app.js

const fs = require("fs");
const { keep_alive } = require("./keep_alive.js");
const login = require("fca-unofficial");

//Tangina mo 

login({ appState: JSON.parse(fs.readFileSync('appstate.json', 'utf8')) }, (err, api) => {
    if (err) return console.error(err);
    api.setOptions({ listenEvents: true });
    const listenEmitter = api.listen(async (err, event) => {
        if (err) return console.error(err);
        switch (event.type) { 
        
            case "message":
            if (event.body != null) {
               let message = event.body;
               
               
if(message == "Hello") {
	api.sendMessage("Hi", event.threadID);
} 
if(message == "Hi") {
	api.sendMessage("Hello", event.threadID);
}          
               
    }   
  }   
 });
});