initial commit

components/Header.tsx

@@ -0,0 +1,169 @@
+import React, { useState, useEffect } from "react";
+import { useRouter } from "next/navigation";
+import Image from "next/image";
+import { ChevronLeft, Layers } from "lucide-react";
+import { useTimer } from "@/context/TimerContext";
+import styles from "@/css/Header.module.css";
+
+const API_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:3000/api";
+
+// You'll need to implement getToken for Next.js - could use cookies, localStorage, etc.
+const getToken = async () => {
+  // Replace with your token retrieval logic
+  if (typeof window !== "undefined") {
+    return localStorage.getItem("token") || sessionStorage.getItem("token");
+  }
+  return null;
+};
+
+const Header = ({
+  image,
+  displayUser,
+  displaySubject,
+  displayTabTitle,
+  examDuration,
+}) => {
+  const router = useRouter();
+  const [totalSeconds, setTotalSeconds] = useState(
+    examDuration ? parseInt(examDuration) * 60 : 0
+  );
+  const { timeRemaining, stopTimer } = useTimer();
+  const [userData, setUserData] = useState(null);
+
+  useEffect(() => {
+    if (!examDuration) return;
+
+    const timer = setInterval(() => {
+      setTotalSeconds((prev) => {
+        if (prev <= 0) {
+          clearInterval(timer);
+          return 0;
+        }
+        return prev - 1;
+      });
+    }, 1000);
+
+    return () => clearInterval(timer);
+  }, [examDuration]);
+
+  useEffect(() => {
+    async function fetchUser() {
+      try {
+        const token = await getToken();
+        if (!token) return;
+
+        const response = await fetch(`${API_URL}/me`, {
+          method: "GET",
+          headers: {
+            Authorization: `Bearer ${token}`,
+          },
+        });
+
+        if (response.ok) {
+          const fetchedUserData = await response.json();
+          setUserData(fetchedUserData);
+        }
+      } catch (error) {
+        console.error("Error fetching user data:", error);
+      }
+    }
+
+    if (displayUser) {
+      fetchUser();
+    }
+  }, [displayUser]);
+
+  const hours = Math.floor(totalSeconds / 3600);
+  const minutes = Math.floor((totalSeconds % 3600) / 60);
+  const seconds = totalSeconds % 60;
+
+  const showExitDialog = () => {
+    const confirmed = window.confirm("Are you sure you want to quit the exam?");
+
+    if (confirmed) {
+      if (stopTimer) {
+        stopTimer();
+      }
+      router.push("/unit");
+    }
+  };
+
+  const handleBackClick = () => {
+    router.back();
+  };
+
+  return (
+    <header className={styles.header}>
+      {displayUser && (
+        <div className={styles.profile}>
+          {image && (
+            <Image
+              src={image}
+              alt="Profile"
+              width={40}
+              height={40}
+              className={styles.profileImg}
+            />
+          )}
+          <span className={styles.text}>
+            Hello {userData?.name ? userData.name.split(" ")[0] : ""}
+          </span>
+        </div>
+      )}
+
+      {displaySubject && (
+        <div className={styles.profile}>
+          <button onClick={handleBackClick} className={styles.iconButton}>
+            <ChevronLeft size={24} color="white" />
+          </button>
+          <span className={styles.text}>{displaySubject}</span>
+        </div>
+      )}
+
+      {displayTabTitle && (
+        <div className={styles.profile}>
+          <span className={styles.text}>{displayTabTitle}</span>
+        </div>
+      )}
+
+      {examDuration && (
+        <div className={styles.examHeader}>
+          <button onClick={showExitDialog} className={styles.iconButton}>
+            <ChevronLeft size={30} color="white" />
+          </button>
+
+          <div className={styles.timer}>
+            <div className={styles.timeUnit}>
+              <span className={styles.timeValue}>
+                {String(hours).padStart(2, "0")}
+              </span>
+              <span className={styles.timeLabel}>Hrs</span>
+            </div>
+            <div className={styles.timeUnit}>
+              <span className={styles.timeValue}>
+                {String(minutes).padStart(2, "0")}
+              </span>
+              <span className={styles.timeLabel}>Mins</span>
+            </div>
+            <div className={styles.timeUnit}>
+              <span className={styles.timeValue}>
+                {String(seconds).padStart(2, "0")}
+              </span>
+              <span className={styles.timeLabel}>Secs</span>
+            </div>
+          </div>
+
+          <button
+            disabled
+            onClick={() => router.push("/exam/modal")}
+            className={`${styles.iconButton} ${styles.disabled}`}
+          >
+            <Layers size={30} color="white" />
+          </button>
+        </div>
+      )}
+    </header>
+  );
+};
+
+export default Header;