const SCROBBLE_ENDPOINT = "https://life.lab.unbl.ink/?scrobble_url=";
const STOP_ENDPOINT = "https://life.lab.unbl.ink/?action=stop&scrobble_url=";

// Default settings
const DEFAULT_SETTINGS = {
  delay: 10,
  blacklist: ["*.unbl.ink", "moz-extension://"],
  paused: false,
};

// Utility: wildcard match
function matchPattern(url, pattern) {
  if (pattern.startsWith("*.")) {
    const domain = pattern.slice(2);
    return url.includes(domain);
  }
  return url.startsWith(pattern);
}

function isBlacklisted(url, blacklist) {
  return blacklist.some((p) => matchPattern(url, p));
}

let activeTabs = new Map();

// Load settings
async function getSettings() {
  return new Promise((resolve) => {
    browser.storage.local.get(DEFAULT_SETTINGS, (items) => resolve(items));
  });
}

// Save pause state
async function setPaused(paused) {
  await browser.storage.local.set({ paused });
  updateIcon(paused ? "pause" : "wait");
}

function updateIcon(state) {
  const icons = {
    wait: "icons/wait.png",
    scrobbled: "icons/check.png",
    stopped: "icons/stop.png",
    pause: "icons/pause.png",
  };
  browser.browserAction.setIcon({ path: icons[state] });
}

// Handle tab updates
browser.tabs.onUpdated.addListener(async (tabId, changeInfo, tab) => {
  if (changeInfo.status !== "complete" || !tab.url) return;
  const settings = await getSettings();
  const { delay, blacklist, paused } = settings;

  if (paused || isBlacklisted(tab.url, blacklist)) return;
  if (tab.url.startsWith("moz-extension://")) return;

  const url = encodeURIComponent(tab.url);
  updateIcon("wait");

  if (activeTabs.has(tabId)) clearTimeout(activeTabs.get(tabId));
  const timeout = setTimeout(() => {
    fetch(`${SCROBBLE_ENDPOINT}${url}`).then(() => updateIcon("scrobbled"));
  }, delay * 1000);

  activeTabs.set(tabId, timeout);
});

// Stop scrobble when navigating away or closing
function stopScrobble(tabId, url) {
  getSettings().then(({ blacklist }) => {
    if (!url || isBlacklisted(url, blacklist)) return;
    if (url.startsWith("moz-extension://")) return;
    fetch(`${STOP_ENDPOINT}${encodeURIComponent(url)}`).then(() =>
      updateIcon("stopped"),
    );
  });
}

browser.tabs.onRemoved.addListener((tabId) => {
  if (activeTabs.has(tabId)) clearTimeout(activeTabs.get(tabId));
});

//browser.webNavigation.onBeforeNavigate.addListener((details) => {
//  stopScrobble(details.tabId, details.url);
//});

// Toggle pause on icon click
browser.browserAction.onClicked.addListener(async () => {
  const { paused } = await getSettings();
  setPaused(!paused);
});