shadow/dashboard.html at main · shadow909559/shadow · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>Dashboard - Smart College Navigation</title>
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>

  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', sans-serif;
      transition: background 0.3s ease, color 0.3s ease;
    }

    body {
      background: #f5f7fb;
    }

    body.dark {
      background: #0f172a;
      color: #f1f5f9;
    }

    .dashboard {
      display: flex;
      min-height: 100vh;
    }

    /* ===== SIDEBAR ===== */
    .sidebar {
      width: 230px;
      background: white;
      padding: 25px;
      border-right: 1px solid #ddd;
      display: flex;
      flex-direction: column;
      gap: 15px;
      transition: width 0.3s ease;
    }

    body.dark .sidebar {
      background: #1e293b;
      border-right: 1px solid #334155;
    }

    .sidebar.collapsed {
      width: 70px;
    }

    .sidebar h2 {
      color: #2563eb;
    }

    .sidebar a {
      text-decoration: none;
      color: inherit;
      padding: 10px;
      border-radius: 6px;
      white-space: nowrap;
    }

    .sidebar a:hover,
    .sidebar a.active {
      background: #e0e7ff;
      color: #2563eb;
    }

    body.dark .sidebar a:hover,
    body.dark .sidebar a.active {
      background: #334155;
      color: #60a5fa;
    }

    .sidebar.collapsed a,
    .sidebar.collapsed h2 {
      font-size: 0;
    }

    /* ===== MAIN ===== */
    .main {
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    /* ===== TOPBAR ===== */
    .topbar {
      background: #2563eb;
      color: white;
      padding: 15px 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .topbar-left {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    #toggleSidebar, #darkModeToggle {
      background: white;
      border: none;
      padding: 6px 10px;
      border-radius: 6px;
      cursor: pointer;
    }

    .profile {
      background: white;
      color: #2563eb;
      width: 35px;
      height: 35px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    /* ===== CONTENT ===== */
    .dashboard-container {
      padding: 25px;
    }

    .cards {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 20px;
    }

    .card {
      padding: 20px;
      border-radius: 15px;
      width: 220px;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,0.7);
      box-shadow: 0 8px 25px rgba(0,0,0,0.05);
    }

    body.dark .card {
      background: rgba(30,41,59,0.7);
    }

    .card p {
      font-size: 22px;
      font-weight: bold;
      margin-top: 10px;
      color: #2563eb;
    }

    #resultsContainer div {
      background: rgba(255,255,255,0.7);
      padding: 15px;
      margin: 10px 0;
      border-radius: 10px;
    }

    body.dark #resultsContainer div {
      background: rgba(30,41,59,0.7);
    }

    .semester-section {
      background: rgba(37,99,235,0.1);
      border-left: 4px solid #2563eb;
      padding: 20px;
      margin: 20px 0;
      border-radius: 10px;
    }

    .semester-title {
      font-size: 18px;
      font-weight: bold;
      color: #2563eb;
      margin-bottom: 15px;
    }

    body.dark .semester-section {
      background: rgba(37,99,235,0.15);
    }

    .subject-result {
      background: rgba(255,255,255,0.5);
      padding: 12px;
      margin: 8px 0;
      border-radius: 8px;
      border-left: 3px solid #10b981;
    }

    body.dark .subject-result {
      background: rgba(30,41,59,0.5);
    }

    .graph-box {
      background: rgba(238,242,255,0.8);
      padding: 20px;
      border-radius: 15px;
      margin-top: 20px;
    }

    body.dark .graph-box {
      background: rgba(30,41,59,0.8);
    }
  </style>
</head>

<body>

<div class="dashboard">

  <div class="sidebar" id="sidebar">
    <h2>Smart College</h2>
    <a href="index.html">Home</a>
    <a href="map.html">College Map</a>
    <a href="notices.html">Notices</a>
    <a href="timetable.html">Timetable</a>
    <a href="exam.html">Exam Portal</a>
  </div>

  <div class="main">

    <div class="topbar">
      <div class="topbar-left">
        <button id="toggleSidebar">☰</button>
        <h1>Dashboard 🎓</h1>
      </div>

