import base64
import json
import logging
import os
import random
import re
from PIL import Image
import pytesseract
import io
import tempfile
import requests
import time
import openai
from dotenv import load_dotenv
from datetime import datetime, timezone, timedelta
from openai import OpenAI
from urllib.parse import quote
from bs4 import BeautifulSoup
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.retry import Retry
import tweepy
import flickr_api
from foodie_config import (
    RECIPE_KEYWORDS, PROMO_KEYWORDS, HOME_KEYWORDS, PRODUCT_KEYWORDS, PERSONA_CONFIGS, 
    get_clean_source_name, AUTHORS, LIGHT_TASK_MODEL, SUMMARY_MODEL, X_API_CREDENTIALS,
    FLICKR_API_KEY, FLICKR_API_SECRET, PIXABAY_API_KEY
)

load_dotenv()
client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))

def load_json_file(filename, expiration_days=None):
    data = []
    if os.path.exists(filename):
        try:
            with open(filename, 'r') as f:
                lines = f.readlines()
                for i, line in enumerate(lines, 1):
                    if line.strip():
                        try:
                            entry = json.loads(line.strip())
                            if not isinstance(entry, dict) or "title" not in entry or "timestamp" not in entry:
                                logging.warning(f"Skipping malformed entry in {filename} at line {i}: {entry}")
                                continue
                            data.append(entry)
                        except json.JSONDecodeError as e:
                            logging.warning(f"Skipping invalid JSON line in {filename} at line {i}: {e}")
            if expiration_days:
                cutoff = (datetime.now(timezone.utc) - timedelta(days=expiration_days)).isoformat()
                data = [entry for entry in data if entry["timestamp"] > cutoff]
            logging.info(f"Loaded {len(data)} entries from {filename}, {len(data)} valid after expiration check")
        except Exception as e:
            logging.error(f"Failed to load {filename}: {e}")
            data = []  # Reset to empty on failure
    return data

def save_json_file(filename, key, value):
    entry = {"title": key, "timestamp": value}
    PRUNE_INTERVAL_DAYS = 180
    try:
        data = load_json_file(filename, expiration_days=PRUNE_INTERVAL_DAYS)
        # Remove duplicates by title
        data = [item for item in data if item["title"] != key]
        data.append(entry)
        with open(filename, 'w') as f:
            for item in data:
                json.dump(item, f)
                f.write('\n')
        logging.info(f"Saved '{key}' to {filename}")
        print(f"DEBUG: Saved '{key}' to {filename}")
        loaded_data = load_json_file(filename, expiration_days=PRUNE_INTERVAL_DAYS)
        logging.info(f"Pruned {filename} to {len(loaded_data)} entries (older than {PRUNE_INTERVAL_DAYS} days removed)")
    except Exception as e:
        logging.error(f"Failed to save or prune {filename}: {e}")

def load_post_counts():
    counts = []
    filename = '/home/shane/foodie_automator/x_post_counts.json'
    if os.path.exists(filename):
        try:
            with open(filename, 'r') as f:
                lines = f.readlines()
                for i, line in enumerate(lines, 1):
                    if line.strip():
                        try:
                            entry = json.loads(line.strip())
                            # Check for expected fields in x_post_counts.json
                            if not isinstance(entry, dict) or "username" not in entry or "month" not in entry or "monthly_count" not in entry or "day" not in entry or "daily_count" not in entry:
                                logging.warning(f"Skipping malformed entry in {filename} at line {i}: {entry}")
                                continue
                            counts.append(entry)
                        except json.JSONDecodeError as e:
                            logging.warning(f"Skipping invalid JSON line in {filename} at line {i}: {e}")
            logging.info(f"Loaded {len(counts)} entries from {filename}")
        except Exception as e:
            logging.error(f"Failed to load {filename}: {e}")
            counts = []  # Reset to empty on failure
    
    if not counts:
        counts = [{
            "username": author["username"],
            "month": datetime.now(timezone.utc).strftime("%Y-%m"),
            "monthly_count": 0,
            "day": datetime.now(timezone.utc).strftime("%Y-%m-%d"),
            "daily_count": 0
        } for author in AUTHORS]
    
    current_month = datetime.now(timezone.utc).strftime("%Y-%m")
    current_day = datetime.now(timezone.utc).strftime("%Y-%m-%d")
    for entry in counts:
        if entry["month"] != current_month:
            entry["month"] = current_month
            entry["monthly_count"] = 0
        if entry["day"] != current_day:
            entry["day"] = current_day
            entry["daily_count"] = 0
    return counts

def save_post_counts(counts):
    with open('/home/shane/foodie_automator/x_post_counts.json', 'w') as f:
        for item in counts:
            json.dump(item, f)
            f.write('\n')
    logging.info("Saved post counts to x_post_counts.json")

import re

def generate_article_tweet(author, post, persona):
    title = post["title"]
    url = post["url"]
    author_handle = f"@{author['username']}"
    
    prompt = (
        f"Craft a sharp tweet (under 280 characters) for {author_handle} with the voice of '{persona}'. "
        f"Distill the essence of the article '{title}' and include the raw URL '{url}' at the end. "
        f"Make it bold, spark curiosity, and invite engagement with a human touch. "
        f"Swap 'elevate' for dynamic terms like 'ignite' or 'unleash'. "
        f"Absolutely do not include hashtags, emojis, or phrases like '[Read more]' or 'Read more'. "
        f"Skip any extra fluff or formatting around the URL—just append the raw URL after a space."
    )
    
    response = openai.chat.completions.create(
        model=SUMMARY_MODEL,
        messages=[
            {"role": "system", "content": "You are a social media viral expert crafting engaging tweets."},
            {"role": "user", "content": prompt}
        ],
        max_tokens=100,
        temperature=0.7
    )
    
    tweet = response.choices[0].message.content.strip()
    
