from db_logic import collections
import datetime


def append_post_to_cleaning_sequence(message, type=None):
    try:
        novenkiy = {
            'msg_id':        message.message_id,
            'chat_id':       message.chat.id,
            'type':          type,
            'datetimes':     datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        }
        metadata = collections.get_posts_removal_collection().insert(novenkiy, overwrite_mode='update')

        print(f'Успешно добавлен пост на удаление') 
    except Exception as e2:
        print(f'ошибка DB :: добавление нового поста на удаление')
        print(e2)


def get_posts_to_be_removed(chat_id, type=None, max_id=None):
    # собираем
    try:
        #posts = [p for p in collections.get_posts_removal_collection().all( ) ]
         
        if type:
            posts = [p for p in collections.get_posts_removal_collection().find({'chat_id': chat_id, 'type': type}, skip=0, limit=1100) ]
        else:
            posts = [p for p in collections.get_posts_removal_collection().find({'chat_id': chat_id}, skip=0, limit=1100) ]

        posts_ret = [] 
        for p in posts: 
            last_time    = datetime.datetime.strptime(p['datetimes'], '%Y-%m-%d %H:%M:%S') 
            timediff = (datetime.datetime.now() - last_time).total_seconds() 

            if timediff > 60:
                posts_ret.append(p)
 
        if max_id:
            posts_ret = [ p for p in posts_ret if p['msg_id'] != max_id]
        else:
            posts_ret = [ p for p in posts_ret if p['msg_id'] != max([pp['msg_id'] for pp in posts_ret])]
        ### оставлять последний пост


        return posts_ret
    except Exception as e: 
        print('ошибка DB :: получение постов на удаление')
        print(e) 


def del_post(msg_id, chat_id):
    # удаляем из базы
    try:  
            
        candidate_cursor = collections.get_posts_removal_collection().find(
            {
                'msg_id':  msg_id,
                'chat_id': chat_id,
            },
            skip  = 0, 
            limit = 1488
        )
        if candidate_cursor.count() > 0:  
            pp = candidate_cursor.pop()
        else:
            pp = None

        collections.get_posts_removal_collection().delete(pp)
 
    except Exception as e: 
        print('ошибка DB :: удаление поста на удаление')
        print(e)