FAKE_ACCOUNTS = ('unknown','buildservice-autocommit', 'autobuild', '_service')

class User:
    def parse(self, xml, userid):
        self.userid = userid
        self.realname = xml.find("realname").text
        self.email = xml.find("email").text
        if self.email == None:
            self.email = ""

        return self

    def __str__(self):
        return f"User {self.userid}: {self.realname} {self.email}"

    def __repr__(self):
        return f"[{self.__str__()}]"

    def import_into_db(self, db):
        cur = db.cursor()
        cur.execute(
            """INSERT INTO users (userid, realname, email) 
                VALUES (%s,%s,%s) RETURNING id""",
            (
                self.userid,
                self.realname,
                self.email,
            ),
        )
        cur.close()

    def lookup(db, userid):
        cur= db.cursor()
        cur.execute("SELECT * FROM users where userid=%s", (userid,))
        row = cur.fetchone()
        if not row:
            cur.close()
            return None
        return row

    @classmethod
    def get_batch(self, db):
        cur = db.cursor()
        cur.execute(
            """SELECT DISTINCT revisions.userid 
                FROM revisions LEFT JOIN users ON revisions.userid = users.userid 
                WHERE users.userid IS NULL AND revisions.userid NOT IN 
                ('unknown','buildservice-autocommit', 'autobuild', '_service')"""
        )
        missing_users = [row[0] for row in cur.fetchall()]
        if not missing_users:
            cur.close()
            return []
        return missing_users