    # Post-generation check: Strip any emojis using regex
    tweet = re.sub(r'[\U0001F600-\U0001F64F\U0001F300-\U0001F5FF\U0001F680-\U0001F6FF\U0001F700-\U0001F77F\U0001F780-\U0001F7FF\U0001F800-\U0001F8FF\U0001F900-\U0001F9FF\U0001FA00-\U0001FA6F\U0001FA70-\U0001FAFF\U00002702-\U000027B0\U000024C2-\U0001F251]', '', tweet).strip()
    
    # Optionally, strip "[Read more]" or similar phrases as an additional failsafe
    tweet = re.sub(r'\[Read more\]\(.*?\)|\bRead more\b', '', tweet).strip()
    
    if len(tweet) > 280:
        tweet = tweet[:277] + "..."
    
    return tweet

def post_tweet(author, tweet):
    credentials = next((cred for cred in X_API_CREDENTIALS if cred["username"] == author["username"]), None)
    if not credentials:
        logging.error(f"No X credentials found for {author['username']}")
        return False
    
    post_counts = load_post_counts()
    author_count = next((entry for entry in post_counts if entry["username"] == author["username"]), None)
    if author_count["monthly_count"] >= 500:
        logging.warning(f"Monthly post limit (500) reached for {author['username']}")
        return False
    if author_count["daily_count"] >= 20:
        logging.warning(f"Daily post limit (20) reached for {author['username']}")
        return False
    
    try:
        client = tweepy.Client(
            consumer_key=credentials["api_key"],
            consumer_secret=credentials["api_secret"],
            access_token=credentials["access_token"],
            access_token_secret=credentials["access_token_secret"]
        )
        response = client.create_tweet(text=tweet)
        author_count["monthly_count"] += 1
        author_count["daily_count"] += 1
        save_post_counts(post_counts)
        logging.info(f"Posted tweet for {author['username']}: {tweet}")
        return True
    except Exception as e:
        logging.error(f"Failed to post tweet for {author['username']}: {e}")
        return False

def select_best_persona(interest_score, content=""):
    logging.info("Using select_best_persona with interest_score and content")
    personas = ["Visionary Editor", "Foodie Critic", "Trend Scout", "Culture Connoisseur"]
    content_lower = content.lower()
    
    if any(kw in content_lower for kw in ["tech", "ai", "innovation", "sustainability"]):
        return random.choice(["Trend Scout", "Visionary Editor"])
    elif any(kw in content_lower for kw in ["review", "critic", "taste", "flavor"]):
        return "Foodie Critic"
    elif any(kw in content_lower for kw in ["culture", "tradition", "history"]):
        return "Culture Connoisseur"
    
    if interest_score >= 8:
        return random.choice(personas[:2])
    elif interest_score >= 6:
        return random.choice(personas[2:])
    return random.choice(personas)

def get_image(search_query):
    global last_flickr_request_time, flickr_request_count
    
    reset_flickr_request_count()
    flickr_request_count += 1
    logging.info(f"Flickr request count: {flickr_request_count}/3600")
    
    # Enforce a minimum delay of 1 second between Flickr requests
    current_time = time.time()
    time_since_last_request = current_time - last_flickr_request_time
    if time_since_last_request < 1:
        time.sleep(1 - time_since_last_request)
    
    last_flickr_request_time = time.time()
    
    try:
        # Try Flickr API first
        photos = flickr_api.Photo.search(
            text=search_query,
            per_page=10,
            sort='relevance',
            safe_search=1,
            media='photos',
            license='4,5,9,10'  # Commercial use licenses
        )
        
        headers = {'User-Agent': 'InsiderFoodieBot/1.0 (https://insiderfoodie.com; contact@insiderfoodie.com)'}
        
        for photo in photos:
            # Fetch photo metadata (tags and title)
            tags = [tag.text.lower() for tag in photo.getTags()]
            title = photo.title.lower() if photo.title else ""
            
            # Filter out images with unwanted keywords in tags or title
            matched_keywords = [kw for kw in exclude_keywords if kw in tags or kw in title]
            if matched_keywords:
                logging.info(f"Skipping image with unwanted keywords: {photo.id} (tags: {tags}, title: {title}, matched: {matched_keywords})")
                continue
            
            img_url = photo.getPhotoFile(size_label='Medium')
            if not img_url:
                continue
            if img_url in used_images:
                continue
            
            # Download the image and run OCR to check for excessive text
            temp_file = None
            try:
                img_response = requests.get(img_url, headers=headers, timeout=10)
                img_response.raise_for_status()
                with tempfile.NamedTemporaryFile(delete=False, suffix='.jpg') as temp_file:
                    temp_file.write(img_response.content)
                    temp_path = temp_file.name

                img = Image.open(temp_path)
                text = pytesseract.image_to_string(img)
                char_count = len(text.strip())
                logging.info(f"OCR processed {img_url}: {char_count} characters detected")

                if char_count > 200:
                    logging.info(f"Skipping text-heavy image (OCR): {img_url} (char_count: {char_count})")
                    continue

                uploader = photo.owner.username
                page_url = f"https://www.flickr.com/photos/{photo.owner.nsid}/{photo.id}"
                
