feat: 퀴즈 생성 시 내용 확인 추가, 디자인 수정

frontend/src/components/QuizForm/QuizCard.jsx

@@ -6,7 +6,7 @@ import PlusIcon from '/src/assets/icons/plus.svg?react';
 export default function QuizCard({ quiz, updateQuiz, deleteQuiz }) {
   // TODO: 카드 디자인 완성 및 이쁘게 바꾸기
   const [question, setQuestion] = useState(quiz.question || '');
-  const [answer, setAnswer] = useState(quiz.answer || '');
+  const [answer, setAnswer] = useState(Number(quiz.answer) || '');
   const [choices, setChoices] = useState(quiz.choices || []);
   const [image, setImage] = useState(quiz.image || null);
   const [imagePreview, setImagePreview] = useState(
@@ -31,6 +31,9 @@ export default function QuizCard({ quiz, updateQuiz, deleteQuiz }) {
     if (choices.length > 0) {
       const updatedChoices = choices.slice(0, -1);
       setChoices(updatedChoices);
+      if (updatedChoices.length < answer) {
+        setAnswer('');
+      }
       updateQuiz(quiz.id, { ...quiz, question, answer, choices: updatedChoices, image });
     }
   };
@@ -55,6 +58,12 @@ export default function QuizCard({ quiz, updateQuiz, deleteQuiz }) {
     }
   };
 
+  const handleChoiceSelect = (choiceContent) => {
+    console.log(choiceContent);
+    setAnswer(choiceContent);
+    updateQuiz(quiz.id, { ...quiz, question, answer: choiceContent, choices, image });
+  };
+
   return (
     <div className={styles.card}>
       <div className={styles.header}>
@@ -100,6 +109,20 @@ export default function QuizCard({ quiz, updateQuiz, deleteQuiz }) {
         placeholder="질문 내용을 입력하세요"
       />
       <label className={styles.label}>정답</label>
+      {choices.length > 0 ? (
+        <div className={styles.choicesWrapper}>
+          {choices.map((choice, index) => (
+            <button
+              type="button"
+              key={index + 1}
+              onClick={() => handleChoiceSelect(index + 1)}
+              className={`${styles.choiceButton} ${answer === index + 1 ? styles.selected : ''}`}
+            >
+              {index + 1}
+            </button>
+          ))}
+        </div>
+      ) : (
         <input
           type="text"
           value={answer}
@@ -111,6 +134,7 @@ export default function QuizCard({ quiz, updateQuiz, deleteQuiz }) {
           className={styles.input}
           placeholder="정답을 입력하세요"
         />
+      )}
       <div>
         <span>Tip: 선택지를 넣지 않는다면 단답형 문제가 됩니다</span>
       </div>

frontend/src/components/QuizForm/QuizCard.module.css

@@ -116,3 +116,39 @@
   cursor: pointer;
   padding: 0;
 }
+
+.choicesWrapper {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-top: 8px;
+}
+
+.choiceButton {
+  padding: 10px 16px;
+  background-color: var(--background-secondary);
+  border: 1px solid var(--background-tertiary);
+  border-radius: 4px;
+  cursor: pointer;
+  transition:
+    background-color 0.25s,
+    border-color 0.25s,
+    stroke 0.25s,
+    color 0.25s;
+}
+
+.choiceButton:hover {
+  background-color: var(--background-tertiary);
+}
+
+.selected {
+  border: 1px solid var(--primary-color);
+  background-color: var(--primary-color);
+  color: var(--on-primary);
+  stroke: var(--on-primary);
+}
+
+.selected:hover {
+  border: 1px solid var(--primary-color);
+  background-color: var(--primary-color);
+}

frontend/src/components/QuizForm/QuizDetailCard.jsx

@@ -1,4 +1,4 @@
-import styles from './QuizCard.module.css';
+import styles from './QuizDetailCard.module.css';
 import { STATIC_URL } from '../../constants';
 
 export default function QuizDetailCard({ index, question, answer, image, choices, userAnswer = null, correct = true }) {

frontend/src/components/QuizForm/QuizDetailCard.module.css

@@ -77,10 +77,6 @@
   padding: 7px;
 }
 
-.input::placeholder {
-  color: var(--text-color-tertiary);
-}
-
 .buttonsWrapper {
   display: flex;
   flex-direction: row;

frontend/src/components/QuizsetDetail/QuizsetDetail.module.css

@@ -46,6 +46,7 @@
   line-height: 1.2;
   font-weight: 800;
   margin: 0;
+  word-break: break-all;
 }
 
 .image {

frontend/src/pages/QuizsetEditPage/QuizsetEditPage.jsx

@@ -12,18 +12,39 @@ export default function QuizsetEditPage() {
   const handleSubmit = async (e, title, quizzes) => {
     e.preventDefault();
 
+    if (title === '') {
+      window.alert('퀴즈 제목이 없는 퀴즈셋은 생성할 수 없습니다');
+      return;
+    }
+
+    if (quizzes.length === 0) {
+      window.alert('퀴즈가 없는 퀴즈셋은 생성할 수 없습니다');
+      return;
+    }
+
     const images = [];
     const quizContents = [];
-    quizzes.forEach((quiz) => {
-      const { image, ...quizData } = quiz;
-      images.push(image);
-      if (quizData.id > initialValue.quizzes[initialValue.quizzes.length - 1].id) {
-        const { question, answer, choices } = quizData;
-        quizContents.push({ question, answer, choices });
-      } else {
-        quizContents.push(quizData);
+
+    for (let quiz of quizzes) {
+      const { image, question, answer, choices } = quiz;
+
+      if (question === '' || answer === '') {
+        window.alert('질문과 정답은 모든 문제에 필수값입니다.');
+        return;
+      }
+
+      if (choices.length > 0) {
+        for (let choice of choices) {
+          if (choice.content === '') {
+            window.alert('모든 선택지에는 내용이 필요합니다.');
+            return;
+          }
+        }
+      }
+
+      images.push(image);
+      quizContents.push({ question, answer, choices });
     }
-    });
 
     const quizsetObject = {
       id: quizsetId,

frontend/src/pages/QuizsetWritePage/QuizsetWritePage.jsx

@@ -8,6 +8,12 @@ export default function QuizsetWritePage() {
 
   const handleSubmit = async (e, title, quizzes) => {
     e.preventDefault();
+
+    if (title === '') {
+      window.alert('퀴즈 제목이 없는 퀴즈셋은 생성할 수 없습니다');
+      return;
+    }
+
     if (quizzes.length === 0) {
       window.alert('퀴즈가 없는 퀴즈셋은 생성할 수 없습니다');
       return;
@@ -16,12 +22,26 @@ export default function QuizsetWritePage() {
     const images = [];
     const quizContents = [];
 
-    quizzes.forEach((quiz) => {
-      // eslint-disable-next-line no-unused-vars
+    for (let quiz of quizzes) {
       const { image, question, answer, choices } = quiz;
+
+      if (question === '' || answer === '') {
+        window.alert('질문과 정답은 모든 문제에 필수값입니다.');
+        return;
+      }
+
+      if (choices.length > 0) {
+        for (let choice of choices) {
+          if (choice.content === '') {
+            window.alert('모든 선택지에는 내용이 필요합니다.');
+            return;
+          }
+        }
+      }
+
       images.push(image);
       quizContents.push({ question, answer, choices });
-    });
+    }
 
     const quizsetObject = {
       title,