import facebook
import requests
from func_ai import analyze_sentiment

GRAPH_API_URL = 'https://graph.facebook.com/v20.0'

def hide_negative_comments(token):
    def init_facebook_client(token):
        print("Инициализация клиента Facebook.")
        return facebook.GraphAPI(access_token=token)

    def get_facebook_posts():
        print("Получение постов.")
        params = {
            'include_inline_create': 'true',
            "limit": 30
        }
        graph = init_facebook_client(token)
        
        user_posts_data = graph.get_object(id='me/posts', fields='id,message,created_time')
        user_posts = user_posts_data.get('data', [])
        print(f"Найдено {len(user_posts)} пользовательских постов.")

        try:
            ads_posts_data = graph.get_object('me/ads_posts', **params)
            ads_posts = ads_posts_data.get('data', [])
            print(f"Найдено {len(ads_posts)} рекламных постов.")
        except facebook.GraphAPIError as e:
            print(f"Ошибка при получении рекламных постов: {e}")
            ads_posts = []
        
        all_posts = user_posts + ads_posts
        unique_posts_dict = {post['id']: post for post in all_posts}
        unique_posts = list(unique_posts_dict.values())
        print(f"Всего уникальных постов: {len(unique_posts)}.")
        
        return unique_posts

    def get_comments_for_post(post_id):
        print(f"Получение комментариев для поста {post_id}.")
        graph = init_facebook_client(token)
        comments = []
        url = f'{post_id}/comments'
        params = {'fields': 'id,message,is_hidden'}
        while True:
            try:
                comments_data = graph.get_object(id=url, **params)
            except facebook.GraphAPIError as e:
                print(f"Ошибка при получении комментариев для поста {post_id}: {e}")
                break
            visible_comments = [comment for comment in comments_data.get('data', []) if not comment.get('is_hidden', False)]
            comments.extend(visible_comments)
            print(f"Найдено {len(visible_comments)} видимых комментариев для поста {post_id}.")
            if 'paging' in comments_data and 'next' in comments_data['paging']:
                url = comments_data['paging']['next']
                params = {}
            else:
                break
        return comments

    def filter_comments(comments, sentiments):
        print("Фильтрация негативных комментариев.")
        negative_comments = []
        for comment, sentiment in zip(comments, sentiments):
            if sentiment['label'].lower() == 'negative':
                print(f"Негативный комментарий найден: {comment['message']}")
                negative_comments.append(comment)
        return negative_comments

    def hide_comment(comment_id):
        print(f"Скрытие комментария {comment_id}.")
        graph = init_facebook_client(token)
        try:
            graph.request(f'{comment_id}', post_args={'is_hidden': True}, method='POST')
            return True
        except facebook.GraphAPIError as e:
            print(f"Ошибка при скрытии комментария {comment_id}: {e}")
            return False

    posts = get_facebook_posts()
    if not posts:
        print("Нет постов для обработки.")
        return []

    hidden_comments_per_post = []
    processed_comment_ids = set()  # Отслеживание обработанных комментариев

    for post in posts:
        post_id = post['id']
        post_message = post.get('message', '')
        comments = get_comments_for_post(post_id)
        if not comments:
            print(f"Нет комментариев для поста {post_id}.")
            continue

        hidden_comments = []
        comments_text = []
        comments_to_process = []

        for comment in comments:
            comment_id = comment['id']
            if comment_id in processed_comment_ids:
                print(f"Комментарий {comment_id} уже обработан. Пропуск.")
                continue
            processed_comment_ids.add(comment_id)
            comments_text.append(comment['message'])
            comments_to_process.append(comment)

        if not comments_to_process:
            continue

        sentiments = analyze_sentiment(comments_text)
        negative_comments = filter_comments(comments_to_process, sentiments)

        for comment in negative_comments:
            if hide_comment(comment['id']):
                hidden_comments.append({
                    'id': comment['id'],
                    'message': comment['message']
                })

        if hidden_comments:
            hidden_comments_per_post.append({
                'post_id': post_id,
                'post_message': post_message,
                'hidden_comments': hidden_comments
            })

    return hidden_comments_per_post



def get_page_id(page_access_token):
    print("Получение ID страницы.")
    url = f"{GRAPH_API_URL}/me"
    params = {
        "access_token": page_access_token,
        "fields": "id,name"
    }
    response = requests.get(url, params=params)
    data = response.json()
    if 'error' in data:
        print(f"Ошибка при получении ID страницы: {data['error']}")
        return None
    return data.get("id")


def get_posts(page_id, page_access_token):
    print(f"Получение постов для страницы {page_id}.")
    url = f"{GRAPH_API_URL}/{page_id}/posts"
    url_ads = f"{GRAPH_API_URL}/{page_id}/ads_posts?include_inline_create=true"
    params = {
        "access_token": page_access_token,
        "fields": "id,message",
        "limit": 30
    }
    
    posts = []
    
    while True:
        response = requests.get(url, params=params)
        data = response.json()

        if 'error' in data:
            print(f"Ошибка при получении постов: {data['error']}")
            break
        
        posts.extend(data.get("data", []))
        print(f"Получено {len(data.get('data', []))} постов.")