                # Save Flickr image metadata
                flickr_data = {
                    "title": search_query,
                    "image_url": img_url,
                    "source": "Flickr",
                    "uploader": uploader,
                    "page_url": page_url,
                    "timestamp": datetime.now(timezone.utc).isoformat(),
                    "ocr_chars": char_count
                }
                flickr_file = "/home/shane/foodie_automator/flickr_images.json"
                with open(flickr_file, 'a') as f:
                    json.dump(flickr_data, f)
                    f.write('\n')
                logging.info(f"Saved Flickr image to {flickr_file}: {img_url}")
                
                logging.info(f"Fallback Flickr image: {img_url} by {uploader} for query '{search_query}' (tags: {tags})")
                return img_url, "Flickr", uploader, page_url

            except requests.exceptions.HTTPError as e:
                if e.response.status_code == 429:
                    logging.warning(f"Rate limit hit for {img_url}. Falling back to Pixabay.")
                    return None, None, None, None
                else:
                    logging.warning(f"Download failed for {img_url}: {e}")
                    continue
            except Exception as e:
                logging.warning(f"OCR processing failed for {img_url}: {e}")
                continue
            finally:
                if temp_file and os.path.exists(temp_path):
                    os.unlink(temp_path)
        
        logging.warning(f"No valid Flickr image found in fallback for query '{search_query}'. Trying Pixabay.")
        
    except Exception as e:
        logging.warning(f"Fallback Flickr API error for query '{search_query}': {e}. Falling back to Pixabay.")

    # Fallback to Pixabay
    try:
        pixabay_url = f"https://pixabay.com/api/?key={PIXABAY_API_KEY}&q={quote(search_query)}&image_type=photo&per_page=10"
        response = requests.get(pixabay_url, timeout=10)
        response.raise_for_status()
        data = response.json()
        
        for hit in data.get('hits', []):
            img_url = hit.get('webformatURL')
            if not img_url or img_url in used_images:
                continue
            uploader = hit.get('user', 'Unknown')
            page_url = hit.get('pageURL', img_url)
            logging.debug(f"Image selected for query '{search_query}': {img_url}")
            return img_url, "Pixabay", uploader, page_url
        
        logging.warning(f"No valid Pixabay image found for query '{search_query}'.")
        return None, None, None, None
        
    except Exception as e:
        logging.error(f"Pixabay image fetch failed for query '{search_query}': {e}")
        return None, None, None, None

def generate_image_query(content):
    try:
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": (
                    "From this content (title and summary), generate two sets of 2-3 concise keywords for an image search about restaurant/food industry trends:\n"
                    "1. Search keywords: For finding images (e.g., 'AI restaurant technology'). Focus on key themes like technology, sustainability, dining, or specific food concepts.\n"
                    "2. Relevance keywords: For filtering relevant images (e.g., 'ai tech dining'). Focus on core concepts to ensure match.\n"
                    "Avoid vague terms like 'trends', 'future', or unrelated words like 'dog', 'family'. "
                    "Return as JSON: {'search': 'keyword1 keyword2', 'relevance': 'keyword3 keyword4'}"
                )},
                {"role": "user", "content": content}
            ],
            max_tokens=100
        )
        raw_result = response.choices[0].message.content.strip()
        logging.info(f"Raw GPT image query response: '{raw_result}'")
        print(f"DEBUG: Raw GPT image query response: '{raw_result}'")
        
        cleaned_result = re.sub(r'```json\s*|\s*```', '', raw_result).strip()
        result = json.loads(cleaned_result)
        if not isinstance(result, dict) or "search" not in result or "relevance" not in result or len(result["search"].split()) < 2:
            logging.warning(f"Invalid image query format: {result}, using fallback")
            words = re.findall(r'\w+', content.lower())
            filtered_words = [w for w in words if w not in RECIPE_KEYWORDS + PROMO_KEYWORDS + ['trends', 'future', 'dog', 'family']]
            search = " ".join(filtered_words[:3]) or "restaurant innovation"
            relevance = filtered_words[3:6] or ["dining", "tech"]
            result = {"search": search, "relevance": " ".join(relevance)}
        
        logging.info(f"Generated image query: {result}")
        print(f"DEBUG: Image query from content: {result}")
        return result["search"], result["relevance"].split()
    except json.JSONDecodeError as e:
        logging.error(f"JSON parsing failed for image query: {e}, raw response: '{raw_result}'")
        words = re.findall(r'\w+', content.lower())
        filtered_words = [w for w in words if w not in RECIPE_KEYWORDS + PROMO_KEYWORDS + ['trends', 'future', 'dog', 'family']]
        search = " ".join(filtered_words[:3]) or "restaurant innovation"
        relevance = filtered_words[3:6] or ["dining", "tech"]
        logging.info(f"Fallback image query: {{'search': '{search}', 'relevance': '{' '.join(relevance)}'}}")
        return search, relevance
    except Exception as e:
        logging.error(f"Image query generation failed: {e}")
        print(f"Image Query Error: {e}")
        return None, None

def smart_image_and_filter(title, summary):
    try:
        content = f"{title}\n\n{summary}"
        
        prompt = (
            "Analyze this article title and summary. Extract key entities (brands, locations, cuisines, or topics) "
            "for an image search about food industry trends or viral content. Prioritize specific terms if present, "
            "otherwise focus on the main theme. "
            "Return 'SKIP' if the article is about home appliances, recipes, promotions, or contains 'homemade', else 'KEEP'. "
            "Return as JSON with double quotes for all property names and string values (e.g., {\"image_query\": \"specific term\", \"relevance\": [\"keyword1\", \"keyword2\"], \"action\": \"KEEP\" or \"SKIP\"})."
        )
        
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": prompt},
                {"role": "user", "content": content}
            ],
            max_tokens=100
        )
        raw_result = response.choices[0].message.content.strip()
        logging.info(f"Raw GPT smart image/filter response: '{raw_result}'")
        
