import argparse
import arrow
import hashlib
import logging
import re
import httpx
import time
import os
import subprocess
from dotenv import load_dotenv
from atproto import Client, client_utils, models
from playwright.sync_api import sync_playwright
from moviepy import VideoFileClip

# --- Configuration ---
LOG_PATH = "twitter2bsky.log"
SCRAPE_TWEET_LIMIT = 30
DEDUPE_BSKY_LIMIT = 30
TWEET_MAX_AGE_DAYS = 3
APPEND_SOURCE_TWEET_URL = True

# --- Logging Setup ---
logging.basicConfig(
    format="%(asctime)s [%(levelname)s] %(message)s",
    handlers=[logging.FileHandler(LOG_PATH, encoding="utf-8"), logging.StreamHandler()],
    level=logging.INFO,
)


# --- Custom Classes ---
class ScrapedMedia:
    def __init__(self, url, media_type="photo"):
        self.type = media_type
        self.media_url_https = url


class ScrapedTweet:
    def __init__(self, created_on, text, media_urls, tweet_url=None):
        self.created_on = created_on
        self.text = text
        self.tweet_url = tweet_url
        self.media = [ScrapedMedia(url, media_type) for url, media_type in media_urls]


# --- Helpers ---
def take_error_screenshot(page, error_msg):
    logging.info(f"📸 Taking screenshot... Shot: {error_msg}")
    timestamp = time.strftime("%Y%m%d_%H%M%S")
    screenshot_name = f"screenshot_{timestamp}.png"
    page.screenshot(path=screenshot_name)
    logging.info(f"📸 Screenshot saved as: {screenshot_name}")


def is_valid_url(url):
    try:
        response = httpx.head(url, timeout=5, follow_redirects=True)
        return response.status_code < 500
    except Exception:
        return False


def clean_url(url):
    trimmed_url = url.strip()
    cleaned_url = re.sub(r"\s+", "", trimmed_url)
    cleaned_url = re.sub(r"[…\.]+$", "", cleaned_url)

    if is_valid_url(cleaned_url):
        return cleaned_url
    return None


def canonicalize_tweet_url(url):
    """
    Canonicalize x.com/twitter.com status URLs for dedupe.
    """
    if not url:
        return None

    url = url.strip()

    match = re.search(r"https?://(?:www\.)?(?:x\.com|twitter\.com)/([^/]+)/status/(\d+)", url, re.IGNORECASE)
    if not match:
        return url.lower()

    handle = match.group(1).lower()
    tweet_id = match.group(2)
    return f"https://x.com/{handle}/status/{tweet_id}"


def extract_urls_from_text(text):
    if not text:
        return []
    return re.findall(r"https?://[^\s]+", text)


def extract_urls_from_facets(record):
    """
    Extract link URLs from Bluesky rich text facets if present.
    """
    urls = []

    try:
        facets = getattr(record, "facets", None) or []
        for facet in facets:
            features = getattr(facet, "features", None) or []
            for feature in features:
                uri = getattr(feature, "uri", None)
                if uri:
                    urls.append(uri)
    except Exception as e:
        logging.debug(f"Could not extract facet URLs: {e}")

    return urls


def get_blob_from_url(media_url, client):
    try:
        r = httpx.get(media_url, timeout=30, follow_redirects=True)
        if r.status_code == 200:
            return client.upload_blob(r.content).blob
    except Exception as e:
        logging.warning(f"Could not fetch media {media_url}: {e}")
    return None


def get_blob_from_file(file_path, client):
    try:
        with open(file_path, "rb") as f:
            return client.upload_blob(f.read()).blob
    except Exception as e:
        logging.warning(f"Could not upload local file {file_path}: {e}")
    return None


def prepare_post_text(text, tweet_url=None):
    """
    Prepare the final text exactly as it would be posted to Bluesky.
    Optionally append source tweet URL for stronger dedupe.
    """
    raw_text = (text or "").strip()

    if APPEND_SOURCE_TWEET_URL and tweet_url:
        canonical_url = canonicalize_tweet_url(tweet_url)
        if canonical_url and canonical_url not in raw_text:
            if raw_text:
                raw_text = f"{raw_text}\n\n{canonical_url}"
            else:
                raw_text = canonical_url

    if len(raw_text) > 295:
        truncated = raw_text[:290]
        last_space = truncated.rfind(" ")
        if last_space > 0:
            raw_text = truncated[:last_space] + "..."
        else:
            raw_text = truncated + "..."

