#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# create certificate (use for test)
#    Copyright (C) 2017  AleaJactaEst
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.

import unittest
import tempfile
import os
import configparser
import multiprocessing
import time
import re
import queue
from unittest.mock import patch

try:
    import pymanager.manager as Manager
except ImportError:
    import sys
    sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
    import pymanager.manager as Manager
#try:
#    import pymanager.certificate as cert
#except ImportError:
#    import sys
#    import os
#    sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
#    import pymanager.certificate as cert

class TestManager(unittest.TestCase):
    def setUp(self):
        self.openssl = '/usr/bin/openssl'
        self.size_root = 4096
        self.size_appli = 4096
        self.size_child = 2048
        self.passroot = 'BadPasswordRoot'
        self.passappli = 'BadPasswordApplication'
        self.country_name = 'FR'
        self.state_or_province_name = 'France'
        self.locality_name = 'Paris'
        self.organization_name = 'khanat'
        self.common_name = 'khanat'
        self.path = os.path.dirname(os.path.abspath(__file__))
        self.program = os.path.join(self.path, 'simulate_program.py')
        self.badprogram = os.path.join(self.path, 'test.cfg')

    def test_load_config(self):
        config = configparser.ConfigParser()
        config.add_section('config:server')
        config.set('config:server', 'port', '8000')
        config.set('config:server', 'keyfile', '/home/gameserver/ca/appli/private/serverkey.pem')
        config.set('config:server', 'certfile', '/home/gameserver/ca/appli/certs/servercert.pem')
        config.set('config:server', 'ca_cert', '/home/gameserver/ca/appli/certs/cachaincert.pem')
        config.set('config:server', 'address', '')
        config.set('config:server', 'authentification', 'yes')
        config.add_section('config:client')
        config.set('config:client', 'port', '8000')
        config.set('config:client', 'keyfile', '/home/gameserver/ca/appli/private/clientkey.pem')
        config.set('config:client', 'certfile', '/home/gameserver/ca/appli/certs/clientcert.pem')
        config.set('config:client', 'ca_cert', '/home/gameserver/ca/appli/certs/cachaincert.pem')
        config.set('config:client', 'address', '127.0.0.1')
        config.add_section('command:test')
        config.set('command:test', 'path', '/home/gameserver')
        config.set('command:test', 'command', '/bin/sleep 10')
        config.set('command:test', 'logsize', '10')
        config.set('command:test', 'bufsize', '10')
        config.add_section('config:user')
        config.set('config:user', 'usename', 'filter_all, filter_admin')
        try:
            manager = Manager.Manager(False)
            manager._load_config(config)
            self.assertTrue(True)
        except:
            self.fail('Error detected on load config')

    def test_load_config2(self):
        config = configparser.ConfigParser()
        config.add_section('config:server')
        config.set('config:server', 'authentification', 'no')
        config.add_section('command:test')
        config.set('command:test', 'path', '/home/gameserver')
        config.set('command:test', 'command', '/bin/sleep 10')
        try:
            manager = Manager.Manager(False)
            manager._load_config(config)
            self.assertTrue(True)
        except:
            self.fail('Error detected on load config')

    def test_load_config_bad_param_logsize(self):
        config = configparser.ConfigParser()
        config.add_section('command:test')
        config.set('command:test', 'command', '/bin/sleep 10')
        config.set('command:test', 'logsize', 'bidon')
        with self.assertRaises(ValueError):
            manager = Manager.Manager(False)
            manager._load_config(config)
            self.assertTrue(True)

    def test_load_config_bad_param_bufsize(self):
        config = configparser.ConfigParser()
        config.add_section('command:test')
        config.set('command:test', 'command', '/bin/sleep 10')
        config.set('command:test', 'bufsize', 'bidon')
        with self.assertRaises(ValueError):
            manager = Manager.Manager(False)
            manager._load_config(config)
            self.assertTrue(True)

    def test_load_config_empty(self):
        config = configparser.ConfigParser()
        config.add_section('config:server')
        config.add_section('config:client')
        config.set('config:client', 'port', '8000')
        config.set('config:client', 'keyfile', '/home/gameserver/ca/appli/private/clientkey.pem')
        config.set('config:client', 'certfile', '/home/gameserver/ca/appli/certs/clientcert.pem')
        config.set('config:client', 'ca_cert', '/home/gameserver/ca/appli/certs/cachaincert.pem')
        config.set('config:client', 'address', '127.0.0.1')
        config.add_section('config:user')
        config.add_section('command:test')
        config.set('command:test', 'command', '/bin/sleep 10')
        try:
            manager = Manager.Manager(False)
            manager._load_config(config)
            self.assertTrue(True)
        except:
            self.fail('Error detected on load config')

