#!/usr/bin/env python3

import re
import sys
import time
import discord
import logging
import colorlog
import requests
from bs4 import BeautifulSoup

import keys


url_post = "https://linux-gaming.ru/posts.json"
url_news = "https://linux-gaming.ru/c/news/6.json"
url_vk_api = "https://api.vk.com/method/wall.post"
url_changelog = "https://gitlab.eterfund.ru/Castro-Fidel/PortWINE/raw/master/data_from_portwine/changelog_ru"

heads_site = {
    "Content-Type": "application/json",
    "Api-Key": keys.api_key_site,
    "Api-Username": "linux-gaming"
}

logger = logging.getLogger()
logger.setLevel(logging.INFO)

handler = colorlog.StreamHandler()
handler.setFormatter(colorlog.ColoredFormatter(
    '%(log_color)s%(levelname)s: %(message)s',
    log_colors={
        'DEBUG': 'cyan',
        'INFO': 'green',
        'WARNING': 'yellow',
        'ERROR': 'red',
        'CRITICAL': 'red,bg_white',
    }
))

logger.addHandler(handler)


def main():
    try:
        last_changelog, resp_changelog = resp_change()
        check_version(last_changelog, resp_changelog)
        check_discord_public()
    except Exception as err:
        logging.error(f"Ошибка исполнения функции main: {err}")


def make_soup(resp_changelog):
    return BeautifulSoup(resp_changelog.text, 'html.parser')


def html_to_text(html_content):
    soup = BeautifulSoup(html_content, 'html.parser')
    text = soup.get_text(separator='\n')
    links = []
    for a in soup.find_all('a', href=True):
        links.append(a['href'])
    return text, links


def remove_empty_lines(text_data):
    lines = text_data.splitlines()
    non_empty_lines = [line for line in lines if line.strip()]
    return '\n'.join(non_empty_lines)


def script_content(script_ver, resp_changelog):
    soup = make_soup(resp_changelog)
    page_text = str(soup)
    page_text = page_text.replace("Вы можете помочь развитию проекта: https://linux-gaming.ru/donate/", '')
    # Находим текст до определенного текста, тега или класса (например, до тега <hr>)
    last_text = f"###Scripts version {script_ver - 1}"
    last_text = str(last_text)
    index_last_text = page_text.find(last_text)

    if index_last_text != -1:
        changelog_text_last = page_text[:index_last_text]
        prev_text = f"###Scripts version {script_ver}"
        index_script_ver = changelog_text_last.find(prev_text)

        if index_script_ver != -1:
            changelog_text = changelog_text_last[index_script_ver:]
            post_text = (f"-----------------------------\nОбновление скриптов {script_ver}\n"
                         f"-----------------------------\n") + changelog_text
        site_text = (f"[center][img]/uploads/default/original/1X/5cfa59077a5275971401fab0114e56f3ffdd0ec4.png[/img]["
                     f"/center]\n{post_text}")

        post_data = {
            "title": f"Обновление скриптов {script_ver}",
            "raw": site_text,
            "category": keys.cat_num,
            "tags": ["scripts"]
        }

        params = {
            'access_token': keys.api_key_vk,
            'v': '5.199',  # Версия API VK
            'owner_id': keys.own_id,
            'message': f'{post_text}',
            'attachments': "photo-99238527_457244491"
            # Дополнительные параметры можно добавить здесь
        }
        return post_text, post_data, params


def news_content(post_id):
    logging.info(f"Запрос содержимого поста новости с ID: {post_id}")
    response = response_get(f"https://linux-gaming.ru/t/{post_id}.json")
    if response and response.status_code == 200:
        topic_data = response.json()
        posts = topic_data.get('post_stream', {}).get('posts', [])
        # Найти первый пост
        for post in posts:
            if post.get('post_number') == 1:
                html_content = post.get('cooked', 'Нет содержимого')
                text_data, links = html_to_text(html_content)
                text_data = remove_empty_lines(text_data)
                logging.debug(text_data)
                return text_data, links
        logging.error(f"Первый пост не найден в теме с ID: {post_id}")
        return None
    else:
        logging.error(f"Не удалось получить содержимое поста с ID: {post_id}")
        return None


def response_get(url):
    try:
        return requests.get(url, headers=heads_site)
    except requests.RequestException as err:
        logging.error(f"Ошибка запроса {err}")


def resp_change():
    resp_changelog = response_get(url_changelog)

    if resp_changelog and resp_changelog.status_code == 200:
        matches_changelog = re.findall(r'###Scripts version (\d+)###', resp_changelog.text)
        logging.info(f"Найдены версии в истории изменений: {matches_changelog}")
        last_changelog = int(max(matches_changelog))
        logging.info(f"Последняя версия в истории изменений: {last_changelog}")
        return last_changelog, resp_changelog
    else:
        logging.error(
            f'Ошибка при запросе changelog: {resp_changelog.status_code if resp_changelog else "No Response"}')
        return None, None


def resp_get(url):
    return response_get(url)


def news():
    resp_topics = resp_get(url_news)

