#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from typing import Union

import wx
import wx.lib.scrolledpanel as scrolled

from tinge import Tinge, HueBridge, HueGroup, HueLight


class Hui(wx.Frame):
    """This is the Hue GUI class

    Args:
        wx (Frame): Parent class
    """

    def __init__(self, *args, **kw):
        """Constructor
        """
        super().__init__(*args, **kw)
        self.m_on_icon: str = '☼'
        self.m_off_icon: str = '☾'
        self.m_tinge: Tinge = Tinge()
        self.m_bridges: list[HueBridge] = self.m_tinge.get_bridges()
        self.cur_bridge: Union[None, HueBridge] = None
        self.cur_group: Union[None, HueGroup] = None
        # create a panel in the frame
        self.pnl: scrolled.ScrolledPanel = scrolled.ScrolledPanel(self, -1, style=wx.VSCROLL)
        self.pnl.SetupScrolling()
        # and create a sizer to manage the layout of child widgets
        self.sizer: wx.BoxSizer = wx.BoxSizer(wx.VERTICAL)
        self.pnl.SetSizer(self.sizer)
        self.add_bridges()

    def redraw(*args):
        """Decorator used for redrawing the widgets in the sizer

        Returns:
            function: The decorated function
        """
        func = args[0]

        def wrapper(self, *wrapper_args):
            """The wrapper function for the decorator
            """
            self.sizer.Clear(delete_windows=True)
            func(self, *wrapper_args)
            self.sizer.Layout()

        return wrapper

    @redraw
    def add_bridges(self):
        """Add bridges to sizer, the entry point of the program
        """
        self.SetTitle('Tinge - All Bridges')
        if self.m_bridges:
            for bridge in self.m_bridges:
                btn: wx.Button = wx.Button(self.pnl, label=str(bridge))
                self.sizer.Add(btn, 0, wx.EXPAND)
                self.Bind(wx.EVT_BUTTON,
                          lambda event, mbridge=bridge: self.goto_bridge(mbridge), btn)
        else:
            btn: wx.Button = wx.Button(self.pnl, label="Press Hue Bridge button, and then press here")
            self.sizer.Add(btn, 0, wx.EXPAND)
            self.Bind(wx.EVT_BUTTON,
                      lambda event: self.discover_new_bridges(), btn)

    @redraw
    def add_groups(self, groups: list[HueGroup]):
        """This will add the groups to the sizer, when coming down from a bridge, or up from a light

        Args:
            groups (list[HueGroup]): The groups to display
        """
        self.SetTitle("Tinge - {}".format(self.cur_bridge.m_name))
        bridge_btn: wx.Button = wx.Button(self.pnl, label="All Bridges")
        self.sizer.Add(bridge_btn, 0, wx.EXPAND)
        self.Bind(wx.EVT_BUTTON,
                  lambda event: self.add_bridges(), bridge_btn)
        for group in groups:
            inner_sizer: wx.BoxSizer = wx.BoxSizer(orient=wx.HORIZONTAL)
            groupid: int = group.get_id()
            icon: str = self.m_off_icon
            if group.is_any_on():
                icon = self.m_on_icon
            toggle_btn: wx.Button = wx.Button(self.pnl, label=icon)
            inner_sizer.Add(toggle_btn, 1, wx.EXPAND)
            self.Bind(wx.EVT_BUTTON,
                      lambda event, mgroupid=groupid: self.toggle_group(mgroupid), toggle_btn)
            label: str = str(group)
            group_btn: wx.Button = wx.Button(self.pnl, label=label, style=wx.BU_LEFT)
            inner_sizer.Add(group_btn, 4, wx.EXPAND)
            self.Bind(wx.EVT_BUTTON,
                      lambda event, mgroupid=groupid: self.goto_group(mgroupid), group_btn)
            self.sizer.Add(inner_sizer, 0, wx.EXPAND)

    @redraw
    def add_lights(self, lights: list[HueLight]):
        """This will add the lights from a group to the sizer

