# -*- coding: utf-8 -*-

import MySQLdb.cursors

class User(object):

    def __init__(self, dbconn, user_id=None):
        self.conn = dbconn
        self.cur = dbconn.cursor(MySQLdb.cursors.DictCursor)
        if user_id:
            self.user_id = int(user_id)
            self.load()
        else:
            self.login = None
            self.displayname = None
            self.language = 'en'
            self.role = 'undef'
            self.flags = ''

    def load(self):
        sql = (
            "SELECT login, displayname, language, role, flags "
            "FROM user "
            "WHERE user_id=%s")
        self.cur.execute(sql, (self.user_id, ))
        row = self.cur.fetchone()
        if row:
            self.data = row
            self.login = row['login']
            self.displayname = row['displayname']
            self.language = row['language']
            self.role = row['role']
            self.flags = row['flags']
        else:
            self.data = None

    def save(self):
        """
        Speichern eines Benutzers ist momentan nicht vorgesehen
        """
        pass

    """ unused at the moment
    def mark_login(self):
        sql = "UPDATE user SET last_login=NOW() WHERE username=%s"
        self.cur.execute(sql, (self.username, ))
        self.conn.commit()

    def mark_logout(self):
        sql = "UPDATE user SET last_logout=NOW() WHERE username=%s"
        self.cur.execute(sql, (self.username, ))
        self.conn.commit()
    """

    def __repr__(self):
        # Unique description
        out = "User(%d)" % self.user_id
        return out

    def __str__(self):
        # Prettyprint
        out = "User(%d) - %s\n" % (self.user_id, self.displayname)
        out += "  F: %s\n" % self.flags
        out += "  R: %s\n" % self.role
        out += "  L: %s\n" % self.language
        return out