// Popup script for Jackbox Chat Tracker
console.log('Jackbox Chat Tracker: Popup loaded');

let isTracking = false;
let votes = [];

// DOM elements
const startBtn = document.getElementById('startTracking');
const stopBtn = document.getElementById('stopTracking');
const statusIndicator = document.getElementById('statusIndicator');
const statusText = document.getElementById('statusText');
const votesDisplay = document.getElementById('votesDisplay');
const voteCount = document.getElementById('voteCount');
const resetVotesBtn = document.getElementById('resetVotes');
const exportVotesBtn = document.getElementById('exportVotes');

// Initialize
loadState();

// Poll for updates every 2 seconds to keep sidebar in sync
setInterval(() => {
  chrome.storage.local.get(['isTracking', 'votes'], (result) => {
    const wasTracking = isTracking;
    isTracking = result.isTracking || false;
    votes = result.votes || [];
    
    if (wasTracking !== isTracking) {
      updateTrackingUI();
    }
    updateDisplay();
  });
}, 2000);

// Event listeners
startBtn.addEventListener('click', startTracking);
stopBtn.addEventListener('click', stopTracking);
resetVotesBtn.addEventListener('click', resetVotes);
exportVotesBtn.addEventListener('click', exportVotes);

// Listen for updates from content script
chrome.runtime.onMessage.addListener((message) => {
  if (message.action === 'votesUpdated') {
    votes = message.votes;
    updateDisplay();
  }
});

function loadState() {
  chrome.storage.local.get(['isTracking', 'votes'], (result) => {
    isTracking = result.isTracking || false;
    votes = result.votes || [];
    
    updateDisplay();
    updateTrackingUI();
    
    // Request current votes from content script
    chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
      if (tabs[0]) {
        chrome.tabs.sendMessage(tabs[0].id, { action: 'getVotes' }, (response) => {
          if (response && response.votes) {
            votes = response.votes;
            updateDisplay();
          }
        });
      }
    });
  });
}

function startTracking() {
  isTracking = true;
  chrome.storage.local.set({ isTracking });
  
  chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
    if (tabs[0]) {
      chrome.tabs.sendMessage(tabs[0].id, { action: 'startTracking' }, (response) => {
        if (response && response.success) {
          console.log('Tracking started');
          updateTrackingUI();
        }
      });
    }
  });
}

function stopTracking() {
  isTracking = false;
  chrome.storage.local.set({ isTracking });
  
  chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
    if (tabs[0]) {
      chrome.tabs.sendMessage(tabs[0].id, { action: 'stopTracking' }, (response) => {
        if (response && response.success) {
          console.log('Tracking stopped');
          updateTrackingUI();
        }
      });
    }
  });
}

function resetVotes() {
  if (!confirm('Reset all recorded votes? This cannot be undone.')) {
    return;
  }
  
  votes = [];
  chrome.storage.local.set({ votes });
  
  chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
    if (tabs[0]) {
      chrome.tabs.sendMessage(tabs[0].id, { action: 'resetVotes' }, (response) => {
        if (response && response.success) {
          console.log('Votes reset');
          updateDisplay();
        }
      });
    }
  });
}

function exportVotes() {
  // Export votes in the new format
  const exportData = votes.map(vote => ({
    username: vote.username,
    message: vote.message,
    timestamp: vote.timestamp
  }));
  
  const dataStr = JSON.stringify(exportData, null, 2);
  const dataBlob = new Blob([dataStr], { type: 'application/json' });
  const url = URL.createObjectURL(dataBlob);
  
  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
  const filename = `jackbox-votes-${timestamp}.json`;
  
  chrome.downloads.download({
    url: url,
    filename: filename,
    saveAs: true
  });
}

function updateTrackingUI() {
  if (isTracking) {
    statusIndicator.classList.add('active');
    statusText.textContent = 'Tracking Active';
    startBtn.disabled = true;
    stopBtn.disabled = false;
  } else {
    statusIndicator.classList.remove('active');
    statusText.textContent = 'Not Tracking';
    startBtn.disabled = false;
    stopBtn.disabled = true;
  }
}

function updateDisplay() {
  voteCount.textContent = votes.length;
  
  if (votes.length === 0) {
    votesDisplay.innerHTML = '<p class="empty-state">No votes recorded yet. Start tracking to begin!</p>';
    return;
  }
  
  // Display votes in reverse chronological order (most recent first)
  const sortedVotes = [...votes].reverse();
  
  let html = '<div class="vote-list">';
  sortedVotes.forEach((vote, index) => {
    const localTime = new Date(vote.timestamp).toLocaleString();
    const isPositive = vote.message.includes('++');
    const voteClass = isPositive ? 'vote-positive' : 'vote-negative';
    
    html += `
      <div class="vote-item ${voteClass}">
        <div class="vote-header">
          <strong>${escapeHtml(vote.username)}</strong>
          <span class="vote-time">${localTime}</span>
        </div>
        <div class="vote-message">${escapeHtml(vote.message)}</div>
      </div>
    `;
  });
  html += '</div>';
  
  votesDisplay.innerHTML = html;
}

function escapeHtml(text) {
  const div = document.createElement('div');
  div.textContent = text;
  return div.innerHTML;
}