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// Constants for the time difference threshold (in milliseconds) and message limit
const timeDifferenceThreshold = 1000; // Increased to 1 second
const messageLimit = 1; // Set this value to 2 (more than 2 messages in 1 second)

// Variables to track the latest message and state for the specific chat
let chatData = { count: 0, time: 0 };

// Function to track and handle spam messages
function banSpammer() {
  const currentTime = new Date().getTime();

  // Select the last p element
  const latestMessage = document.querySelector('.messages-content p:last-child');

  if (latestMessage) {
    // Select the span element with data-user attribute inside the latest p element
    const userIdElement = latestMessage.querySelector('span[data-user]');
    const userId = userIdElement ? userIdElement.getAttribute('data-user') : null;

    // Increment the user's message count for the specific chat
    chatData.count++;

    // Collect user information
    const userName = userIdElement ? userIdElement.textContent : 'Unknown User';

    if (userId && currentTime - chatData.time < timeDifferenceThreshold) {
      if (chatData.count > messageLimit) {
        // Remove all messages of the user if the limit is exceeded for the specific chat
        removeUserMessages(userId);

        // Calculate time difference
        const timeDifference = currentTime - chatData.time;

        // Log the spam information with id, name, time difference, and count in a single string
        console.log(
          `%cSpam information: User ID: ${userId}, User Name: ${userName}, Time Difference: ${timeDifference} ms, Message Count: ${chatData.count}`,
          'color: red'
        );

        // Reset user's message count for the specific chat
        chatData.count = 0;
      }
    } else {
      // Reset the user's message count if the time difference exceeds the threshold for the specific chat
      chatData.count = 1;

      // Calculate time difference
      const timeDifference = currentTime - chatData.time;

      // Log the spam information with id, name, time difference, and count in a single string
      console.log(
        `%cMessage information: User ID: ${userId}, User Name: ${userName}, Time Difference: ${timeDifference} ms, Message Count: ${chatData.count}`,
        'color: green'
      );
    }

    // Update the latest message information for the specific chat
    chatData.time = currentTime;
  }
}

// Function to remove all messages of a user in the specific chat
function removeUserMessages(userId) {
  const userMessages = document.querySelectorAll(`.messages-content span[data-user="${userId}"]`);
  userMessages.forEach(message => {
    const pTag = message.closest('p');
    if (pTag) {
      pTag.remove();
    }
  });
}

// Initialize Mutation Observer for the specific chat with class "messages-content"
function observeChat() {
  const chatContainer = document.querySelector('.messages-content');
  if (chatContainer) {
    const observer = new MutationObserver(mutations => {
      mutations.forEach(mutation => {
        if (mutation.addedNodes && mutation.addedNodes.length > 0) {
          // New node (message) added
          const newNode = mutation.addedNodes[0];
          if (newNode.tagName === 'P') {
            // Call the banSpammer function for the new message in the specific chat
            banSpammer();
          }
        }
      });
    });

    // Configure and start the observer for the specific chat
    const observerConfig = { childList: true, subtree: true };
    observer.observe(chatContainer, observerConfig);

    // Log that Mutation Observer is now observing for the specific chat
    console.log('Mutation Observer is now observing for the chat.');
  } else {
    console.error('Chat container not found.');
  }
}

// Example: Start observing the chat with class "messages-content"
observeChat();