      <div style="display:flex; gap:10px; align-items:center;">
        <button id="darkModeToggle">🌙</button>
        <div class="profile" id="profileLetter">U</div>
        <button id="logoutBtn">Logout</button>
      </div>
    </div>

    <div class="dashboard-container">

      <h2>Welcome to your dashboard!</h2>

      <h3 style="margin-top:20px;">Exam Overview 📊</h3>

      <div class="cards">
        <div class="card">
          <h4>Total Exams</h4>
          <p id="totalExams">0</p>
        </div>

        <div class="card">
          <h4>Next Exam</h4>
          <p id="nextExam">None</p>
        </div>

        <div class="card">
          <h4>Days Remaining</h4>
          <p id="countdown">-</p>
        </div>
      </div>

      <div id="todayAlert" style="margin-top:15px; color:red;"></div>

      <hr style="margin:30px 0;">

      <h3>Your Results 📊</h3>
      <div id="resultsContainer">Loading results...</div>

      <h3 style="margin-top:20px;">Performance Graph 📈</h3>
      <h3 style="margin-top:20px;">Leaderboard 🏆</h3>
<div id="leaderboardContainer">Loading leaderboard...</div>
      <div class="graph-box">
        <canvas id="resultsChart"></canvas>
      </div>

    </div>
  </div>
</div>

<script type="module">
import { initializeApp } from "https://www.gstatic.com/firebasejs/12.9.0/firebase-app.js";
import { getAuth, signOut, onAuthStateChanged } from "https://www.gstatic.com/firebasejs/12.9.0/firebase-auth.js";
import { getFirestore, collection, query, where, getDocs, doc, getDoc } from "https://www.gstatic.com/firebasejs/12.9.0/firebase-firestore.js";

const firebaseConfig = {
  apiKey: "AIzaSyBzMLug_TU5BW7fxEpAND4KiyVjeWcxcrs",
  authDomain: "college-location-app.firebaseapp.com",
  projectId: "college-location-app"
};

const app = initializeApp(firebaseConfig);
const auth = getAuth(app);
const db = getFirestore(app);

const profileLetter = document.getElementById("profileLetter");

let chartInstance = null;

// ================= AUTH =================
onAuthStateChanged(auth, async (user) => {

  if (!user) {
    window.location.href = "login.html";
    return;
  }

  const userSnap = await getDoc(doc(db, "users", user.uid));
  const userDoc = userSnap.exists() ? userSnap.data() : null;

  if (!userDoc) {
    await signOut(auth);
    window.location.href = "login.html";
    return;
  }

  if (userDoc.role !== "student") {
    await signOut(auth);
    window.location.href = "admin.html";
    return;
  }

  profileLetter.innerText = user.email.charAt(0).toUpperCase();

  loadLeaderboard();

  // ================= LOAD RESULTS =================
  const q = query(collection(db, "results"), where("email", "==", user.email));
  const snapshot = await getDocs(q);

  const subjects = [];
  const percentages = [];
  const semesterMap = {};

  let output = "";

  snapshot.forEach(doc => {
    const data = doc.data();

    const subject = data.subject || "Unknown Subject";
    const semester = data.semester || "Unknown Semester";
    const marks = data.marks ?? 0;

    // Use marks directly for percentage (assuming marks out of 100 or normalize)
    const percent = Math.round(marks);

    const status = percent >= 40 ? "✅ Pass" : "❌ Fail";

    const date = data.timestamp
      ? new Date(data.timestamp.seconds * 1000).toLocaleString()
      : "No Date";

    subjects.push(subject);
    percentages.push(percent);

    // Organize by semester
    if (!semesterMap[semester]) {
      semesterMap[semester] = [];
    }

    semesterMap[semester].push({
      subject,
      marks,
      percent,
      status,
      date
    });
  });

  // Build HTML organized by semester
  const semesters = Object.keys(semesterMap).sort();

  semesters.forEach(semester => {
    output += `
      <div class="semester-section">
        <div class="semester-title">📚 ${semester}</div>
    `;

    semesterMap[semester].forEach(result => {
      output += `
        <div class="subject-result">
          <strong>${result.subject}</strong><br>
          Marks: ${result.marks}/100<br>
          Percentage: ${result.percent}%<br>
          Status: ${result.status}<br>
          <small>Attempted: ${result.date}</small>
        </div>
      `;
    });

    output += `</div>`;
  });

  document.getElementById("resultsContainer").innerHTML =
    output || "No results found.";

  if (subjects.length) createChart(subjects, percentages);

  loadExamOverview();

