# foodie_automator_rss.py
import requests
import random
import time
import logging
import os
import json
import signal
import sys
import re
import email.utils
import feedparser
from duckduckgo_search import DDGS
from datetime import datetime, timedelta, timezone
from bs4 import BeautifulSoup
from openai import OpenAI
from urllib.parse import quote
from requests.packages.urllib3.util.retry import Retry
from requests.adapters import HTTPAdapter
from foodie_config import (
    RSS_FEEDS, RSS_FEED_NAMES, AUTHORS, RECIPE_KEYWORDS, PROMO_KEYWORDS,
    HOME_KEYWORDS, PRODUCT_KEYWORDS, PERSONA_CONFIGS, CATEGORIES,
    get_clean_source_name, X_API_CREDENTIALS
)
from foodie_utils import (
    load_json_file, save_json_file, get_image, generate_image_query,
    upload_image_to_wp, determine_paragraph_count, insert_link_naturally,
    is_interesting, generate_title_from_summary, summarize_with_gpt4o,
    generate_category_from_summary, post_to_wp, prepare_post_data,
    select_best_author, smart_image_and_filter, get_flickr_image
)
from foodie_hooks import get_dynamic_hook, get_viral_share_prompt
from dotenv import load_dotenv

load_dotenv()

is_posting = False

def signal_handler(sig, frame):
    logging.info("Received termination signal, checking if safe to exit...")
    if is_posting:
        logging.info("Currently posting, will exit after completion.")
    else:
        logging.info("Safe to exit immediately.")
        sys.exit(0)

signal.signal(signal.SIGTERM, signal_handler)
signal.signal(signal.SIGINT, signal_handler)

LOG_FILE = "/home/shane/foodie_automator/foodie_automator_rss.log"
LOG_PRUNE_DAYS = 30
FEED_TIMEOUT = 15
MAX_RETRIES = 3

POSTED_TITLES_FILE = '/home/shane/foodie_automator/posted_rss_titles.json'
USED_IMAGES_FILE = '/home/shane/foodie_automator/used_images.json'
EXPIRATION_HOURS = 24
IMAGE_EXPIRATION_DAYS = 7

posted_titles_data = load_json_file(POSTED_TITLES_FILE, EXPIRATION_HOURS)
posted_titles = set(entry["title"] for entry in posted_titles_data)
used_images = set(entry["title"] for entry in load_json_file(USED_IMAGES_FILE, IMAGE_EXPIRATION_DAYS) if "title" in entry)

def setup_logging():
    if os.path.exists(LOG_FILE):
        with open(LOG_FILE, 'r') as f:
            lines = f.readlines()
        cutoff = datetime.now(timezone.utc) - timedelta(days=LOG_PRUNE_DAYS)
        pruned_lines = []
        malformed_count = 0
        for line in lines:
            if len(line) < 19 or not line[:19].replace('-', '').replace(':', '').replace(' ', '').isdigit():
                malformed_count += 1
                continue
            try:
                timestamp = datetime.strptime(line[:19], '%Y-%m-%d %H:%M:%S').replace(tzinfo=timezone.utc)
                if timestamp > cutoff:
                    pruned_lines.append(line)
            except ValueError:
                malformed_count += 1
                continue
        if malformed_count > 0:
            logging.info(f"Skipped {malformed_count} malformed log lines during pruning")
        with open(LOG_FILE, 'w') as f:
            f.writelines(pruned_lines)
    
    logging.basicConfig(
        filename=LOG_FILE,
        level=logging.INFO,
        format="%(asctime)s - %(levelname)s - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S"
    )
    console_handler = logging.StreamHandler()
    console_handler.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s'))
    logging.getLogger().addHandler(console_handler)
    logging.getLogger("requests").setLevel(logging.WARNING)
    logging.info("Logging initialized for foodie_automator_rss.py")

setup_logging()

def create_http_session() -> requests.Session:
    session = requests.Session()
    retry_strategy = Retry(
        total=MAX_RETRIES,
        backoff_factor=2,
        status_forcelist=[403, 429, 500, 502, 503, 504],
        allowed_methods=["GET", "POST"]
    )
    adapter = HTTPAdapter(
        max_retries=retry_strategy,
        pool_connections=10,
        pool_maxsize=10
    )
    session.mount("http://", adapter)
    session.mount("https://", adapter)
    session.headers.update({
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36'
    })
    return session

def parse_date(date_str):
    try:
        parsed_date = email.utils.parsedate_to_datetime(date_str)
        if parsed_date.tzinfo is None:
            parsed_date = parsed_date.replace(tzinfo=timezone.utc)
        return parsed_date
    except Exception as e:
        logging.error(f"Failed to parse date '{date_str}': {e}")
        return datetime.now(timezone.utc)

