#!/usr/bin/env python
# -*- coding:utf-8 -*-

import unittest
from plugins import base
import uuid
import logging
from threading import Lock
import datetime
import schedule
import time

mock_lock = Lock()
fail_num = success_num = 0


class MockPlugin(base.Base):
    def __init__(self, *args, **kwargs):
        super(MockPlugin, self).__init__(*args, **kwargs)
        if kwargs.__contains__('name'):
            self.name = kwargs['name']
        else:
            self.name = 'ipc' + uuid.uuid1().hex[0:10]

        self.host = kwargs['host']
        self.port = kwargs['port']
        self.user = kwargs['username']
        self.password = kwargs['pwd']
        self.args = args
        self.kwargs = kwargs

    def name(self):
        return self.name

    def config_check(self, *args, **kwargs):
        if kwargs.__contains__('error'):
            return kwargs['error']
        return None

    @staticmethod
    def record(is_success):
        global success_num, fail_num
        mock_lock.acquire()
        if is_success:
            success_num += 1
        else:
            fail_num += 1
        mock_lock.release()

    def exec(self):
        err = self.config_check(**self.kwargs)
        if err is not None:
            logging.error('[MockPlugin] check config error: %s', err)
            self.record(False)
            return
        self.record(True)


class ScheduleTest(unittest.TestCase):
    @staticmethod
    def generate_valid_config(success_count, fail_count):
        config = {
            'id': int(datetime.datetime.now().timestamp())
        }
        data = []
        for i in range(success_count):
            item = {
                'host': 'local.pc',
                'port': 2000,
                'dev_id': uuid.uuid1(),
                'type': 'mock_plugin',
                'schema': 'onvif',
                'username': 'admin',
                'pwd': '123456',
                'expr': 10,
                'kpi': {
                    'key1': 1
                }
            }
            data.append(item)
        for i in range(fail_count):
            item = {
                'host': 'local.pc',
                'port': 2000,
                'dev_id': uuid.uuid1(),
                'type': 'mock_plugin',
                'schema': 'onvif',
                'username': 'admin',
                'pwd': '123456',
                'expr': 10,
                'kpi': {
                    'key1': 1
                },
                'error': 'data error'
            }
            data.append(item)
        config['data'] = data
        return config

    @staticmethod
    def generate_invalid_config(count):
        config = {
            'id': int(datetime.datetime.now().timestamp())
        }
        keys = ['host', 'port', 'dev_id', 'type', 'schema', 'username', 'pwd']
        data = []
        for count_index in range(count):
            item = {}
            index = count_index % len(keys)
            for i, k in enumerate(keys):
                if index == i:
                    continue
                if k == 'port':
                    item['port'] = 2000
                if k == 'type':
                    item['type'] = 'invalid_type'
                else:
                    item[k] = k
            data.append(item)
        config['data'] = data
        return config

    @staticmethod
    def generate_non_object(count):
        config = {
            'id': int(datetime.datetime.now().timestamp())
        }
        data = []
        for index in range(count):
            data.append(index)
        config['data'] = data
        return config

    @staticmethod
    def reset():
        global success_num, fail_num
        success_num = 0
        fail_num = 0

    def test_schedule_serial(self):
        # config is None
        scheduler = schedule.Schedule(None)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(0, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # config have no field data
        scheduler = schedule.Schedule({'id': int(datetime.datetime.now().timestamp())})
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(0, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # config.data is not list
        scheduler = schedule.Schedule({
            'id': int(datetime.datetime.now().timestamp()),
            'data': 10
        })
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(0, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # valid config, 10 success, 10 fail.
        config = self.generate_valid_config(10, 10)
        scheduler = schedule.Schedule(config)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(10, success_num)
        self.assertEqual(10, fail_num)
        self.reset()

        # invalid config, 0 success, 0 fail.
        config = self.generate_invalid_config(10)
        scheduler = schedule.Schedule(config)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        # As invalid config, plugin won't be execute.
        self.assertEqual(0, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # non-object config, 0 success, 0 fail.
        config = self.generate_non_object(10)
        scheduler = schedule.Schedule(config)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(0, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # invalid plugin type, 5 success, 0 fail
        config = self.generate_valid_config(10, 0)
        config_data = config['data']
        for index, item in enumerate(config_data):
            if index == 5:
                break
            config_data[index]['type'] = 'mock_type'
            del config_data[index]['expr']
            del config_data[index]['kpi']
        config['data'] = config_data
        scheduler = schedule.Schedule(config)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(5, success_num)
        self.assertEqual(0, fail_num)
        self.reset()

        # multi config, 10 success, 10 fail
        config_data = [None]
        config = self.generate_valid_config(10, 10)
        invalid_config = self.generate_invalid_config(10)
        non_object_config = self.generate_non_object(10)
        invalid_type_config = self.generate_valid_config(10, 0)
        invalid_type_data = invalid_type_config['data']
        for index, item in enumerate(invalid_type_data):
            invalid_type_data[index]['type'] = 'mock_type'

        config_data = config_data + config['data']
        config_data = config_data + invalid_config['data']
        config_data = config_data + non_object_config['data']
        config_data = config_data + invalid_type_data
        config['data'] = config_data

        # check config
        self.assertEqual(len(config_data), 51)

        scheduler = schedule.Schedule(config)
        scheduler.plugins = {
            'mock_plugin': MockPlugin
        }
        scheduler.deliver()
        time.sleep(1)
        self.assertEqual(10, success_num)
        self.assertEqual(10, fail_num)
        self.reset()

    def test_schedule_concurrent(self):
        pass


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