import {CharacteristicValue, Logger, PlatformAccessory, Service} from 'homebridge';
import {HomebridgeNeatoPlatform} from '../homebridgeNeatoPlatform';

const debug = require('debug')('my-app:my-module');
/**
 * Platform Accessory
 * An instance of this class is created for each accessory your platform registers
 * Each accessory may expose multiple services of different service types.
 */
export class NeatoVacuumRobotAccessory
{
	private cleanService: Service;
	private findMeService: Service;
	private robot: any;
	private log: Logger;
	// private goToDockService: Service;
	// private dockStateService: Service;
	// private ecoService: Service;
	// private noGoLinesService: Service;
	// private extraCareService: Service;
	// private scheduleService: Service;
	// private spotCleanService: Service;

	/**
	 * These are just used to create a working example
	 * You should implement your own code to track the state of your accessory
	 */

	constructor(
			private readonly platform: HomebridgeNeatoPlatform,
			private readonly accessory: PlatformAccessory,
			private readonly isNew: Boolean)
	{
		this.robot = accessory.context.robot;
		this.log = platform.log;

		// set accessory information
		this.accessory.getService(this.platform.Service.AccessoryInformation)!
				.setCharacteristic(this.platform.Characteristic.Manufacturer, "Neato Robotics")
				.setCharacteristic(this.platform.Characteristic.Model, this.robot.meta.modelName)
				.setCharacteristic(this.platform.Characteristic.SerialNumber, this.robot._serial)
				.setCharacteristic(this.platform.Characteristic.FirmwareRevision, this.robot.meta.firmware)
				.setCharacteristic(this.platform.Characteristic.Name, this.robot.name);

		let cleanServiceName = this.robot.name + " Clean";
		this.cleanService = this.accessory.getService(cleanServiceName) || this.accessory.addService(this.platform.Service.Switch, cleanServiceName, "CLEAN");
		let findMeServiceName = this.robot.name + " Find Me";
		this.findMeService = this.accessory.getService(findMeServiceName) || this.accessory.addService(this.platform.Service.Switch, findMeServiceName, "FIND_ME");
		
		this.cleanService.getCharacteristic(this.platform.Characteristic.On)
				.onSet(this.setClean.bind(this))
				.onGet(this.getClean.bind(this));
		this.findMeService.getCharacteristic(this.platform.Characteristic.On)
				.onSet(this.setFindMe.bind(this))
				.onGet(this.getFindMe.bind(this));

		// /**
		//  * Updating characteristics values asynchronously.
		//  *
		//  * Example showing how to update the state of a Characteristic asynchronously instead
		//  * of using the `on('get')` handlers.
		//  * Here we change update the motion sensor trigger states on and off every 10 seconds
		//  * the `updateCharacteristic` method.
		//  *
		//  */
		// let motionDetected = false;
		// setInterval(() => {
		// 	// EXAMPLE - inverse the trigger
		// 	motionDetected = !motionDetected;
		//
		// 	// push the new value to HomeKit
		// 	motionSensorOneService.updateCharacteristic(this.platform.Characteristic.MotionDetected, motionDetected);
		// 	motionSensorTwoService.updateCharacteristic(this.platform.Characteristic.MotionDetected, !motionDetected);
		//
		// 	this.platform.log.debug('Triggering motionSensorOneService:', motionDetected);
		// 	this.platform.log.debug('Triggering motionSensorTwoService:', !motionDetected);
		// }, 10000);
	}


	async setClean(on: CharacteristicValue)
	{
		// TODO debug(this.robot.name + ": " + (on ? "Enabled ".brightGreen : "Disabled".red) + " Clean " + (this.boundary ? JSON.stringify(this.boundary) : ''));
		try
		{
			await this.updateRobot();