        Args:
            lights (list[HueLight]): The lights to display
        """
        self.SetTitle("Tinge - {}".format(self.cur_group))
        group_btn: wx.Button = wx.Button(self.pnl, label=str(self.cur_bridge))
        self.sizer.Add(group_btn, 0, wx.EXPAND)
        self.Bind(wx.EVT_BUTTON,
                  lambda event: self.add_groups(self.cur_bridge.get_groups()), group_btn)
        for light in lights:
            inner_sizer = wx.BoxSizer(orient=wx.HORIZONTAL)
            lightid: int = light.get_id()
            icon: str = self.m_off_icon
            if light.is_on():
                icon = self.m_on_icon
            toggle_btn: wx.Button = wx.Button(self.pnl, label=icon)
            inner_sizer.Add(toggle_btn, 1, wx.EXPAND)
            self.Bind(wx.EVT_BUTTON,
                      lambda event, mlightid=lightid: self.toggle_light_and_goto_group(mlightid, lights),
                      toggle_btn)
            label: str = "{}".format(light)
            light_btn: wx.Button = wx.Button(self.pnl, label=label, style=wx.BU_LEFT)
            inner_sizer.Add(light_btn, 4, wx.EXPAND)
            self.Bind(wx.EVT_BUTTON,
                      lambda event, mlightid=lightid: self.goto_light(mlightid), light_btn)
            self.sizer.Add(inner_sizer, 0, wx.EXPAND)

    def goto_bridge(self, bridge: HueBridge):
        """Call back for a bridge button

        Args:
            bridge (HueBridge): The bridge to display
        """
        self.cur_bridge = bridge
        groups: list[HueGroup] = bridge.get_groups()
        if groups:
            self.add_groups(groups)
        else:
            self.add_lights(bridge.get_lights())

    def discover_new_bridges(self):
        """Call back for button that is displayed if no bridges were found
        """
        self.m_tinge.discover_new_bridges()
        self.add_bridges()

    def toggle_group(self, groupid: int):
        """Toggle the lights of a group

        Args:
            groupid (int): The group id of the group to toggle
        """
        self.cur_bridge.get_group_by_id(groupid).toggle()
        self.add_groups(self.cur_bridge.get_groups())

    def goto_group(self, groupid: int):
        """Call back for group button

        Args:
            groupid (int): The group id of the group to display
        """
        group = self.cur_bridge.get_group_by_id(groupid)
        self.cur_group = group
        self.add_lights(group.get_lights())

    def toggle_light_and_goto_group(self, lightid: int, lights: list[HueLight]):
        """Combo call back for toggle and goto group

        Args:
            lightid (int): The light id oof the light to toggle
            lights (list[HueLight]): The lights to display after toggle
        """
        self.cur_bridge.get_light_by_id(lightid).toggle()
        self.add_lights(lights)

    @redraw
    def goto_light(self, lightid: int):
        """Call back for light button

        Args:
            lightid (int): The light id of the light to display
        """
        light: HueLight = self.cur_bridge.get_light_by_id(lightid)
        self.SetTitle("Tinge - {}".format(light))
        is_on: bool = light.is_on()
        group: HueGroup = self.cur_group
        group_btn: wx.Button = wx.Button(self.pnl, label=str(group))
        self.sizer.Add(group_btn, 0, wx.EXPAND)
        self.Bind(wx.EVT_BUTTON,
                  lambda event: self.goto_group(self.cur_group.get_id()), group_btn)
        # Toggle
        icon: str = self.m_off_icon
        if is_on:
            icon = self.m_on_icon
        toggle_btn: wx.Button = wx.Button(self.pnl, label=icon)
        self.sizer.Add(toggle_btn, 0, wx.EXPAND)
        self.Bind(wx.EVT_BUTTON,
                  lambda event, mlightid=lightid: self.toggle_light_and_goto_light(mlightid),
                  toggle_btn)

