document.addEventListener('DOMContentLoaded', () => {
  const startButton = document.getElementById('start');
  if (startButton) {
    startButton.addEventListener('click', () => {
      console.log("Start button clicked");
      chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
        console.log("Active tab:", tabs[0]);
        
        // Inject the content script
        chrome.scripting.executeScript({
          target: { tabId: tabs[0].id },
          files: ['content.js']
        }, () => {
          // After injection, send the message
          chrome.tabs.sendMessage(tabs[0].id, { action: "initiateDownload" }, (response) => {
            if (chrome.runtime.lastError) {
              console.error("Error:", chrome.runtime.lastError.message);
            } else {
              console.log("Message sent to content script, response:", response);
            }
          });
        });
      });
    });
  } else {
    console.error("Start button not found");
  }
});