    return raw_text


def normalize_post_text(text):
    """
    Normalize post text for duplicate detection.
    """
    if not text:
        return ""

    text = text.replace("\r", "\n")
    text = re.sub(r"\s+", " ", text).strip()
    return text.lower()


def build_media_fingerprint(tweet):
    """
    Build a deterministic media fingerprint from scraped tweet media.
    Uses media type + canonicalized/stable media URL components.
    """
    if not tweet or not tweet.media:
        return "no-media"

    parts = []

    for media in tweet.media:
        media_type = getattr(media, "type", "unknown")
        media_url = getattr(media, "media_url_https", "") or ""

        stable_value = media_url

        if media_type == "photo":
            stable_value = re.sub(r"[?&]name=\w+", "", stable_value)
            stable_value = re.sub(r"[?&]format=\w+", "", stable_value)
        elif media_type == "video":
            stable_value = canonicalize_tweet_url(tweet.tweet_url or media_url or "")

        parts.append(f"{media_type}:{stable_value}")

    parts.sort()
    raw = "|".join(parts)
    return hashlib.sha256(raw.encode("utf-8")).hexdigest()


def build_bsky_media_fingerprint(post_view):
    """
    Build a best-effort media fingerprint from Bluesky embed structure.
    This won't always perfectly match X source media IDs, but it gives a stable
    signature for comparison among already-posted Bluesky items.
    """
    try:
        embed = getattr(post_view, "embed", None)
        if not embed:
            return "no-media"

        parts = []

        images = getattr(embed, "images", None)
        if images:
            for img in images:
                image_obj = getattr(img, "image", None)
                ref = getattr(image_obj, "ref", None) or getattr(image_obj, "cid", None) or str(image_obj)
                parts.append(f"photo:{ref}")

        video = getattr(embed, "video", None)
        if video:
            ref = getattr(video, "ref", None) or getattr(video, "cid", None) or str(video)
            parts.append(f"video:{ref}")

        external = getattr(embed, "external", None)
        if external:
            uri = getattr(external, "uri", None) or str(external)
            parts.append(f"external:{uri}")

        if not parts:
            return "no-media"

        parts.sort()
        raw = "|".join(parts)
        return hashlib.sha256(raw.encode("utf-8")).hexdigest()

    except Exception as e:
        logging.debug(f"Could not build Bluesky media fingerprint: {e}")
        return "no-media"


def build_text_media_key(normalized_text, media_fingerprint):
    return hashlib.sha256(f"{normalized_text}||{media_fingerprint}".encode("utf-8")).hexdigest()


def get_recent_bsky_posts(client, handle, limit=30):
    """
    Fetch recent top-level Bluesky posts for duplicate detection.
    Returns a list of dicts with dedupe keys.
    """
    recent_posts = []

    try:
        timeline = client.get_author_feed(handle, limit=limit)

        for item in timeline.feed:
            try:
                if item.reason is not None:
                    continue

                record = item.post.record
                if getattr(record, "reply", None) is not None:
                    continue

                text = getattr(record, "text", "") or ""
                normalized_text = normalize_post_text(text)

                urls = []
                urls.extend(extract_urls_from_text(text))
                urls.extend(extract_urls_from_facets(record))

                canonical_urls = set()
                for url in urls:
                    canonical = canonicalize_tweet_url(url)
                    if canonical:
                        canonical_urls.add(canonical)

