//    Copyright 2018 ilcato
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

// Blynk Platform plugin for HomeBridge

'use strict'

export const pluginName = 'homebridge-blynk'
export const platformName = 'Blynk'

export class BlynkService {
	controlService: any;
	characteristics: any[];
	
	constructor(controlService, characteristics: any[]) {
		this.controlService = controlService;
		this.characteristics = characteristics;
	}
}

export class BlynkAccessory {

	name: string;
	services: BlynkService[];
	accessory: any;
	hapAccessory: any;
	hapService: any;
	hapCharacteristic: any;
	platform: any;
	
	constructor(device: any, services: BlynkService[], hapAccessory: any, hapService: any, hapCharacteristic: any, platform) {
		this.name = device.name;
		this.services = services;
		this.accessory = null,
		this.hapAccessory = hapAccessory;
		this.hapService = hapService;
		this.hapCharacteristic = hapCharacteristic;
		this.platform = platform;
	}

  	initAccessory() {
		this.accessory.getService(this.hapService.AccessoryInformation)
						.setCharacteristic(this.hapCharacteristic.Manufacturer, "IlCato")
						.setCharacteristic(this.hapCharacteristic.Model, "HomeCenterBridgedAccessory")
						.setCharacteristic(this.hapCharacteristic.SerialNumber, "<unknown>");
  	}

  	removeNoMoreExistingServices() {
		for (let t = 0; t < this.accessory.services.length; t++) {
			let found = false;
			for (let s = 0; s < this.services.length; s++) {
				// TODO: check why test for undefined
				if (this.accessory.services[t].displayName == undefined || this.services[s].controlService.displayName == this.accessory.services[t].displayName) {
					found = true;
					break;	  		
				}
			}
			if (!found) {
				this.accessory.removeService(this.accessory	.services[t]);
			}
		}    
  	}

	addNewServices(platform) {
		for (let s = 0; s < this.services.length; s++) {
			let service = this.services[s];
			let serviceExists = this.accessory.getService(service.controlService.displayName);
			if (!serviceExists) {
				this.accessory.addService(service.controlService);
				for (let i = 0; i < service.characteristics.length; i++) {
					let characteristic = service.controlService.getCharacteristic(service.characteristics[i]);
					characteristic.props.needsBinding = true;
					if (characteristic.UUID == (new this.hapCharacteristic.CurrentAmbientLightLevel()).UUID) {
						characteristic.props.maxValue = 10000;
						characteristic.props.minStep = 1;
						characteristic.props.minValue = 0;
					}
					if (characteristic.UUID == (new this.hapCharacteristic.CurrentTemperature()).UUID) {
						characteristic.props.minValue = -50;
					}
					platform.bindCharacteristicEvents(characteristic, service.controlService);
				}
			}
		}
	}
	
	registerUpdateAccessory(isNewAccessory, api) {
		if (isNewAccessory)
			api.registerPlatformAccessories(pluginName, platformName, [this.accessory]);
		else
			api.updatePlatformAccessories([this.accessory]);
		this.accessory.reviewed = true; // Mark accessory as reviewed in order to remove the not reviewed ones
	}

    setAccessory(accessory) {
		this.accessory = accessory;
  	}

  	static createBlynkAccessory(device, hapAccessory, hapService, hapCharacteristic, platform) {
		let controlService, controlCharacteristics;
  		switch(device.widget) {
  			case "Switch":
                controlService = new hapService.Switch(device.caption);
                controlCharacteristics = [hapCharacteristic.On];
				break;
            case "ContactSensor":
                controlService = new hapService.ContactSensor(device.caption);
                controlCharacteristics = [hapCharacteristic.ContactSensorState];
				break;
 			case "TemperatureSensor":
				controlService = new hapService.TemperatureSensor(device.caption);
                controlCharacteristics = [hapCharacteristic.CurrentTemperature];
				break;
            case "HumiditySensor":
                controlService = new hapService.HumiditySensor(device.caption);
                controlCharacteristics = [hapCharacteristic.CurrentRelativeHumidity];
                break;
            case "MotionSensor":
                controlService = new hapService.MotionSensor(device.caption);
                controlCharacteristics = [hapCharacteristic.MotionDetected];
                break;
            case "SmokeSensor":
                controlService = new hapService.SmokeSensor(device.caption);
                controlCharacteristics = [hapCharacteristic.SmokeDetected];
                break;
            case "LightSensor":
                controlService = new hapService.LightSensor(device.caption);
                controlCharacteristics = [hapCharacteristic.CurrentAmbientLightLevel];
                break;
            default:
                return undefined;
        }
        controlService.subtype = device.name + "-" + device.widget + "-" + device.pin;
        if (device.mode != undefined)
            controlService.subtype = controlService.subtype + "-" + device.mode;
		let bs = [new BlynkService(controlService, controlCharacteristics)];
  		return new BlynkAccessory(device, bs, hapAccessory, hapService, hapCharacteristic, platform);
  	}
}