frontend-avond-javascript-oefeningen/conditionals.js

let engineIndicatorLight = "red blinking";
let spaceSuitsOn = true;
let shuttleCabinReady = true;
let crewStatus = spaceSuitsOn && shuttleCabinReady;
let computerStatusCode = 200;
let shuttleSpeed = 15_000;
let fuelLevel = 20_000;
let engineTemperature = 2500;

if (crewStatus) {
	console.log('Crew Ready');
} else {
	console.log('Crew Not Ready');
}

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

if (shuttleSpeed > 17_500) {
	console.log('ALERT: Escape velocity reached!');
} else if (shuttleSpeed < 8000) {
	console.log('ALERT: Cannot maintain orbit!');
} else {
	console.log('Stable speed');
}

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 > 20_000 && engineTemperature <= 2500) {
	console.log('Full tank. Engines good.');
} else if (fuelLevel > 10_000 && engineTemperature <= 2500) {
	console.log('Fuel level above 50%. Engines good.');
} else if (fuelLevel > 5000 && engineTemperature <= 2500) {
	console.log('Fuel level above 25%. Engines good.');
} else {
	console.log('Fuel and engine status pending...');
}