                media_fingerprint = build_bsky_media_fingerprint(item.post)
                text_media_key = build_text_media_key(normalized_text, media_fingerprint)

                recent_posts.append({
                    "uri": getattr(item.post, "uri", None),
                    "text": text,
                    "normalized_text": normalized_text,
                    "canonical_urls": canonical_urls,
                    "media_fingerprint": media_fingerprint,
                    "text_media_key": text_media_key,
                    "created_at": getattr(record, "created_at", None),
                })

            except Exception as e:
                logging.debug(f"Skipping one Bluesky feed item during dedupe fetch: {e}")

    except Exception as e:
        logging.warning(f"⚠️ Could not fetch recent Bluesky posts for duplicate detection: {e}")

    return recent_posts


def make_rich(content):
    text_builder = client_utils.TextBuilder()

    def repair_url(match):
        raw = match.group(0)

        if "\n" not in raw and "\r" not in raw:
            return re.sub(r"[…\.]+$", "", raw)

        glued = raw.replace("\n", "").replace("\r", "")
        test_url = re.sub(r"[…\.]+$", "", glued)

        if is_valid_url(test_url):
            return test_url

        parts = raw.split("\n")
        test_part0 = re.sub(r"[…\.]+$", "", parts[0])
        if is_valid_url(test_part0):
            return raw

        return test_url

    content = re.sub(r"https?://[^\ \t]+", repair_url, content.strip())
    lines = content.splitlines()

    for line_idx, line in enumerate(lines):
        if not line.strip():
            if line_idx < len(lines) - 1:
                text_builder.text("\n")
            continue

        words = line.split(" ")
        for i, word in enumerate(words):
            if not word:
                if i < len(words) - 1:
                    text_builder.text(" ")
                continue

            if word.startswith("http://") or word.startswith("https://"):
                if word.startswith("http://"):
                    word = word.replace("http://", "https://", 1)

                word = re.sub(r"[…\.]+$", "", word)
                clean_url_value = clean_url(word)

                if clean_url_value and is_valid_url(clean_url_value):
                    text_builder.link(clean_url_value, clean_url_value)
                else:
                    text_builder.text(word)

            elif word.startswith("#"):
                clean_tag = word[1:].rstrip(".,;:!?)'\"…")
                text_builder.tag(word, clean_tag)

            else:
                text_builder.text(word)

            if i < len(words) - 1:
                text_builder.text(" ")

        if line_idx < len(lines) - 1:
            text_builder.text("\n")

    return text_builder


def build_dynamic_alt(raw_text):
    dynamic_alt = raw_text.replace("\n", " ").strip()
    dynamic_alt = re.sub(r"https?://\S+", "", dynamic_alt).strip()

    if len(dynamic_alt) > 150:
        dynamic_alt = dynamic_alt[:147] + "..."
    elif not dynamic_alt:
        dynamic_alt = "Vídeo o imatge adjunta al tuit"

    return dynamic_alt


def build_video_embed(video_blob, alt_text):
    try:
        return models.AppBskyEmbedVideo.Main(video=video_blob, alt=alt_text)
    except AttributeError:
        logging.error("❌ Your atproto version does not support AppBskyEmbedVideo. Upgrade atproto.")
        return None


# --- Playwright Scraping ---
def scrape_tweets_via_playwright(username, password, email, target_handle):
    tweets = []
    state_file = "twitter_browser_state.json"

    with sync_playwright() as p:
        browser = p.chromium.launch(
            headless=True,
            args=["--disable-blink-features=AutomationControlled"]
        )
        clean_ua = (
            "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
            "AppleWebKit/537.36 (KHTML, like Gecko) "
            "Chrome/145.0.7632.6 Safari/537.36"
        )

        context = None
        needs_login = True

        if os.path.exists(state_file):
            logging.info("✅ Found existing browser state. Attempting to bypass login...")
            context = browser.new_context(
                user_agent=clean_ua,
                viewport={"width": 1920, "height": 1080},
                storage_state=state_file
            )
            page = context.new_page()
            page.goto("https://x.com/home")
            time.sleep(4)

