#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import requests

from ..HueLight import HueLight
from ..HueUtils import make_request


class HueGroup:
    """A class for groups
    """

    class Action:
        """The light state of one of the lamps in the group.
        """

        def __init__(self, data_slice: dict):
            """Constructor

            Args:
                data_slice (dict): The part of the data structure that concerns this Action
            """
            keys = data_slice.keys()
            self.m_on: bool = data_slice['on']
            self.m_bri: int = data_slice['bri']
            self.m_alert: str = data_slice['alert']
            if 'hue' in keys:
                self.m_hue: int = data_slice['hue']
            else:
                self.m_hue = 0
            if 'sat' in keys:
                self.m_sat: int = data_slice['sat']
            else:
                self.m_sat = 0
            if 'effect' in keys:
                self.m_effect: str = data_slice['effect']
            else:
                self.m_effect = str()
            if 'xy' in keys:
                self.m_xy: list[float] = data_slice['xy']
            else:
                self.m_xy = list()
            if 'ct' in keys:
                self.m_ct: int = data_slice['ct']
            else:
                self.m_ct = 0
            if 'colormode' in keys:
                self.m_colormode: str = data_slice['colormode']
            else:
                self.m_colormode = str()

    class State:
        """A hueGroup.State represents the collective state of the group
         
        """

        def __init__(self, data_slice: dict):
            """Constructor

            Args:
                data_slice (dict): The part of the data structure that concerns this State
            """
            self.m_all_on: bool = data_slice['all_on']
            self.m_any_on: bool = data_slice['any_on']

    def __init__(self, group_id: int, lights: list[HueLight], data: dict, parent_bridge_ip: str,
                 parent_bridge_user: str):
        """Constructor

        Args:
            group_id (int): The group id for this group
            lights (list[HueLight]): The lights that is in this group
            data (dict): The Hue API description of the group
            parent_bridge_ip (str): ip address of the parent bridge
            parent_bridge_user (str): username of the parent bridge
        """
        self.m_id: int = group_id
        self.m_parent_bridge_ip = parent_bridge_ip
        self.m_parent_bridge_user = parent_bridge_user
        self.m_name: str = data['name']
        self.m_lights = lights
        self.m_sensors: list[str] = data['sensors']
        self.m_type: str = data['type']
        # Don't believe the api, it can claim that a light is on even if it is unreachable
        state: dict = {'all_on': self.is_any_on(), 'any_on': self.is_any_on()}
        self.m_state: HueGroup.State = HueGroup.State(state)
        self.m_recycle: bool = data['recycle']
        if 'class' in data.keys():
            self.m_class: str = data['class']
        else:
            self.m_class: str = str()
        self.m_action: HueGroup.Action(data['action'])

    def __str__(self) -> str:
        """String representation of the group

        Returns:
            str: The group name
        """
        return self.m_name

    def get_id(self) -> int:
        """Get the group id

        Returns:
            int: The group id
        """
        return self.m_id

    def get_lights(self) -> list[HueLight]:
        """Get the lights that belong to this group

        Returns:
            list[HueLight]: The lights
        """
        return self.m_lights

    def is_all_on(self) -> bool:
        """We really check to make sure 

        Returns:
            bool: True if all lights are on and reachable, otherwise False
        """
        # Dont believe the API, both on and reachable to be on
        on = True
        for light in self.m_lights:
            if not light.is_on():
                on = False
        return on

    def is_any_on(self) -> bool:
        """Check if any of the lights are on and reachable

        Returns:
            bool: True if any light in the group is on and reachable, otherwise False
        """
        # Dont believe the API, both on and reachable to be on
        on = False
        for light in self.m_lights:
            if light.is_on():
                on = True
        return on

    def remove_light(self, light: HueLight):
        """Remove a light
        """
        if light in self.m_lights:
            self.m_lights.remove(light)

    def toggle(self):
        """Toggle all lights of the group
        """
        for light in self.m_lights:
            light.toggle()
        self.update_state()

    def turn_off(self):
        """turn off all lights in the group
        """
        state: str = '{"on": false}'
        self.set_state(state)

    def turn_on(self):
        """Turn on all lights in the group
        """
        state: str = '{"on": true}'
        self.set_state(state)

    def set_state(self, state: str) -> requests.Response:
        """Helper method to set the state of the group

        Args:
            state (str): The state of the group
                        Possible attributes are:
                        * on: True/False
                        * bri: 0-254
                        * hue: 0-65535
                        * sat: 0-254
                        * xy: [0.0-1.0,0.0-1.0]
                        * ct: 153-500
                        * alert: "none"/"select"/"lselect"
                        * effect: "none"/"colorloop"
                        * transitiontime: 0-65535 (multiple of 100ms, default is 4)
                        * bri_inc: -254-254
                        * sat_inc: -254-254
                        * hue_inc: -65534-65534
                        * ct_inc: -65534-65534
                        * xy_inc: -0.5-0.5
                        * scene: "Scene identifier"

        Returns:
            requests.Response: The API response
        """
        path: str = "{}/groups/{}/action".format(self.m_parent_bridge_user, self.m_id)
        method: str = "PUT"
        response = make_request(self.m_parent_bridge_ip, path, method, state)
        self.update_state()
        return response

    def update_state(self):
        """Update the state after a possible change
        """
        state: dict = {'all_on': self.is_any_on(), 'any_on': self.is_any_on()}
        self.m_state = HueGroup.State(state)