        # Remove ```json markers and fix single quotes in JSON structure
        cleaned_result = re.sub(r'```json\s*|\s*```', '', raw_result).strip()
        # Replace single quotes with double quotes, but preserve single quotes within string values
        fixed_result = re.sub(r"(?<!\\)'(?=\s*[\w\s]*\])|(?<=\[|\{|\s)'|'(?=\s*[\]\},:])|(?<=\w)'(?=\s*:)", '"', cleaned_result)
        
        try:
            result = json.loads(fixed_result)
        except json.JSONDecodeError as e:
            logging.warning(f"JSON parsing failed: {e}, raw: '{fixed_result}'. Using fallback.")
            return "food trends", ["cuisine", "dining"], False
        
        if not isinstance(result, dict) or "image_query" not in result or "relevance" not in result or "action" not in result:
            logging.warning(f"Invalid GPT response format: {result}, using fallback")
            return "food trends", ["cuisine", "dining"], False
        
        image_query = result["image_query"]
        relevance_keywords = result["relevance"]
        skip_flag = result["action"] == "SKIP" or "homemade" in title.lower() or "homemade" in summary.lower()
        
        logging.info(f"Smart image query: {image_query}, Relevance: {relevance_keywords}, Skip: {skip_flag}")
        
        if not image_query or len(image_query.split()) < 2:
            logging.warning(f"Image query '{image_query}' too vague, using fallback")
            return "food trends", ["cuisine", "dining"], skip_flag
        
        return image_query, relevance_keywords, skip_flag
    
    except Exception as e:
        logging.error(f"Smart image/filter failed: {e}, using fallback")
        return "food trends", ["cuisine", "dining"], False

def upload_image_to_wp(image_url, post_title, wp_base_url, wp_username, wp_password, image_source="Pixabay", uploader=None, pixabay_url=None):
    try:
        safe_title = post_title.encode('ascii', 'ignore').decode('ascii').replace(' ', '_')[:50]
        headers = {
            "Authorization": f"Basic {base64.b64encode(f'{wp_username}:{wp_password}'.encode()).decode()}",
            "Content-Disposition": f"attachment; filename={safe_title}.jpg",
            "Content-Type": "image/jpeg"
        }
        image_headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
        }
        logging.info(f"Fetching image from {image_url} for '{post_title}'")
        image_response = requests.get(image_url, headers=image_headers, timeout=10)
        image_response.raise_for_status()
        
        response = requests.post(
            f"{wp_base_url}/media",
            headers=headers,
            data=image_response.content
        )
        response.raise_for_status()
        
        image_id = response.json()["id"]
        caption = f'<a href="{pixabay_url}">{image_source}</a> by {uploader}' if pixabay_url and uploader else image_source
        requests.post(
            f"{wp_base_url}/media/{image_id}",
            headers={"Authorization": headers["Authorization"], "Content-Type": "application/json"},
            json={"caption": caption}
        )
        
        logging.info(f"Uploaded image '{safe_title}.jpg' to WP (ID: {image_id}) with caption '{caption}'")
        return image_id
    except Exception as e:
        logging.error(f"Image upload to WP failed for '{post_title}': {e}")
        return None

def determine_paragraph_count(interest_score):
    if interest_score >= 9:
        return 5
    elif interest_score >= 7:
        return 4
    return 3

def is_interesting(summary):
    try:
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": (
                    "Rate this content from 0-10 based on its rarity, buzzworthiness, and engagement potential for food lovers, covering a wide range of food topics (skip recipes). "
                    "Score 8-10 for rare, highly shareable ideas that grab attention. "
                    "Score 5-7 for fresh, engaging updates with broad appeal. Score below 5 for common or unremarkable content. "
                    "Return only a number."
                )},
                {"role": "user", "content": f"Content: {summary}"}
            ],
            max_tokens=5
        )
        raw_score = response.choices[0].message.content.strip()
        score = int(raw_score) if raw_score.isdigit() else 0
        print(f"Interest Score for '{summary[:50]}...': {score} (raw: {raw_score})")
        logging.info(f"Interest Score: {score} (raw: {raw_score})")
        return score
    except Exception as e:
        logging.error(f"Interestingness scoring failed: {e}")
        print(f"Interest Error: {e}")
        return 0

def generate_title_from_summary(summary):
    banned_words = ["elevate", "elevating", "elevated"]
    for attempt in range(3):
        try:
            response = client.chat.completions.create(
                model=LIGHT_TASK_MODEL,
                messages=[
                    {"role": "system", "content": (
                        "Generate a concise, engaging title (under 100 characters) based on this summary, covering food topics. "
                        "Craft it with Upworthy/Buzzfeed flair—think ‘you won’t believe this’ or ‘this is nuts’—for food insiders. "
                        "Avoid quotes, emojis, special characters, or the words 'elevate', 'elevating', 'elevated'. "
                        "End with a question to spark shares."
                    )},
                    {"role": "user", "content": f"Summary: {summary}"}
                ],
                max_tokens=30
            )
            title = response.choices[0].message.content.strip().replace('"', '').replace("'", "")
            if ':' in title:
                title = title.split(':', 1)[1].strip()
            if len(title) > 100 or any(word in title.lower() for word in banned_words):
                reason = "length" if len(title) > 100 else "banned word"
                print(f"Rejected title (attempt {attempt + 1}/3): '{title}' due to {reason}")
                logging.info(f"Rejected title (attempt {attempt + 1}/3): '{title}' due to {reason}")
                continue
            logging.info(f"Generated title: {title}")
            return title
        except Exception as e:
            logging.error(f"Title generation failed (attempt {attempt + 1}/3): {e}")
            print(f"Title Error: {e}")
    print("Failed to generate valid title after 3 attempts")
    logging.info("Failed to generate valid title after 3 attempts")
    return None

