// code from goatstore
// api: https://store.agi.bd
const fs = require("fs");
const path = require("path");

const bankDataPath = path.join(__dirname, "bankData.json");

function loadBankData() {
  try {
    if (!fs.existsSync(bankDataPath)) {
      fs.writeFileSync(bankDataPath, JSON.stringify({}, null, 2), "utf8");
    }

    const data = fs.readFileSync(bankDataPath, "utf8");
    return data.trim() ? JSON.parse(data) : {};
  } catch (error) {
    return {};
  }
}

function saveBankData(data) {
  fs.writeFileSync(bankDataPath, JSON.stringify(data, null, 2), "utf8");
}

function formatNumberWithFullForm(number) {
  number = Number(number) || 0;

  if (number >= 1e12) {
    return number.toLocaleString("en-US", {
      maximumFractionDigits: 2
    });
  }

  return number.toLocaleString("en-US", {
    maximumFractionDigits: 2
  });
}

module.exports = {
  config: {
    name: "bank",
    version: "2.0",
    description: "Deposit, withdraw, transfer and earn interest from your bank",
    guide: {
      en:
        "{pn} balance\n" +
        "{pn} deposit <amount>\n" +
        "{pn} withdraw <amount>\n" +
        "{pn} interest\n" +
        "{pn} transfer <UID> <amount>\n" +
        "{pn} richest"
    },
    category: "💰 Economy",
    countDown: 15,
    role: 0,
    author: "Loufi | SiAM | Samuel | Modified: Shikaki"
  },

  onStart: async function ({ args, message, event, api, usersData }) {
    try {
      const userID = String(event.senderID);
      const command = (args[0] || "balance").toLowerCase();

      const userMoneyRaw = await usersData.get(userID, "money");
      const userMoney = Number(userMoneyRaw) || 0;

      const bankData = loadBankData();

      if (!bankData[userID]) {
        bankData[userID] = {
          bank: 0,
          lastInterestClaimed: Date.now()
        };
        saveBankData(bankData);
      }

      if (typeof bankData[userID].bank !== "number") {
        bankData[userID].bank = Number(bankData[userID].bank) || 0;
      }

      if (!bankData[userID].lastInterestClaimed) {
        bankData[userID].lastInterestClaimed = Date.now();
      }

      const bankBalance = bankData[userID].bank;
      const amount = Number(args[1]);

      // =========================
      // BALANCE
      // =========================
      if (
        command === "balance" ||
        command === "bal" ||
        command === "b"
      ) {
        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "[🏦 BANK 🏦]\n\n" +
          `❏ Cash: $${formatNumberWithFullForm(userMoney)}\n\n` +
          `❏ Bank: $${formatNumberWithFullForm(bankBalance)}\n\n` +
          `❏ Total: $${formatNumberWithFullForm(userMoney + bankBalance)}\n\n` +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // DEPOSIT
      // =========================
      if (command === "deposit" || command === "dep") {
        if (!Number.isFinite(amount) || amount <= 0) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Please enter a valid amount to deposit 🔁\n\n" +
            "Example: bank deposit 1000\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (amount > userMoney) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ You don't have enough money to deposit ❌\n\n" +
            `❏ Your cash: $${formatNumberWithFullForm(userMoney)}\n` +
            `❏ Required: $${formatNumberWithFullForm(amount)}\n\n` +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        bankData[userID].bank += amount;

        await usersData.set(userID, {
          money: userMoney - amount
        });

        saveBankData(bankData);

        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "[🏦 Bank 🏦]\n\n" +
          `❏ Successfully deposited $${formatNumberWithFullForm(amount)} ✅\n\n` +
          `❏ Bank balance: $${formatNumberWithFullForm(bankData[userID].bank)}\n\n` +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // WITHDRAW
      // =========================
      if (
        command === "withdraw" ||
        command === "with"
      ) {
        if (!Number.isFinite(amount) || amount <= 0) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Please enter a valid amount to withdraw ❌\n\n" +
            "Example: bank withdraw 1000\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (amount > bankBalance) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Insufficient bank balance 🗿\n\n" +
            `❏ Bank balance: $${formatNumberWithFullForm(bankBalance)}\n` +
            `❏ Requested: $${formatNumberWithFullForm(amount)}\n\n` +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        bankData[userID].bank -= amount;

        await usersData.set(userID, {
          money: userMoney + amount
        });

        saveBankData(bankData);

        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "[🏦 Bank 🏦]\n\n" +
          `❏ Successfully withdrew $${formatNumberWithFullForm(amount)} ✅\n\n` +
          `❏ Cash: $${formatNumberWithFullForm(userMoney + amount)}\n` +
          `❏ Bank: $${formatNumberWithFullForm(bankData[userID].bank)}\n\n` +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // INTEREST
      // =========================
      if (command === "interest" || command === "int") {
        const interestRate = 0.001; // 0.1% per day
        const currentTime = Date.now();
        const lastClaim =
          Number(bankData[userID].lastInterestClaimed) || currentTime;

        const timeDiff = currentTime - lastClaim;
        const oneDay = 24 * 60 * 60 * 1000;

        if (bankBalance <= 0) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ You don't have money in your bank to earn interest 💸\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (timeDiff < oneDay) {
          const remaining = oneDay - timeDiff;
          const hours = Math.floor(remaining / 3600000);
          const minutes = Math.floor(
            (remaining % 3600000) / 60000
          );

