#!/usr/bin/env node

var net = require('net');
var fs = require('fs');
var pconfig = require('./weatherstation/bmp085-pressure');
var w1config = require('./weatherstation/w1-temperature');
var cosmconfig = require('./weatherstation/cosm');

var temperature = 20;
var pressure = 1020;
var w1temperature = 20;

var tempArray = {0: temperature, 1: temperature, 2: temperature};
var pressureArray = {0: pressure, 1: pressure, 2: pressure};
var w1tempArray = {0: w1temperature, 1: w1temperature, 2: w1temperature};

var pscale = pconfig.pressureConfig.scale;
var pfileData = pconfig.pressureConfig.file;

var tscale = pconfig.tempConfig.scale;
var tfileData = pconfig.tempConfig.file;

var w1tscale = w1config.w1tempConfig.scale;
var w1tfileData = w1config.w1tempConfig.file;

var n = 0;

try {
    fs.writeFileSync('/sys/class/i2c-adapter/i2c-3/new_device', 'bmp085 0x77', encoding = 'ascii');
}
catch (ex) {
	console.log('bmp085 driver load failed.');
}

function readWeather(n) {
    pressureArray[n] = fs.readFileSync(pfileData) / pscale;
    tempArray[n] = fs.readFileSync(tfileData) / tscale;
    w1data = fs.readFileSync(w1tfileData);
        w1data = '' + w1data;
        w1Breakdown = w1data.split("\n");
        w1tempArray[n] = w1Breakdown[1].split("t=")[1] / w1tscale;
    console.log(n + ': ' + pressureArray[n] + ' ' + tempArray[n] + ' ' + w1tempArray[n]);

    n++;
    if(n>2)
        return
    setTimeout(function() { readWeather(n); }, 3000);
}

readWeather(n)

// Average the 3 readings and round to 1 decimal
temperature = Math.round((tempArray[0] + tempArray[1] + tempArray[2])/0.3)/10;
pressure = Math.round((pressureArray[0] + pressureArray[1] + pressureArray[2])/0.3)/10;
w1temperature = Math.round((w1tempArray[0] + w1tempArray[1] + w1tempArray[2])/0.3)/10;

console.log(pressure + ' ' + temperature + ' ' + w1temperature);