Files
encoach_frontend/src/components/Exercises/TrueFalse.tsx

122 lines
4.2 KiB
TypeScript

import {TrueFalseExercise} from "@/interfaces/exam";
import useExamStore from "@/stores/examStore";
import {Fragment, useEffect, useState} from "react";
import {CommonProps} from ".";
import Button from "../Low/Button";
export default function TrueFalse({id, type, prompt, questions, userSolutions, onNext, onBack}: TrueFalseExercise & CommonProps) {
const [answers, setAnswers] = useState<{id: string; solution: "true" | "false" | "not_given"}[]>(userSolutions);
const hasExamEnded = useExamStore((state) => state.hasExamEnded);
useEffect(() => {
if (hasExamEnded) onNext({exercise: id, solutions: answers, score: calculateScore(), type});
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [hasExamEnded]);
const calculateScore = () => {
const total = questions.length || 0;
const correct = answers.filter(
(x) => questions.find((y) => x.id.toString() === y.id.toString())?.solution === x.solution.toLowerCase() || false,
).length;
const missing = total - answers.filter((x) => questions.find((y) => x.id.toString() === y.id.toString())).length;
return {total, correct, missing};
};
const toggleAnswer = (solution: "true" | "false" | "not_given", questionId: string) => {
const answer = answers.find((x) => x.id === questionId);
if (answer && answer.solution === solution) {
setAnswers((prev) => prev.filter((x) => x.id !== questionId));
return;
}
setAnswers((prev) => [...prev.filter((x) => x.id !== questionId), {id: questionId, solution}]);
};
return (
<>
<div className="flex flex-col gap-4 mt-4 h-full mb-20">
<span className="text-sm w-full leading-6">
{prompt.split("\\n").map((line, index) => (
<Fragment key={index}>
{line}
<br />
</Fragment>
))}
</span>
<div className="flex flex-col gap-6 mb-4">
<p>For each of the questions below, select</p>
<div className="pl-8 flex gap-8">
<span className="flex flex-col gap-4">
<span className="font-bold italic">TRUE</span>
<span className="font-bold italic">FALSE</span>
<span className="font-bold italic">NOT GIVEN</span>
</span>
<span className="flex flex-col gap-4">
<span>if the statement agrees with the information</span>
<span>if the statement contradicts with the information</span>
<span>if there is no information on this</span>
</span>
</div>
</div>
<span className="text-sm w-full leading-6">You can click a selected option again to deselect it.</span>
<div className="bg-mti-gray-smoke rounded-xl px-5 py-6 flex flex-col gap-8">
{questions.map((question, index) => (
<div key={question.id.toString()} className="flex flex-col gap-4">
<span>
{index + 1}. {question.prompt}
</span>
<div className="flex gap-4">
<Button
variant={
answers.find((x) => x.id.toString() === question.id.toString())?.solution === "true" ? "solid" : "outline"
}
onClick={() => toggleAnswer("true", question.id.toString())}
className="!py-2">
True
</Button>
<Button
variant={
answers.find((x) => x.id.toString() === question.id.toString())?.solution === "false" ? "solid" : "outline"
}
onClick={() => toggleAnswer("false", question.id.toString())}
className="!py-2">
False
</Button>
<Button
variant={
answers.find((x) => x.id.toString() === question.id.toString())?.solution === "not_given"
? "solid"
: "outline"
}
onClick={() => toggleAnswer("not_given", question.id.toString())}
className="!py-2">
Not Given
</Button>
</div>
</div>
))}
</div>
</div>
<div className="self-end flex justify-between w-full gap-8 absolute bottom-8 left-0 px-8">
<Button
color="purple"
variant="outline"
onClick={() => onBack({exercise: id, solutions: answers, score: calculateScore(), type})}
className="max-w-[200px] w-full">
Back
</Button>
<Button
color="purple"
onClick={() => onNext({exercise: id, solutions: answers, score: calculateScore(), type})}
className="max-w-[200px] self-end w-full">
Next
</Button>
</div>
</>
);
}