            if page.locator('[data-testid="SideNav_NewTweet_Button"]').is_visible() or "/home" in page.url:
                logging.info("✅ Session is valid!")
                needs_login = False
            else:
                logging.warning("⚠️ Saved session expired or invalid. Re-logging in...")
                context.close()
                os.remove(state_file)

        if needs_login:
            logging.info("🚀 Launching fresh browser for automated Twitter login...")
            context = browser.new_context(
                user_agent=clean_ua,
                viewport={"width": 1920, "height": 1080}
            )
            page = context.new_page()

            try:
                page.goto("https://x.com")
                sign_in_button = page.get_by_text("Sign in", exact=True)
                sign_in_button.wait_for(state="visible", timeout=15000)
                sign_in_button.click(force=True)

                page.wait_for_selector('h1:has-text("Sign in to X")', state="visible", timeout=25000)
                logging.info(f"👤 Entering username: {username}...")
                time.sleep(1)

                username_input = page.locator('input[autocomplete="username"]')
                username_input.wait_for(state="visible", timeout=15000)
                username_input.click(force=True)
                username_input.press_sequentially(username, delay=100)

                page.locator('button:has-text("Next")').first.click(force=True)
                page.wait_for_selector(
                    'input[name="password"], input[data-testid="ocfEnterTextTextInput"], input[name="text"]',
                    timeout=15000
                )
                time.sleep(1)

                if page.locator('input[data-testid="ocfEnterTextTextInput"]').is_visible() or page.locator('input[name="text"]').is_visible():
                    logging.warning("🛡️ Security challenge detected! Entering email/phone...")
                    page.fill('input[data-testid="ocfEnterTextTextInput"], input[name="text"]', email)
                    sec_next = page.locator('[data-testid="ocfEnterTextNextButton"], span:has-text("Next")').first
                    if sec_next.is_visible():
                        sec_next.click(force=True)
                    else:
                        page.keyboard.press("Enter")
                    page.wait_for_selector('input[name="password"]', timeout=15000)
                    time.sleep(1)

                logging.info("🔑 Entering password...")
                page.fill('input[name="password"]', password)
                page.locator('span:has-text("Log in")').first.click()

                page.wait_for_url("**/home", timeout=20000)
                time.sleep(3)

                context.storage_state(path=state_file)
                logging.info("✅ Login successful. Browser state saved.")

            except Exception as e:
                take_error_screenshot(page, "login_failed")
                logging.error(f"❌ Login failed: {e}")
                browser.close()
                return []

        logging.info(f"🌐 Navigating to https://x.com/{target_handle} to scrape tweets...")
        page = context.new_page()
        page.goto(f"https://x.com/{target_handle}")

        try:
            page.wait_for_selector("article", timeout=20000)
            time.sleep(3)

            articles = page.locator("article").all()
            logging.info(f"📊 Found {len(articles)} tweets on screen. Parsing up to {SCRAPE_TWEET_LIMIT}...")

            for article in articles[:SCRAPE_TWEET_LIMIT]:
                try:
                    time_el = article.locator("time").first
                    if not time_el.is_visible():
                        continue

                    created_at = time_el.get_attribute("datetime")

                    tweet_url = None
                    time_link = article.locator("a:has(time)").first
                    if time_link.is_visible():
                        href = time_link.get_attribute("href")
                        if href:
                            tweet_url = f"https://x.com{href}" if href.startswith("/") else href

                    text_locator = article.locator('[data-testid="tweetText"]').first
                    text = text_locator.inner_text() if text_locator.is_visible() else ""

                    media_urls = []

                    photo_locators = article.locator('[data-testid="tweetPhoto"] img').all()
                    for img in photo_locators:
                        src = img.get_attribute("src")
                        if src:
                            src = re.sub(r"&name=\w+", "&name=large", src)
                            media_urls.append((src, "photo"))

