Be/main/jongmlee java lv1

v1/backend/JAVA_LV_1_알바의_달인/src/main/java/com/example/bot/BotImpl.java

@@ -1,14 +1,91 @@
 package com.example.bot;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 public class BotImpl implements JiwonBehavior {
 
+	List<String> orders = new ArrayList<>();
+
 	@Override
 	public void takeOrder(String order) {
+		if (order.equals("얼마야?")) {
+			result();
+			return;
+		}
+
+		String[] words = order.split("<|>");
 
+		if (isAddOrder(words)) {
+			addOrder(words);
+		} else if (isRemoveOrder(words)) {
+			removeOrder(words);
+		} else if (isCheckOrder(words)) {
+			checkOrder(words);
+		} else if (isCountOrder(words)) {
+			countOrder(words);
+		} else {
+			throw new RuntimeException("알 수 없는 명령입니다: " + order);
+		}
 	}
 
 	@Override
 	public void result() {
+		int totalPrice = orders.stream().mapToInt(String::length).sum();
+		System.out.printf("총 %d원 입니다\n", (totalPrice * 1000));
+	}
+
+	private boolean isAddOrder(String[] words) {
+		return (words.length == 4 && (words[2].equals("랑") || words[2].equals("이랑")))
+				|| words.length == 2;
+	}
+
+	private void addOrder(String[] words) {
+		int total = words[1].length();
+		orders.add(words[1]);
+		if (words.length == 4) {
+			total += words[3].length();
+			orders.add(words[3]);
+		}
+		System.out.printf("네 %d원이요\n", (total * 1000));
+	}
+
+	private boolean isRemoveOrder(String[] words) {
+		return words.length == 3 && words[2].equals("빼");
+	}
+
+	private void removeOrder(String[] words) {
+		if (orders.contains(words[1])) {
+			orders.removeIf(word -> word.equals(words[1]));
+			System.out.println("네");
+		} else {
+			System.out.printf("<%s>안 시키셨어요\n", words[1]);
+		}
+	}
+
+	private boolean isCheckOrder(String[] words) {
+		return words.length == 3 && words[2].equals("시켰나?");
+	}
+
+	private void checkOrder(String[] words) {
+		if (orders.contains(words[1])) {
+			System.out.printf("<%s>시키셨어요\n", words[1]);
+		} else {
+			System.out.printf("<%s>안 시키셨어요\n", words[1]);
+		}
+	}
+
+	private boolean isCountOrder(String[] words) {
+		return words.length == 3 && words[2].equals("몇 개야?");
+	}
 
+	private void countOrder(String[] words) {
+		if (orders.contains(words[1])) {
+			int count = Collections.frequency(orders, words[1]);
+			System.out.printf("<%s>%d개요\n", words[1], count);
+		} else {
+			System.out.printf("<%s>안 시키셨어요\n", words[1]);
+		}
 	}
-}
+}