from threading import RLock

from Powers import LOGGER
from Powers.database import MongoDB

INSERTION_LOCK = RLock()

class LOCKS(MongoDB):
    """Class to store locks"""
    
    db_name = "locks"

    def __init__(self) -> None:
        super().__init__(self.db_name)

    def insert_lock_channel(self, chat: int, locktype: str):
        """
        locktypes: anti_c_send, anti_fwd, anti_fwd_u, anti_fwd_c, anti_links
        """
        curr = self.find_one({"chat_id":chat,"locktype":locktype})
        if curr:
            return False
        else:
            with INSERTION_LOCK:
                hmm = self.merge_u_and_c(chat,locktype)
                if not hmm:
                    self.insert_one({"chat_id":chat,"locktype":locktype})
            return True

    def remove_lock_channel(self, chat: int, locktype: str):
        """
        locktypes: anti_c_send, anti_fwd, anti_fwd_u, anti_fwd_c, anti_links
        """
        curr = self.find_one({"chat_id":chat,"locktype":locktype})
        if curr:
            with INSERTION_LOCK:
                self.delete_one({"chat_id":chat,"locktype":locktype})
            return True
        else:
            return False

    def get_lock_channel(self, locktype: str="all"):
        """
        locktypes: anti_c_send, anti_fwd, anti_fwd_u, anti_fwd_c, anti_links
        """
        if locktype not in ["anti_c_send","anti_fwd","anti_fwd_u","anti_fwd_c","anti_links", "all"]:
            return False
        else:
            if locktype == "all":
                find = {}
            else:
                find = {"locktype":locktype}
            curr = self.find_all(find)
            if not curr:
                list_ = []
            else:
                list_ = [i["chat_id"] for i in curr]
            return list_

    def merge_u_and_c(self, chat: int, locktype: str):
        if locktype == "anti_fwd_u":
            curr = self.find_one({"chat_id":chat,"locktype":"anti_fwd_c"})
        elif locktype == "anti_fwd_c":
            curr = self.find_one({"chat_id":chat,"locktype":"anti_fwd_u"})
        else:
            return False

        if curr:
            self.delete_one({"chat_id":chat,"locktype":locktype})
            self.insert_one({"chat_id":chat,"locktype":"anti_fwd"})
            return True
        else:
            return False

    def is_particular_lock(self, chat: int, locktype: str):
        """
        locktypes: anti_c_send, anti_fwd, anti_fwd_u, anti_fwd_c, anti_links
        """
        curr = self.find_one({"chat_id":chat,"locktype":locktype})
        if curr:
            return True
        else:
            return False