Fill Blanks changes

src/components/Solutions/FillBlanks.tsx

@@ -1,8 +1,8 @@
-import {FillBlanksExercise} from "@/interfaces/exam";
+import { FillBlanksExercise, FillBlanksMCOption } from "@/interfaces/exam";
 import clsx from "clsx";
 import reactStringReplace from "react-string-replace";
-import {CommonProps} from ".";
-import {Fragment} from "react";
+import { CommonProps } from ".";
+import { Fragment } from "react";
 import Button from "../Low/Button";
 
 export default function FillBlanksSolutions({
@@ -19,21 +19,42 @@ export default function FillBlanksSolutions({
 	const calculateScore = () => {
 		const total = text.match(/({{\d+}})/g)?.length || 0;
 		const correct = userSolutions.filter((x) => {
-			const solution = solutions.find((y) => x.id.toString() === y.id.toString())?.solution.toLowerCase();
+			const solution = solutions.find((y) => x.id.toString() === y.id.toString())?.solution;
 			if (!solution) return false;
 
-			const option = words.find((w) =>
-				typeof w === "string" ? w.toLowerCase() === x.solution.toLowerCase() : w.letter.toLowerCase() === x.solution.toLowerCase(),
-			);
+			const option = words.find((w) => {
+				if (typeof w === "string") {
+					return w.toLowerCase() === x.solution.toLowerCase();
+				} else if ('letter' in w) {
+					return w.word.toLowerCase() === x.solution.toLowerCase();
+				} else {
+					return w.id === x.id;
+				}
+			});
 			if (!option) return false;
 
-			return solution === (typeof option === "string" ? option.toLowerCase() : option.word.toLowerCase());
+			if (typeof option === "string") {
+				return solution.toLowerCase() === option.toLowerCase();
+			} else if ('letter' in option) {
+				return solution.toLowerCase() === option.word.toLowerCase();
+			} else if ('options' in option) {
+				return option.options[solution as keyof typeof option.options] == x.solution;
+			}
+			return false;
 		}).length;
+
 		const missing = total - userSolutions.filter((x) => solutions.find((y) => x.id.toString() === y.id.toString())).length;
 
-		return {total, correct, missing};
+		return { total, correct, missing };
 	};
 
+
+	const typeCheckWordsMC = (words: any[]): words is FillBlanksMCOption[] => {
+		return Array.isArray(words) && words.every(
+			word => word && typeof word === 'object' && 'id' in word && 'options' in word
+		);
+	}
+
 	const renderLines = (line: string) => {
 		return (
 			<span>
@@ -56,23 +77,53 @@ export default function FillBlanksSolutions({
 					const userSolutionWord = words.find((w) =>
 						typeof w === "string"
 							? w.toLowerCase() === userSolution.solution.toLowerCase()
-							: w.letter.toLowerCase() === userSolution.solution.toLowerCase(),
+							: 'letter' in w
+								? w.letter.toLowerCase() === userSolution.solution.toLowerCase()
+								: 'options' in w
+									? w.id === userSolution.id
+									: false
 					);
-					const userSolutionText = typeof userSolutionWord === "string" ? userSolutionWord : userSolutionWord?.word;
 
-					if (userSolutionText === solution.solution) {
+					const userSolutionText =
+						typeof userSolutionWord === "string"
+							? userSolutionWord
+							: userSolutionWord && 'letter' in userSolutionWord
+								? userSolutionWord.word
+								: userSolutionWord && 'options' in userSolutionWord
+									? userSolution.solution
+									: userSolution.solution;
+
+					let correct;
+					let solutionText;
+					if (typeCheckWordsMC(words)) {
+						const options = words.find((x) => x.id === id);
+						if (options) {
+							const correctKey = Object.keys(options.options).find(key =>
+								key.toLowerCase() === solution.solution.toLowerCase()
+							);
+							correct = userSolution.solution == options.options[correctKey as keyof typeof options.options];
+							solutionText = options.options[correctKey as keyof typeof options.options] || solution.solution;
+						} else {
+							correct = false;
+							solutionText = solution.solution;
+						}
+
+					} else {
+						correct = userSolutionText === solution.solution;
+						solutionText = solution.solution;
+					}
+
+					if (correct) {
 						return (
 							<button
 								className={clsx(
 									"rounded-full hover:text-white hover:bg-mti-purple transition duration-300 ease-in-out my-1",
 									userSolution && "px-5 py-2 text-center text-white bg-mti-purple-light",
 								)}>
-								{solution.solution}
+								{solutionText}
 							</button>
 						);
-					}
-
-					if (userSolutionText !== solution.solution) {
+					} else {
 						return (
 							<>
 								<button
@@ -88,7 +139,7 @@ export default function FillBlanksSolutions({
 										"rounded-full hover:text-white hover:bg-mti-purple transition duration-300 ease-in-out my-1",
 										userSolution && "px-5 py-2 text-center text-white bg-mti-purple-light",
 									)}>
-									{solution.solution}
+									{solutionText}
 								</button>
 							</>
 						);
@@ -138,14 +189,14 @@ export default function FillBlanksSolutions({
 				<Button
 					color="purple"
 					variant="outline"
-					onClick={() => onBack({exercise: id, solutions: userSolutions, score: calculateScore(), type})}
+					onClick={() => onBack({ exercise: id, solutions: userSolutions, score: calculateScore(), type })}
 					className="max-w-[200px] w-full">
 					Back
 				</Button>
 
 				<Button
 					color="purple"
-					onClick={() => onNext({exercise: id, solutions: userSolutions, score: calculateScore(), type})}
+					onClick={() => onNext({ exercise: id, solutions: userSolutions, score: calculateScore(), type })}
 					className="max-w-[200px] self-end w-full">
 					Next
 				</Button>