const express = require("express");

const app = express();
const PORT = 3030;
app.use(express.json());
const measurements = [ ]; //empty array
const sensors = [
	{
		id: 'htu21d-01',
		model: 'HTU21D',
		quantities: ['temperature', 'humidity'], 
	},

	{
		id: 'htu21d-02',
		model: 'HTU21D',
		quantities: ['temperature', 'humidity'], 
	}
]

app.use(express.json());

app.get("/", (req, res) => {
  res.send("Sensor Logger API is running");
});
//status
app.get('/sensor_logger_API/status',(req, res) => {
	res.json({ status: "online", application: 'sensor-api'});
});


app.get('/sensor_logger_API/info',(req, res) => {
	res.json({ version: "v1.0"});
});


app.get('/sensor_logger_API/sensors',(req, res) => {
	res.json(sensors);
});

app.get('/sensor_logger_API/sensors/:id',(req, res) => {
	const sensor = sensor.find(
		(item) => item.id === req.params.id
	);
	//if sensor not found
	if (!sensor){
		return res.status(404).json({
			error: 'sensor not found'
		});
	}
	res.json(sensor);
});

app.post('/sensor_logger_API/measurements', (req, res) => {
	//require json structure
	
	//recieve the measurement
	const measurement = req.body;
	//verify typo of object
	
	//vcalidate submitted fields id
	
	//verify type of object
	
	//validate submitted fields
	
	//store in memory}
	measurements.push(measurement);
	//show it in terminal
	console.log('Recieved:',measurement);
	//confirm status and storing
	res.status(201).json(measurement);
}

);

app.get('/sensor_logger_API/measurements', (req, res) => {
	res.json(measurements);
});

app.listen(PORT, () => {
  console.log(`Server listening on port ${PORT}`);
});