def summarize_with_gpt4o(content, source_name, link, interest_score=0, extra_prompt=""):
    try:
        persona = select_best_persona(interest_score, content)
        persona_config = PERSONA_CONFIGS.get(persona, {
            "article_prompt": "Write a concise, engaging summary that captures the essence of the content for food lovers.",
            "description": "a generic food writer",
            "tone": "an engaging tone"
        })
        prompt = persona_config["article_prompt"].format(
            description=persona_config["description"],
            tone=persona_config["tone"],
            num_paragraphs=determine_paragraph_count(interest_score)
        )
        logging.info(f"Using {persona} with interest_score and content")
        
        full_prompt = (
            f"{prompt}\n\n"
            f"{extra_prompt}\n\n"
            f"Avoid using the word 'elevate'—use more humanized language like 'level up' or 'bring to life'.\n"
            f"Content to summarize:\n{content}\n\n"
            f"Source: {source_name}\n"
            f"Link: {link}"
        )
        
        response = client.chat.completions.create(
            model=SUMMARY_MODEL,
            messages=[
                {"role": "system", "content": full_prompt},
                {"role": "user", "content": content}
            ],
            max_tokens=1000,
            temperature=0.7
        )
        
        summary = response.choices[0].message.content.strip()
        logging.info(f"Processed summary (Persona: {persona}): {summary}")
        return summary
    
    except Exception as e:
        logging.error(f"Summary generation failed with model {SUMMARY_MODEL}: {e}")
        return None

def insert_link_naturally(summary, source_name, source_url):
    try:
        # Log the input summary to debug its structure
        logging.info(f"Input summary to insert_link_naturally: {summary!r}")

        prompt = (
            "Take this summary and insert a single HTML link naturally into one paragraph (randomly chosen). "
            "Use the format '<a href=\"{source_url}\">{source_name}</a>' and weave it into the text seamlessly, "
            "e.g., 'The latest scoop from {source_name} reveals...' or '{source_name} uncovers this wild shift.' "
            "Vary the phrasing creatively to avoid repetition (don’t always use 'dives into'). "
            "Place the link at a sentence boundary (after a period, not within numbers like '6.30am' or '1.5'). "
            "Maintain the original tone, flow, and paragraph structure, preserving all existing newlines exactly as they are. "
            "Each paragraph in the input summary is separated by a single \\n; ensure the output maintains this exact separation. "
            "Do not add or remove newlines beyond the original summary structure. "
            "Return the modified summary with exactly one link.\n\n"
            "Summary:\n{summary}\n\n"
            "Source Name: {source_name}\nSource URL: {source_url}"
        ).format(summary=summary, source_name=source_name, source_url=source_url)
        
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": prompt},
                {"role": "user", "content": "Insert the link naturally into the summary."}
            ],
            max_tokens=1000,
            temperature=0.7
        )
        new_summary = response.choices[0].message.content.strip()
        link_pattern = f'<a href="{source_url}">{source_name}</a>'
        if new_summary and new_summary.count(link_pattern) == 1:
            # Normalize paragraph separation to ensure a single \n break
            # Split by newlines, but do not filter out paragraphs to preserve the count
            paragraphs = new_summary.split('\n')
            # Strip each paragraph, but keep all paragraphs even if empty
            paragraphs = [p.strip() for p in paragraphs]
            new_summary = '\n'.join(paragraphs)
            logging.info(f"Summary with naturally embedded link (normalized): {new_summary!r}")
            return new_summary
        
        logging.warning(f"GPT failed to insert link correctly: {new_summary}. Using fallback.")
    except Exception as e:
        logging.error(f"Link insertion failed: {e}")

    # Fallback path
    time_pattern = r'\b\d{1,2}\.\d{2}(?:am|pm)\b'
    protected_summary = re.sub(time_pattern, lambda m: m.group(0).replace('.', '@'), summary)
    paragraphs = protected_summary.split('\n')
    if not paragraphs or all(not p.strip() for p in paragraphs):
        logging.error("No valid paragraphs to insert link.")
        return summary
    
    target_para = random.choice([p for p in paragraphs if p.strip()])
    phrases = [
        f"The scoop from {link_pattern} spills the details",
        f"{link_pattern} uncovers this wild shift",
        f"This gem via {link_pattern} drops some truth",
        f"{link_pattern} breaks down the buzz"
    ]
    insertion_phrase = random.choice(phrases)
    
    sentences = re.split(r'(?<=[.!?])\s+', target_para)
    insertion_point = -1
    for i, sent in enumerate(sentences):
        if sent.strip() and '@' not in sent:
            insertion_point = sum(len(s) + 1 for s in sentences[:i+1])
            break
    if insertion_point == -1:
        insertion_point = len(target_para)
    
    new_para = f"{target_para[:insertion_point]} {insertion_phrase}. {target_para[insertion_point:]}".strip()
    paragraphs[paragraphs.index(target_para)] = new_para
    new_summary = '\n'.join(paragraphs)
    
    new_summary = new_summary.replace('@', '.')
    logging.info(f"Fallback summary with link: {new_summary!r}")
    return new_summary

def generate_category_from_summary(summary):
    try:
        if not isinstance(summary, str) or not summary.strip():
            logging.warning(f"Invalid summary for category generation: {summary}. Defaulting to 'Trends'.")
            return "Trends"
        