def fetch_rss_feeds():
    logging.info("Starting fetch_rss_feeds")
    articles = []
    cutoff_date = datetime.now(timezone.utc) - timedelta(hours=EXPIRATION_HOURS)
    session = create_http_session()

    if not RSS_FEEDS:
        logging.error("RSS_FEEDS is empty in foodie_config.py")
        return articles

    logging.info(f"Processing feeds: {RSS_FEEDS}")
    for feed_url in RSS_FEEDS:
        logging.info(f"Processing feed: {feed_url}")
        try:
            response = session.get(feed_url, timeout=FEED_TIMEOUT)
            response.raise_for_status()
            soup = BeautifulSoup(response.content, 'xml')
            items = soup.find_all('item')

            feed_title = RSS_FEED_NAMES.get(feed_url, (get_clean_source_name(feed_url), feed_url))
            for item in items:
                try:
                    title = item.find('title').text.strip() if item.find('title') else "Untitled"
                    link = item.find('link').text.strip() if item.find('link') else ""
                    pub_date = item.find('pubDate')
                    pub_date = parse_date(pub_date.text) if pub_date else datetime.now(timezone.utc)

                    if pub_date < cutoff_date:
                        logging.info(f"Skipping old article: {title} (Published: {pub_date})")
                        continue

                    description = item.find('description')
                    summary = BeautifulSoup(description.text, 'html.parser').get_text().strip() if description else ""
                    content = item.find('content:encoded')
                    content_text = BeautifulSoup(content.text, 'html.parser').get_text().strip() if content else summary

                    articles.append({
                        "title": title,
                        "link": link,
                        "summary": summary,
                        "content": content_text,
                        "feed_title": feed_title[0] if isinstance(feed_title, tuple) else feed_title,
                        "pub_date": pub_date
                    })
                    logging.debug(f"Processed article: {title}")
                except Exception as e:
                    logging.warning(f"Error processing entry in {feed_url}: {e}")
                    continue
            logging.info(f"Filtered to {len(articles)} articles from {feed_url}")
        except Exception as e:
            logging.error(f"Failed to fetch RSS feed {feed_url}: {e}")
            continue

    articles.sort(key=lambda x: x["pub_date"], reverse=True)
    logging.info(f"Total RSS articles fetched: {len(articles)}")
    return articles

def fetch_duckduckgo_news_context(title, hours=24):
    try:
        with DDGS() as ddgs:
            results = ddgs.news(f"{title} news", timelimit="d", max_results=5)
            titles = []
            for r in results:
                try:
                    date_str = r["date"]
                    if '+00:00' in date_str:
                        dt = datetime.strptime(date_str, "%Y-%m-%dT%H:%M:%S+00:00").replace(tzinfo=timezone.utc)
                    else:
                        dt = datetime.strptime(date_str, "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
                    if dt > (datetime.now(timezone.utc) - timedelta(hours=24)):
                        titles.append(r["title"].lower())
                except ValueError as e:
                    logging.warning(f"Date parsing failed for '{date_str}': {e}")
                    continue
            context = " ".join(titles) if titles else "No recent news found within 24 hours"
            logging.info(f"DuckDuckGo News context for '{title}': {context}")
            return context
    except Exception as e:
        logging.warning(f"DuckDuckGo News context fetch failed for '{title}': {e}")
        return title

def curate_from_rss():
    articles = fetch_rss_feeds()  # Corrected from fetch_rss_articles to fetch_rss_feeds
    if not articles:
        print("No RSS articles available")
        logging.info("No RSS articles available")
        return None, None, random.randint(600, 1800)

    attempts = 0
    max_attempts = 10
    while attempts < max_attempts and articles:
        article = articles.pop(0)
        title = article["title"]
        link = article["link"]
        summary = article.get("summary", "")
        source_name = article.get("feed_title", "Unknown Source")  # Adjusted to match fetch_rss_feeds output
        original_source = f'<a href="{link}">{source_name}</a>'

        if title in posted_titles:
            print(f"Skipping already posted article: {title}")
            logging.info(f"Skipping already posted article: {title}")
            attempts += 1
            continue

        print(f"Trying RSS Article: {title} from {source_name}")
        logging.info(f"Trying RSS Article: {title} from {source_name}")

        image_query, relevance_keywords, main_topic, skip = smart_image_and_filter(title, summary)
        if skip:
            print(f"Skipping filtered RSS article: {title}")
            logging.info(f"Skipping filtered RSS article: {title}")
            attempts += 1
            continue

        ddg_context = fetch_duckduckgo_news_context(title)
        scoring_content = f"{title}\n\n{summary}\n\nAdditional Context: {ddg_context}"
        interest_score = is_interesting(scoring_content)
        logging.info(f"Interest score for '{title}': {interest_score}")
        if interest_score < 6:
            print(f"RSS Interest Too Low: {interest_score}")
            logging.info(f"RSS Interest Too Low: {interest_score}")
            attempts += 1
            continue