        response_ads = requests.get(url_ads, params={"access_token": page_access_token, "fields": "id,message"})
        data_ads = response_ads.json()

        if 'error' in data_ads:
            print(f"Ошибка при получении рекламных постов: {data_ads['error']}")
            break
        
        posts.extend(data_ads.get("data", []))
        print(f"Получено {len(data_ads.get('data', []))} рекламных постов.")
        
        if 'paging' in data and 'next' in data['paging']:
            url = data['paging']['next']
            params = {}
        else:
            break

    return posts


def get_comments(post_id, page_access_token):
    print(f"Получение комментариев для поста {post_id}.")
    url = f"{GRAPH_API_URL}/{post_id}/comments"
    params = {
        "access_token": page_access_token,
        "fields": "id,from,message,is_hidden",
    }
    comments = []
    while True:
        response = requests.get(url, params=params)
        data = response.json()
        if 'error' in data:
            print(f"Ошибка при получении комментариев к посту {post_id}: {data['error']}")
            break
        comments.extend(data.get("data", []))
        print(f"Найдено {len(data.get('data', []))} комментариев.")
        if 'paging' in data and 'next' in data['paging']:
            url = data['paging']['next']
            params = {}
        else:
            break
    return comments


def has_page_replied(comment_id, page_id, page_access_token):
    print(f"Проверка ответа на комментарий {comment_id}.")
    url = f"{GRAPH_API_URL}/{comment_id}/comments"
    params = {
        "access_token": page_access_token,
        "fields": "from{id},message",
    }
    while True:
        try:
            response = requests.get(url, params=params)
            if response.status_code != 200:
                print(f"Ошибка при запросе API: {response.status_code} - {response.text}")
                return False
            data = response.json()
            if 'error' in data:
                print(f"Ошибка при получении ответов на комментарий {comment_id}: {data['error']}")
                return False
            for reply in data.get("data", []):
                reply_from = reply.get('from', {})
                reply_from_id = reply_from.get('id')
                reply_message = reply.get('message', '')
                print(f"Найдена реплика от пользователя: {reply_from_id}, сообщение: {reply_message}")
                if reply_from_id == page_id:
                    print(f"Страница {page_id} уже ответила на комментарий {comment_id}.")
                    return True
            if 'paging' in data and 'next' in data['paging']:
                url = data['paging']['next']
                params = {}
            else:
                break
        except requests.exceptions.RequestException as e:
            print(f"Ошибка при выполнении запроса: {e}")
            return False
    print(f"Страница {page_id} не ответила на комментарий {comment_id}.")
    return False



def get_unanswered_comments(page_access_token):
    page_id = get_page_id(page_access_token)
    if not page_id:
        return []

    print(f"ID Страницы: {page_id}")
    posts = get_posts(page_id, page_access_token)
    posts_with_unanswered_comments = []

    for post in posts:
        post_id = post['id']
        post_message = post.get('message', '')
        print(f"Обработка поста: {post_id}")
        comments = get_comments(post_id, page_access_token)

        unanswered_comments = []

        for comment in comments:
            if comment.get('is_hidden', False):
                continue
            comment_id = comment['id']
            print(f"Проверка комментария: {comment_id}")
            if not has_page_replied(comment_id, page_id, page_access_token):
                unanswered_comments.append(comment)

        if unanswered_comments:
            posts_with_unanswered_comments.append({
                'post_id': post_id,
                'post_message': post_message,
                'unanswered_comments': unanswered_comments
            })

    return posts_with_unanswered_comments


def reply_comment(comment_id, message, token):
    print(f"Отправка ответа на комментарий {comment_id}.")
    url = f"{GRAPH_API_URL}/{comment_id}/comments"
    params = {
        'access_token': token,
        'message': message
    }
    response = requests.post(url, params=params)
    if response.status_code == 200:
        print(f"Ответ успешно отправлен на комментарий {comment_id}.")
        return True
    else:
        print(f"Ошибка при отправке ответа: {response.text}")
        return False