Updated the writing exam to work based on exercises instead of just a single one

src/exams/Writing.tsx

@@ -1,5 +1,9 @@
+import {renderExercise} from "@/components/Exercises";
+import {renderSolution} from "@/components/Solutions";
 import {infoButtonStyle} from "@/constants/buttonStyles";
 import {UserSolution, WritingExam} from "@/interfaces/exam";
+import {mdiArrowRight} from "@mdi/js";
+import Icon from "@mdi/react";
 import clsx from "clsx";
 import {Fragment, useEffect, useState} from "react";
 import {toast} from "react-toastify";
@@ -11,9 +15,9 @@ interface Props {
 }
 
 export default function Writing({exam, showSolutions = false, onFinish}: Props) {
-	const [inputText, setInputText] = useState("");
-	const [isSubmitEnabled, setIsSubmitEnabled] = useState(false);
+	const [exerciseIndex, setExerciseIndex] = useState(0);
 	const [timer, setTimer] = useState<number>();
+	const [userSolutions, setUserSolutions] = useState<UserSolution[]>([]);
 
 	useEffect(() => {
 		setTimer(exam.minTimer * 60);
@@ -24,22 +28,29 @@ export default function Writing({exam, showSolutions = false, onFinish}: Props)
 		};
 	}, [exam.minTimer]);
 
-	useEffect(() => {
-		const words = inputText.split(" ").filter((x) => x !== "");
-		const {wordCounter} = exam.text;
-		if (wordCounter.type === "min") {
-			setIsSubmitEnabled(wordCounter.limit <= words.length);
-		} else {
-			setIsSubmitEnabled(true);
-			if (wordCounter.limit < words.length) {
-				toast.warning(`You have reached your word limit of ${wordCounter.limit} words!`, {toastId: "word-limit"});
-				setInputText(words.slice(0, words.length - 1).join(" "));
-			}
+	const nextExercise = (solution?: UserSolution) => {
+		if (solution) {
+			setUserSolutions((prev) => [...prev.filter((x) => x.id !== solution.id), solution]);
 		}
-	}, [inputText, exam]);
+
+		if (exerciseIndex + 1 < exam.exercises.length) {
+			setExerciseIndex((prev) => prev + 1);
+			return;
+		}
+
+		if (solution) {
+			onFinish([...userSolutions.filter((x) => x.id !== solution.id), solution].map((x) => ({...x, module: "writing", exam: exam.id})));
+		} else {
+			onFinish(userSolutions.map((x) => ({...x, module: "writing", exam: exam.id})));
+		}
+	};
+
+	const previousExercise = () => {
+		setExerciseIndex((prev) => prev - 1);
+	};
 
 	return (
-		<div className="h-full w-full flex flex-col items-center justify-center gap-8 relative">
+		<div className="w-full h-full relative flex flex-col gap-8 items-center justify-center p-8 px-16 overflow-hidden">
 			{timer && (
 				<div className="absolute w-24 top-8 text-center right-8 font-semibold text-lg border-ielts-writing border-2 p-2 rounded-xl bg-ielts-writing-transparent text-white">
 					{Math.floor(timer / 60) < 10 ? "0" : ""}
@@ -47,46 +58,22 @@ export default function Writing({exam, showSolutions = false, onFinish}: Props)
 					{timer % 60}
 				</div>
 			)}
-			<div className="flex flex-col max-w-2xl gap-2">
-				<span>{exam.text.info}</span>
-				<span className="font-bold ml-8">
-					{exam.text.prompt.split("\\n").map((line, index) => (
-						<Fragment key={index}>
-							<span>{line}</span>
-							<br />
-						</Fragment>
-					))}
-				</span>
-				<span>
-					You should write {exam.text.wordCounter.type === "min" ? "at least" : "at most"} {exam.text.wordCounter.limit} words.
-				</span>
-			</div>
-			<textarea
-				className="w-1/2 h-1/3 cursor-text p-2 input input-bordered bg-white"
-				onChange={(e) => setInputText(e.target.value)}
-				value={inputText}
-				placeholder="Write your text here..."
-			/>
-			<div className="w-1/2 flex justify-end">
-				{!isSubmitEnabled && (
-					<div className="tooltip" data-tip={`You have not yet reached your minimum word count of ${exam.text.wordCounter.limit} words!`}>
-						<button
-							className={clsx("btn btn-wide gap-4 relative text-white", infoButtonStyle)}
-							disabled={!isSubmitEnabled}
-							onClick={() => onFinish([{id: exam.id, solutions: [inputText.trim()], score: {correct: 0, total: 1}}])}>
-							Next
-						</button>
+			{exerciseIndex > -1 &&
+				exerciseIndex < exam.exercises.length &&
+				!showSolutions &&
+				renderExercise(exam.exercises[exerciseIndex], nextExercise, previousExercise)}
+			{exerciseIndex > -1 &&
+				exerciseIndex < exam.exercises.length &&
+				showSolutions &&
+				renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise)}
+			{exerciseIndex === -1 && (
+				<button className={clsx("btn btn-wide gap-4 relative text-white self-end", infoButtonStyle)} onClick={() => nextExercise()}>
+					Next
+					<div className="absolute right-4">
+						<Icon path={mdiArrowRight} color="white" size={1} />
 					</div>
-				)}
-				{isSubmitEnabled && (
-					<button
-						className={clsx("btn btn-wide gap-4 relative text-white", infoButtonStyle)}
-						disabled={!isSubmitEnabled}
-						onClick={() => onFinish([{id: exam.id, solutions: [inputText.trim()], score: {correct: 0, total: 1}}])}>
-						Next
-					</button>
-				)}
-			</div>
+				</button>
+			)}
 		</div>
 	);
 }