Part intro's, modals between parts and some fixes

src/components/Medium/Timer.tsx

@@ -0,0 +1,80 @@
+import useExamStore from "@/stores/examStore";
+import { useEffect, useState } from "react";
+import { motion } from "framer-motion";
+import TimerEndedModal from "../TimerEndedModal";
+import clsx from "clsx";
+import { BsStopwatch } from "react-icons/bs";
+
+interface Props {
+    minTimer: number;
+    disableTimer?: boolean;
+    standalone?: boolean;
+}
+
+const Timer: React.FC<Props> = ({minTimer, disableTimer, standalone = false}) => {
+    const [timer, setTimer] = useState(minTimer * 60);
+    const [showModal, setShowModal] = useState(false);
+    const [warningMode, setWarningMode] = useState(false);
+
+    const setHasExamEnded = useExamStore((state) => state.setHasExamEnded);
+    const { timeSpent } = useExamStore((state) => state);
+
+    useEffect(() => setTimer((prev) => prev - timeSpent), [timeSpent]);
+
+    useEffect(() => {
+        if (!disableTimer) {
+            const timerInterval = setInterval(() => setTimer((prev) => prev - 1), 1000);
+
+            return () => {
+                clearInterval(timerInterval);
+            };
+        }
+    }, [disableTimer, minTimer]);
+
+    useEffect(() => {
+        if (timer <= 0) setShowModal(true);
+    }, [timer]);
+
+    useEffect(() => {
+        if (timer < 300 && !warningMode) setWarningMode(true);
+    }, [timer, warningMode]);
+
+    return (
+        <>
+            <TimerEndedModal
+                isOpen={showModal}
+                onClose={() => {
+                    setHasExamEnded(true);
+                    setShowModal(false);
+                }}
+            />
+            <motion.div
+                className={clsx(
+                    "absolute right-6 bg-mti-gray-seasalt px-4 py-3 flex items-center gap-2 rounded-full text-mti-gray-davy",
+                    standalone ? "top-6" : "top-4", 
+                    warningMode && !disableTimer && "bg-mti-red-light text-mti-gray-seasalt",
+                )}
+                initial={{ scale: warningMode && !disableTimer ? 0.8 : 1 }}
+                animate={{ scale: warningMode && !disableTimer ? 1.1 : 1 }}
+                transition={{ repeat: Infinity, repeatType: "reverse", duration: 0.5, ease: "easeInOut" }}>
+                <BsStopwatch className="w-6 h-6" />
+                <span className="text-base font-semibold w-12">
+                    {timer > 0 && (
+                        <>
+                            {Math.floor(timer / 60)
+                                .toString(10)
+                                .padStart(2, "0")}
+                            :
+                            {Math.floor(timer % 60)
+                                .toString(10)
+                                .padStart(2, "0")}
+                        </>
+                    )}
+                    {timer <= 0 && <>00:00</>}
+                </span>
+            </motion.div>
+        </>
+    );
+}
+
+export default Timer;