    def test_load_config_file(self):
        cfgfile = tempfile.NamedTemporaryFile(suffix="config.cfg", mode='w+t')
        cfgfile.write('#\n[config:server]\nauthentification = No\n')
        cfgfile.flush()
        try:
            manager = Manager.Manager(False)
            manager.load_config(cfgfile)
            self.assertTrue(True)
        except:
            self.fail('Error detected on load configuration')

    def test_load_config_file_none(self):
        with self.assertRaises(ValueError):
            manager = Manager.Manager(False)
            manager.load_config(None)

    def test_load_password_file(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="password.cfg", mode='w+t')

        config = configparser.ConfigParser()
        config.add_section('config:server')
        config.set('config:server', 'authentification', 'yes')
        config.set('config:server', 'passwordfile', pwdfile.name)
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\nusername2:badhash\n')
        pwdfile.flush()
        try:
            manager = Manager.Manager(False)
            manager._load_config(config)
            manager.load_password()
            self.assertTrue(True)
        except:
            self.fail('Error detected on load password')

    def test_constructor_manager_command(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_constructor_manager_command',
                                                  self.program,
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event)
            manageCommand.list_thread()
            self.assertTrue(True)
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_manager_command(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_manager_command',
                                                  self.program,
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event)
            manageCommand.status()
            manageCommand.start()
            manageCommand.status()
            manageCommand.start()
            foundEnd = re.compile('.*(Started).*')
            foundY = re.compile('.*(sendToStdinY).*')
            loop = 10
            while loop > 0:
                time.sleep(1)
                out = manageCommand.getlog(0)
                if foundEnd.match(out):
                    break
                loop -= 1
            if not foundEnd.match(out):
                manageCommand.stop()
                self.assertTrue(False, 'Missing message in log')
            manageCommand.list_thread()
            retA = manageCommand.action("sendToStdinA")
            self.assertEqual(retA, "ok", 'Error impossible to send to stdin')
            for i in range(0,  120):
                retX = manageCommand.action("sendToStdin%d" % i)
                self.assertEqual(retX, "ok", 'Error impossible to send to stdin')
            retY = manageCommand.action("sendToStdinY")
            self.assertEqual(retY, "ok", 'Error impossible to send to stdin')
            loop = 10
            while loop > 0:
                time.sleep(1)
                out = manageCommand.getlog(0)
                if foundY.match(out):
                    break
                loop -= 1
            if not foundY.match(out):
                manageCommand.stop()
                self.assertTrue(False, 'Missing message in log')

            manageCommand.stop()
            manageCommand.status()
            retZ = manageCommand.action("sendToStdinZ")
            manageCommand.stop()
            self.assertEqual(retZ, "ko", 'Error send to stdin when process is down')
            self.assertTrue(True)
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_crash_manager_command(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_crash_manager_command',
                                                  self.program + ' --no-loop --timeout 1',
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event)
            manageCommand.start()
            time.sleep(3)
            manageCommand.status()
            manageCommand.list_thread()
            manageCommand.stop()
            manageCommand.status()
            self.assertTrue(True)
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_not_kill_manager_command(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_not_kill_manager_command',
                                                  self.program + " --disable-kill",
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event,
                                                  maxWaitEnd = 2)
            manageCommand.start()
            time.sleep(1)
            manageCommand.status()
            manageCommand.list_thread()
            manageCommand.stop()
            manageCommand.status()
            self.assertTrue(True)
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_command_crashed(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_command_crashed',
                                                  self.program + " --no-loop --timeout=1",
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event,
                                                  waitDelay = 10)
            manageCommand.start()
            time.sleep(5)
            manageCommand.start()
            time.sleep(5)
            manageCommand.stop()
            self.assertTrue(True)
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_command_file_not_found(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_command_file_not_found',
                                                  self.program + "_not_exist",
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event)
            ret = manageCommand.start()
            manageCommand.stop()
            self.assertEqual(ret, "crashed", 'Error object not generate error when program not exist')
        except:
            self.fail('Error initialize object ManageCommand')