                    video_locators = article.locator('[data-testid="videoPlayer"]').all()
                    if video_locators:
                        media_urls.append((tweet_url or "", "video"))

                    tweets.append(ScrapedTweet(created_at, text, media_urls, tweet_url=tweet_url))

                except Exception as e:
                    logging.warning(f"⚠️ Failed to parse a specific tweet: {e}")
                    continue

        except Exception as e:
            take_error_screenshot(page, "scrape_failed")
            logging.error(f"❌ Failed to scrape profile: {e}")

        browser.close()
        return tweets


def extract_video_url_from_tweet_page(context, tweet_url):
    page = context.new_page()
    best_m3u8_url = None
    best_video_mp4_url = None
    seen_urls = set()

    def is_audio_only_mp4(url, content_type):
        url_l = url.lower()
        content_type_l = content_type.lower()
        return (
            "/aud/" in url_l or
            "/audio/" in url_l or
            "mp4a" in url_l or
            ("audio/" in content_type_l and "video/" not in content_type_l)
        )

    def handle_response(response):
        nonlocal best_m3u8_url, best_video_mp4_url
        try:
            url = response.url
            if url in seen_urls:
                return
            seen_urls.add(url)

            url_l = url.lower()
            content_type = response.headers.get("content-type", "")
            content_type_l = content_type.lower()

            if ".m4s" in url_l:
                return

            if (
                ".m3u8" in url_l or
                "application/vnd.apple.mpegurl" in content_type_l or
                "application/x-mpegurl" in content_type_l
            ):
                if best_m3u8_url is None:
                    best_m3u8_url = url
                    logging.info(f"📺 Found HLS playlist URL: {url}")
                return

            if ".mp4" in url_l or "video/mp4" in content_type_l or "audio/mp4" in content_type_l:
                if is_audio_only_mp4(url, content_type):
                    logging.info(f"🔇 Ignoring audio-only MP4: {url}")
                    return

                if best_video_mp4_url is None:
                    best_video_mp4_url = url
                    logging.info(f"🎥 Found VIDEO MP4 URL: {url}")
                return

        except Exception as e:
            logging.debug(f"Response parsing error: {e}")

    page.on("response", handle_response)

    def current_best():
        return best_m3u8_url or best_video_mp4_url

    try:
        logging.info(f"🎬 Opening tweet page to capture video URL: {tweet_url}")
        page.goto(tweet_url, wait_until="domcontentloaded", timeout=30000)
        time.sleep(3)

        player = page.locator('[data-testid="videoPlayer"]').first

        if player.count() > 0:
            try:
                player.scroll_into_view_if_needed(timeout=5000)
            except Exception:
                pass

            try:
                player.click(force=True, timeout=5000)
                logging.info("▶️ Clicked video player")
            except Exception as e:
                logging.info(f"⚠️ First player click failed: {e}")
        else:
            logging.warning("⚠️ No video player locator found on tweet page")

        for _ in range(12):
            if current_best():
                break
            time.sleep(1)

        if not current_best() and player.count() > 0:
            logging.info("🔁 No media URL found yet, retrying player interaction...")
            try:
                player.click(force=True, timeout=5000)
                time.sleep(2)
            except Exception as e:
                logging.info(f"⚠️ Retry click failed: {e}")

            try:
                page.keyboard.press("Space")
                time.sleep(1)
            except Exception:
                pass

            for _ in range(8):
                if current_best():
                    break
                time.sleep(1)

        selected_url = current_best()
        if selected_url:
            logging.info(f"✅ Selected media URL for download: {selected_url}")
        else:
            logging.warning(f"⚠️ No playable media URL detected on tweet page: {tweet_url}")

        return selected_url

    except Exception as e:
        logging.warning(f"⚠️ Could not extract video URL from tweet page {tweet_url}: {e}")
        return None
    finally:
        page.close()