        # Slider for brightness
        if is_on:
            if light.get_brightness() > 0:
                b_label: wx.StaticText = wx.StaticText(self.pnl, label="Brightness")
                self.sizer.Add(b_label, 0, wx.EXPAND)
                b_slider: wx.Slider = wx.Slider(self.pnl, value=light.get_state().get_brightness(), minValue=1,
                                                maxValue=254)
                self.sizer.Add(b_slider, 0, wx.EXPAND)
                self.Bind(wx.EVT_SCROLL,
                          lambda event: self.set_brightness(event, light.get_id()), b_slider)
            # Slider for colortemp
            if light.can_set_ct():
                c_label: wx.StaticText = wx.StaticText(self.pnl, label="Color Temperature")
                self.sizer.Add(c_label, 0, wx.EXPAND)
                c_slider: wx.Slider = wx.Slider(self.pnl, value=light.get_ct(), minValue=153, maxValue=500)
                self.sizer.Add(c_slider, 0, wx.EXPAND)
                self.Bind(wx.EVT_SCROLL,
                          lambda event: self.set_colortemp(event, light.get_id()), c_slider)

            # Slider for hue
            if light.can_set_hue():
                d_label: wx.StaticText = wx.StaticText(self.pnl, label="Hue")
                self.sizer.Add(d_label, 0, wx.EXPAND)
                d_slider: wx.Slider = wx.Slider(self.pnl, value=light.get_hue(), minValue=0, maxValue=65535)
                self.sizer.Add(d_slider, 0, wx.EXPAND)
                self.Bind(wx.EVT_SCROLL,
                          lambda event: self.set_hue(event, light.get_id()), d_slider)

            # Slider for saturation
            if light.can_set_sat():
                e_label: wx.StaticText = wx.StaticText(self.pnl, label="Saturation")
                self.sizer.Add(e_label, 0, wx.EXPAND)
                e_slider: wx.Slider = wx.Slider(self.pnl, value=light.get_sat(), minValue=0, maxValue=254)
                self.sizer.Add(e_slider, 0, wx.EXPAND)
                self.Bind(wx.EVT_SCROLL,
                          lambda event: self.set_saturation(event, light.get_id()), e_slider)

    def set_brightness(self, event: wx.ScrollEvent, lightid: int):
        """Call back for brightness slider

        Args:
            event (wx.ScrollEvent): The scroll event to react to
            lightid (int): The light id of the light to adjust brightness of
        """
        bri: int = event.GetPosition()
        light: HueLight = self.cur_bridge.get_light_by_id(lightid)
        light.set_brightness(bri)

    def toggle_light_and_goto_light(self, lightid):
        """Combo call back to toggle a light and display that light again

        Args:
            lightid ([type]): The light id of the light to toggle/display
        """
        self.cur_bridge.get_light_by_id(lightid).toggle()
        self.goto_light(lightid)

    def set_colortemp(self, event, lightid):
        """Call back for colortemp slider

        Args:
            event (wx.ScrollEvent): The scroll event to react to
            lightid (int): The light id of the light to adjust colortemp of
        """
        ct: int = event.GetPosition()
        light: HueLight = self.cur_bridge.get_light_by_id(lightid)
        light.set_ct(ct)

    def set_hue(self, event, lightid):
        """Call back for colortemp slider

        Args:
            event (wx.ScrollEvent): The scroll event to react to
            lightid (int): The light id of the light to adjust hue of
        """
        hue: int = event.GetPosition()
        light: HueLight = self.cur_bridge.get_light_by_id(lightid)
        light.set_hue(hue)

    def set_saturation(self, event, lightid):
        """Call back for colortemp slider

        Args:
            event (wx.ScrollEvent): The scroll event to react to
            lightid (int): The light id of the light to adjust hue of
        """
        sat: int = event.GetPosition()
        light: HueLight = self.cur_bridge.get_light_by_id(lightid)
        light.set_hue(sat)


if __name__ == "__main__":
    app = wx.App()
    frm = Hui(None, title="Tinge")
    frm.Show()
    app.MainLoop()