console.log("background.js started!");

function handlePageactionClick(tab, onClickData) {
  console.log("background.js: executing content script");
  let executing = browser.tabs.executeScript({file: "/contentscript.js"})
  executing.then(onExecuted, onExecutionError);
}

function onExecuted(result) {
  console.log(`background.js: content script execution successful with result: ${result}`);
}

function onExecutionError(error) {
  console.error(`background.js: The following error occured while executing a content script: ${error}`);
}

// add listener for the extension button
browser.pageAction.onClicked.addListener(handlePageactionClick);