Files
examjam-frontend/components/QuestionItem.tsx

115 lines
3.6 KiB
TypeScript

"use client";
import React from "react";
import { Question, Answer } from "@/types/exam";
import { Bookmark } from "lucide-react";
interface QuestionItemProps {
question: Question;
index: number;
selectedAnswer: Answer;
onSelect: (answer: Answer) => void;
userAnswer?: Answer; // new
correctAnswer?: Answer; // new
showResults?: boolean; // control whether to highlight or not
}
const letters = ["A", "B", "C", "D"]; // extend if needed
const QuestionItem: React.FC<QuestionItemProps> = ({
question,
index,
selectedAnswer,
onSelect,
userAnswer,
correctAnswer,
showResults = false,
}) => {
return (
<div className="border border-blue-100 p-6 bg-slate-100 rounded-3xl mb-6">
<p className="text-lg font-semibold mb-3">
{index + 1}. {question.question}
</p>
{!showResults && (
<div className="w-full flex justify-between">
<div></div>
<Bookmark size={24} />
</div>
)}
<div className="flex flex-col gap-3">
{question.options.map((opt, optIdx) => {
const isSelected =
question.type === "Single"
? selectedAnswer === optIdx
: Array.isArray(selectedAnswer) &&
selectedAnswer.includes(optIdx);
// ✅ logic for coloring after results
let btnClasses = "bg-gray-100 text-gray-900 border-gray-400";
if (isSelected) {
btnClasses = "bg-blue-600 text-white border-blue-600";
}
if (showResults && correctAnswer !== undefined) {
if (question.type === "Single") {
if (userAnswer === optIdx && userAnswer !== correctAnswer) {
btnClasses = "bg-red-500 text-white border-red-600"; // wrong
}
if (correctAnswer === optIdx) {
btnClasses = "bg-green-500 text-white border-green-600"; // correct
}
} else {
// Multi-select case
const userSelected =
Array.isArray(userAnswer) && userAnswer.includes(optIdx);
const isCorrect =
Array.isArray(correctAnswer) && correctAnswer.includes(optIdx);
if (userSelected && !isCorrect) {
btnClasses = "bg-red-500 text-white border-red-600";
}
if (isCorrect) {
btnClasses = "bg-green-500 text-white border-green-600";
}
}
}
return (
<div key={optIdx} className="flex items-center gap-3">
<button
onClick={() => {
if (showResults) return; // disable changes in results mode
if (question.type === "Single") {
onSelect(optIdx);
} else {
let newAnswers = Array.isArray(selectedAnswer)
? [...selectedAnswer]
: [];
if (newAnswers.includes(optIdx)) {
newAnswers = newAnswers.filter((a) => a !== optIdx);
} else {
newAnswers.push(optIdx);
}
onSelect(newAnswers);
}
}}
className={`w-7 h-7 rounded-full border font-bold
flex items-center justify-center
${btnClasses}
transition-colors`}
>
{letters[optIdx]}
</button>
<span className="text-gray-900">{opt}</span>
</div>
);
})}
</div>
</div>
);
};
export default QuestionItem;