// ======== Life Scrobbler Extension ========
// Fully self-contained version with base64 icons
// Stop scrobble code is commented out for now

// ====== Default Settings ======
const DEFAULT_SETTINGS = {
  delay: 8,
  blacklist: [
    "*.unbl.ink",
    "moz-extension://",
    "*.google.com",
    "gmail.com",
    "*.chatgpt.com",
    "*.ebay.com",
    "*.amazon.com",
    "*.merrysky.net",
    "gemgetter.clearlysharp.com/",
    "*.boardgamegeek.com",
    "*.duckduckgo.com",
    "*.geekgroup.app",
    "*.local",
    "*.service",
    "*.todoist.com",
  ],
  paused: false,
  siteDelays: { "readcomicsonline.ru": 1 },
  scrobbleBaseUrl: "https://life.lab.unbl.ink",
};

// ====== Base64 icons ======
const ICONS = {
  wait: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIA...",
  scrobbled: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIA...",
  stopped: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIA...",
  pause: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIA...",
};

// ====== State ======
let activeTabs = new Map(); // tabId -> timeout
let pausedTabs = new Set(); // tabIds that are paused

// ====== Utility Functions ======
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));
}

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

async function setPaused(tabId, paused) {
  if (paused) pausedTabs.add(tabId);
  else pausedTabs.delete(tabId);

  updateIcon(tabId, paused ? "pause" : "wait");
  // persist globally
  await browser.storage.local.set({ paused });
}

function updateIcon(tabId, state) {
  browser.browserAction.setIcon({ path: ICONS[state], tabId });
}

// ====== Scrobble Start ======
async function scrobbleStart(url, baseUrl) {
  const endpoint = `${baseUrl}/?scrobble_url=${encodeURIComponent(url)}`;
  try {
    await fetch(endpoint, { method: "GET" });
    console.log("LifeScrobbler: scrobbled", url);
  } catch (err) {
    console.error("LifeScrobbler: failed scrobble", url, err);
  }
}

// ====== Scrobble Stop ======
async function scrobbleStop(url, baseUrl) {
  const endpoint = `${baseUrl}/?action=stop&scrobble_url=${encodeURIComponent(url)}`;
  try {
    await fetch(endpoint, { method: "GET" });
    console.log("LifeScrobbler: stopped", url);
  } catch (err) {
    console.error("LifeScrobbler: stop failed", url, err);
  }
}

// ====== Delay for given URL ======
function getDelayForUrl(url, settings) {
  try {
    const u = new URL(url);
    console.log(u);
    for (const [domain, customDelay] of Object.entries(settings.siteDelays)) {
      console.log(domain, customDelay, u.hostname, domain == u.hostname);
      if (u.hostname.includes(domain)) {
        console.log("Found custom delay of ", customDelay);
        return customDelay;
      }
    }
  } catch (err) {}
  return settings.delay;
}

// ====== Tab Updates ======
browser.tabs.onUpdated.addListener(async (tabId, changeInfo, tab) => {
  if (changeInfo.status !== "complete" || !tab.url) return;

  const { delay, blacklist, scrobbleBaseUrl, paused } = await getSettings();
  const url = tab.url;

  // Skip if globally paused or blacklisted
  console.log(
    "Globally paused? ",
    paused,
    " - Is this tab paused? ",
    pausedTabs.has(tabId),
    " - Is site blacklisted? ",
    isBlacklisted(url, blacklist),
  );

  if (paused || pausedTabs.has(tabId) || isBlacklisted(url, blacklist)) return;
  updateIcon(tabId, "wait");

  const siteDelay = getDelayForUrl(url, await getSettings());
  console.log("Waiting " + siteDelay + " seconds before scrobbling ...");

  if (activeTabs.has(tabId)) clearTimeout(activeTabs.get(tabId));
  const timeout = setTimeout(() => {
    scrobbleStart(url, scrobbleBaseUrl);
    updateIcon(tabId, "scrobbled");
    setTimeout(() => updateIcon(tabId, "wait"), 3000);
  }, siteDelay * 1000);

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

// ====== Pause Toggle via Toolbar Icon ======
browser.browserAction.onClicked.addListener(async (tab) => {
  const { paused } = await getSettings();
  const tabPaused = pausedTabs.has(tab.id) || paused;
  setPaused(tab.id, !tabPaused);
});

// ====== Clean up on Tab Close ======
browser.tabs.onRemoved.addListener((tabId) => {
  if (activeTabs.has(tabId)) clearTimeout(activeTabs.get(tabId));
  pausedTabs.delete(tabId);
});

// ====== Web Navigation stop code is commented ======
browser.webNavigation.onBeforeNavigate.addListener((details) => {
  const { scrobbleBaseUrl } = DEFAULT_SETTINGS;
  // scrobbleStop(details.url, scrobbleBaseUrl);
  // TODO need to fix this in Scrobbler to check if a running scrobble exists and stop if it does
});