import MySQLdb
import member
import group
from exceptions import MemberNotFoundException


class Admidio:
    """Creates the Admidio Class"""

    def __init__(self, mysql_host, mysql_user, mysql_pass, mysql_db):
        self.db = MySQLdb.connect(
            host=mysql_host, user=mysql_user, passwd=mysql_pass, db=mysql_db)
        self.members = dict()
        self.groups = dict()
        self.userfields = None
        self.initAll()

    def __del__(self):
        self.db.close()

    def initAll(self):
        """initializes all Members and Groups"""
        c = self.db.cursor()
        # Initializing member. Get ID and Name for the user fields.
        sql = "SELECT usf_id,usf_name_intern FROM `adm_user_fields`"
        c.execute(sql)
        self.userfields = dict(c.fetchall())

        sql = """SELECT usr_id, usr_login_name, usr_password
                 FROM adm_users WHERE usr_valid = 1"""
        c.execute(sql)

        for row in c.fetchall():
            self.members[row[0]] = member.Member(
                self.db, row[0], row[1],
                row[2], self.userfields, self)
            print(self.members[row[0]])

        sql = """SELECT rol_id, rol_name, rol_description FROM adm_roles
        WHERE rol_visible=1 AND rol_valid=1"""
        c.execute(sql)
        for row in c.fetchall():
            self.groups[row[0]] = group.Group(self.db, row[0], row[1], self)

    def getMemberFromID(self, user_id):
        """Returns Member object if user_id exists,""" \
            """ otherwise throws MemberNotFoundException"""
        if user_id in self.members:
            return self.members[user_id]
        else:
            raise MemberNotFoundException(
                f"Member with id {user_id} not found")