from .exceptions import MemberNotFoundException
import hashlib


class Group:
    def __init__(self, group_id, name, admidio):
        self.__c = admidio.db.cursor()
        self.id = group_id
        self.name = name
        self.admidio = admidio
        self.members = list()
        self.leaders = list()
        sql = f"""SELECT mem_usr_id, mem_leader
                FROM {self.admidio.prefix}_members
                WHERE mem_rol_id = {self.id}
                AND mem_end = '9999-12-31'"""
        self.__c.execute(sql)

        for row in self.__c.fetchall():
            try:
                if row[1] == 1:
                    self.leaders.append(admidio.getMemberFromID(row[0]))
                else:
                    self.members.append(admidio.getMemberFromID(row[0]))
            except MemberNotFoundException:
                print(
                    f"Member with id {row[0]} not found, group id: {self.id}")

    def __eq__(self, other):
        if isinstance(other, Group):
            return self.hash() == other.hash()

    def hash(self):
        return hashlib.md5((str(self.id) + self.name
                            + (''.join(str(x) for x in self.members) or '')
                            + (''.join(str(x) for x in self.leaders) or '')
                            ).encode('utf-8')).hexdigest()

    def getAllMembers(self):
        """Return leaders and members in group, combined"""
        return self.leaders.append(self.members)