Uses the https://watchman.online WIFI Thermometer

Thermometer MenuBar Display

//
//  AppDelegate.swift
//  watchman_temp
//
//  Created by Dustin Zeisler on 11/7/18.
//  Copyright © 2018 Dustin Zeisler. All rights reserved.
//

import Cocoa

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
    
    let statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
    
    func applicationDidFinishLaunching(_ aNotification: Notification) {
    
        self.callWatchMan()
        self.constructMenu()
        _ = Timer.scheduledTimer(timeInterval: 10, target: self, selector: #selector(callWatchMan), userInfo: nil, repeats: true)
    }
    
    var ipAddress = "192.168.1.163"
    var productId = "059c40102418"
    
    @objc func callWatchMan() {
        if let button = statusItem.button {
            
            let urlString = "http://\(self.ipAddress)/\(self.productId)&Stats"
            let url = URL(string: urlString)!
            print(url)
            let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
                guard let data = data else { return }
                let string = String(data: data, encoding: .utf8)!
    
                DispatchQueue.main.async { // Make sure you're on the main thread here
                    button.title = self.parseTemp(input: string) + " " + self.parseHum(input: string)
                }
            }
            task.resume()
            
        }
    }
    
    func constructMenu() {
        let menu = NSMenu()
    
        menu.addItem(NSMenuItem(title: "Product ID: \(self.productId)", action:  #selector(callWatchMan), keyEquivalent: "I"))
        menu.addItem(NSMenuItem(title: "IP Address: \(self.ipAddress)", action:  #selector(callWatchMan), keyEquivalent: "P"))
        menu.addItem(NSMenuItem.separator())
        menu.addItem(NSMenuItem(title: "Quit WatchMan", action: #selector(NSApplication.terminate(_:)), keyEquivalent: "q"))
        
        statusItem.menu = menu
    }
    
    func parseTemp(input: String) -> String {
        let matches = self.matches(for: "Temp:(\\d{2}\\.?\\d{0,2})", in: input)
        var returnValue = "?"
        if matches.count == 1 {
            returnValue = matches[0]
        }
        return returnValue.replacingOccurrences(of: "Temp:", with: "") + "°F"
    }
    
    func parseHum(input: String) -> String {
        let matches = self.matches(for: "Humi:(\\d{2}\\.?\\d{0,2})%", in: input)
        var returnValue = "?"
        if matches.count == 1 {
            returnValue = matches[0]
        }
        return returnValue.replacingOccurrences(of: "Humi:", with: "") + "H"
    }
    
    func matches(for regex: String, in text: String) -> [String] {
        do {
            let regex = try NSRegularExpression(pattern: regex)
            let nsString = text as NSString
            let results = regex.matches(in: text, range: NSRange(location: 0, length: nsString.length))
            
            return results.map {
                return nsString.substring(with: $0.range)
            }
        } catch let error {
            print("invalid regex: \(error.localizedDescription)")
            return []
        }
    }
    
    func applicationWillTerminate(_ aNotification: Notification) {
        // Insert code here to tear down your application
    }
}