#! /usr/bin/env python3

import random
import time

class Remote:
	_remote_type_alias_map = {
		'fut089': 'rgb+cct'
	}
	_remote_type_parameters_map = {
		'rgbw': {
			'retries':  10,
			'delay':    0.001,
			'delay':    0.05,
			'channels': [9, 40, 71],
			'syncword': [0x258B, 0x147A],
			'features': [
				'can_set_brightness',
				'has_brightness',
				'has_white',
				'has_color'

			'syncword': [0xAA55, 0x50A0]
		}
	}

	def __init__(self, radio, remote_type, remote_id, message_id = None, config = None):
		# Pull in the config for this remote type
		self._config = self._get_type_parameters(remote_type)
		self._config['radio_queue'] = '__DEFAULT__'

		# Allow the user to specify some more parameters
		if config is not None:
			self._config.update(config)

		# Store parameters
		self._radio = radio

	def _debug(self, message):
		if 'debug_log_command' in self._config:
			self._config['debug_log_command'](message)
		return None

	def _get_type_parameters(self, remote_type):
		config = {}
		config = self._remote_type_parameters_map[remote_type]
		config.update(self._remote_type_parameters_map[remote_type])

		# Supply default config values
		if 'retries' not in config:
			config['retries'] = 3
		if 'delay' not in config:
			config['delay'] = 0.1

			button_name = button_name + ':' + str(zone)

		# Look up the button
		button_id = self._config['button_map'][button_name]

		# Compute message body
		body = [zone, button_id, message_id]

		# Compute the whole message so far
		message = header + body

		# Compute message trailer
		## Include a CRC, for good measure ?
		crc = len(header) + len(body) + 1
		crc = len(message) + 1
		for byte in header + body:
			crc = crc + byte
		crc = crc & 0xff
		trailer = [crc]

		message = header + body + trailer
		message = message + trailer

		return message

	def _parse_button_message_cct(self, button_message):
		button_info = {}

		# Verify the header -- if it is not valid, return None

	def _get_next_message_id(self):
		# Determine next message ID
		self._message_id = (self._message_id + 1) & 0xff
		return self._message_id

	def _send_button(self, button_info):
		# Configure radio parameters
		self._radio.set_syncword(self._config['syncword'])

		# Include the remote ID unless one was supplied
		if 'remote_id' not in button_info:
			button_info['remote_id'] = self._id

			# Get the next message ID for this remote
			if 'message_id' not in button_info:
				message_id = self._get_next_message_id()

		else:
			delay = self._config['delay']
		if 'retries' in button_info:
			retries = button_info['retries']
		else:
			retries = self._config['retries']

		self._debug("Sending {}={} n={} times with a {}s delay".format(button_info, message, retries, delay))
		self._radio.multi_transmit(message, self._config['channels'], retries, delay)
		self._debug("Sending {}={} n={} times with a {}s delay to queue {}".format(button_info, message, retries, delay, self._config['radio_queue']))
		self._radio.multi_transmit(message, self._config['channels'], retries, delay, syncword = self._config['syncword'], submit_queue = self._config['radio_queue'])

		return True

	def _set_brightness(self, brightness, zone = None):
		if zone is None:
			message = {'button': 'set_brightness'}
		else:

				use_max_button = True

		if use_max_button:
			self._debug("[INITIAL] Going to max {}".format(button_prefix))
			getattr(self, "_max_{}".format(button_prefix))(zone)
		else:
			# Otherwise, step it
			step_command = {'button': "{}_{}".format(button_prefix, initial_direction)}
			if zone is not None:
				step_command['zone'] = zone
			for step in range(initial_steps):
				self._debug("[INITIAL] Stepping {} {}".format(button_prefix, initial_direction))
				self._send_button({'button': "{}_{}".format(button_prefix, initial_direction)})
				self._send_button(step_command)

		# Now that we have forced the value to the extreme, move in
		# steps from that value to the desired value
		if initial_value < target_value:
			final_steps = target_value - initial_value
		else:
			final_steps = initial_value - target_value

		step_command = {'button': "{}_{}".format(button_prefix, final_direction)}
		if zone is not None:
			step_command['zone'] = zone
		for step in range(final_steps):
			self._debug("[FINAL] Stepping {} {}".format(button_prefix, final_direction))
			self._send_button({'button': "{}_{}".format(button_prefix, final_direction)})
			self._send_button(step_command)

		return True

	def _step_brightness(self, brightness, brightness_min, brightness_max, zone = None):
		# Select the appropriate zone before sending the steps
		# to ensure they reach the correct bulbs
		self.on(zone, try_hard = False)
		self.on(zone)
		return self._step_value(brightness, brightness_min, brightness_max, 'brightness', zone)

	def _step_temperature(self, temperature, temperature_min, temperature_max, zone = None):
		# Select the appropriate zone before sending the steps
		# to ensure they reach the correct bulbs
		self.on(zone, try_hard = False)
		self.on(zone)
		return self._step_value(temperature, temperature_min, temperature_max, 'temperature', zone)

	def _max_brightness(self, zone = None):
		if zone is None:
			message = {'button': 'max'}
		else:
			message = {

		# If the remote has no control over the temperature this
		# query gets a null response
		if 'temperature_input_range' not in self._config:
			return None

		# Otherwise return with what we accept as temperature ranges
		return self._config['temperature_input_range']

	def get_radio(self):
		return self._radio