# --- Video Processing ---
def download_and_crop_video(video_url, output_path):
    temp_input = output_path.replace(".mp4", "_source.mp4")
    temp_output = output_path.replace(".mp4", "_cropped.mp4")

    try:
        logging.info(f"⬇️ Downloading video source with ffmpeg: {video_url}")

        video_url_l = video_url.lower()

        if ".m3u8" in video_url_l:
            logging.info("📺 Using HLS ffmpeg mode")
            download_cmd = [
                "ffmpeg",
                "-y",
                "-protocol_whitelist", "file,http,https,tcp,tls,crypto",
                "-allowed_extensions", "ALL",
                "-i", video_url,
                "-c", "copy",
                temp_input,
            ]
        else:
            logging.info("🎥 Using direct MP4 ffmpeg mode")
            download_cmd = [
                "ffmpeg",
                "-y",
                "-i", video_url,
                "-c", "copy",
                temp_input,
            ]

        download_result = subprocess.run(
            download_cmd,
            capture_output=True,
            text=True
        )

        if download_result.returncode != 0:
            logging.error(f"❌ ffmpeg download failed:\n{download_result.stderr}")
            return None

        if not os.path.exists(temp_input) or os.path.getsize(temp_input) == 0:
            logging.error("❌ Downloaded video source file is missing or empty.")
            return None

        logging.info(f"✅ Video downloaded: {temp_input}")

        video_clip = VideoFileClip(temp_input)
        duration = float(video_clip.duration) if video_clip.duration else 0

        if duration <= 0:
            video_clip.close()
            logging.error("❌ Downloaded video has invalid or unknown duration.")
            return None

        end_time = min(59, duration)

        if hasattr(video_clip, "subclipped"):
            cropped_clip = video_clip.subclipped(0, end_time)
        else:
            cropped_clip = video_clip.subclip(0, end_time)

        cropped_clip.write_videofile(
            temp_output,
            codec="libx264",
            audio_codec="aac",
            logger=None
        )

        video_clip.close()
        cropped_clip.close()

        if not os.path.exists(temp_output) or os.path.getsize(temp_output) == 0:
            logging.error("❌ Cropped video output is missing or empty.")
            return None

        os.replace(temp_output, output_path)
        logging.info(f"✅ Video cropped to 59 seconds: {output_path}")
        return output_path

    except Exception as e:
        logging.error(f"❌ Error processing video: {e}")
        return None

    finally:
        for path in [temp_input, temp_output]:
            if os.path.exists(path):
                try:
                    os.remove(path)
                except Exception:
                    pass


def candidate_matches_existing(candidate, recent_bsky_posts):
    """
    Multi-signal dedupe:
    1. canonical tweet URL
    2. text + media fingerprint
    3. normalized text only
    """
    candidate_url = candidate["canonical_tweet_url"]
    candidate_text_media_key = candidate["text_media_key"]
    candidate_normalized_text = candidate["normalized_text"]

    for existing in recent_bsky_posts:
        existing_urls = existing["canonical_urls"]

        if candidate_url and candidate_url in existing_urls:
            return True, "tweet_url"

        if candidate_text_media_key == existing["text_media_key"]:
            return True, "text_media_fingerprint"

        if candidate_normalized_text == existing["normalized_text"]:
            return True, "normalized_text"

    return False, None


# --- Main Sync Function ---
def sync_feeds(args):
    logging.info("🔄 Starting sync cycle...")
    try:
        tweets = scrape_tweets_via_playwright(
            args.twitter_username,
            args.twitter_password,
            args.twitter_email,
            args.twitter_handle
        )

        if not tweets:
            logging.warning("⚠️ No tweets found or failed to fetch. Skipping Bluesky sync for this cycle.")
            return

        bsky_client = Client()
        bsky_client.login(args.bsky_handle, args.bsky_password)

        recent_bsky_posts = get_recent_bsky_posts(
            bsky_client,
            args.bsky_handle,
            limit=DEDUPE_BSKY_LIMIT
        )

        logging.info(f"🧠 Loaded {len(recent_bsky_posts)} recent Bluesky posts for advanced duplicate detection.")

