from flask import Flask, abort, jsonify, make_response, request, send_from_directory


class Led:
    __IFACE_PIN = 18
    def __init__(self, power, brightness, color_angle):
        self.power = power
        self.brightness = brightness
        self.color_angle = color_angle
        self.iface_pin = self.__IFACE_PIN

    def change_state(self, power, brightness, color_angle):
        pass

    def angle_2_rgb(self, angle):
        pass


class LightNode:
    def __init__(self):
        self.led = Led(False, 0, 0)
        self.server = Flask('light_node')

    def init_server(self):
        @self.server.errorhandler(404)
        def not_found(self, error):
            return make_response(jsonify({'error': 'Not found'}), 404)

        @self.server.errorhandler(400)
        def bad_request(self, error):
            # Happens when unexpected request sent to observer
            return make_response(jsonify({'error': 'Bad request'}), 400)

        @self.server.errorhandler(501)
        def server_crash(sef, error):
            # This only happens when a sensor fails to initialise
            return make_response(jsonify({'error': 'Server crashed, check logs'}), 501)

        @self.server.route('/setState', methhods=['POST'])
        def change_led_state(self):
            try:
                new_state = request.json
                self.led.power = bool(new_state['power'])
                self.led.brightness = int(new_state['brightness'])
                self.led.color = int(new_state['color'])
                return jsonify({"success":True})
            except:
                self.bad_request()
            pass