GDSC-PKNU-Official · mimpie · Nov 26, 2023 · Nov 26, 2023 · Nov 26, 2023
diff --git a/index.html b/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    GDSC
+    <script src="main.js"></script>
+</body>
+</html>
diff --git a/main.js b/main.js
diff --git a/vendingMachine.js b/vendingMachine.js
@@ -0,0 +1,116 @@
+const readlineSync = require('readline-sync');
+
+const CURRENCY_DENOMINATIONS = [50000, 10000, 5000, 1000, 500, 100];
+
+const coldDrinks = {
+  '1': { name: '스프라이트', price: 1500 },
+  '2': { name: '코카콜라', price: 1300 },
+  '3': { name: '솔의눈', price: 1000 },
+  '4': { name: '펩시 콜라', price: 1100 },
+};
+
+const hotDrinks = {
+  '1': { name: 'TOP커피', price: 1800 },
+  '2': { name: '꿀물', price: 1500 },
+  '3': { name: '홍삼차', price: 1700 },
+  '4': { name: '단팥죽', price: 2100 },
+};
+
+function insertCash(totalAmount) {
+  console.log(`[현금 투입 : ${totalAmount}원]`);
+  console.log('[1] 5만원권 \n[2] 1만원권 \n[3] 5천원권 \n[4] 1천원권 \n[5] 500원 동전 \n[6] 100원 동전 \n[0] 반환');
+
+  const choice = readlineSync.question('사용자 입력 > ');
+
+  const inputValidation = () => {
+    !/^\d+$/.test(choice)
+  }
+  // 입력값이 숫자가 아니거나, 지원하는 지폐 및 동전 단위에 해당하지 않으면 재입력 요청
+  if (choice === '0') {
+    return 0;
+  } else if (inputValidation() || !CURRENCY_DENOMINATIONS[parseInt(choice, 10) - 1]) {
+    console.log('올바르지 않은 입력입니다. 다시 시도해주세요.');
+    return insertCash(totalAmount);
+
+  } else {
+    const selectedDenomination = CURRENCY_DENOMINATIONS[parseInt(choice, 10) - 1];
+    return totalAmount + selectedDenomination;
+  }
+}
+
+function calculateChange(amount, totalPrice) {
+  let remainingChange = amount - totalPrice;
+  const changeDenominations = {};
+
+  // 최소 지폐와 동전 개수로 거스름돈 계산
+  CURRENCY_DENOMINATIONS.forEach(denomination => {
+    const count = Math.floor(remainingChange / denomination);
+    if (count > 0) {
+      changeDenominations[denomination] = count;
+      remainingChange -= count * denomination;
+    }
+  });
+
+  return changeDenominations;
+}
+
+function calculateVAT(price) {
+  return price * 0.1;
+}
+
+function printOrderDetails(drinkName, paymentType, totalPrice, change) {
+  console.log(`이용해주셔서 감사합니다.\n[주문 음료] \n${drinkName}\n[투입 금액]\n${totalPrice}원\n[잔돈] \n${JSON.stringify(change)}`);
+}
+
+function runVendingMachine() {
+  console.log('[어서와요! GDSC 음료 자판기]\n계속 하려면 아무키나 입력하세요 ...');
+  readlineSync.keyInPause();
+
+  console.log('------------------------------\n음료를 선택 해주세요!\n[1] 차가운 음료\n[2] 따뜻한 음료');
+  const drinkType = readlineSync.question('사용자 입력 > ');
+
+  let selectedDrink;
+  if (drinkType === '1') {
+    console.log('------------------------------\n[차가운 음료]');
+    for (const key in coldDrinks) {
+      console.log(`[${key}] ${coldDrinks[key].name} : ${coldDrinks[key].price}원`);
+    }
+    const coldDrinkChoice = readlineSync.question('사용자 입력 > ');
+
+    selectedDrink = coldDrinks[coldDrinkChoice];
+  } else if (drinkType === '2') {
+    console.log('------------------------------\n[따뜻한 음료]');
+    for (const key in hotDrinks) {
+      console.log(`[${key}] ${hotDrinks[key].name} : ${hotDrinks[key].price}원`);
+    }
+    const hotDrinkChoice = readlineSync.question('사용자 입력 > ');
+
+
+    selectedDrink = hotDrinks[hotDrinkChoice];
+  } else {
+    console.log('올바르지 않은 입력입니다. 다시 시도해주세요.');
+    return runVendingMachine();
+  }
+
+  console.log('------------------------------\n[결제 방식 선택]\n[1] 현금\n[2] 카드 (부가세 10% 적용)');
+  const paymentType = readlineSync.question('사용자 입력 > ');
+
+  let totalPrice;
+  if (paymentType === '1') { 
+    totalPrice = selectedDrink.price;
+    let totalAmount = 0;
+
+    while (totalAmount < totalPrice) {
+      totalAmount = insertCash(totalAmount);
+    }
+
+    const change = calculateChange(totalAmount, totalPrice);
+    printOrderDetails(selectedDrink.name, '1', totalPrice, change);
+  } else if (paymentType === '2') {
+    const vat = calculateVAT(selectedDrink.price);
+    totalPrice = selectedDrink.price + vat;
+    printOrderDetails(selectedDrink.name, '2', totalPrice, {});
+  }
+}
+
+runVendingMachine();