			// Start
			if (on)
			{
				// No room given or same room
				if (this.robot.boundary == null || this.robot.cleaningBoundaryId === this.robot.boundary.id)
				{
					// Resume cleaning
					if (this.robot.canResume)
					{
						debug(this.robot.name + ": ## Resume cleaning");
						await this.robot.resumeCleaning();
						return;
					}
					// Start cleaning
					else if (this.robot.canStart)
					{
						// TODO this.clean(callback);
					}
					// Cannot start
					else
					{
						// TODO debug(this.name + ": Cannot start, maybe already cleaning (expected)");
						return;
					}
				}
				// Different room given
				else
				{
					// Return to dock
					if (this.robot.canPause || this.robot.canResume)
					{
						// debug(this.name + ": ## Returning to dock to start cleaning of new room");
						// this.setGoToDock(true, (error, result) =>
						// {
						// 	this.nextRoom = this.boundary.id;
						// 	callback();
						// });
					}
					// Start new cleaning of new room
					else
					{
						// debug(this.name + ": ## Start cleaning of new room");
						// this.clean(callback);
					}
				}
			}
			// Stop
			else
			{
				if (this.robot.canPause)
				{
					// debug(this.name + ": ## Pause cleaning");
					// this.robot.pauseCleaning((error) => {
					// 	callback(error);
					// });
				}
				else
				{
					// debug(this.name + ": Already paused");
					// callback();
				}
			}
		}
		catch (error)
		{
			this.log.warn("Cannot start cleaning: " + error);
			throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
		}
	}
	
	async getClean(): Promise<CharacteristicValue>
	{
		try
		{
			await this.updateRobot();

			let cleaning;
			if (this.robot.boundary == null)
			{
				cleaning = this.robot.canPause;
			}
			else
			{
				cleaning = this.robot.canPause && (this.robot.cleaningBoundaryId === this.robot.boundary.id)
			}

			// TODO debug(this.robot.name + ": Cleaning is " + (cleaning ? 'ON'.brightGreen : 'OFF'.red));
			return cleaning;
		}
		catch (error)
		{
			this.log.warn("Cannot get cleaning status: " + error);
			throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
		}
	}


	getFindMe()
	{
		return false;
	}

	async setFindMe(on: CharacteristicValue)
	{
		if (on)
		{
			// TODO debug(this.name + ": ## Find me");
			setTimeout(() => {
				this.findMeService.updateCharacteristic(this.platform.Characteristic.On, false);
			}, 1000);
			
			try
			{
				await this.robot.findMe();
			}
			catch (error)
			{
				this.log.warn("Cannot start find me: " + error);
				throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
			}
		}
	}

	async updateRobot()
	{
		// Data is up to date
		if (typeof (this.robot.lastUpdate) !== 'undefined' && new Date().getTime() - this.robot.lastUpdate < 2000)
		{
			return;
		}
		else
		{
			debug(this.robot.name + ": ++ Updating robot state");
			this.robot.lastUpdate = new Date().getTime();
			try
			{
				await this.robot.getState();
			}
			catch (error)
			{
				this.log.error("Cannot update robot " + this.robot.name + ". Check if robot is online. " + error);
				return false;
			}
		}
	}
	

	// /**
	//  * Handle the "GET" requests from HomeKit
	//  * These are sent when HomeKit wants to know the current state of the accessory, for example, checking if a Light bulb is on.
	//  *
	//  * GET requests should return as fast as possbile. A long delay here will result in
	//  * HomeKit being unresponsive and a bad user experience in general.
	//  *
	//  * If your device takes time to respond you should update the status of your device
	//  * asynchronously instead using the `updateCharacteristic` method instead.
	//
	//  * @example
	//  * this.service.updateCharacteristic(this.platform.Characteristic.On, true)
	//  */
	// async getOn(): Promise<CharacteristicValue>
	// {
	// 	// implement your own code to check if the device is on
	// 	const isOn = this.exampleStates.On;
	//
	// 	this.platform.log.debug('Get Characteristic On ->', isOn);
	//
	// 	// if you need to return an error to show the device as "Not Responding" in the Home app:
	// 	// throw new this.platform.api.hap.HapStatusError(this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE);
	//
	// 	return isOn;
	// }
}