          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            `❏ You can claim interest again in ${hours}h ${minutes}m ⏳\n\n` +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        const daysPassed = timeDiff / oneDay;
        const interestEarned =
          bankBalance * interestRate * daysPassed;

        bankData[userID].bank += interestEarned;
        bankData[userID].lastInterestClaimed = currentTime;

        saveBankData(bankData);

        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "[🏦 Bank 🏦]\n\n" +
          `❏ Interest earned: $${formatNumberWithFullForm(interestEarned)} 💰\n\n` +
          `❏ New bank balance: $${formatNumberWithFullForm(bankData[userID].bank)}\n\n` +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // TRANSFER
      // =========================
      if (
        command === "transfer" ||
        command === "send"
      ) {
        const recipientUID = String(args[1] || "");
        const transferAmount = Number(args[2]);

        if (!recipientUID || !/^\d+$/.test(recipientUID)) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Invalid recipient UID ❌\n\n" +
            "Example:\n" +
            "bank transfer 100012345678 5000\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (recipientUID === userID) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ You cannot transfer money to yourself 🗿\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (
          !Number.isFinite(transferAmount) ||
          transferAmount <= 0
        ) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Enter a valid transfer amount ❌\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (transferAmount > bankBalance) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Insufficient bank balance 💸\n\n" +
            `❏ Your bank: $${formatNumberWithFullForm(bankBalance)}\n` +
            `❏ Requested: $${formatNumberWithFullForm(transferAmount)}\n\n` +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        // Check recipient
        let recipientName = recipientUID;

        try {
          const userInfo = await api.getUserInfo(recipientUID);

          if (userInfo && userInfo[recipientUID]) {
            recipientName = userInfo[recipientUID].name;
          }
        } catch (error) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ Could not find that user ❌\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        if (!bankData[recipientUID]) {
          bankData[recipientUID] = {
            bank: 0,
            lastInterestClaimed: Date.now()
          };
        }

        bankData[userID].bank -= transferAmount;
        bankData[recipientUID].bank += transferAmount;

        saveBankData(bankData);

        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "[🏦 Bank 🏦]\n\n" +
          `❏ Sent: $${formatNumberWithFullForm(transferAmount)} ✅\n\n` +
          `❏ Recipient: ${recipientName}\n` +
          `❏ UID: ${recipientUID}\n\n` +
          `❏ Your new balance: $${formatNumberWithFullForm(bankData[userID].bank)}\n\n` +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // RICHEST
      // =========================
      if (
        command === "richest" ||
        command === "top"
      ) {
        const entries = Object.entries(bankData);

        if (entries.length === 0) {
          return message.reply(
            "╔════ஜ۩۞۩ஜ═══╗\n\n" +
            "[🏦 Bank 🏦]\n\n" +
            "❏ No bank data found yet.\n\n" +
            "╚════ஜ۩۞۩ஜ═══╝"
          );
        }

        entries.sort((a, b) => {
          return (
            Number(b[1].bank || 0) -
            Number(a[1].bank || 0)
          );
        });

        const topUsers = entries.slice(0, 10);
        let leaderboard = "";

        for (let i = 0; i < topUsers.length; i++) {
          const uid = topUsers[i][0];
          const balance = Number(topUsers[i][1].bank || 0);

          let name = uid;

          try {
            const info = await api.getUserInfo(uid);

            if (info && info[uid] && info[uid].name) {
              name = info[uid].name;
            }
          } catch (error) {}

          leaderboard +=
            `${i + 1}. ${name}\n` +
            `   💰 $${formatNumberWithFullForm(balance)}\n\n`;
        }

        return message.reply(
          "╔════ஜ۩۞۩ஜ═══╗\n\n" +
          "🏆 [ TOP BANK USERS ] 🏆\n\n" +
          leaderboard +
          "╚════ஜ۩۞۩ஜ═══╝"
        );
      }

      // =========================
      // HELP
      // =========================
      return message.reply(
        "╔════ஜ۩۞۩ஜ═══╗\n\n" +
        "[🏦 BANK COMMANDS 🏦]\n\n" +
        "❏ bank balance\n" +
        "❏ bank deposit <amount>\n" +
        "❏ bank withdraw <amount>\n" +
        "❏ bank interest\n" +
        "❏ bank transfer <UID> <amount>\n" +
        "❏ bank richest\n\n" +
        "╚════ஜ۩۞۩ஜ═══╝"
      );

    } catch (error) {
      console.error("BANK COMMAND ERROR:", error);

      return message.reply(
        "╔════ஜ۩۞۩ஜ═══╗\n\n" +
        "[🏦 Bank 🏦]\n\n" +
        "❏ An error occurred while processing the bank command 🥲\n" +
        "❏ Please try again later.\n\n" +
        "╚════ஜ۩۞۩ஜ═══╝"
      );
    }
  }
};