        too_old_cutoff = arrow.utcnow().shift(days=-TWEET_MAX_AGE_DAYS)
        logging.info(f"🕒 Will ignore tweets older than: {too_old_cutoff}")

        candidate_tweets = []

        for tweet in reversed(tweets):
            try:
                tweet_time = arrow.get(tweet.created_on)

                if tweet_time < too_old_cutoff:
                    logging.info(f"⏭️ Skipping old tweet from {tweet_time}")
                    continue

                prepared_text = prepare_post_text(tweet.text, tweet.tweet_url)
                normalized_text = normalize_post_text(prepared_text)

                if not normalized_text:
                    logging.info(f"⏭️ Skipping empty/blank tweet from {tweet_time}")
                    continue

                media_fingerprint = build_media_fingerprint(tweet)
                text_media_key = build_text_media_key(normalized_text, media_fingerprint)
                canonical_tweet_url = canonicalize_tweet_url(tweet.tweet_url)

                candidate_tweets.append({
                    "tweet": tweet,
                    "tweet_time": tweet_time,
                    "raw_text": prepared_text,
                    "normalized_text": normalized_text,
                    "media_fingerprint": media_fingerprint,
                    "text_media_key": text_media_key,
                    "canonical_tweet_url": canonical_tweet_url,
                })

            except Exception as e:
                logging.warning(f"⚠️ Failed to prepare candidate tweet: {e}")

        logging.info(f"🧪 Prepared {len(candidate_tweets)} candidate tweets for advanced dedupe comparison.")

        tweets_to_post = []
        for candidate in candidate_tweets:
            is_dup, reason = candidate_matches_existing(candidate, recent_bsky_posts)
            if is_dup:
                logging.info(f"⏭️ Skipping candidate due to duplicate match on: {reason}")
                continue
            tweets_to_post.append(candidate)

        logging.info(f"📬 {len(tweets_to_post)} tweets remain after advanced duplicate filtering.")

        if not tweets_to_post:
            logging.info("✅ No new tweets need posting after duplicate comparison.")
            return

        new_posts = 0
        state_file = "twitter_browser_state.json"

        with sync_playwright() as p:
            browser = p.chromium.launch(
                headless=True,
                args=["--disable-blink-features=AutomationControlled"]
            )
            context_kwargs = {
                "user_agent": (
                    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
                    "AppleWebKit/537.36 (KHTML, like Gecko) "
                    "Chrome/145.0.7632.6 Safari/537.36"
                ),
                "viewport": {"width": 1920, "height": 1080},
            }
            if os.path.exists(state_file):
                context_kwargs["storage_state"] = state_file

            context = browser.new_context(**context_kwargs)

            for candidate in tweets_to_post:
                tweet = candidate["tweet"]
                tweet_time = candidate["tweet_time"]
                raw_text = candidate["raw_text"]

                logging.info(f"📝 Posting missing tweet from {tweet_time} to Bluesky...")

                rich_text = make_rich(raw_text)
                dynamic_alt = build_dynamic_alt(raw_text)

                image_embeds = []
                video_embed = None

                if tweet.media:
                    for media in tweet.media:
                        if media.type == "photo":
                            blob = get_blob_from_url(media.media_url_https, bsky_client)
                            if blob:
                                image_embeds.append(
                                    models.AppBskyEmbedImages.Image(
                                        alt=dynamic_alt,
                                        image=blob
                                    )
                                )

                        elif media.type == "video":
                            if not tweet.tweet_url:
                                logging.warning("⚠️ Tweet has video marker but no tweet URL. Skipping video.")
                                continue

                            temp_video_path = "temp_video.mp4"

