine && this.economy.engine.workshop) {
        this.economy.engine.workshop.addMaterial('crystals', crystalsAwarded);
      }
      if (window.PvZAudio) {
        if (isJackpot) window.PvZAudio.playWin();
        else window.PvZAudio.playCoin();
      }
    }

    this.isSpinning = false;
    this.saveToAuth();

    return {
      reels: [s1, s2, s3],
      icons: [s1.icon, s2.icon, s3.icon],
      payout,
      crystals: crystalsAwarded,
      isJackpot,
      message,
      coinsLeft: this.economy.totalCoins
    };
  }

  // Calculate accrued interest on deposit
  getAccruedInterest() {
    if (this.deposit <= 0 || !this.depositStartTime) return 0;
    const elapsedMs = Date.now() - this.depositStartTime;
    const hours = Math.min(elapsedMs / (1000 * 3600), 48); // max 48h cap
    return Math.floor(this.deposit * (this.interestRatePerHour * hours));
  }

  // Deposit coins into bank
  depositCoins(amount) {
    amount = Math.floor(amount);
    if (amount <= 0) return { success: false, message: 'Некорректная сумма' };
    if (!this.economy || this.economy.totalCoins < amount) {
      return { success: false, message: 'Недостаточно монет на руках' };
    }

    // Collect any prior accrued interest
    const interest = this.getAccruedInterest();
    const priorDeposit = this.deposit;

    this.economy.totalCoins -= amount;
    this.deposit = priorDeposit + interest + amount;
    this.depositStartTime = Date.now();
    this.economy.saveProfileData();
    this.saveToAuth();

    if (window.PvZAudio) window.PvZAudio.playCoin();
    return {
      success: true,
      deposit: this.deposit,
      addedInterest: interest,
      coinsLeft: this.economy.totalCoins,
      message: `Успешно внесено ${amount} монет! (Начислено %: +${interest})`
    };
  }

  // Withdraw full deposit + interest
  withdrawDeposit() {
    if (this.deposit <= 0) return { success: false, message: 'В банке нет вклада' };

    const interest = this.getAccruedInterest();
    const totalPayout = this.deposit + interest;

    this.economy.totalCoins += totalPayout;
    this.deposit = 0;
    this.depositStartTime = 0;
    this.economy.saveProfileData();
    this.saveToAuth();

    if (window.PvZAudio) window.PvZAudio.playWin();
    return {
      success: true,
      payout: totalPayout,
      interest,
      coinsLeft: this.economy.totalCoins,
      message: `Снято из банка: ${totalPayout} монет (включая % доход: +${interest})`
    };
  }

  // Take a loan from Crazy Dave
  takeLoan(amount) {
    amount = Math.floor(amount);
    if (this.loan > 0) {
      return { success: false, message: `У вас уже есть непогашенный кредит: ${this.loan} монет!` };
    }
    if (amount <= 0 || amount > this.loanLimit) {
      return { success: false, message: `Лимит кредита: от 100 до ${this.loanLimit} монет` };
    }

    const totalDebt = Math.round(amount * (1 + this.loanInterest));
    this.loan = totalDebt;
    this.economy.totalCoins += amount;
    this.economy.saveProfileData();
    this.saveToAuth();

    if (window.PvZAudio) window.PvZAudio.playCoin();
    return {
      success: true,
      amount,
      debt: totalDebt,
      coinsLeft: this.economy.totalCoins,
      message: `Кредит выдан! Получено +${amount} монет. К возврату: ${totalDebt} монет.`
    };
  }

  // Repay part or all loan
  repayLoan(amount) {
    if (this.loan <= 0) return { success: false, message: 'У вас нет долгов!' };
    amount = Math.min(this.loan, Math.floor(amount));
    if (amount <= 0 || this.economy.totalCoins < amount) {
      return { success: false, message: 'Недостаточно монет для погашения' };
    }

    this.economy.totalCoins -= amount;
    this.loan -= amount;
    this.economy.saveProfileData();
    this.saveToAuth();

    if (window.PvZAudio) window.PvZAudio.playCoin();
    return {
      success: true,
      paid: amount,
      debtLeft: this.loan,
      coinsLeft: this.economy.totalCoins,
      message: this.loan === 0 ? '🎉 КРЕДИТ ПОЛНОСТЬЮ ПОГАШЕН!' : `Погашено ${amount} монет. Остаток долга: ${this.loan}`
    };
  }
};