import { PlatformConfig } from 'homebridge'

import { domoticaPlatform } from './platform'

const request = require("request")
const http = require('http')
const url = require('url')

export class httpServer {
	private address
	private port

	constructor(
		private readonly platform: domoticaPlatform,
		private readonly config: PlatformConfig
	) {
		this.address = "0.0.0.0"
		this.port = 8080
	}

	serverCallback (request, response) {
		var urlObject = url.parse(request.url, true)
		var urlQuery = urlObject.query
		var body: Uint8Array[] = []
		var log = this.platform.log

		request.on('error', (err) => {
			log.debug("[ERROR Homebridge Domotica HttpServer] Reason: %s.", err)
		}).on('data', (chunk) => {
			body.push(chunk)
		}).on('end', () => {
			var bodyString = Buffer.concat(body).toString()

			response.on('error', function(err) {
				log.debug("[ERROR Homebridge Domotica HttpServer] Reason: %s.", err)
			})

			response.statusCode = 200
			response.setHeader('Content-Type', 'application/json')

			if (!urlQuery.type || !urlQuery.typeId) {
				response.statusCode = 404
				response.setHeader("Content-Type", "text/plain")
				var errorText = "[ERROR Homebridge Domotica HttpServer] Type or TypeId missing in request."
				response.write(errorText)
				response.end()
			} else {
				var type = urlQuery.type
				var typeId = urlQuery.typeId

				if (type != "PowerSocket" && type != "PowerSwitch" && type != "Xiaomi" && type != "Camera") {
					log.debug(request.url)
				}

				if (type == "Xiaomi") {
					type = urlQuery.model
					if (type == "TemperatureHumiditySensor") {
						type = "EnvironmentSensor"
					}
				}

				var foundAccessory

				for (const accessory of this.platform.accessories) {
					if (accessory.type == type && accessory.typeId == typeId) {
						foundAccessory = accessory
						break
					}
				}

				if (foundAccessory) {
					for (const key of Object.keys(urlQuery)) {
						if (key != "type" && key != "typeId") {
							foundAccessory.setValue(key, urlQuery[key])
						}
					}

					var responseBody = { "success" : true };

					response.write(JSON.stringify(responseBody))
					response.end()
				} else {
					response.setHeader("Content-Type", "text/plain")
					errorText = "[ERROR Homebridge Domotica HttpServer] " + type + " " + typeId + " not found."
					if (type != "PowerSocket") {
						log.debug(errorText + '(' + request.url + ')')
					}
					response.write(errorText)
					response.end()
				}
			}
		})
	}

	start() {
		http.createServer(this.serverCallback.bind(this)).listen(this.port, this.address)
	}
}