                            try:
                                real_video_url = extract_video_url_from_tweet_page(context, tweet.tweet_url)
                                if not real_video_url:
                                    logging.warning(f"⚠️ Could not resolve playable video URL for {tweet.tweet_url}")
                                    continue

                                cropped_video_path = download_and_crop_video(real_video_url, temp_video_path)
                                if not cropped_video_path:
                                    logging.warning(f"⚠️ Video download/crop failed for {tweet.tweet_url}")
                                    continue

                                video_blob = get_blob_from_file(cropped_video_path, bsky_client)
                                if not video_blob:
                                    logging.warning(f"⚠️ Video upload blob failed for {tweet.tweet_url}")
                                    continue

                                video_embed = build_video_embed(video_blob, dynamic_alt)

                            finally:
                                if os.path.exists(temp_video_path):
                                    os.remove(temp_video_path)

                try:
                    if video_embed:
                        bsky_client.send_post(text=rich_text, embed=video_embed, langs=["ca"])
                    elif image_embeds:
                        embed = models.AppBskyEmbedImages.Main(images=image_embeds)
                        bsky_client.send_post(text=rich_text, embed=embed, langs=["ca"])
                    else:
                        bsky_client.send_post(text=rich_text, langs=["ca"])

                    recent_bsky_posts.insert(0, {
                        "uri": None,
                        "text": raw_text,
                        "normalized_text": candidate["normalized_text"],
                        "canonical_urls": {candidate["canonical_tweet_url"]} if candidate["canonical_tweet_url"] else set(),
                        "media_fingerprint": candidate["media_fingerprint"],
                        "text_media_key": candidate["text_media_key"],
                        "created_at": None,
                    })
                    recent_bsky_posts = recent_bsky_posts[:DEDUPE_BSKY_LIMIT]

                    new_posts += 1
                    logging.info(f"✅ Posted new tweet to Bluesky: {raw_text}")
                    time.sleep(5)

                except Exception as e:
                    logging.error(f"❌ Failed to post tweet to Bluesky: {e}")

            browser.close()

        logging.info(f"✅ Sync complete. Posted {new_posts} new updates.")

    except Exception as e:
        logging.error(f"❌ Error during sync cycle: {e}")


# --- Main Execution ---
def main():
    load_dotenv()

    parser = argparse.ArgumentParser(description="Twitter to Bluesky Sync")
    parser.add_argument("--twitter-username", help="Your Twitter login username")
    parser.add_argument("--twitter-password", help="Your Twitter login password")
    parser.add_argument("--twitter-email", help="Your Twitter email for security challenges")
    parser.add_argument("--twitter-handle", help="The Twitter account to scrape")
    parser.add_argument("--bsky-handle", help="Your Bluesky handle")
    parser.add_argument("--bsky-password", help="Your Bluesky app password")

    args = parser.parse_args()

    args.twitter_username = args.twitter_username or os.getenv("TWITTER_USERNAME")
    args.twitter_password = args.twitter_password or os.getenv("TWITTER_PASSWORD")
    args.twitter_email = args.twitter_email or os.getenv("TWITTER_EMAIL")
    args.bsky_handle = args.bsky_handle or os.getenv("BSKY_HANDLE")
    args.bsky_password = args.bsky_password or os.getenv("BSKY_APP_PASSWORD")
    args.twitter_handle = args.twitter_handle or os.getenv("TWITTER_HANDLE") or args.twitter_username

    missing_args = []
    if not args.twitter_username:
        missing_args.append("--twitter-username")
    if not args.twitter_password:
        missing_args.append("--twitter-password")
    if not args.bsky_handle:
        missing_args.append("--bsky-handle")
    if not args.bsky_password:
        missing_args.append("--bsky-password")

    if missing_args:
        logging.error(f"❌ Missing credentials! You forgot to provide: {', '.join(missing_args)}")
        return

    logging.info(f"🤖 Bot started. Will check @{args.twitter_handle}")
    sync_feeds(args)
    logging.info("🤖 Bot finished.")


if __name__ == "__main__":
    main()