#!/usr/bin/env python
from __future__ import unicode_literals

import sys
import subprocess

try:
    import ido_tests
    IDO_TESTS_FOUND = True
except ImportError:
    IDO_TESTS_FOUND = False


MYSQL = b"/usr/bin/mysql"
PARAMS = b"-t -D icinga -u icinga --password=icinga -e".split()
SEPARATOR = '|'


def run_query(query):
    p = subprocess.Popen([MYSQL] + PARAMS + [query.encode('utf-8')],
                         stdout=subprocess.PIPE)
    return parse_result([l.decode('utf-8') for l in p.stdout.readlines()])


def parse_result(resultset):
    result, header = [], None
    for line in (l for l in resultset if SEPARATOR in l):
        columns = [c.strip() for c in line[1:-3].split(SEPARATOR)]
        if header is None:
            header = columns
        else:
            result.append(dict((header[i], v) for i, v in enumerate(columns)))
    return result


def main():
    if not ido_tests.validate_tables([d['Tables_in_icinga']
                                      for d in run_query('show tables')]):
        return 1

    host_info = run_query('select * from icinga_hosts')
    if not ido_tests.verify_host_config(host_info):
        return 1

    service_info = run_query(
        'select c2.alias, c1.* from icinga_services as c1 '
        'inner join icinga_hosts as c2'
        ' on c1.host_object_id = c2.host_object_id'
        )
    if not ido_tests.verify_service_config(service_info):
        return 1

    hostchecks_data = run_query(
        'select c.alias, unix_timestamp(s.last_check) as last_check'
        ' from icinga_hoststatus as s '
        'inner join icinga_hosts as c'
        ' on s.host_object_id = c.host_object_id'
        )
    if not ido_tests.check_last_host_status_update(hostchecks_data):
        return 1

    servicechecks_data = run_query(
        'select c2.alias, c1.display_name, unix_timestamp(s.last_check) as last_check'
        ' from icinga_servicestatus as s '
        'inner join icinga_services as c1'
        ' on s.service_object_id = c1.service_object_id '
        'inner join icinga_hosts as c2'
        ' on c1.host_object_id = c2.host_object_id'
        )
    if not ido_tests.check_last_service_status_update(servicechecks_data):
        return 1

    logentry_info = run_query(
        'select hosts.alias,'
        '       max(unix_timestamp(logs.entry_time)) as entry_time,'
        '       max(unix_timestamp(hist.state_time)) as state_time'
        ' from icinga_logentries as logs '
        'inner join icinga_hosts as hosts'
        ' on logs.object_id = hosts.host_object_id and hosts.alias = "localhost" '
        'inner join icinga_statehistory as hist'
        ' on hist.object_id = hosts.host_object_id and hist.state_type = 1'
        )
    if not ido_tests.check_logentries(logentry_info):
        return 1

    return 0


if __name__ == '__main__':
    if not IDO_TESTS_FOUND:
        raise

    sys.exit(main())