Student-Chatbot/test.php at main · Ningpah/Student-Chatbot · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
<?php
session_start();

// Destroy session on GET (unless coming from a POST login)
if ($_SERVER['REQUEST_METHOD'] !== 'POST' || (isset($_POST['message']) && !isset($_POST['matricule']))) {
    session_unset();
    session_destroy();
}

// Check if it's an AJAX chat request
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_SERVER['HTTP_CONTENT_TYPE']) && strpos($_SERVER['HTTP_CONTENT_TYPE'], 'application/json') !== false) {
    header('Content-Type: application/json');
    $input = json_decode(file_get_contents("php://input"), true);

    if (!isset($input['message'])) {
        echo json_encode(['reply' => 'No message provided.']);
        exit;
    }

    // Call Python Flask bot
    $ch = curl_init('http://localhost:5000/chat');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['message' => $input['message']]));

    $response = curl_exec($ch);

    if (curl_errno($ch)) {
        echo json_encode(['reply' => 'Bot error: ' . curl_error($ch)]);
        curl_close($ch);
        exit;
    }
    curl_close($ch);

    $botReply = json_decode($response, true);
    echo json_encode(['reply' => $botReply['response'] ?? 'No reply from bot']);
    exit;
}

// Database connection
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "cuib-bot";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// Handle login
$login_error = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['matricule']) && isset($_POST['password'])) {
    $matricule = $conn->real_escape_string($_POST['matricule']);
    $pass = $conn->real_escape_string($_POST['password']);

    $sql = "SELECT * FROM accounts WHERE matricule = '$matricule' AND password = '$pass'";
    $result = $conn->query($sql);

    if ($result && $result->num_rows === 1) {
        $_SESSION['user'] = $matricule;
    } else {
        $login_error = "Invalid matricule or password.";
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>CUIB BOT</title>
  <link rel="stylesheet" href="styles.css" />
</head>
<body>

<?php if (!isset($_SESSION['user'])): ?>
  <!-- Login Popup -->
  <div class="login-popup" id="loginPopup">
    <div class="login-box">
      <h2>Let’s get started.</h2>
      <?php if ($login_error): ?>
        <p class="error"><?= $login_error ?></p>
      <?php endif; ?>
      <form method="POST" action="">
        <input type="text" name="matricule" placeholder="Enter matricule" required />
        <input type="password" name="password" placeholder="Enter password" required />
        <button type="submit">Login</button>
      </form>
      <div class="help-text">
        <p><strong>Having trouble logging in?</strong><br>Get help at the Student Service Center</p>
      </div>
    </div>
  </div>
<?php else: ?>
<div class="app-wrapper">
  <div class="main-content">
    <!-- Header -->
    <header class="header">
      <nav class="sidebar" id="sidebar">
        <ul>
          <li><a href="#"><img src="images/home.png" alt="Home"> Home</a></li>
          <li><a href="#"><img src="images/calendar1.svg" alt="calendar"> School Calendar</a></li>
          <li><a href="#"><img src="images/settings.svg" alt="Settings"> Chat History</a></li>
          <li><a href="#"><img src="images/help.svg" alt="Help"> Help</a></li>
        </ul>
      </nav>
      <div class="overlay"></div>
      <div class="left-icons">
        <span class="menu" onclick="toggleSidebar()"><img src="images/menu.svg" alt="menu"></span>
      </div>
      <h1 class="title">CUIB BOT <img src="images/bot.svg" alt="Bot Icon" class="bot-icon" /></h1>
      <div class="right-icons">
        <span class="user-icon"><img src="images/avatar.svg" alt="Profile Photo"></span>
      </div>
    </header>

    <!-- Chat area -->
    <main class="chat-area" id="chatArea">
      <p>Welcome! Ask me anything.</p>
    </main>

    <!-- Footer -->
    <footer class="footer">
      <input type="text" id="chatInput" placeholder="Type your question..." />
    </footer>
  </div>
</div>
<?php endif; ?>

<script>
  const chatInput = document.getElementById('chatInput');
const chatArea = document.getElementById('chatArea');

if (chatInput) {
  chatInput.addEventListener('keypress', function (e) {
    if (e.key === 'Enter' && chatInput.value.trim() !== '') {
      const userMsg = chatInput.value;

      // Show user's message
      const message = document.createElement('div');
      message.textContent = userMsg;
      message.style.backgroundColor = '#00cfff';
      message.style.color = 'white';
      message.style.padding = '10px';
      message.style.margin = '5px';
      message.style.borderRadius = '10px';
      message.style.maxWidth = '70%';
      message.style.display = 'inline-block';
      message.style.float = 'right';
      message.style.clear = 'both';
      chatArea.appendChild(message);
      chatInput.value = '';
      chatArea.scrollTop = chatArea.scrollHeight;

      // Send to backend
      fetch('index.php', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ message: userMsg })
      })
      .then(res => res.json())
      .then(data => {
        const botMessage = document.createElement('div');
        botMessage.textContent = data.reply;
        botMessage.style.backgroundColor = '#eee';
        botMessage.style.padding = '10px';
        botMessage.style.margin = '5px';
        botMessage.style.borderRadius = '10px';
        botMessage.style.maxWidth = '70%';
        botMessage.style.display = 'inline-block';
        botMessage.style.float = 'left';
        botMessage.style.clear = 'both';
        chatArea.appendChild(botMessage);
        chatArea.scrollTop = chatArea.scrollHeight;
      })
      .catch(err => {
        const errorMsg = document.createElement('div');
        errorMsg.textContent = 'Bot error: ' + err;
        errorMsg.style.color = 'red';
        chatArea.appendChild(errorMsg);
      });
    }
  });
}
</script>

</body>
</html>