import distro
import getpass
import inspect
import jinja2
import json
import os
import platform
import report
from tests import test_collection
from tests.heating import testcase_heating
from tests.light import testcase_light
from tests.synchronisation import testcase_synchronisation
from unittest import jsonlog

try:
    from config import APP_NAME as ROOT_LOGGER_NAME
except ImportError:
    ROOT_LOGGER_NAME = 'root'


class test_smarthome(object):
    def __init__(self, rooms, mqtt_client):
        self.mqtt_client = mqtt_client
        self.__init__tcl__()
        self.mqtt_client.add_callback('__info__', self.__test_system_info__)
        self.mqtt_client.send('__info__', json.dumps(None))
        # add testcases for switching devices
        for name in rooms.getmembers():
            obj = rooms.getobjbyname(name)
            if obj.__class__.__name__ == "videv_light":
                common_name = '.'.join(name.split('.')[:-1]) + '.' + name.split('.')[-1][6:]
                try:
                    li_device = rooms.getobjbyname(common_name + '_zigbee') if obj.enable_brightness or obj.enable_color_temp else None
                except AttributeError:
                    li_device = rooms.getobjbyname(common_name + '_zigbee_1') if obj.enable_brightness or obj.enable_color_temp else None
                try:
                    sw_device = rooms.getobjbyname(common_name) if obj.enable_state else None
                except AttributeError:
                    # must be a device without switching device
                    sw_device = li_device
                setattr(self, common_name.replace('.', '_'), testcase_light(self.tcl, obj, sw_device, li_device))
        # add testcases for heating devices
        for name in rooms.getmembers():
            obj = rooms.getobjbyname(name)
            if obj.__class__.__name__ == "videv_heating":
                common_name = '.'.join(name.split('.')[:-1]) + '.' + name.split('.')[-1][6:]
                heat_device = rooms.getobjbyname(common_name + '_valve')
                setattr(self, common_name.replace('.', '_'), testcase_heating(self.tcl, obj, heat_device))
        # synchronisation
        # gfw.dirk.amplifier with cd_player
        self.gfw_dirk_cd_player_amplifier_sync = testcase_synchronisation(
            self.tcl,
            rooms.gfw.dirk.cd_player, None, None,
            rooms.gfw.dirk.amplifier)
        # gfw.floor.main_light_2 with gfw.floor.main_light_1
        self.gfw_floor_main_light_sync = testcase_synchronisation(
            self.tcl,
            rooms.gfw.floor.main_light, rooms.gfw.floor.videv_main_light, rooms.gfw.floor.videv_main_light,
            rooms.gfw.floor.main_light_zigbee_1, rooms.gfw.floor.main_light_zigbee_2
        )
        # ffe.diningroom.floorlamp with ffe.dinigroom.main_light
        self.ffe_diningroom_main_light_floor_lamp_sync = testcase_synchronisation(
            self.tcl,
            rooms.ffe.diningroom.main_light, None, None,
            rooms.ffe.diningroom.floor_lamp)
        # ffe.livingroom.floorlamp_[1-6] with ffe.livingroom.main_light
        self.ffe_livingroom_main_light_floor_lamp_sync = testcase_synchronisation(
            self.tcl,
            rooms.ffe.livingroom.main_light, rooms.ffe.livingroom.videv_floor_lamp, rooms.ffe.livingroom.videv_floor_lamp,
            *[getattr(rooms.ffe.livingroom, "floor_lamp_zigbee_%d" % i) for i in range(1, 7)]
        )
        # add test collection
        self.all = test_collection(self)

    def __init__tcl__(self):
        system_info = {}
        system_info[jsonlog.SYSI_ARCHITECTURE] = platform.architecture()[0]
        system_info[jsonlog.SYSI_MACHINE] = platform.machine()
        system_info[jsonlog.SYSI_HOSTNAME] = platform.node()
        system_info[jsonlog.SYSI_DISTRIBUTION] = distro.name() + " " + distro.version() + " (" + distro.codename() + ")"
        system_info[jsonlog.SYSI_SYSTEM] = platform.system()
        system_info[jsonlog.SYSI_KERNEL] = platform.release() + ' (%s)' % platform.version()
        system_info[jsonlog.SYSI_USERNAME] = getpass.getuser()
        system_info[jsonlog.SYSI_PATH] = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))

        self.tcl = report.testSession(['__unittest__', ROOT_LOGGER_NAME])
        self.tcl[jsonlog.MAIN_KEY_SYSTEM_INFO] = system_info
        self.tcl["testcase_names"] = report.TCEL_NAMES

    def __test_system_info__(self, client, userdata, message):
        data = json.loads(message.payload)
        if data is not None:
            self.tcl[jsonlog.MAIN_KEY_TESTOBJECT_INFO] = data

    def close(self):
        path = os.path.abspath(os.path.join(os.path.basename(__file__), '..'))

        with open(os.path.join(path, "testresults", "testrun.json"), "w") as fh:
            fh.write(json.dumps(self.tcl, indent=4))

        template_path = os.path.join(path, 'templates')
        template_filename = 'unittest.tex'
        jenv = jinja2.Environment(loader=jinja2.FileSystemLoader(template_path))
        template = jenv.get_template(template_filename)
        with open(os.path.join(path, "testresults", "testrun.tex"), "w") as fh:
            fh.write(template.render(data=self.tcl, details=False))
        with open(os.path.join(path, "testresults", "testrun_full.tex"), "w") as fh:
            fh.write(template.render(data=self.tcl, details=True))

    def getmembers(self, prefix=''):
        rv = []
        for name, obj in inspect.getmembers(self):
            if prefix:
                full_name = prefix + '.' + name
            else:
                full_name = name
            if not name.startswith('_'):
                try:
                    if obj.__class__.__bases__[0].__name__ == "testcase" or obj.__class__.__name__ == "test_collection":
                        rv.append(full_name)
                    else:
                        rv.extend(obj.getmembers(full_name))
                except AttributeError:
                    pass
        return rv

    def getobjbyname(self, name):
        if name.startswith("test."):
            name = name[5:]
        obj = self
        for subname in name.split('.'):
            obj = getattr(obj, subname)
        return obj

    def command(self, full_command):
        try:
            parameter = " " + full_command.split(' ')[1]
        except IndexError:
            parameter = ""
        command = full_command.split(' ')[0].split('.')[-1] + parameter
        device_name = '.'.join(full_command.split(' ')[0].split('.')[:-1])
        self.getobjbyname(device_name).command(command)