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": (
                    "Based on this summary, select the most relevant category from: Food, Culture, Trends, Health, Lifestyle, Drink, Eats. "
                    "Return only the category name."
                )},
                {"role": "user", "content": summary}
            ],
            max_tokens=10
        )
        category = response.choices[0].message.content.strip()
        logging.info(f"Generated category: {category}")
        return category if category in ["Food", "Culture", "Trends", "Health", "Lifestyle", "Drink", "Eats"] else "Trends"
    except Exception as e:
        logging.error(f"Category generation failed: {e}")
        return "Trends"

def get_wp_category_id(category_name, wp_base_url, wp_username, wp_password):
    try:
        headers = {"Authorization": f"Basic {base64.b64encode(f'{wp_username}:{wp_password}'.encode()).decode()}"}
        response = requests.get(f"{wp_base_url}/categories", headers=headers, params={"search": category_name})
        response.raise_for_status()
        categories = response.json()
        for cat in categories:
            if cat["name"].lower() == category_name.lower():
                return cat["id"]
        return None
    except Exception as e:
        logging.error(f"Failed to get WP category ID for '{category_name}': {e}")
        return None

def create_wp_category(category_name, wp_base_url, wp_username, wp_password):
    try:
        headers = {
            "Authorization": f"Basic {base64.b64encode(f'{wp_username}:{wp_password}'.encode()).decode()}",
            "Content-Type": "application/json"
        }
        payload = {"name": category_name}
        response = requests.post(f"{wp_base_url}/categories", headers=headers, json=payload)
        response.raise_for_status()
        return response.json()["id"]
    except Exception as e:
        logging.error(f"Failed to create WP category '{category_name}': {e}")
        return None

def get_wp_tag_id(tag_name, wp_base_url, wp_username, wp_password):
    try:
        headers = {"Authorization": f"Basic {base64.b64encode(f'{wp_username}:{wp_password}'.encode()).decode()}"}
        response = requests.get(f"{wp_base_url}/tags", headers=headers, params={"search": tag_name})
        response.raise_for_status()
        tags = response.json()
        for tag in tags:
            if tag["name"].lower() == tag_name.lower():
                return tag["id"]
        return None
    except Exception as e:
        logging.error(f"Failed to get WP tag ID for '{tag_name}': {e}")
        return None

def post_to_wp(post_data, category, link, author, image_url, original_source, image_source="Pixabay", uploader=None, pixabay_url=None, interest_score=4, post_id=None, should_post_tweet=True):
    wp_base_url = "https://insiderfoodie.com/wp-json/wp/v2"
    logging.info(f"Starting post_to_wp for '{post_data['title']}', image_source: {image_source}")
    
    if not isinstance(author, dict) or "username" not in author or "password" not in author:
        raise ValueError(f"Invalid author data: {author}. Expected a dictionary with 'username' and 'password' keys.")
    
    wp_username = author["username"]
    wp_password = author["password"]
    
    if not isinstance(interest_score, int):
        logging.error(f"Invalid interest_score type: {type(interest_score)}, value: '{interest_score}'. Defaulting to 4.")
        interest_score = 4
    elif interest_score < 0 or interest_score > 10:
        logging.warning(f"interest_score out of valid range (0-10): {interest_score}. Clamping to 4.")
        interest_score = min(max(interest_score, 0), 10)
    
    try:
        headers = {
            "Authorization": f"Basic {base64.b64encode(f'{wp_username}:{wp_password}'.encode()).decode()}",
            "Content-Type": "application/json"
        }
        
        auth_test = requests.get(f"{wp_base_url}/users/me", headers=headers)
        auth_test.raise_for_status()
        logging.info(f"Auth test passed for {wp_username}: {auth_test.json()['id']}")
        
        category_id = get_wp_category_id(category, wp_base_url, wp_username, wp_password)
        if not category_id:
            category_id = create_wp_category(category, wp_base_url, wp_username, wp_password)
            logging.info(f"Created new category '{category}' with ID {category_id}")
        else:
            logging.info(f"Found existing category '{category}' with ID {category_id}")
        
        tags = [1]
        if interest_score >= 9:
            picks_tag_id = get_wp_tag_id("Picks", wp_base_url, wp_username, wp_password)
            if picks_tag_id and picks_tag_id not in tags:
                tags.append(picks_tag_id)
                logging.info(f"Added 'Picks' tag (ID: {picks_tag_id}) to post due to high interest score: {interest_score}")
        
        content = post_data["content"]
        if content is None:
            logging.error(f"Post content is None for title '{post_data['title']}' - using fallback")
            content = "Content unavailable. Check the original source for details."
        formatted_content = "\n".join(f"<p>{para}</p>" for para in content.split('\n') if para.strip())        
        author_id_map = {
            "owenjohnson": 10,
            "javiermorales": 2,
            "aishapatel": 3,
            "trangnguyen": 12,
            "keishareid": 13,
            "lilamoreau": 7
        }
        author_id = author_id_map.get(author["username"], 5)
        
        payload = {
            "title": post_data["title"],
            "content": formatted_content,
            "status": "publish",
            "categories": [category_id],
            "tags": tags,
            "author": author_id,
            "meta": {
                "original_link": link,
                "original_source": original_source,
                "interest_score": interest_score
            }
        }
        
        if image_url and not post_id:
            logging.info(f"Attempting image upload for '{post_data['title']}', URL: {image_url}, source: {image_source}")
            image_id = upload_image_to_wp(image_url, post_data["title"], wp_base_url, wp_username, wp_password, image_source, uploader, pixabay_url)
            if not image_id:
                logging.info(f"Flickr upload failed for '{post_data['title']}', falling back to Pixabay")
                pixabay_query = post_data["title"][:50]
                image_url, image_source, uploader, pixabay_url = get_image(pixabay_query)
                if image_url:
                    image_id = upload_image_to_wp(image_url, post_data["title"], wp_base_url, wp_username, wp_password, image_source, uploader, pixabay_url)
            if image_id:
                payload["featured_media"] = image_id
            else:
                logging.warning(f"All image uploads failed for '{post_data['title']}' - posting without image")
        
        endpoint = f"{wp_base_url}/posts/{post_id}" if post_id else f"{wp_base_url}/posts"
        method = requests.post
        
        logging.debug(f"Sending WP request to {endpoint} with payload: {json.dumps(payload, indent=2)}")
        
        response = method(endpoint, headers=headers, json=payload)
        response.raise_for_status()
        
        post_info = response.json()
        logging.debug(f"WP response: {json.dumps(post_info, indent=2)}")
        
        if not isinstance(post_info, dict) or "id" not in post_info:
            raise ValueError(f"Invalid WP response: {post_info}")
        
        post_id = post_info["id"]
        post_url = post_info["link"]