    def test_execute_command_permission(self):
        try:
            logsize = 10
            bufsize = 10
            queueIn = multiprocessing.Queue()
            queueOut = multiprocessing.Queue()
            event = multiprocessing.Event()
            manageCommand = Manager.ManageCommand('test_execute_command_permission',
                                                  self.badprogram,
                                                  self.path,
                                                  logsize,
                                                  bufsize,
                                                  queueIn,
                                                  queueOut,
                                                  event)
            ret = manageCommand.start()
            manageCommand.stop()
            self.assertEqual(ret, "crashed", 'Error object not generate error when bad permission')
        except:
            self.fail('Error initialize object ManageCommand')

    def _runCommand(self, name, command, path, logsize, bufsize, queueIn, queueOut, event):
        """
            Thread to manage khaganat program
        """
        manageCommand = Manager.ManageCommand(name=name,
                                      command=command,
                                      path=path,
                                      logsize=logsize,
                                      bufsize=bufsize,
                                      queueIn=queueIn,
                                      queueOut=queueOut,
                                      event=event)
        manageCommand.run()

    def test_root_bad_loglevel(self):
        with self.assertRaises(ValueError):
            Manager.root(None,
                      None,
                      'NOTEXIST',
                      False,
                      False)

    def test_root_bad_configfile(self):
        logfile = tempfile.NamedTemporaryFile(suffix="password.cfg", mode='w+t')
        with self.assertRaises(ValueError):
            Manager.root(None,
                      logfile,
                      'DEBUG',
                      True,
                      True)

    def test_main(self):
        config = tempfile.NamedTemporaryFile(suffix="password.cfg", mode='w+t')
        config.write('[config:server]\nauthentification=no\n')
        config.flush()
        Manager.main(['--conf=' + config.name])

#    def test_run_manager_command(self):
#        # Doesn't work (we need enable --concurrency=multiprocessing on coverage command but we need coverage 4.0)
#        logsize = 10
#        bufsize = 10
#        queueIn = multiprocessing.Queue()
#        queueOut = multiprocessing.Queue()
#        event = multiprocessing.Event()
#        threadCommand = multiprocessing.Process(target=self._runCommand,
#                                    args=('test_run_manager_command',
#                                              self.program,
#                                              self.path,
#                                              logsize,
#                                              bufsize,
#                                              queueIn,
#                                              queueOut,
#                                              event))
#        threadCommand.start()
#        event.set()
#        queueIn.put("START")
#        item = queueOut.get(timeout=4)
#        self.assertEqual(item, "started", 'Error impossible to start program')
#        time.sleep(1)
#        event.set()
#        queueIn.put("STATUS")
#        item = queueOut.get(timeout=4)
#        self.assertEqual(item, "started", 'Error impossible to start program')
#        time.sleep(1)
#        print("-" * 80,  "shutdown" )
#        event.set()
#        queueIn.put("SHUTDOWN")
#        with self.assertRaises(queue.Empty):
#            item = queueOut.get(timeout=4)
#        print("-" * 80,  "wait thread" )
#        threadCommand.join()
#        self.assertTrue(True)
#
#    def test_run_manager_command_2(self):
#        manage = Manager.Manager(True)
#        logsize = 10
#        bufsize = 10
#        queueIn = multiprocessing.Queue()
#        queueOut = multiprocessing.Queue()
#        event = multiprocessing.Event()
#        manage.runCommand('test_run_manager_command',
#                           self.program,
#                           self.path,
#                           logsize,
#                           bufsize,
#                           queueIn,
#                           queueOut,
#                           event)
#        event.set()
#        queueIn.put("START")
#        item = queueOut.get(timeout=4)
#        self.assertEqual(item, "started", 'Error impossible to start program')
#        time.sleep(1)
#        event.set()
#        queueIn.put("STATUS")
#        item = queueOut.get(timeout=4)
#        self.assertEqual(item, "started", 'Error impossible to start program')
#        time.sleep(1)
#        print("-" * 80,  "shutdown" )
#        event.set()
#        queueIn.put("SHUTDOWN")
#        with self.assertRaises(queue.Empty):
#            item = queueOut.get(timeout=4)
#        print("-" * 80,  "wait thread" )
#        #threadCommand.join()
#        manage.receive_signal(15, 1)
#        manage.wait_children_commands()
#        self.assertTrue(True)

if __name__ == '__main__':
    unittest.main()