    if resp_topics.status_code == 200:
        data = resp_topics.json()
        topics = data['topic_list']['topics']
        list_titles_and_ids = [(topic['id'], str(topic['title'])) for topic in topics]
        filtered_list_titles_and_ids = [(id, title) for id, title in list_titles_and_ids if not title == ('Описание '
                                                                                                          'категории '
                                                                                                          '«Новости»')]
        return filtered_list_titles_and_ids
    else:
        logging.error(f"Ошибка при запросе тем с сайта: {resp_topics.status_code if resp_topics else
        'Нет доступа к сайту'}")
        return []


def site_post(url, headers, json):
    while True:
        title = json.get('title', 'No title')
        try:
            resp_post = requests.post(url=url, headers=headers, json=json)
            if resp_post.status_code == 200:
                logging.info("Новость опубликована на сайте!")
                return resp_post
            elif resp_post.status_code == 422:
                logging.warning(f'Новость "{title}" уже опубликована: {resp_post.status_code}')
                return resp_post
            else:
                logging.error(f'Ошибка при отправке новости "{title}" на сайт: {resp_post.status_code}')
        except requests.RequestException as error:
            logging.error(f'Ошибка при отправке новости "{title}" на сайт: {error}')
        time.sleep(900)


def vk_post(url, params):
    try:
        # Отправляем POST-запрос к VK API
        resp_post = requests.post(url=url, params=params)
    
        if resp_post.status_code == 200:
            logging.info("Сообщение успешно опубликовано.")
            logging.info(resp_post.json())  # Выводим ответ сервера в формате JSON
        else:
            logging.error(f"Ошибка при публикации сообщения в ВК:, {resp_post.status_code}")
    
        return resp_post
    except requests.RequestException as err:
        logging.error(f"VK post failed: {err}")
        return None


async def discord_post(post_text, client):
    channel = client.get_channel(keys.dicord_channel)
    await channel.send(f"{post_text}")


async def get_discord_messages(client, channel_id):
    channel = client.get_channel(channel_id)
    if not channel:
        logging.error(f"ID канала Discord {channel_id} не существует")
        return []

    messages = []
    async for message in channel.history(limit=999999):
        messages.append(message.content)
    pattern = re.compile(r'-----------------------------\n(.*?)\n-----------------------------', re.DOTALL)
    for message in messages:
        matches = pattern.findall(message)
        if matches:
            messages.extend(matches)
    logging.debug(f"Найдены сообщения в дискорде: {messages}")
    return messages


def check_version(last_changelog, resp_changelog):
    list_titles_and_ids = news()
    pattern = re.compile(r'Обновление скриптов (\d+)')

    def extract_number(title):
        match = pattern.search(title)
        if match:
            return int(match.group(1))
        return None

    numbers = [extract_number(title) for _, title in list_titles_and_ids if extract_number(title) is not None]
    last_topics_script = max(numbers)
    logging.info(f"Последняя новость на сайте о версии: {last_topics_script}")

    #last_topics_script = 2297
    if last_topics_script < last_changelog:
        list_new_ver = []

        for script_ver in range(last_topics_script + 1, last_changelog + 1):
            list_new_ver.append(script_ver)
            logging.info(f"Найдена новая версия скрипта {script_ver}")
            changelog_text, post_data, params = script_content(script_ver, resp_changelog)
            if post_data:
                site_post(url_post, heads_site, post_data)
                # vk_post(url_vk_api, params=params)

        if not list_new_ver:
            logging.warning(f"Не найдена новая версия скрипта")
            sys.exit()
    else:
        logging.warning("Нет новых версий скриптов PortProton")


def check_discord_public():
    intents = discord.Intents.default()
    intents.messages = True
    client = discord.Client(intents=intents)

    @client.event
    async def on_ready():
        logging.debug(f"Успешный логин в discord {client.user}")
        channel_id = keys.dicord_channel
        discord_messages = await get_discord_messages(client, channel_id)

        list_titles_and_ids = news()
        if list_titles_and_ids:
            list_for_public = []

            for topic_id, topic_title in list_titles_and_ids:
                if topic_title not in discord_messages:
                    list_for_public.append((topic_id, topic_title))
            if list_for_public != []:
                logging.info(f"Новости для публикации в дискорд: {list_for_public}")
            else:
                logging.info(f"Новостей для публикации в дискорд нет")
            channel = client.get_channel(channel_id)
            if not channel:
                logging.error(f"ID канала Discord {channel_id} не существует")
                await client.close()
                return

            for topic_id, topic_title in reversed(list_for_public):
                text_data, links = news_content(topic_id)
                if text_data:
                    content = f"-----------------------------\n{topic_title}\n-----------------------------\n" + text_data + "\n" + "----------------------------------------------------------"
                    for link in links:
                        if link not in content:
                            content += f"\n{link}"
                        # Разбиваем содержимое на части по 4000 символов
                    for i in range(0, len(content), 4000):
                        await channel.send(content[i:i+4000])

    client.run(keys.discord_token)


if __name__ == '__main__':
    main()