# $Id$
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# Copyright (C) 2009--2012  Internet Systems Consortium ("ISC")
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"""
(Re)Initialize SQL tables used by these programs.
"""

import rpki.config
import rpki.sql_schemas
from rpki.mysql_import import MySQLdb

cfg = rpki.config.parser(section = "yamltest", allow_missing = True)

for name in ("rpkid", "irdbd", "pubd"):

  username = cfg.get("%s_sql_username" % name, name[:4])
  password = cfg.get("%s_sql_password" % name, "fnord")

  schema = []
  for line in getattr(rpki.sql_schemas, name, "").splitlines():
    schema.extend(line.partition("--")[0].split())
  schema = " ".join(schema).strip(";").split(";")
  schema = [statement.strip() for statement in schema if statement and "DROP TABLE" not in statement]

  db = MySQLdb.connect(user = username, passwd = password)
  cur = db.cursor()

  cur.execute("SHOW DATABASES")

  databases = [r[0] for r in cur.fetchall() if r[0][:4] == name[:4] and r[0][4:].isdigit()]

  for database in databases:

    cur.execute("USE " + database)

    cur.execute("SHOW TABLES")
    tables = [r[0] for r in cur.fetchall()]

    cur.execute("SET foreign_key_checks = 0")
    for table in tables:
      cur.execute("DROP TABLE %s" % table)
    cur.execute("SET foreign_key_checks = 1")

    for statement in schema:
      cur.execute(statement)

  cur.close()
  db.close()