const express = require("express");
const cors = require("cors");
const mongoose = require("mongoose");
const mongoDB = "mongodb://127.0.0.1/chillroom-database";
const dbSchema = require("./dbScheme");
mongoose.connect(
  mongoDB,
  { useNewUrlParser: true }
);
const app = express();
app.use(cors());
app.options("*", cors());
const port = 3000;

const save_data = async ip => {
  try {
    const value_data = await getScript(ip);
    const data = JSON.parse(value_data);
    const item = new dbSchema({
      ip,
      name: data.Sensors[0].TaskName,
      status: data.Sensors[0].Switch
    });
    await item.save();
  } catch (error) {
    console.log("ERROR z CATCHA => " + error);
    const item = new dbSchema({
      ip,
      status: "Urządzenie przestało działać - prawdopodobnie brak zasilania"
    });
    item
      .save()
      .then()
      .catch();
  }
};

let interval = setInterval(() => {
  save_data("192.168.8.107");
}, 5000);

const getScript = url => {
  return new Promise((resolve, reject) => {
    const http = require("http");

    let client = http;

    url = "http://" + url + "/json";

    console.log("DATA URL => " + url);

    client
      .get(url, resp => {
        let data = "";

        // Dane zostały pobrane
        resp.on("data", chunk => {
          data += chunk;
        });

        // Cały response pobrany i print
        resp.on("end", () => {
          resolve(data);
          console.log(data);
        });
      })
      .on("error", err => {
        reject(err);
      });
  });
};

app.get("/chillroom-server", (req, res) => {
  (async url => {
    res.json(await getScript(url));
  })(req.query.ip);
});

app.get("/stop", (req, res) => {
  clearInterval(interval);
  interval = null;
  res.json({ message: "Przestalem dzialac :<" });
});

app.get("/start", (req, res) => {
  if (interval === null) {
    interval = setInterval(() => {
      save_data("192.168.8.107");
    }, 5000);

    res.json({ message: "Zaczalem dzialac :>" });
  } else {
    res.json({ message: "Dzialam i nie mozna mnie rozpoczac raz jeszcze :p" });
  }
});

app.get("/all", async (req, res) => {
  const items = await dbSchema.find({});
  res.json(items);
});

app.listen(port, () =>
  console.log(`Chillroom server nasluchuje na porcie ${port}!`)
);