        num_paragraphs = determine_paragraph_count(interest_score)
        extra_prompt = (
            f"Generate exactly {num_paragraphs} paragraphs.\n"
            f"FOCUS: Summarize ONLY the provided content, focusing on its specific topic and details without mentioning the original title.\n"
            f"Incorporate relevant insights from this additional context if available: {ddg_context}.\n"
            f"Do NOT introduce unrelated concepts unless in the content or additional context.\n"
            f"Expand on the core idea with relevant context about its appeal or significance in food trends.\n"
            f"Do not include emojis in the summary."
        )
        content_to_summarize = scoring_content
        final_summary = summarize_with_gpt4o(
            content_to_summarize,
            source_name,
            link,
            interest_score=interest_score,
            extra_prompt=extra_prompt
        )
        if not final_summary:
            logging.info(f"Summary failed for '{title}'")
            attempts += 1
            continue

        final_summary = insert_link_naturally(final_summary, source_name, link)

        post_data, author, category, image_url, image_source, uploader, page_url = prepare_post_data(final_summary, title, main_topic)
        if not post_data:
            attempts += 1
            continue

        image_url, image_source, uploader, page_url = get_flickr_image(image_query, relevance_keywords, main_topic)
        if not image_url:
            image_url, image_source, uploader, page_url = get_image(image_query)

        hook = get_dynamic_hook(post_data["title"]).strip()

        share_prompt = get_viral_share_prompt(post_data["title"], final_summary)
        share_links_template = (
            f'<p>{share_prompt} '
            f'<a href="https://x.com/intent/tweet?url={{post_url}}&text={{share_text}}" target="_blank"><i class="tsi tsi-twitter"></i></a> '
            f'<a href="https://www.facebook.com/sharer/sharer.php?u={{post_url}}" target="_blank"><i class="tsi tsi-facebook"></i></a></p>'
        )
        post_data["content"] = f"{final_summary}\n\n{share_links_template}"

        global is_posting
        is_posting = True
        try:
            post_id, post_url = post_to_wp(
                post_data=post_data,
                category=category,
                link=link,
                author=author,
                image_url=image_url,
                original_source=original_source,
                image_source=image_source,
                uploader=uploader,
                page_url=page_url,
                interest_score=interest_score,
                should_post_tweet=True
            )
        finally:
            is_posting = False

        if post_id:
            share_text = f"Check out this foodie gem! {post_data['title']}"
            share_text_encoded = quote(share_text)
            post_url_encoded = quote(post_url)
            share_links = share_links_template.format(post_url=post_url_encoded, share_text=share_text_encoded)
            post_data["content"] = f"{final_summary}\n\n{share_links}"
            is_posting = True
            try:
                post_to_wp(
                    post_data=post_data,
                    category=category,
                    link=link,
                    author=author,
                    image_url=image_url,
                    original_source=original_source,
                    image_source=image_source,
                    uploader=uploader,
                    page_url=page_url,
                    interest_score=interest_score,
                    post_id=post_id,
                    should_post_tweet=False
                )
            finally:
                is_posting = False

            timestamp = datetime.now(timezone.utc).isoformat()
            save_json_file(POSTED_TITLES_FILE, title, timestamp)
            posted_titles.add(title)
            logging.info(f"Successfully saved '{title}' to {POSTED_TITLES_FILE}")

            if image_url:
                save_json_file(USED_IMAGES_FILE, image_url, timestamp)
                used_images.add(image_url)
                logging.info(f"Saved image '{image_url}' to {USED_IMAGES_FILE}")

            print(f"***** SUCCESS: Posted '{post_data['title']}' (ID: {post_id}) from RSS *****")
            logging.info(f"***** SUCCESS: Posted '{post_data['title']}' (ID: {post_id}) from RSS *****")
            return post_data, category, random.randint(0, 1800)

        attempts += 1
        logging.info(f"WP posting failed for '{post_data['title']}'")

    print("No interesting RSS article found after attempts")
    logging.info("No interesting RSS article found after attempts")
    return None, None, random.randint(600, 1800)

def run_rss_automator():
    print(f"{datetime.now(timezone.utc)} - INFO - ***** RSS Automator Launched *****")
    logging.info("***** RSS Automator Launched *****")
    post_data, category, sleep_time = curate_from_rss()
    print(f"Sleeping for {sleep_time}s")
    logging.info(f"Completed run with sleep time: {sleep_time} seconds")
    time.sleep(sleep_time)
    return post_data, category, sleep_time

if __name__ == "__main__":
    run_rss_automator()