        # Save to recent_posts.json
        timestamp = datetime.now(timezone.utc).isoformat()
        save_post_to_recent(post_data["title"], post_url, author["username"], timestamp)

        # Post article tweet to X only if should_post_tweet is True
        if should_post_tweet:
            try:
                post = {"title": post_data["title"], "url": post_url}
                tweet = generate_article_tweet(author, post, author["persona"])
                if post_tweet(author, tweet):  # Use the actual post_tweet function
                    logging.info(f"Successfully posted article tweet for {author['username']} on X")
                else:
                    logging.warning(f"Failed to post article tweet for {author['username']} on X")
            except Exception as e:
                logging.error(f"Error posting article tweet for {author['username']}: {e}")

        logging.info(f"Posted/Updated by {author['username']}: {post_data['title']} (ID: {post_id})")
        return post_id, post_url
    
    except requests.exceptions.RequestException as e:
        logging.error(f"WP API request failed: {e} - Response: {e.response.text if e.response else 'No response'}")
        print(f"WP Error: {e}")
        return None, None
    except KeyError as e:
        logging.error(f"WP payload error - Missing key: {e} - Author data: {author}")
        print(f"WP Error: {e}")
        return None, None
    except Exception as e:
        logging.error(f"WP posting failed: {e}")
        print(f"WP Error: {e}")
        return None, None

# Configure Flickr API with credentials
flickr_api.set_keys(api_key=FLICKR_API_KEY, api_secret=FLICKR_API_SECRET)
logging.info(f"Flickr API configured with key: {FLICKR_API_KEY[:4]}... and secret: {FLICKR_API_SECRET[:4]}...")

# Global variable to track the last Flickr request time
last_flickr_request_time = 0

# Flickr request counter
flickr_request_count = 0
flickr_request_start_time = time.time()

# Define exclude keywords for filtering unwanted image types
exclude_keywords = [
    "poster", "infographic", "chart", "graph", "data", "stats", "text", "typography",
    "design", "advertisement", "illustration", "diagram", "layout", "print"
]

def reset_flickr_request_count():
    global flickr_request_count, flickr_request_start_time
    if time.time() - flickr_request_start_time >= 3600:  # Reset every hour
        flickr_request_count = 0
        flickr_request_start_time = time.time()

def get_flickr_image(search_query, relevance_keywords):
    global last_flickr_request_time, flickr_request_count
    
    reset_flickr_request_count()
    flickr_request_count += 1
    logging.info(f"Flickr request count: {flickr_request_count}/3600")
    
    # Enforce a minimum delay of 1 second between Flickr requests
    current_time = time.time()
    time_since_last_request = current_time - last_flickr_request_time
    if time_since_last_request < 1:
        time.sleep(1 - time_since_last_request)
    
    last_flickr_request_time = time.time()
    
    try:
        # Search for photos on Flickr using the API
        photos = flickr_api.Photo.search(
            text=search_query,
            per_page=10,
            sort='relevance',
            safe_search=1,
            media='photos',
            license='4,5,9,10'  # Commercial use licenses (CC BY, CC BY-SA, etc.)
        )
        
        headers = {'User-Agent': 'InsiderFoodieBot/1.0 (https://insiderfoodie.com; contact@insiderfoodie.com)'}
        
        for photo in photos:
            # Fetch photo metadata (tags and title)
            tags = [tag.text.lower() for tag in photo.getTags()]
            title = photo.title.lower() if photo.title else ""
            
            # Filter out images with unwanted keywords in tags or title
            matched_keywords = [kw for kw in exclude_keywords if kw in tags or kw in title]
            if matched_keywords:
                logging.info(f"Skipping image with unwanted keywords: {photo.id} (tags: {tags}, title: {title}, matched: {matched_keywords})")
                continue
            
            img_url = photo.getPhotoFile(size_label='Large')
            if not img_url:
                img_url = photo.getPhotoFile(size_label='Medium')
            if not img_url:
                continue
            if img_url in used_images:
                continue
            
            # Download the image and run OCR to check for excessive text
            temp_file = None
            try:
                img_response = requests.get(img_url, headers=headers, timeout=10)
                img_response.raise_for_status()
                with tempfile.NamedTemporaryFile(delete=False, suffix='.jpg') as temp_file:
                    temp_file.write(img_response.content)
                    temp_path = temp_file.name

                img = Image.open(temp_path)
                text = pytesseract.image_to_string(img)
                char_count = len(text.strip())
                logging.info(f"OCR processed {img_url}: {char_count} characters detected")

                if char_count > 200:
                    logging.info(f"Skipping text-heavy image (OCR): {img_url} (char_count: {char_count})")
                    continue

                uploader = photo.owner.username
                page_url = f"https://www.flickr.com/photos/{photo.owner.nsid}/{photo.id}"
                
