grow/src/server.ts

import HttpServer from './http';
import IO, { ISensors } from './io';
import VideoSocket from './ws';
import * as programs from './programs.json'

const HTTP_PORT = process.env.HTTP_PORT ? parseInt(process.env.HTTP_PORT, 10) : 8080;
const WS_PORT = process.env.WS_PORT ? parseInt(process.env.WS_PORT, 10) : 3003;
const STATIC_ROOT = process.cwd() + "/dist/static";
const TV_DEV_0 = process.env.TV_DEV_0 ?? '/dev/video0'
const GPIO_LIGHTS = parseInt(process.env.GPIO_LIGHTS) ?? 17;
const GPIO_HEAT = parseInt(process.env.GPIO_HEAT)  ?? 22;
const START_HOUR = parseInt(process.env.START_HOUR) ?? 8;

interface IProgram {
    name:string,
    daylightHours: number,
    soilMoisture: number
}

const io = new IO();
const getSensors: () => ISensors = io.getSensors.bind(io);

const test = (device: string) => {
    const gpio = device == "lights" ? GPIO_LIGHTS : device == "heat" ? GPIO_HEAT : NaN
    if (!isNaN(gpio)) {
        const state = io[device];
        io.setPower(!state, gpio)
        setTimeout(() => {
            io.setPower(state, gpio)
        }, 4000)
    }

}

const runProgram =  async (ID = 0) =>{
    let state = false;
    const program: IProgram = programs[ID];
    const {daylightHours, soilMoisture} = program;
    const now = new Date();
    const startTime = new Date();
    startTime.setHours(START_HOUR, 0, 0, 0); 
    const endTime = new Date(startTime.getTime());
    endTime.setHours(startTime.getHours() + daylightHours);
    if(now >= startTime && now <= endTime){
        state = true;
    }
    io.setPower(state,GPIO_LIGHTS);
    io.setPower(state,GPIO_HEAT);
}
runProgram();

const httpServer = new HttpServer(HTTP_PORT, STATIC_ROOT, test);
const videoSocket = new VideoSocket(WS_PORT, TV_DEV_0, getSensors);

httpServer.start();


process.stdin.setEncoding("utf8");
process.stdin.resume();

console.log("Menu:\n1)Lights Power off\n2) Lights Power on\n3)Heat Power Off\n4) Heat power on\n5)Read Sensors");

process.stdin.on("data", async (data: string) => {
    const input = data.trim();
    console.log(`Received: "${input}"`);
    const val = parseInt(input);
    switch (val) {
        case 0:

            break;
        case 1:
            io.setPower(false, GPIO_LIGHTS);
            break;
        case 2:
            io.setPower(true, GPIO_LIGHTS);
            break;
        case 3:
            io.setPower(false, GPIO_HEAT);
            break;
        case 4:
            io.setPower(true, GPIO_HEAT);
            break;
        case 5:
            console.log(getSensors())
            break;
        default:
            console.log("No option for " + input)
    }
});