  // ===== CALCULATE STATS =====
  let totalPercent = 0;
  let totalCount = 0;
  let passed = 0;
  let failed = 0;

  snapshot.forEach(doc => {
    const data = doc.data();
    const marks = data.marks ?? 0;
    const percent = Math.round(marks);

    if (percent >= 40) passed++;
    else failed++;

    totalPercent += percent;
    totalCount++;
  });

  const avg = totalCount ? Math.round(totalPercent / totalCount) : 0;

  const statsHTML = `
    <div class="card">
      <h4>Average %</h4>
      <p>${avg}%</p>
    </div>

    <div class="card">
      <h4>Passed</h4>
      <p>${passed}</p>
    </div>

    <div class="card">
      <h4>Failed</h4>
      <p>${failed}</p>
    </div>
  `;

  document.querySelector(".cards").insertAdjacentHTML("beforeend", statsHTML);

  // ===== PERFORMANCE BADGE =====
  let badge = "";

  if (avg >= 80) badge = "🔥 Topper";
  else if (avg >= 50) badge = "👍 Good";
  else badge = "⚠ Needs Improvement";

  document.querySelector(".dashboard-container").insertAdjacentHTML(
    "beforeend",
    `<h3 style="margin-top:20px;">Your Performance: ${badge}</h3>`
  );
});

// ================= CHART =================
function createChart(subjects, percentages) {

  const ctx = document.getElementById("resultsChart").getContext("2d");

  if (chartInstance) chartInstance.destroy();

  chartInstance = new Chart(ctx, {
    type: "bar",
    data: {
      labels: subjects,
      datasets: [{
        label: "Percentage",
        data: percentages,
        backgroundColor: "#2563eb"
      }]
    },
    options: {
      scales: {
        y: {
          beginAtZero: true,
          max: 100
        }
      }
    }
  });
}

// ================= EXAM OVERVIEW =================
async function loadExamOverview() {

  const snapshot = await getDocs(collection(db, "timetable"));

  const exams = [];
  snapshot.forEach(doc => exams.push(doc.data()));

  document.getElementById("totalExams").innerText = exams.length;

  if (!exams.length) return;

  const today = new Date().toISOString().split("T")[0];

  exams.sort((a,b) => new Date(a.date) - new Date(b.date));

  const nextExam = exams.find(e => e.date >= today);

  if (!nextExam) return;

  document.getElementById("nextExam").innerText =
    nextExam.subject + " (" + nextExam.date + ")";

  const diff = Math.ceil(
    (new Date(nextExam.date) - new Date(today)) / (1000*60*60*24)
  );

  document.getElementById("countdown").innerText = diff;

  if (nextExam.date === today) {
    document.getElementById("todayAlert").innerText =
      "⚠️ You have an exam today: " + nextExam.subject;
  }
}

// ================= LEADERBOARD =================
async function loadLeaderboard(){

  const snapshot = await getDocs(collection(db, "results"));

  let allResults = [];

  snapshot.forEach(doc => {
    const data = doc.data();

    const score = data.score ?? 0;
    const total = data.total ?? 10;

    const percent = Math.round((score / total) * 100);

    allResults.push({
      email: data.email,
      subject: data.subject,
      percent: percent
    });
  });

  // SORT BY PERCENT
  allResults.sort((a,b) => b.percent - a.percent);

  // TOP 5
  const top = allResults.slice(0,5);

  let html = "";

  top.forEach((item, index) => {
    html += `
      <div>
        <strong>#${index+1}</strong>
        ${item.email}<br>
        ${item.subject} - ${item.percent}%
      </div>
    `;
  });

  document.getElementById("leaderboardContainer").innerHTML =
    html || "No data";
}

// ================= LOGOUT =================
document.getElementById("logoutBtn").addEventListener("click", () => {
  signOut(auth).then(() => window.location.href = "login.html");

});

</script>

</body>
</html>