import tweepy
import datetime
import os

def get_tweets_from_user_list_v2(user_list, client, tweets_per_user=10):
    """
    Retrieves the latest tweets from a list of Twitter users within the last 24 hours using Tweepy API v2.
    """

    all_tweets = []
    now = datetime.datetime.now(datetime.timezone.utc)
    yesterday = now - datetime.timedelta(days=1)

    for username in user_list:
        try:
            user = client.get_user(username=username)
            if user.errors:
                print(f"Error getting user ID for {username}: {user.errors}")
                continue

            user_id = user.data['id']

            response = client.get_users_tweets(
                id=user_id,
                max_results=tweets_per_user,
                tweet_fields=["created_at", "text"],
            )

            if response.errors:
                print(f"Error fetching tweets for {username} (ID: {user_id}): {response.errors}")
                continue

            tweets = response.data

            if tweets:
                for tweet in tweets:
                    tweet_time = tweet['created_at']

                    if tweet_time >= yesterday:
                        all_tweets.append(tweet)
                    else:
                        break
        except Exception as e:
            print(f"Unexpected error fetching tweets for {username}: {e}")
            continue

    return all_tweets


def authenticate_v2():
    """Authenticates with the Twitter API v2 using a Bearer Token."""
    bearer_token = (f"AAAAAAAAAAAAAAAAAAAAAKmVzAEAAAAAhVM%2BPoJytUvDoQ%2FgIGfLdJXdocU%3DvS5ZF10O60kLJcY6MGiErCDHV7awcUKB75QqWpIlKh84rK5CFw")

    if not bearer_token:
        print("Error: Missing Twitter Bearer Token. Please set the environment variable.")
        return None

    try:
        client = tweepy.Client(bearer_token)
        user = client.get_me()  # Check authentication
        if user.errors:
            print(f"Authentication check failed: {user.errors}")
            return None

        print("Authentication successful (API v2)!")
        return client
    except Exception as e:
        print(f"Authentication failed (API v2): {e}")
        return None


if __name__ == '__main__':
    client = authenticate_v2()

    if client is None:
        print("Exiting due to authentication failure.")
        exit()

    user_list = ["elonmusk", "BillGates", "NASA"]
    tweets = get_tweets_from_user_list_v2(user_list, client, tweets_per_user=5)

    if tweets:
        print(f"Found {len(tweets)} tweets from the last 24 hours:")
        for tweet in tweets:
            print(f"Text: {tweet['text']}\n")
            print(f"Tweeted at: {tweet['created_at']}\n")
    else:
        print("No tweets found in the last 24 hours or an error occurred.")