jsbootcamp/exercise_2.js

'use strict'
let spaceSuitsOn = true;
let shuttleCabinReady = true;
let crewStatus = spaceSuitsOn && shuttleCabinReady;
let computerStatusCode = 200;
let shuttleSpeed = 15000;

if (crewStatus) {
	console.log(`Crew ready`);
} else {
	console.log(`Crew not ready`);
}

if (computerStatusCode === 200) {
	console.log(`Computer is rebooting`);
} else if (computerStatusCode === 400) {
	console.log(`Succes! Computer online.`);
} else {
	console.log(`ALERT: Computer offline`);
}

if (shuttleSpeed > 17500) {
	console.log(`ALERT: Escape velocity reached!`);
} else if (shuttleSpeed < 8000) {
	console.log(`ALERT: Cannot maintain orbit!`);
} else {
	console.log(`Stable speed.`);
}

let fuelLevel = 12000;
let engineTemperature = 2000;
let engineIndicatorLight = !'red blinking';

if ((fuelLevel < 1000) || (engineTemperature > 3500) || (engineIndicatorLight === 'red blinking')) {
	console.log(`ENGINE FAILURE IMMINENT`);
} else if ((fuelLevel <= 5000) && (engineTemperature > 2500)) {
	console.log(`Check fuel level. Engines running hot.`);
} else if (fuelLevel > 20000 && engineTemperature <= 2500) {
	console.log(`Full tank. Engines good.`);
} else if (fuelLevel > 10000 && engineTemperature <= 2500) {
	console.log(`Fuel level above 50%. Engines good.`);
} else if (fuelLevel > 5000 && engineTemperature <= 2500) {
	console.log(`Fuel levl above 25%. Engines good.`);
} else {
	console.log(`Fuel and engine status pending...`);
}

/*
let message = '';

if (fuelLevel > 20000) {
	message = message + 'Full tank';
} else if (fuelLevel > 10000) {
	message = message + 'Fuel level above 50%';
}

if (engineTemperature < 2500) {
	message = message + ' engines good';
}

if ((fuelLevel < 1000) || (engineTemperature > 3500) || (engineIndicatorLight === 'red blinking')) {
	message = `ENGINE FAILURE IMMINENT!`;
}

console.log(message)
*/