                # Save Flickr image metadata
                flickr_data = {
                    "title": search_query,
                    "image_url": img_url,
                    "source": "Flickr",
                    "uploader": uploader,
                    "page_url": page_url,
                    "timestamp": datetime.now(timezone.utc).isoformat(),
                    "ocr_chars": char_count
                }
                flickr_file = "/home/shane/foodie_automator/flickr_images.json"
                with open(flickr_file, 'a') as f:
                    json.dump(flickr_data, f)
                    f.write('\n')
                logging.info(f"Saved Flickr image to {flickr_file}: {img_url}")
                
                logging.info(f"Fetched Flickr image: {img_url} by {uploader} for query '{search_query}' (tags: {tags})")
                return img_url, "Flickr", uploader, page_url

            except requests.exceptions.HTTPError as e:
                if e.response.status_code == 429:
                    logging.warning(f"Rate limit hit for {img_url}. Falling back to Pixabay.")
                    return None, None, None, None
                else:
                    logging.warning(f"Download failed for {img_url}: {e}")
                    continue
            except Exception as e:
                logging.warning(f"OCR processing failed for {img_url}: {e}")
                continue
            finally:
                if temp_file and os.path.exists(temp_path):
                    os.unlink(temp_path)
        
        logging.warning(f"No valid Flickr image found for query '{search_query}'.")
        return None, None, None, None
        
    except Exception as e:
        logging.warning(f"Flickr API error for query '{search_query}': {e}. Falling back to Pixabay.")
        return None, None, None, None
    
def select_best_author(summary):
    try:
        response = client.chat.completions.create(
            model=LIGHT_TASK_MODEL,
            messages=[
                {"role": "system", "content": (
                    "Based on this restaurant/food industry trend summary, pick the most suitable author from: "
                    "owenjohnson, javiermorales, aishapatel, trangnguyen, keishareid, lilamoreau. "
                    "Consider their expertise: owenjohnson (global dining trends), javiermorales (food critique), "
                    "aishapatel (emerging food trends), trangnguyen (cultural dining), keishareid (soul food heritage), "
                    "lilamoreau (global street food). Return only the username."
                )},
                {"role": "user", "content": summary}
            ],
            max_tokens=20
        )
        author = response.choices[0].message.content.strip()
        valid_authors = ["owenjohnson", "javiermorales", "aishapatel", "trangnguyen", "keishareid", "lilamoreau"]
        logging.info(f"Selected author: {author}")
        return author if author in valid_authors else "owenjohnson"
    except Exception as e:
        logging.error(f"Author selection failed: {e}")
        return "owenjohnson"

def prepare_post_data(final_summary, original_title, context_info=""):
    innovative_title = generate_title_from_summary(final_summary)
    if not innovative_title:
        logging.info(f"Title generation failed for '{original_title}' {context_info}")
        return None, None, None, None, None, None, None
    
    search_query, relevance_keywords = generate_image_query(f"{innovative_title}\n\n{final_summary}")
    if not search_query:
        logging.info(f"Image query generation failed for '{innovative_title}' {context_info}")
        return None, None, None, None, None, None, None
    
    logging.info(f"Fetching Flickr image for query: '{search_query}' {context_info}")
    image_url, image_source, uploader, page_url = get_flickr_image_via_ddg(search_query, relevance_keywords)
    
    if not image_url:
        logging.info(f"Flickr fetch failed for '{search_query}' - falling back to Pixabay {context_info}")
        image_query, _ = generate_image_query(f"{innovative_title}\n\n{final_summary}")
        image_url, image_source, uploader, page_url = get_image(image_query)
        if not image_url:
            logging.info(f"Pixabay fetch failed for title '{innovative_title}' - falling back to summary {context_info}")
            image_query, _ = generate_image_query(f"{final_summary}")
            image_url, image_source, uploader, page_url = get_image(image_query)
            if not image_url:
                logging.info(f"Image fetch failed again for '{original_title}' - proceeding without image {context_info}")
    
    post_data = {"title": innovative_title, "content": final_summary}
    selected_username = select_best_author(final_summary)
    author = next((a for a in AUTHORS if a["username"] == selected_username), None)
    if not author:
        logging.error(f"Author '{selected_username}' not found in AUTHORS, defaulting to owenjohnson")
        author = {"username": "owenjohnson", "password": "rfjk xhn6 2RPy FuQ9 cGlU K8mC"}
    category = generate_category_from_summary(final_summary)
    
    return post_data, author, category, image_url, image_source, uploader, page_url

def save_post_to_recent(post_title, post_url, author_username, timestamp):
    try:
        recent_posts = load_json_file('/home/shane/foodie_automator/recent_posts.json')
        entry = {
            "title": post_title,
            "url": post_url,
            "author_username": author_username,
            "timestamp": timestamp
        }
        recent_posts.append(entry)
        with open('/home/shane/foodie_automator/recent_posts.json', 'w') as f:
            for item in recent_posts:
                json.dump(item, f)
                f.write('\n')
        logging.info(f"Saved post '{post_title}' to recent_posts.json")
    except Exception as e:
        logging.error(f"Failed to save post to recent_posts.json: {e}")

def prune_recent_posts():
    try:
        cutoff = (datetime.now(timezone.utc) - timedelta(hours=24)).isoformat()
        recent_posts = load_json_file('/home/shane/foodie_automator/recent_posts.json')
        recent_posts = [entry for entry in recent_posts if entry["timestamp"] > cutoff]
        with open('/home/shane/foodie_automator/recent_posts.json', 'w') as f:
            for item in recent_posts:
                json.dump(item, f)
                f.write('\n')
        logging.info(f"Pruned recent_posts.json to {len(recent_posts)} entries")
    except Exception as e:
        logging.error(f"Failed to prune recent_posts.json: {e}")