var wifi = require("Wifi");
var http = require('http');
var dht = require('DHT11').connect(NodeMCU.D4);
var dhtVysledek = {"temp" : null, "rh" : null};

E.on('init', function() {
  var on = 1;
  var blinkInterval = 50;

  function blink() {
    digitalWrite(2, !(on=!on));
    setTimeout(blink, blinkInterval);
  }
  setTimeout(blink, blinkInterval);

  setInterval(function() {dht.read(function(vysledek) {dhtVysledek = vysledek;} ); }, 10000);

  function doAction(action, params, finishCallback) {
    var res = {};

    if (action == "uptime") {
      res.status = 200;
      res.seconds = Math.round((new Date()).getTime() / 100) / 10;

      finishCallback(res);
    }else if (action == "setBlinkInterval") {
      res.status = 200;
      blinkInterval = params.interval;

      finishCallback(res);
    }else if (action == "zapniRele") {
      res.status = 200;
      if (params.cislo == 1) {
        digitalWrite(NodeMCU.D1, 1);
      // }else if (params.cislo == 2) {
      //  digitalWrite(NodeMCU.D8, 1);
      // }else if (params.cislo == 3) {
      //  digitalWrite(NodeMCU.D9, 1);
      // }else if (params.cislo == 4) {
      //  digitalWrite(NodeMCU.D7, 1);
      }

      finishCallback(res);
    }else if (action == "vypniRele") {
      res.status = 200;
      if (params.cislo == 1) {
        digitalWrite(NodeMCU.D1, 0);
      // }else if (params.cislo == 2) {
      //  digitalWrite(NodeMCU.D8, 0);
      // }else if (params.cislo == 3) {
      //  digitalWrite(NodeMCU.D9, 0);
      // }else if (params.cislo == 4) {
      //  digitalWrite(NodeMCU.D7, 0);
      }

      finishCallback(res);
    }else if (action == "jakaJeTeplota") {
        res.status = 200;
        res.teplota = dhtVysledek.temp;
        res.vlhkost = dhtVysledek.rh;

        finishCallback(res);
      }
   }



  function startHttpServer() {
    http.createServer(function(request, response) {
      console.log("New http request");
      request.on('data',function(data) {
        console.log("Request data:" + data);
        jsonRequest = JSON.parse(data);
        response.writeHead(200, {'Content-Type': 'application/json'});

        doAction(jsonRequest.method, jsonRequest.params[0], function(res) {
          response.write(JSON.stringify({
            "id" : jsonRequest.id,
            "result" : res
          }));

          response.end();
        });

      });
    }).listen(80);
  }

  function mqttConnect() {
    var server = "192.168.1.20"; // the ip of your MQTT broker
    var options = { // all optional - the defaults are below
      client_id : "random", // the client ID sent to MQTT - it's a good idea to define your own static one based on `getSerial()`
      keep_alive: 60, // keep alive time in seconds
      port: 1883, // port number
      clean_session: true,
      username: "username", // default is undefined
      password: "password",  // default is undefined
      protocol_name: "MQTT", // or MQIsdp, etc..
      protocol_level: 4, // protocol level
    };
    var mqtt = require("MQTT").create(server, options /*optional*/);

    mqtt.on('connected', function() {
      console.log('MQTT pripojeno');
      pinMode(NodeMCU.D5, "input_pullup");
      setWatch(function(e) {
        console.log("Button pressed");
        mqtt.publish("srackomet", "zapnuto cerpadlo");
        }, NodeMCU.D5, { repeat: false }
      );
    });

    mqtt.connect();
  }

  wifi.connect("ZyXEL", {password:"tajneheslo"}, function(err){
    console.log("connected? err=", err, "info=", wifi.getIP());
    blinkInterval = 500;
    startHttpServer();
    mqttConnect();
  });
});